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Tui Mine Monitoring Report2015 – Water Quality Monitoring (After Rehabilitation of Tui Mine)

Waikato Regional Council

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A02277814R001.DOCX

PATTLE DELAMORE PARTNERS LTD PDP House, Level 4 235 Broadway, Newmarket, Auckland 1023 PO Box 9528, Auckland 1149, New Zealand

Tel +64 9 523 6900 Fax +64 9 523 6901 Website http://www.pdp.co.nz Auckland Tauranga Wellington Christchurch

Tui Mine Monitoring Report 2015 – Water Quality Monitoring (After Rehabilitation of Tui Mine)

• Prepared for

Waikato Regional Council

• May 2016

http://www.pdp.co.nz/

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W A I K A T O R E G I O N A L C O U N C I L - T U I M I N E M O N I T O R I N G R E P O R T 2 0 1 5 – W A T E R Q U A L I T Y M O N I T O R I N G ( A F T E R R E H A B I L I T A T I O N O F T U I M I N E )

A02277814R001.docx P A T T L E D E L A M O R E P A R T N E R S L T D

Executive Summary

Waikato Regional Council (WRC) has commissioned Pattle Delamore Partners Ltd (PDP) to undertake water resource monitoring in the Tui and Tunakohoia Streams, which are located in the vicinity of the disused Tui Mine, Mt Te Aroha (see Figure 1). The monitoring is associated with the remedial works carried out at the mine site to improve stream water quality.

Water quality monitoring of the Tunakohoia Streams (north and south branch) has been carried out three times per year (September, October and November) from 2011 to 2015 following the completion of phase 1 remediation works of the Tui Mine site. Water quality monitoring has been undertaken of the Tui Stream concurrently with monitoring of the Tunakohoia Streams from 2013 to 2015 following the completion of phase 2 remediation works of the Tui Tailing dam site.

In order to assess any changes in the water quality, the laboratory results were compared to the results reported in previous monitoring results and statistical analysis has been undertaken to determine if there has been a statistically significant difference in water quality post remediation compared to the baseline monitoring results (PDP, 2010). Also, the results were assessed against ANZECC (2000) Contact Recreational Standards for recreational use of the water resources.

In the Tunakohoia catchment, there has been a decrease in the post remediation concentrations and mass load of cadmium, copper, lead and zinc from adit 5 (SW5) compared to the baseline levels (PDP, 2010). Statistical analysis of the water quality data collected from SW3 (adit 4) indicates there may have been a slight increase in the alkalinity of the water as well as an increase in the concentration of calcium and magnesium being discharged from this site. A slight increase in the concentration of cadmium, copper and lead was also detected from adit 4. However, changes in the concentration of cadmium, copper and lead were less than one order of magnitude and may be due to some of the mine water which was previously discharged via adit 5 (SW5) is now being discharged from adit 4 (SW3).

When the mass flux of elements from SW3 and SW5 have been summed together there has been a significant reduction in the combined mass flux of cadmium, copper, lead and zinc into the north branch of the Tunakohoia Stream.

There has been no significant change in water quality at SW101 (North branch of the Tunakohoia Stream upstream of the discharges from SW3 and SW5 after the remediation of the Tui Mine). The concentration of a number of elements, particular cadmium, lead, nickel and zinc remain elevated particularly when compared to the concentration of these elements measured in the south branch of the Tunakohoia Stream.

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At SW100 (downstream of the mine adits and SW101 on the Tunakohoia Stream) the concentrations of dissolved and total zinc are significantly lower than those reported in the baseline monitoring report (PDP, 2010). Statistical analysis of the data indicates that the concentration of cadmium and copper has also decreased after the remediation of the Tui Mine site.

There has been a significant decrease in the concentrations and mass flux of metals (cadmium, copper, lead, manganese and zinc) observed at SW15 on the tailings dam tributary which discharges to the Tunakohoia Stream.

Downstream of SW15, SW100 and SW101, at SW7 (north branch of the Tunakohoia Stream), water quality has improved after the remediation of the Tui mine site and the Tui tailings dam (SW15). Statistical analysis indicates that the concentrations of dissolved and total cadmium, copper, lead, zinc and total recoverable iron have decreased since 2013 and the water quality at this site is improving.

Monitoring undertaken on the Tui Catchment has shown that dissolved and total fractions for a number of key metals (aluminium, cadmium, chromium, copper, lead, manganese and zinc) were below or at the lower end of the range of results reported in the PDP (2010) baseline monitoring report.

There has been a significant improvement in the water quality at SW13 and the water quality at this monitoring site meets ANZECC (2000) Contact Recreational Standards for all parameters monitored.

There has been a significant decrease in the concentration and mass flux of cadmium, copper and zinc being discharged into the Tui Streams from the Tui tailings dam compared to baseline (pre-remediation) monitoring results at SW11.

Ecological monitoring undertaken the Tunakohoia Stream (SW7) in 2013 and 2015 has seen a significant improvement in benthic ecological communities compared to levels observed in 2009. However, the improvement in benthic macro-invertebrate communities observed at SW7 has not been as dramatic as the improvement observed on the Tui Stream (SW13). Water quality monitoring at SW7 shows that the concentrations of dissolved and total cadmium, lead and zinc are over an order of magnitude higher than those measured at SW13 and SW8 (south branch of the Tunakohoia Stream).

Overall, there has been an improvement in the water quality at many of the monitoring sites since the remediation of the Tui Mine. This has also been reflected in the dramatic recovery of benthic macro-invertebrate communities downstream of the Tui tailings dam and the Tui mine site given the complete absence of resident benthic macro-invertebrate communities before remediation was undertaken. However, water quality monitoring still shows elevated concentrations (compared to the water quality measured at South Branch of the Tunakohoia Stream (SW8)) of a number of elements, particularly cadmium, lead and zinc at SW7 on the Tunakohoia stream.

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Table of Contents

S E C T I O N P A G E

Executive Summary ii

1.0 Introduction 1 1.1 Aim of the Environmental Monitoring Programme 1 1.2 Tui Mine Remediation Project 2

2.0 Sampling Methodology 2 2.1 Field Sampling Locations 2 2.2 Sampling Order 4 2.3 Sampling Techniques 4 2.4 Field Measurements 4 2.5 Flow Monitoring Procedures 5

3.0 Quality Assurance/Quality Control 5

4.0 Field Monitoring Results 6

5.0 Comparison of Results against ANZECC Guidelines 11

6.0 Statistical Analysis of the Data 12 6.1 Methodology 12 6.2 Tui Mine and Tailing Dam Discharges into Tunakohoia Stream 13 6.3 Tunakohoia Stream 17 6.4 Tui Stream 23 6.5 Summary of Statistical Analysis of Water Quality Data 26

7.0 Flow Monitoring Results 26

8.0 Assessment of the Mass Flux of Contaminants at Each of the Monitoring Locations 28

8.1 Statistical Analysis of Changes in Mass Flux Before and After Remediation 32 8.2 Summary of Results 41

9.0 Results of the Ecological Monitoring Programme 41

10.0 Effectiveness of Reducing Acid Rock Drainage 42 10.1 Tui Mine (SW3 and SW5) 43

11.0 Conclusion 44 11.1 Tui Tailings Dam Discharges (SW11 and SW15) 45 11.2 Tui Stream 46 11.3 Tunakohoia Stream 47

12.0 References 48

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Table of Tables

Table 1: Water Quality Monitoring Sites and Parameters for 2009 to 2015 3

Table 2: Stream Flow Monitoring Methodology 5

Table 3: Summary of Statistical Analysis of Changes in Concentration Pre and Post Remediation for SW3 13






Table 9: Summary of Statistical Analysis of Mass Flux for SW3 33


Table 11: Summary of Statistical Analysis of Mass Flux for SW3 and SW5 combined 36



Appendices

Appendix A: Figure

Appendix B: Tables

Appendix C: Fluxes

Appendix D: Quality Assurance/Quality Control

Appendix E: Laboratory Results

Appendix F: Statistical Analysis (Water Quality)

Appendix G: Statistical Analysis (Mass Flux)

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W A I K A T O R E G I O N A L C O U N C I L - W A I K A T O R E G I O N A L C O U N C I L - T U I M I N E M O N I T O R I N G R E P O R T 2 0 1 5 – W A T E R Q U A L I T Y M O N I T O R I N G ( A F T E R R E H A B I L I T A T I O N O F T U I M I N E )


1.0 Introduction

Waikato Regional Council (WRC) has commissioned Pattle Delamore Partners Ltd (PDP) to undertake water resource monitoring in the Tui and Tunakohoia Streams in the vicinity of the disused Tui Mine, Mt Te Aroha (Figure 1). Between 2011 and 2015 PDP undertook three rounds of water quality sampling each year (in September, October and November) in the Tunakohoia Stream. Between 2013 and 2015, PDP has also been undertaking three rounds of water quality sampling each year (in September, October and November) in the Tui Stream.

The work undertaken by PDP included:

• The collection, analysis and interpretation of water quality samples over the three monitoring rounds; and

• The measurements of stream flow at each of the water quality sample locations during each of the three monitoring rounds.

The monitoring methodology used by PDP during this monitoring period was the same as that used by PDP during previous monitoring rounds at the site including the baseline monitoring undertaken in 2009 (PDP, 2010), prior to the remediation of the Tui Mine and tailings dam.

At the request of the WRC, an additional monitoring round was undertaken in December 2015 on the Tunakohoia Stream monitoring sites to evaluate the effectiveness of a series of limed settling ponds installed by URS. These ponds were designed to further reduce the mass discharge of contaminants from the level 5 adit (SW5) of the Tui Mine.

This report is the final report under WRC contract RCS 2011/12-49 (the Contract). The report presents the monitoring results from the 2015 monitoring round and summarises the monitoring results of water quality and ecological monitoring programmes from 2011 to 2015.

1.1 Aim of the Environmental Monitoring Programme

The aim of the environmental monitoring programme as stated in the Contract is:

i. To assess whether the habitat, biological and water quality of the Tui and Tunakohoia Streams are improving over time.

ii. To measure the effectiveness of the works in reducing acid rock drainage (ARD).

iii. To measure the changes in concentrations of trace elements including arsenic, cadmium, calcium, copper, iron, lead, manganese, mercury and zinc as required by condition 20 (ii) of resource consent 121042 issued by the Waikato Regional Council.

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1.2 Tui Mine Remediation Project

Waikato Regional Council is managing the remediation of the Tui Mine site on behalf of the Ministry for the Environment and the Tui Mine governance group.

The Tui Mine remediation project aimed to:

• contain the tailings within a stable and secure location;

• reduce the release of contaminants into the Tui and Tunakohoia Streams, thereby improving the water quality in those streams;

• improve the geotechnical stability of the tailings impoundment;

• improve the safety and security of the site;

• improve the visual appearance and aesthetics of the site; and

• address as far as practicable, within the limitations of the project, the impacts of the Tui mine on the taonga of the Te Aroha maunga (Mt Te Aroha) for iwi.

The project has been completed in two phases:

Phase 1 involved preparatory work (detailed design, site establishment, access road) and the addition of lime to the old underground mine workings. The old mine workings discharged contaminated water from mine adits into the Tunakohoia Stream. The adits were partially plugged with engineered concrete bulkheads, and an alkaline solution (lime or cement) was injected into the ground to counter the strongly acidic conditions. The installation of a bulkhead in Champion Level 5 has resulted in a change in the drainage paths in the underground workings (URS, 2014). Now some of the groundwater which was discharged via the Adit 5 during the baseline monitoring period (pre-remediation) is now being discharged via Adit 4 (URS, 2014).

Phase 2 involved remediating the tailings dam area. The initial plan was to contain the tailings in a new dam built to modern standards. Instead, a one-metre cap of clean fill was placed once the ground surface had been reshaped. The surface of the fill cap has been grassed and is designed to stop oxygen and water entering the stabilised tailings in the short term until vegetation cover establishes.

2.0 Sampling Methodology

2.1 Field Sampling Locations

Water quality samples were collected from the baseline monitoring locations on the Tui and Tunakohoia Streams (Figure 1) as outlined in Table 1 below.

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Table 1: Water Quality Monitoring Sites and Parameters for 2009 to 2015

Site Label Site Description Laboratory Parameters

SW3 Adit 4 outlet (discharges to Tunakohoia Stream, north branch).

pH, EC, TSS; metal suite1; Cation Anion Profile; Total dissolved silica

SW5 Adit 5 outlet (discharges to Tunakohoia Stream, north branch).

pH, EC,TSS; Drinking water metal suite1; Cation Anion Profile; Total dissolved silica

SW7 Tunakohoia Stream north branch, upstream of south branch confluence and downstream of tailings dam.

pH, EC, TSS; metal suite1

SW8 Tunakohoia Stream south branch, upstream of north branch confluence, town water supply inlet.

pH, EC, TSS; metal suite1

SW11 Tailings dam tributary, downstream. pH, EC, TSS; Drinking water metal suite1; Total Cyanide

SW13 Tui Stream, downstream of tailings discharge, upstream of ford and culverts.

pH, EC, TSS; Drinking water metal suite1; Total Cyanide

SW15 Tailings dam tributary, diverted through culvert beneath Tui Rd (discharges to Tunakohoia Stream, north branch).

pH, EC, TSS; metal suite1, Total Cyanide

SW100

Tunakohoia Stream north branch, upstream of Mountain Access Road, downstream of SW3 and SW5 discharges. Potentially impacted by seepages from the Tui Mine and from discharges from SW3 and SW5.

pH, EC, TSS; metal suite1; Cation Anion Profile; Total dissolved silica

SW101

Ruakaka Adits Tributary, downstream of the Ruakaka Adits and upstream of Mountain Access Road culverts (discharges to Tunakohoia Stream, north branch). Potentially impacted by seepages from the Tui Mine.

pH, EC,TSS; metal suite1; Cation Anion Profile; Total dissolved silica

Notes: 1. Total and dissolved metals.

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2.2 Sampling Order

Samples were collected in a specific order to minimise the potential for cross contamination from earlier sampling events. Downstream, potentially less contaminated, samples were collected first before upstream, potentially more heavily contaminated, samples. The order of sampling during the three (September, October and November) 2015 monitoring rounds was: SW8, SW7, SW13, SW15, SW11, SW100, SW101, SW5 and SW3. This was the same order of sampling that was undertaken in all monitoring rounds from 2009 and 2013 to 2015. In 2011 and 2012 sites SW11 and SW13 were not monitored and in December 2015 only the sites on the Tunakohoia Stream were sampled (SW3, SW5, SW7, SW8, SW15, SW100 and SW101) at the request of Waikato Regional Council.

2.3 Sampling Techniques

PDP collected water samples during all of the 2015 monitoring events under either low or moderate stream flow conditions, as this allowed the results to be compared to the baseline monitoring round as well as minimising the risk to health and safety of staff working within the water ways.

At each monitoring site, water samples were collected before any field measurements and flow monitoring had been undertaken, to prevent disturbance of sediments which could potentially affect the water quality.

The water samples were collected mid-stream in the main stream flow and care was taken not to disturb any sediment at the bottom of the stream.

Samples were collected and stored in the appropriate sample bottles which had been supplied and certified clean by the analysing laboratory. Each sample bottle was uniquely identified in accordance with PDP chain of custody and sampling labelling procedure.

After collection, the water samples were sent under standard PDP chain of custody documentation to the appropriate laboratories as soon as possible. This was to ensure the laboratories received the samples within the required hold times and to ensure sample integrity was maintained.

2.4 Field Measurements

To measure field parameters, a YSI multi-parameter water quality meter (physicochemical parameters: dissolved oxygen, electrical conductivity, pH, redox potential and temperature) was used. Turbidity was measured using a Hach 2100Q portable turbidity meter.

Prior to each sampling round, the field instrument was calibrated against NIST traceable standards as per the manufacturer’s instructions. This was in accordance with good laboratory practices (GLP) as detailed in USEPA and APHA/

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AWWA/ WEF (2005) “Standard Methods for the Examination of Water and Waste Water” (21st edition). This was done to minimise any sampling variability between the current monitoring round and the sampling undertaken during the baseline monitoring round. Between monitoring locations, the sensor of the meter was rinsed with Type 1 water (deionised water) and the field meter was checked against a manufacturer’s quick-calibration solution (electrical conductivity, pH, redox and turbidity) and/or air saturation readings (dissolved oxygen).

2.5 Flow Monitoring Procedures

Stream flow monitoring was required to establish an estimate of mass contaminant loads from the mine adits and the Tui and Tunakohoia Streams. Where possible, flow was gauged using a SonTek FlowTracker Handheld-ADV® (Acoustic Doppler Velocimeter). The FlowTracker requires water in the stream to be at least 0.05 m deep in order to gauge cross sectional area and flow. Where this was not possible, volumetric flow into a bucket of known volume was used. Table 2 outlines the flow monitoring methodology that was used at each site during the project.

Table 2: Stream Flow Monitoring Methodology

Flow Monitoring Location PDP Method of Flow Monitoring

SW3 Volumetric

SW5 Volumetric (based on area discharge

estimate) since 2011. In 2009 a V-notch weir was used to measure flow.

SW7 Flow gauging

SW8 Flow gauging

SW11 V-Notch weir

SW13 Flow gauging / Volumetric

SW15 Volumetric

SW100 Flow gauging

SW101 Volumetric

3.0 Quality Assurance/Quality Control

Quality assurance and quality control (QA/QC) samples (duplicates, field blanks and trips blanks) were collected as part of each monitoring round. The results of the QA/QC monitoring undertaken as part of this project are presented in Appendix D.

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A split sample of sample SW13 was prepared by Hill Laboratories and sent to Eurofins ELS in Wellington for analysis. Dissolved and total boron, copper, lithium, magnesium and potassium ion concentration were significantly different between the two laboratories (greater than 50% relative percentage difference (RPD)). It should be noted that the analyses of dissolved and total metals within each lab laboratories are consist with each other. Previous interlab comparison samples between the two labs have identified a difference between the two labs on dissolved copper (but not total copper) in 2014 but in 2013 there was no significant difference between the two labs. Historically when interlab analysis has been undertaken for these elements have shown good agreement between the two laboratories and the results reported by Hills Laboratories are similar to historical data from SW13. This suggests that the Eurofins request may be incorrect.

Analysis of duplicate samples of SW13 was undertaken at the same time at Hills Laboratories and Eurofins re-analysed there sample on two different instruments at the control lab. In both cases the laboratories confirm their original analysis. This suggests that external contamination of interlab sample occurred either during sample splitting or the sample bottle used for the interlab sample sent to Eurofins was contaminated.

PDP has been unable to determine the cause of the variability between the two laboratories, however there is no suggestion that a systematic analytical error exists for these elements. Therefore, PDP concludes that the dissolved metals analysis undertaken by Hill Laboratories do meet the project data quality objectives.

All other QA/QC samples met the data quality objectives outlined in Table D-1 in Appendix D.

4.0 Field Monitoring Results

In order to assess the possible effects on water quality of the remedial activities that were undertaken to rehabilitate the mine, the laboratory results for the 2015 monitoring round were compared to the results reported in previous monitoring reports (PDP, 2012, 2013a, 2014 and 2015) and the PDP (2010) baseline monitoring report. See Appendix B for result tables for each monitoring location.

The key findings of the 2015 monitoring rounds of the Tui and Tunakohoia Streams are summarised below on a site by site basis. For the purpose of this assessment, a significant change in contaminant concentration is defined as any increase or decrease in contaminant concentrations that greater than 10-fold, unless otherwise stated.

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SW3 (Adit 4 Discharge)

Post remediation (2015 results compared to 2013-2014 results)

• The concentrations of most key parameters were similar to those reported during the 2013-2014 monitoring rounds.

• Dissolved and total aluminium, cadmium, copper, nickel and zinc concentrations have decreased since the 2011 monitoring round, but are at similar concentrations to those measured in 2014.

Comparison to baseline conditions

• Dissolved and total calcium and magnesium concentrations appear to be slightly higher in the post remediation monitoring results compared to results obtained in the baseline data. The concentration of these two elements is between 2 to 5 times higher than baseline concentrations.

• Dissolved and total aluminium, cadmium, copper, nickel and zinc are higher than those reported in the PDP (2010) baseline monitoring report. This may be due in part to some of the groundwater that was being discharged from adit 5 (SW5) during the baseline monitoring period, is now being discharged via adit 4 (SW3).

SW5 (Adit 5 Outlet)


• During the 2015 monitoring round, the sampling location at SW5 was undertaken from the outflow of the mine adit where previous sampling rounds have collected samples. An additional sample was collected in December from the outlet of the settling ponds.

• Samples collected from the outlet of the settling ponds as part of the December monitoring round had significantly lower concentrations of dissolved arsenic and iron than those measured during the November monitoring round. The hardness of the water being discharged for the settling ponds measured in the December monitoring round was almost half of the concentration measured in the other 2015 monitoring rounds. The pH of the discharge (7.48 pH units) was the highest pH measured at this monitoring location since the site was remediated. The concentration of most other parameters measured during the December monitoring round were between 25% to 60% lower than measured in the November 2015 monitoring round. The concentrations of dissolved and total calcium, iron and nickel are slightly lower than the reported results from the 2014 monitoring round.

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• The concentrations of dissolved and total zinc were lower in the 2015 monitoring rounds than those recorded in any other monitoring round, including those reported in the baseline monitoring report (PDP, 2010).

• The alkalinity and concentrations of dissolved and total arsenic, calcium, iron, magnesium, manganese, and sulphate are elevated above the range of results reported in the PDP (2010) baseline monitoring report, but are similar to those reported in the 2014 monitoring round (PDP, 2014).

• Concentrations of total and dissolved aluminium, antimony, cadmium, copper and lead were lower than the range of results that were reported in the PDP (2010) baseline monitoring report and are similar or lower than those results that were reported during the 2014 monitoring round.

• The pH at this site remains circum-neutral (pH between 6.5 to 7.5 pH units).

SW7 (Tunakohoia Stream North Branch, Downstream of Tailings Dam)


• There has been a slight decrease in both the dissolved and total iron and manganese concentrations in the 2015 monitoring round compared to the reported results from the 2014 monitoring round.

• There has been no significant change in water quality at this site between the December monitoring round and the other monitoring rounds undertaken in 2015.


• The concentrations of dissolved and total iron, manganese and zinc were lower in the 2015 monitoring rounds than those recorded in any other monitoring round, including those reported in the baseline monitoring report (PDP, 2010). This is a continuation of a trend in decreasing iron, manganese and zinc concentration which has been occurring since 2011.

• The concentrations of other dissolved and total metals during the 2015 monitoring rounds were within the range of results reported in the PDP (2010) baseline monitoring report or slightly lower.

SW8 (Tunakohoia Stream South Branch, Town Water Supply Inlet)

• The concentrations of most metals during the 2015 monitoring rounds were generally within the range of results reported in previous monitoring reports including the PDP (2010) baseline monitoring report.

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SW11 (Tailings Dam Tributary, Discharges to Tui Stream)


• Low levels of total mercury were detected at this monitoring site during all monitoring rounds in 2015. Total mercury was first detected at this monitoring location during the 2013 monitoring round, and the 2015 monitoring results are similar to those observed in the 2013 and 2014 monitoring programmes.


• Total and dissolved calcium were elevated above the range of results reported in the PDP (2010) baseline monitoring report, but similar to those reported in the 2013-2014 monitoring rounds.

• Total and dissolved aluminium, chromium, copper, iron, lead, manganese and zinc were all below or at the lower end of the range of results reported in the PDP (2010) baseline monitoring report.

• The concentrations of most other dissolved and total metals during the 2015 monitoring rounds were generally similar to the results reported in the PDP (2010) baseline monitoring report.

• There has been a significant increase in the pH of the discharge from the tailings. Before remediation of the tailings, the pH of the discharge was typically between 3 and 4 pH units (very acidic). After remediation of the tailings the pH monitored at SW 11 was circum-neutral (pH= 6.5 to 7.5 pH units).

SW13 (Tui Stream, Downstream of Tailings Discharge)


• Dissolved and total aluminium concentrations measured during 2015 monitoring rounds where slightly lower than those measured in the 2013 and 2014 monitoring rounds.

• Dissolved and total zinc concentrations in 2015 were at the lower end of the range measured since remediation of the Tui tailings dam has been completed.


• Total and dissolved aluminium, cadmium, copper, iron, lead, manganese, nickel and zinc were all below or at the lower end of the range of results reported in the PDP (2010) baseline monitoring report. The concentration of dissolved and total aluminium, cadmium, copper, iron, lead, manganese and zinc measured during the 2015 monitoring round

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are significantly lower (i.e. more than 10 times lower) than those observed during the 2009 baseline monitoring round (PDP, 2010).

SW15 (Tailings Dam Tributary, Discharges to Tunakohoia Stream, North Branch)


• The concentration of most parameters is similar to those reported in the 2014 monitoring round.


• Concentrations of dissolved and total aluminium, as well as total and dissolved arsenic, copper, iron, lead and zinc were generally lower than the range of results reported in the PDP (2010) baseline monitoring report. The concentrations of most other dissolved and total metals were within the range of results reported in the PDP (2010) baseline monitoring report.

SW100 (Tunakohoia Stream North Branch)


• Concentrations of most parameters measured during the December monitoring round were similar to the concentrations measured in previous 2015 monitoring rounds. There was a slight decrease in the concentration of arsenic, calcium and magnesium measured at this site in the December 2015 monitoring round.

• The concentration of dissolved and total zinc is slightly lower than those reported in 2011 to 2013.


• The concentration of dissolved and total copper detected during 2015 monitoring round is significantly lower than reported for the 2009 baseline monitoring round (PDP, 2010).

• The concentrations of most dissolved and total metals during the 2015 monitoring rounds were generally within the range of results reported in the PDP (2010) baseline monitoring report.

SW101 (Ruakaka Adits Tributary)


• There has no significant change in the concentration of parameters post remediation of the Tui Mine site.

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• The concentration of total aluminium is significantly lower than reported for the 2009 baseline monitoring round (PDP, 2010).

• The concentration of dissolved and total manganese is slightly lower than reported for the 2009 baseline monitoring round (PDP, 2010).

• The concentrations of most metals measured during the 2015 monitoring rounds were within the range of results reported in the PDP (2010) baseline monitoring report.

5.0 Comparison of Results against ANZECC Guidelines

The water quality data was compared to ANZECC (2000) Contact Recreational Standards where applicable. In terms of the remedial goals, these criteria are only of relevance for the sites (SW7, SW8 and SW13) at the base of the slopes of Mt Te Aroha where recreational use is likely. See Appendix B for results.

Note that the ANZECC (2000) Contact Recreational Standards do not state if the results for inorganic parameters should be compared against dissolved or total metal fractions. Since the intention of these guidelines is to protect recreational users against either toxic (via ingestion) and/or irritation to the skin or mucous membranes it is considered appropriate to compare the ANZECC (2000) guideline values to both the dissolved and total fraction.

The comparison of the 2015 monitoring round results at SW7, SW8 and SW13 against the ANZECC (2000) Contact Recreational Standards is summarised below on a site by site basis.


• The concentrations of dissolved and total cadmium were measured to be above the ANZECC (2000) Contact Recreational Standards during all three of the 2015 monitoring rounds, which is consistent with previous monitoring rounds. In previous monitoring rounds dissolved and total manganese exceeded the ANZECC (2000) Contact Recreational Standards. The remaining water quality parameters from this location were below the ANZECC (2000) Contact Recreational Standards.


• No metal concentrations were measured above the ANZECC (2000) Contact Recreational Standards during any of the 2015 monitoring rounds, or in any of the previous sampling rounds.

SW13 (Tui Stream)

• No metal concentrations were measured above the ANZECC (2000) Contact Recreational Standards during any of the 2015 monitoring

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rounds. Before remediation of the Tui Tailings dam, aluminium (total only) and manganese (dissolved and total) at this location exceeded the contact recreational standards.

6.0 Statistical Analysis of the Data

PDP has carried out statistical analysis to determine whether there has been a significant difference in the contaminant concentrations before and after remediation of the Tui Mine and to identify any trends in the data series for each monitoring site. The parameters that were subjected to analysis were pH, alkalinity, concentrations of sulphate, total recoverable iron, dissolved and total recoverable arsenic, cadmium, calcium, copper, lead and zinc.

Copies of the statistical reports and box and whisker plots are attached in Appendix F.

6.1 Methodology

6.1.1 Comparing Before and After Remediation

For each parameter, data for the years 2000 to 2009 were grouped as “before remediation” and data for the years 2013 to 2015 were grouped as “after remediation”. The 2011 and 2012 monitoring data have not be used because there was either continuing remedial works occurring at some of the mine sites or the tailings dam which may have affected the results or no monitoring was undertaken on the Tui Stream catchment. Concentration of elements which were under the detectable limit was excluded from the groups. Furthermore, if for a particular parameter, less than half the number of data points were available for before than after remediation, and vice versa, the parameter was excluded from the statistical analysis.

If the dataset followed a normal distribution with equal variance, it was subjected to a two-tailed t-test (at 95% confidence interval). A two-tailed t-test statistically examines the means of two groups and compares the actual difference between two means in relation to the variation in the data. If the dataset did not follow a normal distribution and/or had an unequal variance, it was subjected to the Mann-Whitney Rank Sum test which is a non-parametric alternative to the t-test used to compare the difference between two independent groups.

Box-and-whisker plots were produced for each parameter and its respective dataset for before and after remediation to give a visual representation of the t-test results and Rank Sum tests. The box-and-whisker plots allow a visual assessment of the two data sets to be made and in particular the plots provide a qualitative assessment of the magnitude of the potential difference between the two datasets. All tests and graphs were completed using the graphing and data analysis software SigmaPlot 11.

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6.1.2 Trend Analysis

To identify trends in contaminant concentrations over time and to see whether the trend is increasing or decreasing, the yearly averages of the parameters for each site were calculated for the years 2000 to 2009 and 2011 to 2015. The dataset was then subjected to a non-parametric Mann-Kendall trend test (adapted from the Remediation and Redevelopment Program – Department of Natural Resources, State of Wisconsin).

The Mann-Kendall trend analysis was also carried out on the individual data points collected after remediation (years 2013, 2014 and 2015) to determine whether there is a decreasing, increasing, or no trend in the contaminant concentrations after remediation. There were three monitoring rounds per year, providing nine data points for each parameter.

6.2 Tui Mine and Tailing Dam Discharges into Tunakohoia Stream

6.2.1 SW3 (Adit 4 Discharge)

The concentrations of total recoverable and dissolved arsenic before and after remediation at this monitoring site were all below the detection limit and therefore a statistical analysis was not carried out.

A summary of the statistical analysis is presented in Table 3 below.

Table 3: Summary of Statistical Analysis of Changes in Concentration Pre and Post Remediation for SW3

Parameter T-tests/Rank Sum tests before

and after remediation

pH No statistically significant difference

Sulphate Statistically significant difference

Alkalinity Statistically significant difference

Arsenic (Dissolved) Data points under the detection limit

Arsenic (Total) Data points under the detection limit

Cadmium (Dissolved) Statistically significant difference

Cadmium (Total) Statistically significant difference

Calcium (Dissolved) Not enough data points before remediation

Calcium (Total) Not enough data points before remediation

Copper (Dissolved) Statistically significant difference

Copper (Total) Statistically significant difference

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Iron (Total) No statistically significant difference

Lead (Dissolved) Statistically significant difference

Lead (Total) Statistically significant difference

Magnesium (Dissolved) Not enough data points before remediation

Magnesium (Total) Not enough data points before remediation

Zinc (Dissolved) Statistically significant difference

Zinc (Total) Statistically significant difference

6.2.1.1 Comparison between baseline and post remediation results

• The t-tests indicated that there was a statistically significant difference in the concentrations of sulphate and dissolved & total cadmium, copper and lead concentrations before and after remediation. Examination of the box-whisker plots indicates that the concentration of these parameters were higher post remediation than were measured in the baseline study.

• There has been a statistically significant increase in the concentration of dissolved and total zinc being discharged from SW3 post remediation.

• The results of the t-tests do not indicate that there was a statistically significant change in the average concentration of pH before and after remediation. However, the Mann-Kendall analysis suggests that there is an increasing trend (at the ≥ 80% confidence level) in pH over the time period 2000 to 2015.

• For concentrations of total recoverable and dissolved calcium and magnesium, t-tests were not carried out as there were only three data points available for the period before remediation as opposed to nine data points after remediation. However, the box-whisker plots indicate that there has been an increase in concentrations after remediation. The Mann-Kendall test on the yearly averages (2000, 2009 and 2011 to 2015) indicate that there is an increasing trend at the ≥ 80% confidence level for calcium, and no trend for magnesium.

• Mann-Kendell analysis did not detect a trend in dissolved and total cadmium, copper or zinc concentrations although statistically significant trends were detected using t-tests or Mann-Whitney Rank Sum tests and

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a difference in the concentrations were observed in the box-whisker plots.

6.2.1.2 Trends in post remediation data

• After remediation (2013, 2014 and 2015), there is an increasing trend at ≥ 80% confidence level for pH, alkalinity, sulphate and concentrations of total recoverable and dissolved calcium. There is no trend for concentrations of total recoverable and dissolved cadmium, copper, zinc and total recoverable iron. There is a decreasing trend at the ≥ 90% confidence level for concentrations of total recoverable and dissolved lead.

6.2.2 SW5 (Adit 5 Outlet)

The concentrations of dissolved and total copper and dissolved lead were excluded from the statistical analysis as although data points were available for before remediation, the concentrations after remediation were all under detection limits.







Alkalinity Statistically significant difference










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• The combined results of the statistical analysis indicate that there is a statistically significant decrease after remediation in pH, with a decreasing trend over the years at the ≥ 80% confidence level. The results also indicate that there is a statistically significant increase after remediation in the concentrations of sulphate and alkalinity.

• The concentrations of dissolved and total cadmium and zinc show a statistically significant difference before and after remediation, and a visual decrease is present on their respective box-whisker plots. The Mann-Kendall tests also indicate that there is a decreasing trend over time in the concentrations at the ≥ 90% confidence level.

• There is a statistically significant difference before and after remediation in the concentrations of total recoverable lead. The respective box-whisker plot also shows that there is a significant decrease in total recoverable lead after remediation.

• There is a statistically significant difference before and after remediation in the concentrations of total recoverable and dissolved arsenic and calcium, total recoverable calcium and iron, and dissolved magnesium. The respective box-whisker plots show an increase after remediation. The Mann-Kendall tests also show that there is an increasing trend over the years at the ≥ 80% confidence level.


• After remediation, there is an increasing trend at the ≥ 90% confidence level for pH. There is a decreasing trend at the ≥ 90% confidence level for concentrations of total recoverable and dissolved cadmium, calcium, magnesium, and zinc, total recoverable iron and dissolved arsenic.

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6.2.3 SW15 (Tailings Dam Tributary, Discharges to Tunakohoia Stream, North Branch)

No t-tests were carried out on pH, concentrations of total recoverable and dissolved cadmium, calcium, copper, lead, magnesium and zinc before and after remediation as there were less than half the data points available before remediation than after remediation. No statistical analysis was undertaken on the total recoverable and dissolved arsenic results as the concentration of arsenic pre and post remediation was below the detection limit.


• Box-whisker plots show that there is an increase in pH and concentrations of total recoverable and dissolved calcium and magnesium after remediation.

• The box-whisker plots show that there is a significant decrease in concentrations of total recoverable and dissolved cadmium, copper, zinc and total recoverable iron after remediation.

6.3 Tunakohoia Stream

The north branch of the Tunakohoia Stream receives discharges from both the Tui Mine adits (SW3 and SW5) and the Tui Mine tailings dam as well as being impacted by contaminated groundwater and tailings material which has been washed downstream from the Tui Mine processing areas or overburden dumped directly into the stream. Monitoring site SW101 is located upstream of the mine and tailing discharges but may be impacted by seeps of contaminated groundwater from the mine. The monitoring site SW100 may be impacted by all the above discharges. SW7 is located further downstream of SW100. SW8, which is located on the southern branch of the Tunakohoia Stream, is not thought to be significantly impacted by the discharges of the Tui Mine.

6.3.1 SW101 (Ruakaka Adits Tributary)

There was insufficient data as part of the baseline dataset to undertake statistical analysis of changes in concentration of contaminants pre and post remediation of Tui Mine site.

T-tests were therefore not carried out on pH, sulphate, alkalinity, concentrations of total recoverable and dissolved cadmium, calcium, copper, lead, magnesium and zinc before and after remediation.


• Box-whisker plots show that there is a decrease in the concentrations of sulphate, alkalinity, dissolved and total recoverable cadmium, copper, lead, magnesium and zinc.

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• No change in pH before and after remediation can be observed on the respective box-whisker plot.

• Mann-Kendell analysis did not detect any statistically significant trends in the concentration of pH, alkalinity, sulphate, cadmium, calcium, magnesium and zinc before and after remediation. However, a decreasing trend at the ≥ 80% confidence level were observed for concentrations of total recoverable and dissolved copper and total recoverable lead.


• After remediation, there is an increasing trend in pH, sulphate, concentrations of total recoverable and dissolved cadmium, calcium, magnesium, lead and zinc at the ≥ 80% confidence level. There is a decreasing trend in alkalinity and in concentrations of total recoverable and dissolved copper ≥ 80% confidence level.

• The concentration of both total recoverable and dissolved arsenic before and after remediation were below the laboratory detection limit and therefore have been excluded from the statistical analysis.

6.3.1.3 Comparison of water quality at SW101 and SW8 (South Branch of the Tunakohoia Stream)

The concentration of dissolved and total cadmium, lead, nickel and zinc at SW101 are significantly elevated than those elements measured at SW8. Dissolved and total antimony and copper concentrations are also slightly elevated above measured at SW8.

6.3.2 SW100 (Tunakohoia Stream North Branch)

The concentrations of total recoverable and dissolved arsenic before and after remediation were below the laboratory detection limit and therefore have been excluded from the statistical analysis.






Sulphate No statistically significant difference

Alkalinity No statistically significant difference

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Iron (Total) Statistically significant difference

Lead (Dissolved) No statistically significant difference







• The concentrations of dissolved and total cadmium, copper and zinc show a statistically significant difference before and after remediation. Decreases in concentrations after remediation are graphically shown in the respective box-whisker plots. The Mann-Kendall tests also indicate that these parameters show a decreasing trend over time at the ≥ 80% confidence level.

• The concentrations of total iron and lead also show a statistically significant difference before and after remediation, and decreases in concentrations after remediation can be seen in their respective box-whisker plots. The Mann-Kendall test also indicates that there is a decreasing trend over time at the ≥ 80% confidence level for these parameters.

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• T-tests and Rank Sum tests indicate that pH, sulphate and alkalinity do not show a statistically significant difference before and after remediation.


• After remediation, Mann Kendell analysis detected that there is a decreasing trend at the ≥ 90% confidence level for concentrations of total recoverable and dissolved cadmium and zinc and total recoverable concentrations of copper and lead. There is also an increasing trend at ≥ 80% confidence level for pH, alkalinity, and concentrations of total recoverable and dissolved calcium and magnesium.


The concentration of dissolved and total cadmium, calcium, lead, magnesium, manganese, nickel and zinc at SW100 are significantly elevated above concentrations of these elements measured at SW8. Total concentrations at SW100 are also greater than total iron concentrations measured at SW8. Dissolved and total antimony and copper concentrations are also slightly elevated above the concentrations of these elements measured at SW8. It should be noted that the concentrations of antimony, cadmium and copper at SW100 are similar or only slightly higher than those measured at SW101.

6.3.3 SW7 (Tunakohoia Stream North Branch, Downstream of Tailings Dam)







Arsenic (Dissolved) Data points under the detection limit after

remediation

Arsenic (Total) Data points under the detection limit after

remediation


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• There is a statistically significant difference before and after remediation in the concentrations of dissolved and total cadmium, copper, lead, zinc and total recoverable iron. A visible decrease can also be observed on the respective box-whisker plots. The Mann-Kendall tests also indicates that the parameters above show a decreasing trend over time at the ≥ 90% confidence level.

• Insufficient data points were available on before remediation to carry out t-tests on concentrations of total recoverable and dissolved calcium and magnesium ions; however there is a visible increase in these concentrations after remediation present on their respective box-whisker plots. There is also an increasing trend at the ≥ 80% confidence level for concentrations of total and dissolved calcium.

• The t-tests suggest that there is no statistically significant difference in pH before and after remediation and no change can be visually observed on the respective box-whisker plot. The Mann-Kendall tests suggest that there is no trend in pH over time at the ≥ 90% confidence level.

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• After remediation, there is a decreasing trend at the ≥ 80% confidence level for concentrations of total recoverable and dissolved copper and lead, and total recoverable iron and zinc. There is an increasing trend at the ≥ 80% confidence level for concentrations of total recoverable and dissolved calcium and magnesium. There is no trend for pH, concentrations of total recoverable and dissolved cadmium, and dissolved zinc.


The concentration of dissolved and total cadmium, calcium, lead, magnesium, manganese, nickel and zinc at SW7 are significantly elevated above concentrations of these elements measured at SW8. Dissolved and total copper concentrations are also slightly elevated above those measured at SW8.

6.3.4 SW8 (Tunakohoia Stream South Branch, Town Water Supply Inlet)



• The Mann-Kendall test indicates that there is a decreasing trend over time at the ≥ 80% confidence level for the concentrations of total recoverable copper, lead and zinc. The t-tests and Rank Sum tests do not indicate that there is a statistically significant difference; however there is a visual decrease in the concentrations after remediation on the box-whisker plots for the respective parameters.

• The t-tests or Rank Sum tests could not be carried out on the concentrations of total recoverable and dissolved calcium before and after remediation as there was less than half the number of data points available for before remediation than after remediation. However the respective box-whisker plots suggest that there is a slight increase in these concentrations.

• The t-tests suggest that there is no statistically significant difference in pH before and after remediation and no trends are observed visually on the respective box-whisker plot. The Mann-Kendall tests suggest that there is no trend in pH over time at the ≥ 90% confidence level.

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• After remediation, there is a decreasing trend at the ≥ 90% confidence level for concentrations of total recoverable and dissolved magnesium and zinc. There is also an increasing trend at the ≥ 90% confidence for pH and concentrations of total recoverable calcium.

6.3.5 Summary of Tunakohoia Stream Water Quality after Remediation

While there has been an increase in the concentrations of some parameters (namely sulphate ions as well as dissolved and total cadmium, copper, lead and zinc) measured at SW3, overall the water quality at SW100 and SW7 has improved. This is due to a significant improvement in the water quality being discharged from audit 5 (monitoring site SW5) and from the tailings dam (SW15). The concentration of cadmium, copper, iron, lead and zinc at SW7 still remain elevated when compared to the water quality at SW8 (south branch of the Tunakohoia Stream).

Water quality at SW101 (Tunakohoia Stream upstream of SW100 and of the discharges from SW3 and SW5) has not changed significantly as a result of the remediation of the Tui Mine. The concentration of dissolved and total cadmium, lead and zinc at SW101 are significantly elevated above concentrations of these elements measured at SW8.

6.4 Tui Stream

6.4.1 SW11 (Tailings Dam Tributary, Discharges to Tui Stream)

There were an insufficient number of pre- remediation measurements for dissolved and total calcium and total magnesium to undertake a statistical analysis.





pH Statistically significant difference

Arsenic (Dissolved) No statistically significant difference

Arsenic (Total) No statistically significant difference



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Magnesium (Dissolved) Statistically significant difference





• T-tests on pH before and after remediation indicate that there is a statistically significant difference between these groups and there is a significant visual increase on the respective box-whisker plots.

• Rank Sum tests and box-whisker plots for concentrations of total recoverable and dissolved arsenic before and after remediation indicate that there is not a statistically significant difference between the two groups. The Mann-Kendall tests also suggest that there is no trend over time in concentrations for these elements.

• There is a statistically significant difference before and after remediation in the concentrations of dissolved and total copper and zinc, and the total recoverable concentrations of cadmium, iron and lead. Decreases in concentrations after remediation can be observed on their respective box-whisker plots. The Mann-Kendall tests also indicate that these parameters show a decreasing trend over time at the ≥ 80% confidence level.

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6.4.2 SW13 (Tui Stream, Downstream of Tailings Discharge)


There were an insufficient number of pre- remediation measurements for dissolved and total calcium and total magnesium to undertake a statistical analysis of these parameters.





pH Statistically significant difference

















• There is a statistically significant difference before and after remediation in the concentrations of dissolved and total cadmium, copper, lead and

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zinc. Decreases in concentrations after remediation are graphically shown in the respective box-whisker plots. The Mann-Kendall tests also indicate that these parameters show a decreasing trend over time at the ≥ 80% confidence level.

• T-tests were not carried out on the concentrations of total recoverable and dissolved magnesium before and after remediation as there were less than half the data points available before remediation than after remediation. The box-whisker plots show that there is a slight decrease in the concentrations of dissolved magnesium after remediation.

6.4.2.2 Comparison of water quality at SW13 (Tui Stream) and SW8 (Tunakohoia Stream)

The concentrations of dissolved and total cadmium and zinc at SW13 are significantly elevated above those measured at SW8. The concentrations of dissolved and total iron and lead are slightly higher than the concentrations of those measured at SW8. The concentration of cadmium, copper, lead and zinc at SW13 is much lower than those measured at SW7 on the Tunakohoia Stream, which has been impacted by the discharges form the Tui Mine site and tailings dam.

6.5 Summary of Statistical Analysis of Water Quality Data

Remediation of the Tui Mine site and tailings dam have resulted in a statistically significant reduction in the concentrations of dissolved and total cadmium, copper, lead, zinc as measured at SW7 on the Tunakohoia Stream. However, the concentration of these elements remains elevated when compared to water quality results obtained from SW8. The concentration of arsenic and mercury at SW7 and SW8 before and after remediation was lower than the analytical detection limit. Therefore, it is not possible to determine if there has been a change in these parameters. The concentration of dissolved and total iron measured at SW7 post remediation are similar to the background iron concentration measured at SW8.

With the expectation of mercury, there has been a significant decrease in the concentration of most metals being discharged from the Tui tailings dam and an increase in the pH. This has resulted in an improved in water quality within the Tui Stream, as measured at SW13. However, concentrations of many metals at SW13 are elevated compared to the concentrations measured at SW8 (south branch of the Tunakohoia Stream).

7.0 Flow Monitoring Results

The key findings of the 2015 Tunakohoia and Tui Stream flow monitoring are summarised below on a site by site basis. Any increase or decrease in water flow

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is less than 10-fold, unless otherwise stated. See Appendix B for the result tables for each monitoring location.


• The flow measured from this sampling site over the 2015 monitoring rounds was within the range of results reported in the PDP (2010) baseline monitoring report and those measured during previous monitoring rounds.

SW5 (Adit 5 Outlet)

• Flows measured post remediation are similar to each other, spanning a range from 1 to 3 L/s.

• The measured flow of water being discharged at this sampling site has significantly decreased (approximately 10-fold) compared to the flow monitoring results reported in the PDP (2010) baseline monitoring report. This may be due to the installation of the bulkhead on Champion Level 5 which has diverted some groundwater to the adit 4 discharge point (SW3). Changes to the outlet structure during the remediation and the destruction of the weir in late 2009 means that flow measurements in monitoring rounds since 2009 are less accurate technique than those reported in the 2010 baseline monitoring report.


• The measured flow of water from this sampling site was within the range of results reported in the PDP (2010) baseline monitoring report and those measured during previous monitoring rounds.


• The measured flow of water from this sampling site were slightly lower than the range of results reported in the PDP (2010) baseline monitoring report and those measured during previous monitoring rounds.

SW11 (Tailings Dam Tributary, Discharges to Tui Stream)


SW13 (Tui Stream, Downstream of Tailings Discharge)


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8.0 Assessment of the Mass Flux of Contaminants at Each of the Monitoring Locations

To provide assessment of contaminant concentrations measured during sampling, mass flux calculations for the following elements were undertaken:

• Dissolved arsenic

• Total recoverable arsenic

• Dissolved cadmium

• Total recoverable cadmium

• Dissolved copper

• Total recoverable copper

• Dissolved iron

• Total recoverable iron

• Dissolved lead

• Total recoverable lead

• Dissolved zinc

• Total recoverable zinc.

Mass flux is defined (for the purposes of this report) as the quantity of contaminant discharged past a point of interest (stream transect) over a given time interval. Mass flux results calculated for this report are in units of (g.s-1). Mass flux calculations for sites SW03, SW05, SW07, SW15, SW100 and SW101 are provided in Appendix C (refer to Figure 1 for sampling site locations).

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An elevated mass flux can occur because of two reasons, these are:

• An increased quantity of contaminant being discharged, but with no equivalent increase in stream flow; and

• A decrease in stream flow, but with no equivalent decrease of contaminant concentration.

A reduction of mass flux can result due to the inverse of the reasons provided above.

Mass flux of contaminants measured in prior sampling rounds were compared with results calculated during the 2015 monitoring period for sites SW03, SW05, SW07, SW100, and SW101.

The 2011 and 2012 monitoring data have not be used for pre and post remediation assessments because there was either continuing remedial works occurring at some of the mine sites or the tailings dam which may have affected the results or no monitoring was undertaken on the Tui Stream catchment.

URS (2014) has noted in their Site Validation Report that there has been a change in the drainage paths in the underground due to the installation of a bulkhead in champion level 5. This has resulted in an increase in concentration and flow at Champion Level 4 (SW3) but a greater reduction in concentration and flow at Champion Level 5 (SW5) (URS, 2014).

Therefore, to understand if there has been a significant improvement in water quality being discharged from the Tui Mine post remediation it would be better to assess the total mass flux from two monitoring locations (SW3 and SW5) before and after remediation.

To assess the overall net change in metal flux into the Tunakohoia Stream that the remedial works have achieved, PDP has summed together the discharges from SW3 and SW5. This assessment is likely to be a conservative estimate of the overall metal flux that the Tui mine remediation has achieved as there may be smaller discharges which have not been measured.

For the purpose of this assessment, a significant change in mass flux has been defined as any increase or decrease in mass load greater than 10-fold, unless otherwise stated.

A summary of key findings are provided below on a site by site basis.


The results of mass flux pre-remediation (pre -2010) and post remediation (2013 to 2015) are presented in Tables C-1a and C-1b in Appendix C respectively.

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• There has been no significant change in mass flux for most of the contaminants measured during the 2015 monitoring round compared to the range of mass flux calculated in 2013 and 2014 monitoring rounds (i.e. the mass flux calculated for 2015 is within a factor of 10 for the mass flux for 2013 and 2014).


• The mass flux for dissolved and total cadmium, copper, lead and zinc are higher than those reported in the baseline monitoring report in 2009, but are within the historical baseline range for mass flux (from 2000 to 2009) reported in the baseline monitoring report (PDP, 2010).

SW05 (Adit 5 Outlet)

The results of mass flux pre-remediation (pre -2010) and the mass flux post remediation (2013 to 2015) are presented in Tables C-2a and C-2b in Appendix C respectively.


• There has been no significant change in the mass flux of other contaminants measured during the 2015 monitoring round compared to the range of mass flux calculated in 2013 and 2014.


• The mass flux of dissolved and total cadmium, copper, lead and zinc discharged from SW5 are lower than historical pre-remediation results (PDP, 2010).

Combined Discharges from Mine Adits (SW3 and SW5)

The results of mass flux pre-remediation (pre -2010) and the mass flux post remediation (2013 to 2015) are presented in Tables C-3a and C-3b in Appendix C respectively.


• The total mass flux of metals from the mine adits (SW3 and SW5) into the Tunakohoia Stream is similar to the mass flux of metals calculated from the 2013 and 2014 monitoring results.


• There has been a significant decrease in the mass flux of dissolved and total cadmium, copper, lead and zinc being discharged into the Tunakohoia Stream from the two mine adits compared to the mass flux reported in the baseline monitoring results.

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SW15 (Discharge from the Tui Tailings Dam into the Tunakohoia Stream North Branch)



• The total mass flux of metals discharge from SW15 is very similar to the mass flux calculated from 2014 monitoring results.


• There has been a significant decrease in the mass flux of dissolved and total arsenic, copper, iron and lead. There may also be a slight decrease in the mass loads of cadmium and zinc as well.

Combined Discharged from Tui Tailings Dam (SW15) and Mine Adits (SW3 and SW5) into the Tunakohoia Stream North Branch

The results of mass flux from monitored sources into the North branch of the Tunakohoia Stream pre-remediation (pre -2010) and post remediation (2013 to 2015) are presented in Tables C-6a and C-6b in Appendix C respectively.

• There is insufficient data (above the analytical detection limit) to assess the change in the mass flux of dissolved and total arsenic and copper as well as dissolved iron and lead.

• There has been a significant decrease in the mass flux of dissolved and total cadmium and zinc as well as total lead being discharged into the north branch of the Tunakohoia Stream from the monitoring discharge points.

SW07 (Tunakohoia Stream North Branch, Downstream of SW100 and SW15)



• There has been no significant change in the mass flux of contaminants calculated during the 2015 monitoring round compared to the range of mass flux calculated in 2013 and 2015.


• The range of mass flux of contaminants measured during the 2015 monitoring round are similar to, or slightly lower, than the range of mass flux reported in the baseline monitoring report (PDP, 2010).

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• There has been no significant change in the mass flux of contaminants measured during the 2015 monitoring round compared to the range of mass flux observed in 2013 and 2014.


• There appears to be a slight decrease in the mass flux of dissolved and total cadmium compared to the mass flux reported in the baseline monitoring report (PDP, 2010).


The results of mass flux pre-remediation (pre -2010) and post remediation (2013 to 2015) are presented in Tables 9a and 9b in Appendix C respectively.


• There has been no significant change in the mass flux of contaminants measured during the 2015 monitoring round compared to the range of mass flux observed in 2013 and 2014.


• There has been no significant change in the mass flux of contaminants measured post remediation (2013 -2015 monitoring rounds) compared to the range of mass loads reported in the baseline monitoring report (PDP, 2010).

8.1 Statistical Analysis of Changes in Mass Flux Before and After Remediation

PDP has carried out statistical analysis to determine whether there has been a significant difference in the mass flux before and after remediation of the Tui Mine and to identify any trends in the data series for each monitoring site. The parameters that were subjected to analysis were concentrations of sulphate, dissolved and total recoverable arsenic, cadmium, calcium, copper, iron, lead, mercury and zinc.

The methodology for undertaking the statistical analysis of the changes in mass flux at each site is the same methodology as described in Section 6.1 of this report.

Copies of the statistical reports and box and whisker plots are attached in Appendix G.

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8.1.1 Tui Mine and Tailing Dam Discharges into Tunakohoia Stream


The concentrations of total recoverable and dissolved arsenic and mercury before and after remediation at this monitoring site were all below the detection limit and therefore a statistical analysis of the changes in mass flux was not carried out.


Table 9: Summary of Statistical Analysis of Mass Flux for SW3

Parameter T-tests/Rank Sum tests before and after remediation


Arsenic (Dissolved) Data under the detection limit before/after

remediation

Arsenic (Total) Data under the detection limit before/after

remediation










Comparison between baseline and post remediation results

• The results of the t-tests indicate that there is a statistically significant change in the mass flux of dissolved & total cadmium, coper, lead and zinc. Examination of the box-whisker plots indicates that the mass flux of these parameters were higher post remediation than were measured in the baseline study.

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• The mass flux of total iron does not show a statistically significant difference after remediation, and there is no visual difference present on its box-whisker plots.

• The mass flux of sulphate does not show a statistically significant difference post remediation, however a visual inspection of the box-whisker plots indicate there may have been a slight increase in the mass flux of sulphate being discharged from SW03 post remediation.

Trends in post remediation data

• After remediation (2013, 2014 and 2015), there is a decreasing trend at the ≥ 90% confidence level for the mass flux of dissolved and total lead.

• There is an increasing trend at the ≥ 80% confidence level for the mass flux of sulphate.

• There is no trend in the mass flux of dissolved & total cadmium, copper, or zinc in the post remediation data.

SW5 (Adit 5 Outlet)

The concentrations of dissolved & total copper, mercury and dissolved lead were excluded from the statistical analysis as although data points were available for before remediation, the concentrations after remediation were all under laboratory detection limits. Therefore it was not possible to calculate a mass flux after remediation for these elements.






Arsenic (Dissolved) Statistically significant difference

Arsenic (Total) Statistically significant difference



Copper (Dissolved) Data points under the detection limit after

remediation

Copper (Total) Data points under the detection limit after

remediation

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Lead (Dissolved) Data points under the detection limit after

remediation





• The mass flux of dissolved and total arsenic show a statistically significant difference after remediation, and the box-whisker plots show that the mass flux of arsenic has increased after remediation.

• The mass flux of total lead shows a statistically significant difference after remediation, and there is a decrease in the mass flux of lead indicated by the box-whisker plots. The mass flux of dissolved and total cadmium and zinc also show a statistically significant decrease after remediation.

• The mass flux of total iron does not show a statistically significant difference after remediation, and there is also no visual difference present on the box-whisker plots for total iron.

• The mass flux of sulphate does not show a statistically significant difference post remediation, however a visual decrease is present on the box-whisker plots.


• After remediation, there is a decreasing trend at the ≥ 90% confidence level in the mass flux of sulphate, dissolved arsenic, dissolved & total cadmium and zinc, and total iron.

• There is a decreasing trend at the ≥ 80% confidence level in the mass flux of total lead.

• There is no trend in the mass flux of total arsenic after remediation.

Combined discharge of SW3 and SW5

To assess if remediation has resulted in an overall change in the mass flux from the Tui Mine site, the sum of the mass flux from SW3 and SW5 have been combined. This approach was undertaken because during the remediation of the

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Tui Mine, a bulkhead was installed in Champion Level 5 that has resulted in a change in the drainage paths in the underground workings (URS, 2014). This has resulted in some of the groundwater (which was discharged via the Adit 5 during the baseline monitoring period (pre-remediation)) to be discharged via Adit 4 (URS, 2014). To assess if remediation has resulted in an overall change in the mass flux from the Tui Mine site the sum of the mass flux from SW3 and SW5 have been combined.

Statistical analysis was not undertaken for dissolved & total arsenic, copper, mercury and dissolved lead as some of the concentrations of these elements where below the laboratory detection limit.


Table 11: Summary of Statistical Analysis of Mass Flux for SW3 and SW5 combined



Arsenic (Dissolved) Data under the detection limit before/after

remediation

Arsenic (Total) Data under the detection limit before/after

remediation



Copper (Dissolved) Data points under the detection limit after

remediation

Copper (Total) Data points under the detection limit after

remediation


Lead (Dissolved) Data points under the detection limit after

remediation




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• T-tests indicated there was a statistically significant increase in mass flux iron and sulphate being discharged from SW3 and SW5 after the remedial works have been undertaken. It should be noted that both iron and sulphate concentrations have decreased by over 50% from 2013 to the most recent monitoring round in 2015. The initially high mass flux of iron and sulphate ions may be a result of the initially dissolution and flushing out of soluble iron sulphate minerals as a result of the flooding of level 5 adit.

• There has been a statically significant decrease in the mass flux of dissolved & total cadmium and zinc, total copper, iron and lead.


• After remediation, there is a decreasing trend at the ≥ 90% confidence level in the mass flux of sulphate, dissolved & total zinc, and total iron & zinc.

• There is a decreasing trend at the ≥ 80% confidence level in the mass flux of total cadmium.

• There is no trend in the mass flux of dissolved cadmium after remediation.


The concentrations of total recoverable and dissolved arsenic and mercury before and after remediation were below the detection limit and a mass flux of arsenic could not be calculated. Statistical analysis of mass flux for arsenic and mercury has therefore been excluded.


• T-tests were not carried out on the mass flux of total recoverable and dissolved cadmium, copper, lead, and zinc before and after remediation as there were less than half the data points available before remediation than after remediation. However, the box-whisker plots show that there is a decrease in the mass flux of dissolved & total cadmium and zinc, total copper, iron and lead.


• After remediation, there is an increasing trend at the ≥ 90% confidence level in the mass flux of dissolved cadmium and zinc. There is also an increasing trend at the ≥ 80% confidence level in the mass flux of total cadmium and copper.

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• There is a decreasing trend at the ≥ 90% confidence level in the mass flux of total lead.

• The mass flux of dissolved lead and copper and total zinc does not show a trend after remediation.

8.1.2 Tunakohoia Stream


The concentrations of total recoverable and dissolved arsenic and mercury before and after remediation were below the laboratory detection limit and therefore have been excluded from the statistical analysis.




Sulphate Not measured after remediation

Arsenic (Dissolved) Data points under the detection limit after

remediation

Arsenic (Total) Data points under the detection limit after

remediation



Copper (Dissolved) No statistically significant difference








• There is a statistically significant difference before and after remediation in the mass flux of dissolved & total cadmium and zinc, and total copper, iron, and lead. There is also a visible decrease in the mass flux of these elements shown in their respective box-whisker plots.

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• The mass flux of dissolved copper and lead does not show a statistically significant difference after remediation. However, a visual decrease in the mass flux is present on their respective box-whisker plots.


• After remediation, there is a decreasing trend at the ≥ 90% confidence level in the mass flux of total copper, iron, lead and zinc. There is also a decreasing trend at the ≥ 80% confidence level in the mass flux of dissolved copper and lead.

• There is no trend in the mass flux of total & dissolved cadmium and dissolved zinc after remediation.


The concentrations of total recoverable and dissolved arsenic and mercury before and after remediation were below the detection limit and therefore have been excluded from the statistical analysis.




Sulphate Not measured after remediation

Arsenic (Dissolved) Data points under the detection limit after remediation

Arsenic (Total) Data points under the detection limit after remediation

Cadmium (Dissolved) No statistically significant difference

Cadmium (Total) No statistically significant difference

Copper (Dissolved) No statistically significant difference

Copper (Total) No statistically significant difference



Lead (Total) No statistically significant difference



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• The mass flux of dissolved and total zinc show a statistically significant decrease in the mass flux after remediation.

• The mass flux of dissolved & total cadmium, total copper, iron and lead do not show a statistically significant difference after remediation. However, there appears to be a decrease in mass flux after remediation for these elements on their respective box-whisker plots. Additional long-term monitoring may be required to confirm if the concentrations of these elements are decreasing over time.

• There is no statistically significant difference between the baseline and post remediation mass flux of dissolved copper and lead.


• After remediation, there is a decreasing trend in the ≥ 90% confidence level in the mass flux of dissolved & total cadmium, zinc, and total copper and lead.

• There is also no trend in the mass flux of dissolved copper and lead after remediation. There is no trend in also the mass flux for total iron after remediation.


The concentrations of total recoverable and dissolved arsenic and mercury before and after remediation were below the detection limit and therefore it is not possible to calculate a mass flux for these elements. These elements have therefore been excluded from the statistical analysis.


• T-tests were not carried out on the mass flux of total recoverable and dissolved cadmium, copper, lead and zinc before and after remediation as there were less than half the data points available before remediation than after remediation. However, the box-whisker plots show that there is a decrease in the mass flux of dissolved and total cadmium, copper, lead and zinc after remediation.


• After remediation, there is an increasing trend in the ≥ 80% confidence level in the mass flux of dissolved & total zinc, and total cadmium and lead. There is an increasing trend for the ≥ 90% confidence level in the mass flux of dissolved cadmium and lead.

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• There is a decreasing trend in the ≥ 80% confidence level in the mass flux of dissolved & total copper after remediation.

8.2 Summary of Results

There has been a significant reduction in the mass flux of cadmium, copper, lead and zinc into the north branch of the Tunakohoia Stream from the two mine adits and the Tui tailings dam. This reduction in mass flux for cadmium, copper, lead and zinc has resulted in a statistically significant reduction in the total mass flux at SW100 and at SW7. The concentrations of arsenic and mercury at SW100 and SW7 are below the analytical detection limit and therefore it is not possible to determine if there has been a significant reduction in these elements as a result of the remediation of the Tui Mine Site and tailing dam.

There has been no significant change in the mass flux of arsenic, cadmium, calcium, copper, iron, lead and zinc at SW101 as a result of the remediation of the Tui Mine site.

9.0 Results of the Ecological Monitoring Programme

As part of WRC assessment of impacts on the Tui and Tunakohoia Streams, three rounds of macroinvertebrate sampling have been undertaken as part of this contract in 2009 (Coffey Associates, 2009), 2013 (PDP, 2013b) and 2015 (PDP, 2015b). In addition to these studies, the University of Canterbury have undertaken a benthic invertebrate survey of nine sites on the Tui and Tunakohoia Streams in December 2014 (Harding & Simon, 2014). The University of Canterbury has also undertaken a fish survey of the Tui and Tunakohoia Streams in November, 2015 (Harding & Simon, 2015).

Both the Tui and Tunakohoia Streams are within forested catchments and have stream substrates comprised mainly of boulders and cobbles with interstitial sands. Physicochemical monitoring at the two monitoring sites on the Tui Stream (SW12 upstream control site and SW13 impacted site) and two monitoring sites on the Tunakohoia Stream (SW8 control site and SW7 impacted site) have shown that the monitoring sites all have circum-neutral pH and dissolved oxygen concentrations at or close to saturation (Coffey Associates, 2009; PDP, 2013; Harding & Simon, 2014 and PDP, 2015). However, the Tui Stream receives discharges from the Tui Tailings dam containing elevated concentrations of dissolved and total arsenic, cadmium, copper, iron, manganese and zinc. The Tunakohoia Stream also receives discharges from the Tui tailings dam as well as discharges from several adits of the Tui Mine which also have elevated metal concentrations.

Prior to the remediation the monitoring sites, SW7 (Tunakohoia Stream) and SW13 (Tui Stream) were severely impacted by the discharges from the Tui tailings dam and mine adits. Healthy macro-invertebrates communities were,

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however, observed at monitoring sites SW8 (Tunakohoia stream) and SW12 (Tui Stream) (Coffery Associates, 2009). While SW7 and SW13 had a high quality habitat score, they did not appear to support any resident in-stream macro-invertebrate communities (Coffery Associates, 2009).

Benthic invertebrate surveys undertaken after the remediation of the tailings dam and mine sites (PDP, 2013; Harding & Simon, 2014 and PDP, 2015) have shown that the control monitoring sites (SW8 and SW12) continue to support a healthy macro-invertebrate communities. They have also demonstrated that there has been a significant improvement in macro-invertebrate health at the two impacted sites (SW7 and SW13). This increase in macro-invertebrate health has been associated with a significant improvement in water quality (due to a reduction in the concentrations of metal ions and increase in hardness) at these two monitoring sites. However, the macroinvertebrate communities at SW7 and SW13 are still impacted by metal discharges from the tailings dam and mine sites. This is demonstrated by:

• Lower taxa numbers at the impacted sites (SW7 and SW13), compared to the control sites (SW8 and SW12).

• The change in community structure from one dominated by mayflies (metal sensitive species) at the control sites to one now dominated by caddisflies and trueflies (more pollution tolerant species).

• Differences in the AMDI, %EPT, MCI, reduced invertebrate counts, and QMCI scores between the control site on the Tunakohoia Stream (SW8) and the impacted site on the Tunakohoia Stream (SW7) (See PDP, 2015).

Between 2013 and 2015, macro-invertebrate index scores and taxonomic richness increased at both impacted sites with the greatest improvement occurring within the Tui Stream. However, the most sensitive taxa to elevated metal concentrations (such as mayfly species) are still absent from the impacted sites. This implies that the macro-invertebrate communities downstream of the tailing dam and mine still are still being affected by these discharges.

10.0 Effectiveness of Reducing Acid Rock Drainage

Acid rock drainage (ARD) is caused by the oxidation of sulphide minerals (such as pyrite (FeS2), chalcopyrite ( CuFeS2), galena (PbS), sphalerite ((Zn, Fe)(S)), which can result on the release of metal and metalloids such as arsenic (As), cadmium (Cd), copper (Cu), iron (Fe), lead (Pb) and Zinc (Zn) into waterways and lower pH values well below pH (7). Acid rock generation is usually summarised by the following equation:

2FeS2(s) + 7O2(g) + 2H2O(l) = 2Fe2+(aq) + 4SO42−(aq) + 4H+(aq)

Mono-sulphide minerals (galena and sphalerite) may undergo oxidation via a similar mechanism as above, or they may undergo dissolution followed by the

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oxidation of the sulphur (S) to sulphate (SO42-) and hydrogen ions (acidity)

(Moses, et al; 1987).

In theory, using the above equations, the amount of ARD may be estimated by the mass discharge of sulphate ions. However, this process is complicated by three factors:

1. Mono-sulphide minerals such as galena and sphalerite only generate half as much sulphate as disulphide minerals (pyrite and chalcopyrite). In most situations, the concentration of disulphide minerals (particularly pyrite) in the ore body and country rock, is much lower than mono-sulphide minerals therefore as a first order approximation1 of the ARD generation rate can be estimated.

2. Precipitation of sulphate containing minerals such as gypsum (CaSO4), jarosite (KFe3+

3(OH)6(SO4)2) and other secondary minerals (such as other iron oxyhdroxysulphate minerals) (Alpers, C.N. and Blowes, D. W., 1994). The formation and precipitation of secondary minerals such as gypsum and iron oxyhydrosulphate minerals will result in a decrease of the mass of sulphate being measured in the water samples. It is impossible to estimate the amount of these minerals being formed within the mine, tailings dam and waterways. It therefor is not possible to estimate the influence that these minerals will have on the mass of sulphate being discharged from the mine site and tailings dam.

3. An unknown amount of water is being discharged either via groundwater or other routes, which are not being measured as part of this project.

While is not possible to quantify the change in ARD before and after remediation, it is possible to make a qualitative assessment if there has been a significant change in the ARD rate. This can be based on the mass flux of metals and sulphate being discharged from the two mine adits2.

10.1 Tui Mine (SW3 and SW5)

The mass flux of contaminants from SW5 is approximately two orders of magnitude (100 times higher) than SW3, therefore the mass discharge of SW3 does not add a significant contribution to the total mass flux of the two sites.

The mass flux of sulphate before and after remediation of the Tui Mine site is very similar. However, there was a significant increase in sulphate concentration post remediation at SW5 in 2012-2014. This has now decreased to pre-

1 Assuming that no precipitation of sulphate containing minerals occurring and all of the sulphate is measured, this approximate should be accurate within an order of magnitude when also taken into account analytical errors. 2 Sulphate concentrations where not measured at either SW11 or SW15. Therefore it is not possible to assess the changes in the rate of ARD at these locations.

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remediation levels in 2015. This may have been a result of the dissolution of partially soluble secondary iron sulphate minerals within level 5, due to the partial flooding of this level. This decrease would also explain the increase in the concentration of dissolved iron observed over the same time period. Within the 2015 dataset, there has been a significant reduction in the mass flux of sulphate. On-going monitoring is required to determine if there is a long term reduction of sulphate concentrations.

Currently there is insufficient information to conclusively say that there has been a reduction in acid mine drainage from the Tui Mine site based upon changes in the mass flux of sulphate. However, there was a significant decrease in the mass flux of several metals from the mine adits including cadmium, copper, lead and zinc. This may indicate that there has been decrease in the rate of ARD within the mine adits (based on pre and post remediation concentration of sulphate), but PDP cannot at this stage rule out that chemical processes (such as precipitation and sorption) which are occurring within the mine adits are reducing the mass flux of these elements into the environment.

11.0 Conclusion

Monitoring of the ecology and water quality in the Tui and Tunakohoia Streams has been undertaken in accordance with the Environmental Monitoring Plan for the Tui Mine remediation project and the Resource Consent 121042 issued by Waikato Regional Council. Water quality monitoring of the Tunakohoia Streams (north and south branch) has been undertaken three times per year (September, October and November) from 2011 to 2015 following the completion of phase 1 remediation works. Water quality monitoring has been undertaken of the Tui Stream concurrently with monitoring of the Tunakohoia Streams from 2013 to 2015 after the phase 2 remediation project was completed.

The aim of the water quality monitoring programme was to establish if the water quality of the water resources within the Tunakohoia and Tui Streams had changed following the rehabilitation of the underground mine and tailings dam site. In order to assess any changes in the water quality, the laboratory results were compared to the results reported in previous monitoring results and statistical analysis has been undertaken to determine if there has been a statistically significant change in water quality post remediation compared to the baseline monitoring results.

Additionally the stream water quality results were assessed against ANZECC (2000) Contact Recreational Standards for recreational use of the water resources.

Although the majority of the phase 1 remediation works of the Tui Mine had been completed before monitoring was undertaken in 2011, some additional remedial work was undertaken in 2012. This report therefore, only assesses data

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collected from the 2013 to 2015 monitoring period to determine benefits of water quality post-remediation.

Analysis of the 2013 to 2015 post remediation water quality monitoring data has shown that there has been a reduction in the concentration and mass flux of cadmium, copper, lead and zinc from SW5 (Level 5 Adit). Concentrations of most other parameters are in the same order of magnitude as the range of data reported within the baseline monitoring report (PDP, 2010).

Statistical analysis of the data from SW3 (Adit 4) and SW5 (Adit 5) indicate that while there has not been a significant change (in terms of magnitude) in some parameters, there has been a statistically significant trend of increasing pH values of the water being discharged from Adit 5 (monitoring location SW5). This trend of increasing pH values at Adit 5 is also associated with a decrease in the concentrations of dissolved and total cadmium, magnesium and zinc as well as total iron & dissolved arsenic concentrations.

At SW3, statistical analysis indicates that there has been a slight increase in the alkalinity of the water being discharged from Adit 3 (SW3). There has also been a slight increase in the dissolved and total cadmium, copper and lead measured at this site. The concentrations of dissolved and total calcium and magnesium is slightly higher (between 2 to 5 times higher) in the post remediation monitoring results compared to baseline results. This is consistent with the increase in alkalinity observed at this site.

Overall, there has been a significant reduction in the combined mass flux of cadmium, copper, lead and zinc into the north branch of the Tunakohoia Stream from monitoring locations SW3 and SW5.

11.1 Tui Tailings Dam Discharges (SW11 and SW15)

Phase 2 of the Tui Mine remediation project was completed in 2013, which involved the remediation of the tailings dam area. PDP has undertaken monitoring of two discharge points from the Tui tailings dam (SW11, which discharges into the Tui Stream, and SW13, which discharges into the north branch of the Tunakohoia Stream).

The post remediation monitoring of both discharge locations has seen a significant decrease in the concentration and mass flux for most parameters. At SW11 (on the Tailings Dam Tributary, which discharges to Tui Stream), the dissolved and total fractions for a number of key metals (aluminium, cadmium, chromium, copper, lead, manganese and zinc) were all below, or at the lower end of the range of results reported in the PDP (2010) baseline monitoring report. There has been a significant reduction in the mass load of cadmium and copper from the Tui tailings dam compared to the baseline monitoring results (PDP, 2010).

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The pH concentrations have increased from between 2.9 to 3.4 pH units to 5.8 – 7.95 pH units after the tailings dam have been remediated. Low levels of mercury (0.00024 to 0.00074 g/m3) were detected at SW11 post remediation, however during the baseline study all mercury samples were below the analytical detection limit.

At SW15 (tailings dam tributary which discharges to Tunakohoia Stream), a decrease in the concentrations of metals (aluminium, chromium, copper, lead, manganese and zinc) was observed after the tailings dam had been remediated. Box-whisker plots show that there is an increase in pH and concentrations of total recoverable and dissolved calcium and magnesium after remediation.

Overall, there has been a significant decrease in the mass loads of cadmium, copper and zinc being discharged into the Tui and Tunakohoia Streams compared to baseline (pre-remediation) monitoring results. The pH of the discharge water at both SW11 and SW15 has also increased after remediation. We consider there has been a measured improvement in water quality of the stream flow being discharged from the Tui tailing site.

11.2 Tui Stream

At SW13 (Tui Stream), there were decreases in the concentration of dissolved and total metals (aluminium, cadmium, chromium, copper, lead, manganese and zinc) compared to the range of results reported in the PDP (2010) baseline monitoring report. There has been a measured improvement of water quality at SW13. Water quality at this monitoring site meets ANZECC (2000) contact recreational standards for all parameters monitored. Before remediation, total aluminium and manganese concentrations regularly exceeded the ANZECC (2000) contact recreational standards.

The improvement in water quality at this site following the remediation has also been mirrored in an improvement in the in-stream ecology. Before remediation of the Tui tailings dam, the Tui Stream at SW13 did not appear to support any resident in-stream macro-invertebrate communities. Post remediation a wide range of taxa is now present.

The most sensitive taxa to elevated metal concentrations (such as mayfly species) are however still absent from SW13. This implies that the macro-invertebrate communities downstream of the tailings dam and mine site still are still being affected by these discharges. The most recent ecological monitoring round did detect a slight improvement in the benthic ecology at this site compared to those results obtained in 2013. The number of different taxa present and individuals collected however is significantly less than those found at the upstream control site on the Tui Stream (SW12). The ecology health of the Tui Stream has not yet returned to the natural state of stream water above the mine site but the ecological health at this site is considered to be still improving.

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It is assumed that this improvement is the result of the reduction of metal concentrations in the stream water in response to the remediation of the Tui tailings dam.

11.3 Tunakohoia Stream

At SW100 (Tunakohoia Stream, downstream of SW3 and SW5) the concentration of zinc (dissolved and total) detected during the 2015 monitoring round was significantly lower than the concentration reported during the baseline monitoring round (PDP, 2010). The concentrations of dissolved and total cadmium and copper show a statistically significant decrease from before to after remediation. The concentrations of total iron and lead also show statistically significant decreases after remediation.

The reduction in the concentration of cadmium and zinc at SW100 is expected to be partially due to the reduced cadmium and zinc concentrations being discharged from SW5.

Overall, we consider that there has been an improvement in water quality at SW100 following the remediation of the Tui Mine.

The water quality at SW101 (which is located upstream of the remediation area) has not changed significantly after remediation compared to the water quality monitoring data presented in the baseline monitoring report (PDP, 2010). A graphical assessment of the data using box-whisker plots does indicate a decrease in the concentrations of sulphate, alkalinity, dissolved and total recoverable cadmium, copper, lead, magnesium and zinc. Mann-Kendall analysis of the same dataset however indicates a statistically significant decrease in the concentration of total recoverable and dissolved copper and total recoverable lead.

Downstream of SW100 and SW101, the water quality at SW7 has improved following the remediation of the Tui mine site and the Tui tailings dam (SW15). Statistical analysis indicates that the concentrations of dissolved and total cadmium, copper, lead, zinc and total recoverable iron have decreased since 2013 and the water quality at this site is still improving. Ecological monitoring at this monitoring site in 2013 and 2015 has seen a measured improvement in benthic ecological communities compared to levels observed in 2009. While significant, the improvement in benthic macro-invertebrate communities has not been as great as that observed on the Tui Stream. This may be due to water quality difference between the SW7 (Tunakohoia Stream) and SW13 (Tui Stream). The concentrations of a number of elements (particularly zinc) are higher at SW7 than those observed on the Tui Stream (SW13). The concentrations of dissolved and total manganese have also decreased at this site, and are now below ANZECC (2000) Contact Recreational Standards.

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Although there has been an improvement in water quality at SW7, the concentrations of dissolved and total cadmium are above the ANZECC (2000) Contact Recreational Standards.

12.0 References

Alpers, C. N. & Blowes, D. (1994) Environmental Geochemistry of Sulphide Oxidation. American Chemical Society Symposium Series 550.

ANZECC and ARMICANZ, 2000. Australia and New Zealand guidelines for fresh and marine water quality, Volume 1, The Guidelines. Australian and New Zealand Environment and Conservation Council, Agriculture and Resource Management Council of Australia and New Zealand, Canberra.

APHA/AWWA/WEF, 2005. Standard Methods for the Examination of Water and Wastewater. 21st Edition. American Public Health Association, American Waste and Wastewater Association, Water Environment Federation.

Coffery Associates (2009). Environment Waikato Contract RCS 2009/10-0: Tui Mine Remedial Works – Instream Ecological Baseline Monitoring. Prepared for Pattle Delamore Partners.

Harding, J. S. and Simon, K. S. (2014) The Response of Water Chemistry and Benthic Stream Communities to remediation of the Tui Metal Mine. Prepared for Waikato Regional Council.

Harding, J. S. and Simon, K. S. (2015) Fish Survey of Tui and Tunakohoia Streams. Prepared for Waikato Regional Council.

Hickey, C. W. and Vickers M. L. (1999) Effects of Heavy Metals on Macro-invertebrate Communities in New Zealand Streams. Environmental Chemistry and Toxicology, Vol. 17, 11, pp 2338-2346.

Moses, C. O., Nordstrom, D. K., Herman, J. S. and Mills, A. L. (1987) Aqueous Pyrite Oxidation by Dissolved Oxygen and by Ferric Iron. Geochemica et Cosmochimica Acta, 51, pp 1561-1571.

PDP, 2010. Tui Remedial Works: Baseline Monitoring Report. Prepared for Environment Waikato, 2010.

PDP, 2012. Tui Mine Monitoring Report 2011 – Water Quality Monitoring (After Alkalinity Injection). Prepared for Environment Waikato, January 2012.

PDP, 2013a. Tui Mine Monitoring Report 2012 - Water Quality Monitoring (After Alkalinity Injection for Rehabilitation of Tui Mine). Prepared for Environment Waikato, January 2013.

PDP, 2013b. Tui Mine: Post Remediation Ecological Monitoring 2013. Prepared for Environment Waikato, December 2013.

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PDP, 2014. Tui Mine Monitoring Report 2013 - Water Quality Monitoring (After Alkalinity Injection for Rehabilitation of Tui Mine). Prepared for Environment Waikato, January 2014.

PDP, 2015. Tui Mine Monitoring Report 2014 – Water Quality Monitoring (After Rehabilitation of Tui Mine). Prepared for Waikato Regional Council, February 2015.

PDP, 2015b Tui Mine: Post remediation Ecological Monitoring 2015. Prepared for Waikato Regional Council.

URS, 2014. Site Validation Report. Technical reported prepared by URS NZ Limited for Waikato Regional Council.


Appendix A

Figure

SW8

SW15

SW101

T U I R O A D

TAILINGS DAMTUI MINE FORMER PROCESS AREA

TOWN SUPPLY INLET

WASTE ROCK PILES

WASTE ROCK PILES

SW11

SW13

SW7

SW3

SW12

SW5

SW100

FIGURE 1 : TUI MINE MONITORING LOCATIONS MAP

SITE LOCATION

WATER QUALITY MONITORING SITE

ECOLOGICAL MONITORING SITE

OLD MINE ROAD

ROAD

STREAM

KEY

SW7

SW7

APPROX. SCALE 1:5,000 (A3)

0 200m100

Te Aroha

SH

26

SITE


Appendix B

Tables

Tui Mine Monitoring Report 2015 - Water Quality Monitoring (After Rehabilitation of Tui Mine)

\\aklsrv2\jobs\A02200_A02299\A02277 Tui Mine\A02277814 2015 monitoring\S_Spreadsheets\Water Quality Monitoring Report\Appendix B Tables\A02277814_2015 Report Tables App B.xlsx PATTLE DELAMORE PARTNERS LTD

Sample Location ANZECC GuidelinesSample No. A808 A963 SW3 ADIT4 ADIT4 ADIT4 SW3 SW3 SW3Sampled By URS URS URS Sharplin Sharplin Sharplin PDP 2009 PDP 2009 PDP 2009Sampling date 19/12/00 22/02/01 15/12/01 30/01/07 3/05/07 27/07/07 17/09/09 8/10/09 17/11/09Laboratory Number 155596/3 158764/3 728224.1 734195.1 744474.1Flow Rate L/s - - 5 0.253 0.81 0.573 0.164 2.111 0.361Flow Rate m3/sec - - 0.0050 0.0003 0.0008 0.0006 0.0002 0.0021 0.0004Field:Temperature (ºC) - - - 11.3 11 10.6 10.36 10.17 10.97 15-33 10.17 11.3pH pH units - - - 6.79 6.92 7.05 7.84 6.76 7.42 5.0-9.0 6.76 7.84Conductivity mS/m - - - 89.8 74.4 68.4 92.09 65.08 10.8 NGV 10.8 92.09ORP mV - - - - - - 176 301 258 NGV 176 301Dissolved Oxygen mg/L - - - 8.47 7.6 - 10.64 10.15 9.1 > 6.5 7.6 10.64Turbidity NTU - - - - - - <5 <5 0.9 NGV 0.9 0.9Laboratory:pH pH units 7 6.6 6.7 - - - 6.7 7.8 6.7 5.0-9.0 6.6 7.8Conductivity mS/m 14 10.3 88 - - - 11.7 8.6 11.2 NGV 8.6 88Total Suspended Solids g/m3 <3 <3 5 - - - < 3.0 < 3.0 < 3.0 NGV 5 5

Total Dissolved Silica g/m3 - - - - - - 13 12 12 NGV 12 13

Anions meq - - - - - - 1.1 0.78 1.2 NGV 0.78 1.2Cations meq - - - - - - 1.1 0.77 1 NGV 0.77 1.1Alkalinity g/m3 as CaCO3 23 13 11 11 17 8 17 11 16 NGV 8 23

Acidity g/m3 as CaCO3

Bicarbonate g/m3 at 25°C - - - 18.8 26.3 12.2 21 14 19 NGV 12.2 26.3

Total Hardness g/m3 as CaCO3 - - - - - - 36 23 33 500 23 36

Calcium g/m3 11.9 7.74 5.71 11 8.72 7 10 6.7 9.9 NGV 5.71 11.9Magnesium g/m3 2.61 1.92 1.42 3.08 1.84 1.5 2.4 1.5 2.1 NGV 1.42 3.08Potassium g/m3 0.61 0.6 - 0.5 0.42 0.4 0.51 0.41 0.47 NGV 0.4 0.61

Sodium g/m3 7.15 6.98 - 7.61 7.4 7 7.9 6.8 7.3 300 6.8 7.9

Chloride g/m3 10.3 10.3 - 10.3 9.72 9 10 10 9.9 400 9 10.3

Nitrite-N g/m3 - - - - - - < 0.0020 < 0.0020 < 0.0020 1 < 0.0020 < 0.0020

Nitrate-N g/m3 0.122 0.158 - - - - 0.14 0.17 0.16 10 0.122 0.17

Nitrate-N+Nitrite-N g/m3 - - - - - - 0.14 0.17 0.16 NGV 0.14 0.17

Sulphate g/m327.4 15.9 14.2 26.4 17.6 12 20 12 28 400 12 28

Metals:Aluminium Dissolved g/m3 - - - - - - < 0.0032 0.016 < 0.0032 0.2 < 0.0032 0.016

Aluminium Total Recoverable g/m3 - - - - - - 0.0072 0.0046 < 0.0032 0.2 < 0.0032 0.0072Antimony Dissolved g/m3 - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021

Antimony Total Recoverable g/m3 - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021

Arsenic Dissolved g/m3 <0.001 <0.001 - <d.l. <d.l. <d.l. < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0011 < 0.0011

Arsenic Total Recoverable g/m3 <0.001 <0.001 - <d.l. 0.001 <d.l. < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0011 < 0.0011Barium Dissolved g/m3 - - - - - - 0.0068 0.0044 0.0063 1 0.0044 0.0068

Barium Total Recoverable g/m3 - - - - - - 0.0071 0.0047 0.0067 1 0.0044 0.0071

Beryllium Dissolved g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Beryllium Total Recoverable g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011

Boron Dissolved g/m3 - - - - - - 0.012 0.011 0.012 1 0.011 0.012

Boron Total Recoverable g/m3 - - - - - - 0.011 0.0099 0.011 1 0.0099 0.011

Cadmium Dissolved g/m3 0.0103 0.00409 0.00237 0.005 0.003 0.0025 0.0036 0.0016 0.0038 0.005 0.0016 0.0103Cadmium Total Recoverable g/m3 0.0106 0.0042 0.00309 0.005 0.004 0.00251 0.0038 0.0015 0.004 0.005 0.0015 0.0106Calcium Dissolved g/m3 - - 5.71 - - - 9.8 6.7 9.9 NGV 5.71 9.9

Calcium Total Recoverable g/m3 - - - - - - 9.7 6.6 9.7 NGV 6.6 9.7

Chromium Dissolved g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 <0.00053 <0.00053

Chromium Total Recoverable g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 <0.00053 <0.00053

Copper Dissolved g/m3 0.0059 0.0052 0.0043 0.004 0.001 0.00089 0.0019 0.00096 0.0013 1 0.00089 0.0059

Copper Total Recoverable g/m3 0.0115 0.012 0.0124 0.004 0.038 0.00107 0.0029 0.0012 0.016 1 0.00107 0.038Iron Dissolved g/m3 <0.02 <0.02 <0.02 0.016 0.016 0.00446 < 0.021 < 0.021 < 0.021 0.3 < 0.02 0.016

Iron Total Recoverable g/m3 0.22 0.07 1.27 0.029 0.417 0.526 < 0.021 < 0.021 < 0.021 0.3 < 0.021 1.27

Lanthanum Dissolved g/m4 - - - - - - - - - NGV - -

Lanthanum Total Recoverable g/m5 - - - - - - - - - NGV - -

Lead Dissolved g/m3 0.001 0.0013 0.0006 <d.l. <d.l. <d.l. 0.00058 0.00049 0.00093 0.05 0.00049 0.0013Lead Total Recoverable g/m3 0.0037 0.012 0.0697 0.003 0.008 0.00553 0.0013 0.0008 0.0011 0.05 0.0008 0.0697

Lithium Dissolved g/m3 - - - - - - 0.002 0.0017 0.0019 NGV 0.0017 0.002Lithium Total Recoverable g/m3 - - - - - - 0.0021 0.0016 0.0019 NGV 0.0016 0.0021

Magnesium Dissolved g/m3 - - 1.42 - - - 2.3 1.6 2.2 NGV 1.42 2.3

Magnesium Total Recoverable g/m3 - - - - - - 2.3 1.5 2 NGV 1.5 2.3

Manganese Dissolved g/m3 - - - 0.003 0.0006 0.00041 0.0024 < 0.00053 0.00086 0.1 <0.00053 0.003Manganese Total Recoverable g/m3 - - - 0.003 0.006 0.00077 0.0024 0.0007 0.00077 0.1 0.0007 0.006

Mercury Dissolved g/m3 - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.00008 < 0.00008

Mercury Total Recoverable g/m3 - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.00008 < 0.00008Molybdenum Dissolved g/m3 - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021

Molybdenum Total Recoverable g/m3 - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021

Nickel Dissolved g/m3 <0.0005 <0.0005 - - - - < 0.00053 < 0.00053 < 0.00053 0.1 < 0.0005 < 0.00053

Nickel Total Recoverable g/m3 <0.0005 <0.0005 - - - - < 0.00053 < 0.00053 < 0.00053 0.1 < 0.0005 < 0.00053

Potassium Dissolved g/m3 - - - - - - 0.46 0.41 0.43 NGV 0.41 0.46Potassium Total Recoverable g/m3 - - - - - - 0.47 0.41 0.44 NGV 0.41 0.47

Selenium Dissolved g/m3 - - - - - - < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011

Selenium Total Recoverable g/m3 - - - - - - < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011

Silver Dissolved g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.0011 < 0.0011

Silver Total Recoverable g/m3 - - - - - - < 0.00011 < 0.00011 0.0047 0.05 <0.0011 0.0047

Sodium Dissolved g/m3 - - - - - - 7.2 6.6 7.3 300 6.6 7.3

Sodium Total Recoverable g/m3 - - - - - - 7.2 6.3 7.5 300 6.3 7.5

Tin Dissolved g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053

Tin Total Recoverable g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053

Uranium Dissolved g/m3 - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021

Uranium Total Recoverable g/m3 - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021

Zinc Dissolved g/m3 1.26 0.494 - 0.595 0.306 0.18499 0.41 0.18 0.43 5 0.18 1.26

Zinc Total Recoverable g/m31.2 0.519 - 0.572 0.376 0.18564 0.39 0.18 0.42 5 0.18 1.2

Notes:"-" Parameter not measured

NGV: No guideline value<d.l.: Less than detection limit

Value exceeds ANZECC (2000) Contact Recreational Guideline values

Baseline DataTable B-1a: Water Quality Results for Tui Mine Monitoring at SW3

#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.

Contact Recreational Minimum Maximum

Level 4 Adit (SW3)



Sample Location ANZECC GuidelinesSample No. SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3Sampled By PDP 2009 PDP 2009 PDP 2009 PDP 2009 PDP 2009 PDP 2009 PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015Sampling date 6/09/11 11/10/11 8/11/11 15/08/12 6/09/12 17/10/12 26/09/13 17/10/13 13/11/13 24/09/14 22/10/14 13/11/14 23/09/15 15/10/15 11/11/15Laboratory Number 930978.1 943005.1 951502.1 1036699 1044859 1060297 1185572.1 1193690.1 1203456.1 1331057.1 1343005.1 1351548.1 1480296.1 1489960.1 1500740.1Flow Rate L/s 0.6875 3.13 1.40 1.70 1.50 0.80 0.76 0.76 1.06 2.53 0.338 0.30 0.80 0.613 0.34Flow Rate m3/sec 0.0007 0.0031 0.0033 0.0017 0.0015 0.0008 0.0008 0.0008 0.0011 0.0025 0.0003 0.0003 0.0008 0.0006 0.0003Field:Temperature (ºC) 10.17 11.3 10.23 9.87 10.22 12.32 12.9 10.5 10.9 10.9 10.9 10.6 11.0 10.6 10.3 11.3 10.8 15-33 10.3 11.3pH pH units 6.76 7.84 6.84 6.66 6.81 6.8 7.2 7.4 7.32 7.53 7.69 6.95 7.24 7.73 6.97 8.25 7.47 5.0-9.0 6.95 8.25Conductivity mS/m 10.8 92.09 41.0 16.5 28.1 14.5 10.5 11.5 11.4 18.9 12.9 11.4 27.5 25.6 159.1 193 188.9 NGV 11.4 193ORP mV 176 301 270 212 280 -9 212 216.6 120.3 96.7 158 236 157.1 183 211.1 143 133.6 NGV 96.7 236Dissolved Oxygen mg/L 7.6 10.64 9.91 11.08 9.32 8.38 9.11 9.19 10.7 9.28 9.53 10.3 8.83 10.61 9.72 10.05 10.08 > 6.5 8.83 10.7Turbidity NTU 0.9 0.9 17.1 2.3 4.0 <5 <5 8.7 1.8 4.6 28.4 4.0 3.5 6.0 2.10 9.2 3.49 NGV 1.8 28.4Laboratory:pH pH units 6.6 7.8 6.4 6.8 6.9 6 6.6 7.0 6.7 7.1 6.6 6.7 7.6 7.1 7 7.5 7.5 5.0-9.0 6.6 7.6Conductivity mS/m 8.6 88 34.5 15.4 35.1 24.5 34.2 15.2 11.1 22.5 14.6 11.2 27.5 21.2 16.8 19.8 27.2 NGV 11.1 27.5Total Suspended Solids g/m3 5 5 7 < 3 6 - 6 <3 <3 <3 <3 <3 <3 23 < 3 < 3 < 3 NGV < 3 < 3

Total Dissolved Silica g/m3 12 13 11.5 8 10.3 - 10.2 9.7 11.9 11.1 9.4 9.5 11.3 11.2 10.1 10.4 11.9 NGV 9.4 11.9

Anions meq 0.78 1.2 3.6 1.51 3.6 2.5 3.6 1.53 1.02 2.2 1.44 1.02 2.9 2.6 1.54 1.85 2.6 NGV 1.02 2.9Cations meq 0.77 1.1 4.3 1.46 3.8 2.3 3.5 1.55 1 2.1 1.31 0.96 2.7 2.5 1.53 1.8 2.6 NGV 0.96 2.7Alkalinity g/m3 as CaCO3 8 23 23 16.9 16.2 10 23 26 14 46 28 17.2 71 73 30 37 64 NGV 14 73

Acidity g/m3 as CaCO3 - - - 54 - -

Bicarbonate g/m3 at 25°C 12.2 26.3 28 21 19.7 12.2 28 32 17.1 56 34 21 86 89 36 45 77 NGV 17.1 89

Total Hardness g/m3 as CaCO3 23 36 107 40 87 47 88 54 30 82 47 32 111 102 57 69 109 500 30 111

Calcium g/m3 5.71 11.9 28 11.2 23 #1 12.5 24 16.2 #1 8.8 27 14.4 9.8 35 31 20 22 35 NGV 8.8 35Magnesium g/m3 1.42 3.08 8.7 #1 3 7.1 #1 3.9 6.6 #1 3.3 1.83 4.7 2.6 2 6.3 5.6 3.6 4.1 6 NGV 1.83 6.3Potassium g/m3 0.4 0.61 0.58 #1 0.45 0.57 #1 <1.0 0.55 #1 0.41 0.35 0.48 0.39 0.37 0.51 0.5 0.44 0.41 0.55 NGV 0.35 0.55Sodium g/m3 6.8 7.9 7.3 #1 6.4 7.5 #1 6.1 6.8 6.1 #1 5.7 6.5 6.7 6 6.5 #1 6.6 6.8 6.5 7.2 300 5.7 7.2

Chloride g/m3 9 10.3 9.3 9.2 9.8 8.3 9.0 8.1 8 8 7.4 7.7 8.1 8.6 8.6 8.6 8.7 400 7.4 8.7

Nitrite-N g/m3 < 0.0020 < 0.0020 < 0.002 < 0.002 < 0.002 <0.002 <0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.02 < 0.002 < 0.002 < 0.002 1 < 0.002 < 0.002

Nitrate-N g/m3 0.122 0.17 0.127 0.38 0.146 0.194 0.145 0.147 0.197 0.125 0.182 0.142 0.032 0.07 0.108 0.071 0.026 10 0.026 0.197

Nitrate-N+Nitrite-N g/m3 0.14 0.17 0.127 0.38 0.146 0.194 0.146 0.147 0.197 0.125 0.182 0.142 0.032 0.07 0.108 0.071 0.026 NGV 0.026 0.197

Sulphate g/m312 28 136 42 146 96 139 37 24 53 32 22 60 41 34 41 53 400 22 60

Metals:Aluminium Dissolved g/m3 < 0.0032 0.016 0.006 0.052 0.007 - 0.006 0.021 0.014 0.005 0.01 0.008 0.004 0.006 0.009 0.006 0.004 0.2 0.004 0.014Aluminium Total Recoverable g/m3 < 0.0032 0.0072 0.59 0.159 0.48 - 0.33 0.069 0.044 0.025 0.0193 0.0145 0.023 0.0148 0.0158 0.0175 0.0165 0.2 0.0145 0.044Antimony Dissolved g/m3 < 0.00021 < 0.00021 0.0004 < 0.0002 0.0003 - 0.0005 0.0003 < 0.0002 0.0003 < 0.0002 < 0.0002 0.0005 0.0003 0.0002 0.0003 0.0004 NGV 0.0002 0.0005Antimony Total Recoverable g/m3 < 0.00021 < 0.00021 0.00046 < 0.00021 0.00053 - 0.00055 0.00031 < 0.00021 0.00035 0.00023 < 0.00021 0.00059 0.0005 0.00026 0.00041 0.00048 NGV 0.00023 0.00059Arsenic Dissolved g/m3 < 0.0011 < 0.0011 < 0.0010 < 0.0010 < 0.0010 - < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.05 < 0.0010 < 0.0011Arsenic Total Recoverable g/m3 < 0.0011 < 0.0011 0.0015 < 0.0011 0.0015 - <0.0053 < 0.0011 <0.0011 < 0.0011 < 0.0011 <0.0011 0.0012 0.0012 < 0.0011 < 0.0011 0.0011 0.05 0.0011 0.0012Barium Dissolved g/m3 0.0044 0.0068 0.028 0.0174 0.024 - 0.027 #1 0.0182 0.0091 0.023 0.0156 0.0119 0.03 0.028 0.0184 0.022 0.031 1 0.0091 0.031Barium Total Recoverable g/m3 0.0044 0.0071 0.028 0.0177 0.024 - 0.024 #1 0.0187 0.0089 0.024 0.0157 0.012 0.03 0.029 0.022 0.024 0.032 1 0.0089 0.032Beryllium Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 - < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.00010Beryllium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 - < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00053 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00053Boron Dissolved g/m3 0.011 0.012 0.011 #1 0.01 0.0110 - 0.010 0.009 0.009 0.010 #1 0.010 #1 0.009 #1 0.011 #1 0.011 0.0090 0.009 0.009 1 0.009 0.011Boron Total Recoverable g/m3 0.0099 0.011 0.0094 #1 0.0102 0.011 - 0.0103 0.0095 0.0103 0.0099 #1 0.0090 #1 0.0086 #1 0.0106 #1 0.0109 0.0094 0.0092 0.0107 1 0.0092 0.0109Cadmium Dissolved g/m3 0.0016 0.0103 0.42 0.078 0.37 0.25 0.36 #1 0.040 0.032 0.027 0.02 0.0112 0.042 #1 0.033 0.021 0.027 0.036 #1 0.005 0.0112 0.033Cadmium Total Recoverable g/m3 0.0015 0.0106 0.42 0.084 0.37 - 0.31 #1 0.043 0.03 0.029 0.02 0.0116 0.040 #1 0.033 0.023 0.027 0.035 #1 0.005 0.0116 0.033Calcium Dissolved g/m3 5.71 9.9 28 11.2 23 #1 12.5 24 16.2 #1 8.8 26 14.5 #1 9.8 34 31 17.4 21 34 NGV 8.8 34Calcium Total Recoverable g/m3 6.6 9.7 30 11.8 22 #1 - 24 14.7 #1 8.9 27 14.4 #1 9.8 35 31 20 22 35 NGV 8.9 35Chromium Dissolved g/m3 <0.00053 <0.00053 < 0.0005 < 0.0005 < 0.0005 - < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.05 < 0.0005 < 0.0005Chromium Total Recoverable g/m3 <0.00053 <0.00053 < 0.00053 < 0.00053 < 0.00053 - < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Copper Dissolved g/m3 0.00089 0.0059 0.66 0.176 0.77 - 0.58 0.079 0.080 0.031 0.036 0.022 0.036 0.034 0.035 0.04 0.034 1 0.022 0.08Copper Total Recoverable g/m3 0.00107 0.038 1.06 0.25 1.02 - 0.91 0.149 0.104 0.072 0.058 0.032 0.093 0.081 0.061 0.07 0.082 1 0.032 0.104Iron Dissolved g/m3 < 0.02 0.016 0.02 0.13 0.15 <0.4 0.06 0.06 0.040 < 0.02 0.03 0.05 <0.02 < 0.02 0.05 0.03 < 0.02 0.3 0.03 0.05Iron Total Recoverable g/m3 < 0.021 1.27 1.19 0.41 1.47 1.46 1.25 0.57 0.21 0.6 0.26 0.166 0.66 0.5 0.32 0.4 0.49 0.3 0.166 0.66Lanthanum Dissolved g/m4 - - 0.00041 0.00037 0.00043 - 0.00036 <0.00010 < 0.00010 < 0.00010 < 0.00010 <0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.00010Lanthanum Total Recoverable g/m5 - - 0.00061 0.00047 0.00055 - 0.00047 0.00013 < 0.00011 < 0.00011 < 0.00011 <0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Lead Dissolved g/m3 0.00049 0.0013 0.0177 0.104 0.025 - 0.0157 0.033 0.055 0.018 0.046 0.057 0.0118 0.0104 0.044 0.034 0.0084 0.05 0.0084 0.057Lead Total Recoverable g/m3 0.0008 0.0697 0.157 0.169 0.185 - 0.165 0.163 0.096 0.135 0.123 0.095 0.118 0.092 0.115 0.114 0.081 0.05 0.081 0.135Lithium Dissolved g/m3 0.0017 0.002 0.0078 #1 0.0022 0.0067 #1 - 0.0057 0.0027 #1 0.0014 0.0035 0.002 0.0015 #1 0.0052 0.0051 0.0025 0.0031 0.0051 NGV 0.0014 0.0052Lithium Total Recoverable g/m3 0.0016 0.0021 0.0075 0.0027 0.0060 #1 - 0.0058 0.0026 #1 0.00136 0.0038 0.0021 0.00148 #1 0.0055 0.0047 0.0027 0.0032 0.0052 NGV 0.00136 0.0055Magnesium Dissolved g/m3 1.42 2.3 8.7 #1 3 7.1 #1 3.9 6.6 #1 3.3 #1 1.83 4.3 2.6 1.88 6.4 #1 5.7 3.3 3.8 5.9 NGV 1.83 5.9Magnesium Total Recoverable g/m3 1.5 2.3 8.4 3.1 6.6 #1 - 6.4 #1 3.0 #1 1.89 4.7 2.6 2 6.3 #1 5.6 3.6 4.1 6 NGV 1.89 6Manganese Dissolved g/m3 <0.00053 0.003 0.94 0.186 0.84 #1 0.44 0.73 #1 0.170 #1 0.071 0.22 0.088 #1 0.052 0.24 0.192 #1 0.097 0.112 0.184 0.1 0.052 0.24Manganese Total Recoverable g/m3 0.0007 0.006 0.96 0.21 0.76 #1 - 0.70 #1 0.160 #1 0.07 0.23 0.085 #1 0.053 0.25 0.191 #1 0.109 0.118 0.185 0.1 0.053 0.25Mercury Dissolved g/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 - < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Mercury Total Recoverable g/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 - < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Molybdenum Dissolved g/m3 < 0.00021 < 0.00021 < 0.0002 < 0.0002 < 0.0002 - < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 0.0004 < 0.0002 0.0002 0.0004 NGV 0.0002 0.0004Molybdenum Total Recoverable g/m3 < 0.00021 < 0.00021 0.00025 < 0.00021 < 0.00021 - < 0.00021 0.00021 < 0.00021 0.00025 < 0.00021 < 0.00021 0.00048 0.00048 < 0.00021 0.00025 0.00044 NGV 0.00025 0.00048Nickel Dissolved g/m3 < 0.0005 < 0.00053 0.0097 0.0028 0.0084 - 0.0083 #1 0.0011 0.0007 0.0015 #1 0.0008 #1 <0.0005 0.0015 0.0011 0.0009 0.001 0.0008 0.1 0.0007 0.0015Nickel Total Recoverable g/m3 < 0.0005 < 0.00053 0.01 0.0026 0.0084 - 0.0080 #1 0.00139 0.00078 0.00123 #1 < 0.00053 0.00055 0.00156 0.00127 0.00121 0.00112 0.00114 0.1 0.00055 0.00156Potassium Dissolved g/m3 0.41 0.46 0.58 #1 0.45 0.57 #1 - 0.55 #1 0.41 0.35 0.48 0.39 0.31 0.47 0.5 0.39 0.38 0.54 NGV 0.31 0.54Potassium Total Recoverable g/m3 0.41 0.47 0.55 0.47 0.49 #1 - 0.54 #1 0.42 0.36 0.48 0.46 0.37 0.51 0.5 0.44 0.41 0.55 NGV 0.36 0.55Selenium Dissolved g/m3 < 0.0011 < 0.0011 0.003 #1 < 0.0010 0.002 - <0.005 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.01 < 0.0010 < 0.0010Selenium Total Recoverable g/m3 < 0.0011 < 0.0011 0.0029 #1 < 0.0011 0.0023 - 0.0055 #2 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Silver Dissolved g/m3 < 0.0011 < 0.0011 < 0.00010 < 0.00010 < 0.00010 - < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 < 0.00010 < 0.00010Silver Total Recoverable g/m3 <0.0011 0.0047 < 0.00011 < 0.00011 < 0.00011 - < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 6.6 7.3 7.3 #1 6.4 7.5 #1 - 6.8 6.1 #1 5.7 6.5 5.9 5.7 6.7 #1 6.3 6.2 6.4 6.4 300 5.7 6.5Sodium Total Recoverable g/m3 6.3 7.5 6.9 6.6 6.6 #1 - 7.1 6.0 #1 5.9 6.5 6.7 6 6.5 #1 6.6 6.8 6.5 7.2 300 5.9 7.2Tin Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 - < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 NGV < 0.0005 < 0.0005Tin Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 - < 0.00053 <0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 < 0.000021< 0.000021 < 0.00002 < 0.00002 < 0.00002 - < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 NGV < 0.00002 < 0.00002Uranium Total Recoverable g/m3 < 0.000021< 0.000021< 0.000021< 0.000021< 0.000021 - < 0.000021< 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 0.18 1.26 58 #1 11.1 53 #1 33 45 #1 5.9 #1 4.5#1 4.9 #1 2.9 1.74 #1 6.7 5.2 #1 3.4 4.3 #1 5.1 #1 5 2.9 6.7

Zinc Total Recoverable g/m30.18 1.2 54 11.6 47 #1 - 44 #1 5.6 #1 4.2#1 4.4 #1 2.9 1.68 #1 6.8 4.8 #1 3.6 4.2 #1 4.7 #1 5 2.9 6.8

Notes:"-" Parameter not measured

NGV: No guideline value<d.l.: Less than detection limit


#1 It has been noted that the result for the dissolved frac

Minimum Maximum

Baseline DataTable B-1b: Water Quality Results for Tui Mine Monitoring at SW3

Post Remediation Data


Level 4 Adit (SW3)



Table B-2a: Water Quality Results for Tui Mine Monitoring at SW5Sample Location ANZECC GuidelinesSample No. O4 A810 A964 SW5 ADIT5 ADIT5 ADIT5 ADIT5 SW5 SW5 SW5 SW5Sampled By URS URS URS URS Sharplin Sharplin Sharplin Sharplin URS PDP 2009 PDP 2009 PDP 2009Sampling date 6/12/00 19/12/00 22/02/01 15/12/01 30/01/07 3/05/07 27/07/07 3/11/07 19/08/09 17/09/09 8/10/09 17/11/09Laboratory Number 154963/4 155596/5 158764/5 719259.1 728224.3 734195.3 744474.2Flow Rate L/s - - - 10 9.91 6.97 12.01 14.3 - 5.7 10.2 8.10Flow rate m3/sec - - - 0.0100 0.0099 0.0070 0.0120 0.0143 - 0.0057 0.0102 0.0081Field:Temperature (ºC) - - - - 15.47 14.8 13.1 14.2 - 14.35 12.92 13.98 15-33 12.92 15.47pH pH units - - - - 7.17 6.54 7.31 7.18 - 7.63 6.31 7.29 5.0-9.0 6.31 7.63Conductivity mS/m - - - - 52 51.4 45.5 52.5 - 56.29 46.55 61.4 NGV 45.5 61.4ORP mV - - - - - - - - - 194 225 297 NGV 194 297Dissolved Oxygen mg/L - - - - 9.82 8.62 - 9.58 - 9.66 9.47 9.91 > 6.5 8.62 9.91Turbidity NTU - - - - - - - - - <5 <5 19 NGV <5 19Laboratory:pH (pH units) pH units 7.1 7.3 6.9 7.3 - - - - 7.2 7.2 7.1 7.3 5.0-9.0 6.9 7.3Conductivity mS/m 66.1 69 62.5 56 - - - - 55.3 65.7 54.6 62.8 NGV 54.6 69Total Suspended Solids g/m3 15 16 13 13 - - - - 11 14 14 14 NGV 11 16Total Dissolved Silica g/m3 - - - - - - - - - 17 17 16 NGV 16 17Total Cyanide g/m3 - - - - - - - - - - - - 0.05 - -

Anions meq - - - - - - - - 5.6 7.4 5.6 #2 7.5 NGV 5.6 7.5Cations meq - - - - - - - - 5.3 6.5 4.9 #2 6.8 NGV 4.9 6.8Alkalinity g/m3 as CaCO3 68 74 57 49 57 46 48 - 38 68 43 64 NGV 38 74

Acidity g/m3 as CaCO3

Bicarbonate g/m3 at 25°C - - - - 80 81.7 65.3 - 46 83 52 78 NGV 46 83Total Hardness g/m3 as CaCO3 - - - - - - - - 190 290 220 300 500 190 300

Calcium g/m3 89.1 87.6 80.4 61.5 81.5 80.5 82 - 56 88 64 91 NGV 56 91Magnesium g/m3 17.7 17.9 16.4 11.9 14.9 15.8 15 - 13 18 14 18 NGV 11.9 18Potassium g/m3 1.26 1.23 1.21 1.2 1.1 1.4 - 0.84 1.3 0.93 1.3 NGV 0.84 1.4Sodium g/m3 14.8 14.4 14.6 - 14.5 14.6 14.5 - 11 15 12 15 300 11 15Chloride g/m3 10.9 10.9 10.3 - 10.2 10.2 10.2 - 10 10 11 10 400 10 11Nitrite-N g/m3 - - - - - - - - <0.0020 < 0.0020 < 0.0020 < 0.0020 1 < 0.0020 < 0.0020Nitrate-N g/m3 0.03 0.019 0.036 - - - - 0.068 0.024 0.062 0.033 10 0.019 0.068Nitrate-N+Nitrite-N g/m3 - - - - - - - - 0.068 0.025 0.063 0.033 NGV 0.025 0.068Sulphate g/m3

280 281 268 235 278 268 276.24 292 220 270 210 280 400 210 292Metals:Aluminium Dissolved g/m3 - - - - - - - - 0.0062 0.0046 0.0083 0.0044 0.2 0.0044 0.0083Aluminium Total Recoverable g/m3 - - - - - - - - - 0.26 0.44 0.26 0.2 0.26 0.44Antimony Dissolved g/m3 - - - - - - - - - 0.00063 0.00037 0.00061 NGV 0.00037 0.00063Antimony Total Recoverable g/m3 - - - - - - - - - 0.001 0.00073 0.001 NGV 0.00073 0.001Arsenic Dissolved g/m3 0.001 0.001 0.001 - 0.001 0.0008 0.001379 0.0015 <0.0010 < 0.0021 < 0.0053 0.0014 0.05 < 0.0053 0.0015Arsenic Total Recoverable g/m3 0.005 0.006 0.005 - 0.004 0.003 0.003981 0.0052 - 0.0052 0.0038 0.0048 0.05 0.003 0.006Barium Dissolved g/m3 - - - - - - - - - 0.024 0.022 0.026 1 <0.0010 0.026Barium Total Recoverable g/m3 - - - - - - - - - 0.024 0.023 0.027 1 0.023 0.027Beryllium Dissolved g/m3 - - - - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV <0.00011 <0.00011Beryllium Total Recoverable g/m3 - - - - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV <0.00011 <0.00011Boron Dissolved g/m3 - - - - - - - - 0.014 0.024 0.019 0.027 1 0.014 0.027Boron Total Recoverable g/m3 - - - - - - - - - 0.023 0.022 0.026 1 0.022 0.026Cadmium Dissolved g/m3 0.107 0.103 0.189 0.133 0.033 0.103 0.16 0.12 0.21 0.13 0.19 0.12 0.005 0.033 0.21Cadmium Total Recoverable g/m3 0.116 0.114 0.19 0.144 0.108 0.114 0.144 0.13 - 0.15 0.21 0.14 0.005 0.108 0.21Calcium Dissolved g/m3 - - - 61.5 - - - - - 86 58 84 NGV 58 86Calcium Total Recoverable g/m3 - - - - - - - - - 85 63 89 NGV 63 89Chromium Dissolved g/m3 - - - - - - - - <0.00050 < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Chromium Total Recoverable g/m3 - - - - - - - - - < 0.00053 0.00058 < 0.00053 0.05 <0.00053 <0.00058Copper Dissolved g/m3 0.0064 0.0051 0.0162 0.0145 0.008 0.005 0.02489 0.012 0.073 0.0085 0.043 0.0093 1 0.005 0.073Copper Total Recoverable g/m3 0.175 0.167 0.283 0.222 0.135 0.099 0.433 0.19 - 0.2 0.49 0.21 1 0.099 0.49Iron Dissolved g/m3 <0.02 <0.02 <0.02 <0.02 0.0032 0.012 0.457 <0.020 <0.02 < 0.021 < 0.021 < 0.021 0.3 <0.002 0.457Iron Total Recoverable g/m3 4.22 4.85 3.47 3.03 2.46 3.16 2.724 3.7 - 4.7 4.4 4.2 0.3 2.46 4.85Lanthanum Dissolved g/m4 - - - - - - - - - - - - NGV - -Lanthanum Total Recoverable g/m5 - - - - - - - - - - - - NGV - -Lead Dissolved g/m3 0.0013 0.0028 0.001 0.0009 0.001 <d.l. <d.l. 0.0003 0.0016 0.00025 0.00077 0.00026 0.05 0.00025 0.0028Lead Total Recoverable g/m3 0.0878 0.0771 0.0953 0.0979 0.04 0.03 0.03137 0.077 - 0.072 0.15 0.077 0.05 0.03 0.15Lithium Dissolved g/m3 - - - - - - - - - 0.02 0.015 0.021 NGV 0.015 0.021Lithium Total Recoverable g/m3 - - - - - - - - - 0.019 0.015 0.02 NGV 0.015 0.02Magnesium Dissolved g/m3 - - - 11.9 - 18 13 18 NGV 11.9 18Magnesium Total Recoverable g/m3 - - - - - - - - - 18 14 19 NGV 14 19Manganese Dissolved g/m3 - - - - 1.52 1.54 0.364 1.6 1.4 1.9 1.5 1.7 0.1 0.364 1.9Manganese Total Recoverable g/m3 - - - - 1.57 1.61 1.388 1.6 - 1.8 1.6 1.7 0.1 1.388 1.8Mercury Dissolved g/m3 - - - - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Mercury Total Recoverable g/m3 - - - - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Molybdenum Dissolved g/m3 - - - - - - - - - 0.00058 0.00027 0.00043 NGV 0.00027 0.00058Molybdenum Total Recoverable g/m3 - - - - - - - - - 0.00059 0.00036 0.00046 NGV 0.00036 0.00059Nickel Dissolved g/m3 0.0223 0.0233 0.0212 0.0186 - - - - 0.02 0.025 0.021 0.023 0.1 0.0186 0.025Nickel Total Recoverable g/m3 0.0215 0.0236 0.0217 0.0195 - - - - - 0.025 0.021 0.023 0.1 0.0195 0.025Potassium Dissolved g/m3 - - - - - - - - - 1.1 0.85 1.2 NGV 0.85 1.2Potassium Total Recoverable g/m3 - - - - - - - - - 1.1 0.94 1.1 NGV 0.94 1.1Selenium Dissolved g/m3 - - - - - - - - - < 0.0021 < 0.0053 < 0.0011 0.01 < 0.0011 < 0.0053Selenium Total Recoverable g/m3 - - - - - - - - - < 0.0021 0.0029 < 0.0021 0.01 < 0.0021 0.0029Silver Dissolved g/m3 - - - - <0.0001 <0.0002 <0.0001 - - < 0.00011 < 0.00011 < 0.00011 0.05 <0.0001 <0.0002Silver Total Recoverable g/m3 - - - - <0.0001 <0.0005 <0.0001 - - < 0.00011 < 0.00011 0.0003 0.05 <0.0001 0.0003Sodium Dissolved g/m3 - - - - - - - - - 13 11 15 300 11 15Sodium Total Recoverable g/m3 - - - - - - - - - 13 11 14 300 11 14Tin Dissolved g/m3 - - - - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Tin Total Recoverable g/m3 - - - - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 - - - - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Uranium Total Recoverable g/m3 - - - - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 15.9 15.9 23.7 17.4 17 14.6 24.60 18 30 20 27 19 5 14.6 30Zinc Total Recoverable g/m3

18.5 18.7 26.4 19.4 18.3 16.8 25.57 20 - 22 30 22 5 16.8 30

Notes:"-" Parameter not measured#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 Anion/cation balanced outside DQOs#3 Sever matrix interferences required dilution before anlaysis, resulting in a higer detection limit than normal. NGV: No guideline value


Baseline Data


Level 5 Audit (SW5)



Table B-2b: Water Quality Results for Tui Mine Monitoring at SW5Sample Location ANZECC GuidelinesSample No. SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5Sampled By PDP 2011 PDP 2011 PDP2011 PDP 2012 PDP2012 PDP2012 PDP2012 PDP 2013 PDP 2013 PDP2013 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015 PDP 2015Sampling date 6/09/11 11/10/2011 8/11/2011 15/8/2012 6/09/2012 17/10/2012 15/11/2012 26/09/13 17/10/13 13/11/13 22/10/14 13/11/14 23/09/15 15/10/15 11/11/15 8/12/15Laboratory Number 930978.2 943005.2 951502.2 1036699.3 1044859.4 1060297.2 1070611.7 1185572.2 1193690.2 1203456.2 1343005.2 1351548.2 1480296.2 1489960.2 1500740.2 1513257.2Flow Rate L/s 0.65 0.68 0.81 1.7 1.8 2.09 2.62 1.50 1.86 1.55 2.53 2.60 2.387 2.55 3.00 1.20Flow rate m3/sec 0.0007 0.0007 0.0008 0.0017 0.0018 0.0021 0.0026 0.0015 0.0019 0.0016 0.0025 0.0026 0.0024 0.0025 0.0030 0.0012Field:Temperature (ºC) 12.92 15.47 12.15 12.27 12.14 12.32 13.1 13 13 13 13.2 13.5 13.4 13.3 13.4 13.5 13.6 13.2 15-33 13 13.6pH pH units 6.31 7.63 7.33 7.05 7.12 6.8 7.42 7.04 6.89 6.71 6.86 6.85 6.9 7.08 6.59 7.29 7.06 7.48 5.0-9.0 6.59 7.29Conductivity mS/m 45.5 61.4 123 132 111 145 199 195.4 217 189.2 191.7 194 168.8 158 1318 1336 1390 967 NGV 158 1390ORP mV 194 297 55 8 87 -9 30.6 -10.8 0.2 -18.7 12.5 56 64.2 34 26.1 18.3 -5.2 13.3 NGV -18.7 64.2Dissolved Oxygen mg/L 8.62 9.91 9.28 10.15 9.84 8.38 8.99 7.53 8.05 8.79 7.13 7.72 8.91 7.81 6.97 7.62 6.9 10.34 > 6.5 6.9 8.91Turbidity NTU <5 19 0.7 3.8 6.1 <5 5.1 39.7 38.5 22.7 21.2 36 35 35.5 20.4 19.8 26.1 43.5 NGV 19.8 36Laboratory:pH (pH units) pH units 6.9 7.3 7.5 7.6 7.5 6.9 6.9 7.2 6.9 6.7 6.8 6.7 6.9 6.9 6.9 7.1 7.3 7.5 5.0-9.0 6.7 7.3Conductivity mS/m 54.6 69 123.8 130.2 135.8 169.9 188.6 183.0 214 182.8 119 1887 162 162.7 136.7 137.1 138.5 98.7 NGV 119 1887Total Suspended Solids g/m3 11 16 8 7 9 - 26 28 32 35 41 39 27 35 21 21 23 10 NGV 21 41Total Dissolved Silica g/m3 16 17 24 23 23 - 22 24 22 22 23 21 21 20 21 21 22 18.6 NGV 20 23Total Cyanide g/m3 - - - - - - - - - - - - - - - 0.05 - -

Anions meq 5.6 7.5 15.3 15.9 17.3 24 27 27 29 25 27 26 24 21 17.1 16.6 16.4 11 NGV 16.4 27Cations meq 4.9 6.8 15.1 16.6 16.7 24 26 26 30 23 25 23 22 22 16.7 17.1 16.1 10.3 NGV 16.1 25Alkalinity g/m3 as CaCO3 38 74 110 113 111 114 117 116 114 116 119 128 162 148 128 128 131 91 NGV 116 162

Acidity g/m3 as CaCO3 37 -

Bicarbonate g/m3 at 25°C 46 83 134 138 135 139.5 143 142 139 141 145 156 161 180 156 156 160 111 NGV 141 180Total Hardness g/m3 as CaCO3 190 300 670 740 750 1080 1170 1190 1360 1050 1120 1070 980 980 760 770 730 470 500 730 1120Calcium g/m3 56 91 220 240 240 350 390 #1 380 450 #1 350 370 350 320 300 270 250 260 161 NGV 250 370Magnesium g/m3 11.9 18 33 35 34 50 50 55 #1 58 #1 45 53 47 45#1 41 37 32 #1 34 24 NGV 34 53Potassium g/m3 0.84 1.4 1.41 #1 1.39 1.47 #1 1.70 1.82 1.68 1.8 1.7 1.8 1.46 1.71 1.67 1.6 1.51 1.72 1.15 NGV 1.46 1.82Sodium g/m3 11 15 20 #1 21 23 #1 25 26 27 32 #1 26 26 21 24#1 23 21 21 #1 23 17.4 300 21 26Chloride g/m3 10 11 10.2 9.7 10.2 9.7 9.7 9.5 9.4 10.3 9.5 8.8 9.7 9.3 9.6 9.7 9.5 9.8 400 8.8 10.3Nitrite-N g/m3 < 0.0020 < 0.0020 < 0.002 < 0.002 < 0.002 0.008 <0.002 <0.010 <0.02 0.006 0.003 <0.02 < 0.02 < 0.02 < 0.002 0.003 0.003 < 0.002 1 0.003 0.006Nitrate-N g/m3 0.019 0.068 0.019 0.013 0.015 0.006 0.010 0.013 <0.02 0.005 0.005 0.020 < 0.02 < 0.02 0.013 0.009 0.013 0.012 10 0.005 0.02Nitrate-N+Nitrite-N g/m3 0.025 0.068 0.02 0.014 0.017 0.014 0.012 0.013 <0.02 0.011 0.007 #3 0.03 < 0.02 #3 < 0.02 0.013 0.012 0.016 0.012 NGV 0.011 0.03Sulphate g/m3

210 292 620 640 710 1010 1160 1190 1270 1060 1150 1130 1020 840 680 660 650 430 400 650 1150Metals:Aluminium Dissolved g/m3 0.0044 0.0083 < 0.003 < 0.006 < 0.003 <0.006 < 0.006 <0.015 < 0.003 < 0.006 < 0.003 <0.003 < 0.003 < 0.003 < 0.003 < 0.003 < 0.003 0.2 < 0.003 < 0.003Aluminium Total Recoverable g/m3 0.26 0.44 0.0038 0.0091 < 0.0063 - <0.0063 <0.0063 <0.016 0.0057 < 0.0063 < 0.0032 < 0.0032 < 0.0032 0.006 < 0.0032 < 0.0032 0.0037 0.2 0.0057 0.006Antimony Dissolved g/m3 0.00037 0.00063 0.0002 < 0.0004 < 0.0002 - <0.0004 < 0.0004 <0.0010 < 0.0002 < 0.0004 < 0.0002 <0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 NGV < 0.0002 < 0.0004Antimony Total Recoverable g/m3 0.00073 0.001 0.00023 < 0.00042 0.00031 - < 0.00042 < 0.00042 <0.0011 < 0.00021 < 0.00042 < 0.00021 <0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00042Arsenic Dissolved g/m3 < 0.0053 0.0015 0.0015 #1 0.002 0.002 - 0.009 0.009 0.012 0.028 0.025 0.023 0.02 0.021 0.0162 0.0183 0.0178 0.0042 0.05 0.0162 0.028Arsenic Total Recoverable g/m3 0.003 0.006 0.0014 #1 0.0026 < 0.0021 - 0.0143 0.0146 0.0174 0.03 0.027 0.029 0.031 0.032 0.021 0.027 0.026 0.011 0.05 0.021 0.032Barium Dissolved g/m3 <0.0010 0.026 0.081 #1 0.082 0.079 #1 - 0.062 #1 0.052 0.053 0.042 0.043 0.044 0.033 0.032 0.027 0.027 0.029 0.024 1 0.027 0.044Barium Total Recoverable g/m3 0.023 0.027 0.079 #1 0.083 0.074 #1 - 0.057 #1 0.056 0.054 0.043 0.043 0.044 0.033 0.034 0.029 0.029 0.03 0.024 1 0.029 0.044Beryllium Dissolved g/m3 <0.00011 <0.00011 < 0.00010 < 0.0002 < 0.00010 - <0.0002 < 0.0002 <0.0005 < 0.00010 < 0.0002 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.0002Beryllium Total Recoverable g/m3 <0.00011 <0.00011 < 0.00011 < 0.00021 < 0.00011 - < 0.00021 < 0.00021 <0.00053 < 0.00011 < 0.00021 < 0.00011 < 0.00011 < 0.00011 < 0.00053 < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00053Boron Dissolved g/m3 0.014 0.027 0.029 #1 0.029 0.030 - 0.040 0.048 0.05 0.042 #1 0.04 0.041 #1 0.04 0.038 #1 0.033 0.033 0.031 0.027 #1 1 0.031 0.043Boron Total Recoverable g/m3 0.022 0.026 0.028 #1 0.04 0.033 - 0.050 0.049 0.053 0.038 #1 0.044 0.039 #1 0.044 0.035 #1 0.044 0.035 0.033 0.024 #1 1 0.033 0.044Cadmium Dissolved g/m3 0.033 0.21 0.045 0.054 0.045 - 0.023 0.024 0.030 #1 0.0104 0.0114 0.0122 0.007 0.0064 0.0032 0.0031 0.0034 0.00174 0.005 0.0031 0.0122Cadmium Total Recoverable g/m3 0.108 0.21 0.046 0.053 0.047 0.0141 0.023 0.028 0.029 #1 0.0108 0.0121 0.0131 0.0073 0.0066 0.0034 0.0035 0.0035 0.0022 0.005 0.0034 0.0131Calcium Dissolved g/m3 58 86 220 240 240 - 390 #1 380 450 #1 350 370 350 310 320 250 250 250 153 NGV 250 370Calcium Total Recoverable g/m3 63 89 220 250 240 350 380 410 440 #1 350 370 360 320 300 270 250 260 161 NGV 250 370Chromium Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0010 < 0.0005 - <0.0010 < 0.0010 <0.003 < 0.0005 < 0.0010 < 0.0005 < 0.0010 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.05 < 0.0005 < 0.0010Chromium Total Recoverable g/m3 <0.00053 <0.00058 < 0.00053 0.0011 < 0.00053 - <0.0011 <0.0011 <0.0027 < 0.00053 < 0.0011 < 0.00053 < 0.0011 < 0.00053 0.00176 < 0.00053 < 0.00053 < 0.00053 0.05 0.00176 0.00176Copper Dissolved g/m3 0.005 0.073 0.0023 < 0.0010 < 0.0005 - <0.0010 0.0019 #1 0.003 < 0.0005 < 0.0010 < 0.0005 < 0.0010 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 1 < 0.0005 < 0.0010Copper Total Recoverable g/m3 0.099 0.49 0.0025 < 0.0011 0.0052 - <0.0011 <0.0011 #1 0.0033 < 0.0011 < 0.0011 < 0.00053 < 0.0011 < 0.00053 0.00146 < 0.00053 0.00068 < 0.00053 1 0.00068 0.00146Iron Dissolved g/m3 <0.002 0.457 0.27 1.33 1.59 - 11.1 11.4 14.8 18.7 18.6 17.1 13.9 13.9 7.3 8.70 7.1 0.64 0.3 7.1 18.7Iron Total Recoverable g/m3 2.46 4.85 1.35 2.6 2.9 9.9 13.7 14.7 18.8 18.8 19.8 21 17.1 16.8 10.1 12.3 9.8 4.4 0.3 9.8 21Lanthanum Dissolved g/m4 - - < 0.00010 <0.0002 < 0.00010 12.5 <0.0002 <0.0002 <0.0005 < 0.00010 < 0.0002 < 0.00010 <0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.0002Lanthanum Total Recoverable g/m5 - - < 0.00011 <0.00021 < 0.00011 - <0.00021 <0.00021 <0.00053 0.00025 < 0.00021 0.00023 0.00016 0.00015 < 0.00011 0.00011 < 0.00011 < 0.00011 NGV 0.00011 0.00025Lead Dissolved g/m3 0.00025 0.0028 < 0.00010 < 0.0002 < 0.00010 - < 0.0002 <0.0002 <0.0005 0.00015 < 0.0002 0.0001 <0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 0.0001 0.00015Lead Total Recoverable g/m3 0.03 0.15 0.0028 0.0036 0.0040 - 0.00136 0.00141 0.00175 0.00290 0.00330 0.00151 0.00016 0.00091 0.00124 0.00086 0.0021 0.00096 0.05 0.00016 0.0033Lithium Dissolved g/m3 0.015 0.021 0.03 0.033 0.036 #1 - 0.039 0.043 0.049 #1 0.042 #1 0.045 0.044 0.04 0.039 0.037 0.038 #1 0.031 0.024 #1 NGV 0.031 0.045Lithium Total Recoverable g/m3 0.015 0.02 0.03 0.043 0.032 #1 - 0.044 0.045 0.046 #1 0.037 #1 0.045 0.046 0.044 0.038 0.037 0.034 #1 0.032 0.021 #1 NGV 0.032 0.046Magnesium Dissolved g/m3 11.9 18 33 35 34 - 50 55#1 58 #1 45 #1 51 47 47#1 44#1 35 33 #1 29 22 NGV 29 51Magnesium Total Recoverable g/m3 14 19 31 37 34 50 54 52 #1 57 #1 40 #1 53 50 45#1 41#1 37 32 #1 34 24 NGV 34 53Manganese Dissolved g/m3 0.364 1.9 3.1 4.2 4.3 #1 - 6.0 6.2 6.9 6.5 #1 6.6 6.5 5.2 5.5 #1 3.9 4.1 3.7 #1 2 0.1 3.9 6.6Manganese Total Recoverable g/m3 1.388 1.8 3.2 4.3 4.0 #1 5.5 6.2 6.2 7.2 6.1 #1 6.7 6.8 5.3 5.3 #1 4.1 4.1 3.2 #1 2.2 0.1 4.1 6.8Mercury Dissolved g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 - < 0.00008 < 0.00008 <0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Mercury Total Recoverable g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 - < 0.00008 < 0.00008 <0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Molybdenum Dissolved g/m3 0.00027 0.00058 0.0007 0.0007 0.0006 - <0.0004 <0.0004 <0.0010 0.0004 #1 < 0.0004 0.0003 0.0003 0.0003 0.0004 0.0003 0.0004 #1 0.0003 NGV 0.0003 0.0004Molybdenum Total Recoverable g/m3 0.00036 0.00059 0.00083 0.0007 0.00060 - <0.00042 <0.00042 <0.0011 0.00034 #1 0.00051 0.00035 0.00035 0.00037 0.00037 0.00037 0.00035 #1 0.00035 NGV 0.00035 0.00051Nickel Dissolved g/m3 0.0186 0.025 0.036 0.044 0.042 - 0.059 0.058 0.074 0.051 0.053 0.053 0.043 #1 0.036 0.025 0.026 0.024 0.0156 0.1 0.024 0.053Nickel Total Recoverable g/m3 0.0195 0.025 0.039 0.044 0.044 - 0.065 0.064 0.074 0.057 0.057 0.055 0.042#1 0.042 0.03 0.027 0.025 0.0176 0.1 0.025 0.057Potassium Dissolved g/m3 0.85 1.2 1.41 #1 1.39 1.47 #1 - 1.82 1.68 1.8 1.69 1.75 1.46 1.58 1.56 1.56 1.34 1.64 1.20 #1 NGV 1.34 1.75Potassium Total Recoverable g/m3 0.94 1.1 1.36 #1 1.54 1.27 #1 - 1.88 1.85 1.85 1.76 1.82 2.1 1.71 1.67 1.60 1.51 1.72 1.15 #1 NGV 1.51 2.1Selenium Dissolved g/m3 < 0.0011 < 0.0053 < 0.0010 < 0.002 < 0.002 - <0.002 < 0.002 <0.005 < 0.0010 < 0.002 0.001 <0.001 < 0.0010 0.00 < 0.0010 < 0.0010 < 0.0010 0.01 0.001 0.001Selenium Total Recoverable g/m3 < 0.0021 0.0029 < 0.0011 < 0.0021 < 0.0021 - < 0.0021 < 0.0021 <0.0053 < 0.0021 < 0.0021 0.0012 <0.0011 < 0.0011 < 0.0011 < 0.0011 0.0015 < 0.0011 0.01 0.0012 0.0015Silver Dissolved g/m3 <0.0001 <0.0002 < 0.00010 < 0.0002 < 0.00010 - <0.0002 <0.0002 <0.0005 < 0.00010 < 0.0002 < 0.00010 < 0.0001 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 < 0.00010 < 0.0002Silver Total Recoverable g/m3 <0.0001 0.0003 < 0.00011 < 0.00022 < 0.00011 - < 0.00022 <0.0011 #2 <0.00053 < 0.00011 < 0.00022 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00022Sodium Dissolved g/m3 11 15 20 #1 21 23 #1 - 26 27 32 #1 26 26 21 25#1 23 21 22 #1 20 15.9 300 20 26Sodium Total Recoverable g/m3 11 14 19.8 #1 23 20 #1 - 30 28 29 #1 27 26 30 24 #1 23 21 21 #1 23 17.4 300 21 30Tin Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0010 < 0.0005 - <0.0010 <0.0010 <0.003 < 0.0005 < 0.0010 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 NGV 0 0Tin Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.0011 < 0.00053 - < 0.0011 < 0.0011 <0.0027 < 0.00053 < 0.0011 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 NGV 0 0Uranium Dissolved g/m3 < 0.000021 < 0.000021 0.00004 #1 < 0.00004 0.00003 - <0.000042 < 0.00004 <0.00010 < 0.00002 < 0.00004 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 NGV 0 0Uranium Total Recoverable g/m3 < 0.000021 < 0.000021 0.000028 #1 < 0.000042 0.000031 - < 0.000042 < 0.000042 <0.00011 < 0.000021 < 0.000042 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 NGV 0 0Zinc Dissolved g/m3 14.6 30 18.7 21 18.4 - 14.3 15.0 17.9 9.3 9.4 9 7.8 7.1 #1 4.3 4.7 4.4 1.94 5 4.3 9.4Zinc Total Recoverable g/m3

16.8 30 19.5 21 18.4 12.9 16.1 16.3 18.1 10.7 9.9 9.8 7.8 7.0 #14.9 5.1 4.7 2.6 5 4.7 10.7

Notes:"-" Parameter not measured#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 Anion/cation balanced outside DQOs#3 Sever matrix interferences required dilution before anlaysis, resulting in a higer detection limit than normal. #4 September sample 2014 was collected from base of treatment pond but data was not reported due because discharge from Adit 5 was not flowing into ponds.NGV: No guideline value



Contact Recreational Minimum MaximumMinimum Maximum

Baseline Data Level 5 Audit (SW5)



Sample Location ANZECC GuidelinesSample No. 12 A816 A973 F237 TK2 TK2 SW7 SW7 SW7Sampled By URS URS URS URS Sharplin Sharplin PDP 2009 PDP 2009 PDP 2009Sampling date 6/12/00 19/12/00 22/02/01 15/12/01 3/05/07 27/07/07 17/09/09 8/10/09 17/11/09Laboratory Number 154963/12 155596/11 158764/13 728224.5 734195.5 744474.15Flow Rate L/s - - - - 53.4 27 17.9 108.9 19.8 - 17.9 108.9Flow rate m3/sec - - - - 0.0534 0.0270 0.0179 0.1089 0.0198 - 0.0179 0.1089Field:Temperature (ºC) - - - - 13.1 10.3 11.89 10.27 11.36 15-33 10.27 13.1pH pH units - - - - 5.98 6.95 6.97 6.57 6.39 5.0-9.0 5.98 6.97Conductivity mS/m - - - - 27.6 19.1 30.07 15.68 34.6 NGV 15.68 34.6ORP mV - - - - - - 233 589 330 NGV 233 589Dissolved Oxygen mg/L - - - - 10.1 8.55 10.77 11.08 10.45 > 6.5 8.55 11.08Turbidity NTU - - - - - - <5 <5 5.4 NGV < 5 5.4Laboratory:pH pH units 6.8 7 6.8 6.9 - - 7.3 7.4 7 5.0-9.0 6.8 7.4Conductivity mS/m 40.2 47.8 35.7 26.1 - - 36.7 20.8 35.8 NGV 20.8 47.8

Total Suspended Solids g/m3 <3 <3 <3 4 - - < 3.0 < 3.0 < 3.0 NGV < 3 4Total Dissolved Silica g/m3 - - - - - - - - - NGV - -Total Cyanide g/m3 - - - - - - - - - 0.05 - -

Anions meq - - - - - - - - - NGV - -Cations meq - - - - - - - - - NGV - -Alkalinity g/m3 as CaCO3 24 32 23 16 - - - - - NGV 16 32

Bicarbonate g/m3 at 25°C - - - - 29.9 17.2 - - - NGV 17.2 29.9Total Hardness g/m3 as CaCO3 - - - - - - - - - 500 - -

Calcium g/m3 42.8 51.7 37.6 20.8 36.6 30 - - - NGV 20.8 51.7Magnesium g/m3 12.2 14.2 10 6.4 11 11 - - - NGV 6.4 14.2Potassium g/m3 1.12 1.18 1.02 - 0.91 0.6 - - - NGV 0.6 1.18Sodium g/m3 11.9 12.8 11.3 - 11.2 11 - - - 300 11 12.8Chloride g/m3 11.9 11 11.3 - 11.1 11 - - - 400 10.6 11.9Nitrite-N g/m3 - - - - - - - - - 1 - -

Nitrate-N g/m3 0.02 0.013 0.099 - - - - - - 10 0.013 0.099Nitrate-N+Nitrite-N g/m3 - - - - - - - - - NGV - -Sulphate g/m3

156 189 132 80.6 133 102.72 - - - 400 80.6 189Metals;Aluminium Dissolved g/m3 - - - - - - 0.16 0.084 0.055 0.2 0.055 0.16Aluminium Total Recoverable g/m3 - - - - - - 0.38 0.29 0.34 0.2 0.29 0.38Antimony Dissolved g/m3 - - - - - - 0.00022 < 0.00021 0.00074 NGV < 0.00021 0.00074Antimony Total Recoverable g/m3 - - - - - - 0.00027 0.00027 0.0013 NGV 0.00027 0.0013Arsenic Dissolved g/m3 - <0.001 <0.001 - <d.l. 0.000676 < 0.0011 < 0.0011 < 0.0011 0.05 <0.001 0.000676Arsenic Total Recoverable g/m3 <0.001 <0.001 <0.001 - <d.l. 0.00464 < 0.0011 0.0041 < 0.0011 0.05 <0.001 0.00464Barium Dissolved g/m3 - - - - - - 0.024 0.021 0.025 1 0.021 0.025Barium Total Recoverable g/m3 - - - - - - 0.024 0.023 0.025 1 0.023 0.025Beryllium Dissolved g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Beryllium Total Recoverable g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Boron Dissolved g/m3 - - - - - - 0.015 0.013 0.015 1 0.013 0.015Boron Total Recoverable g/m3 - - - - - - 0.016 0.014 0.017 1 0.014 0.017Cadmium Dissolved g/m3 - 0.0532 0.0639 0.0313 0.027 0.045 0.046 0.028 0.049 0.005 0.027 0.0639Cadmium Total Recoverable g/m3 0.0461 0.0542 0.0614 0.0329 0.027 0.0458 0.048 0.029 0.049 0.005 0.027 0.0614Calcium Dissolved g/m3 - - - - - - 36 18 36 NGV 18 36Calcium Total Recoverable g/m3 - - - - - - 37 19 36 NGV 19 37Chromium Dissolved g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Chromium Total Recoverable g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Copper Dissolved g/m3 - 0.0075 0.0101 0.0095 0.008 0.0015 0.021 0.02 0.0099 1 0.0015 0.021Copper Total Recoverable g/m3 0.0187 0.0176 0.0289 0.0651 0.02 0.06185 0.041 0.065 0.042 1 0.0176 0.0651Iron Dissolved g/m3 - <0.02 <0.02 <0.02 0.02 0.03268 0.16 0.037 < 0.021 0.3 0.02 0.16Iron Total Recoverable g/m3 0.11 0.12 0.17 0.83 0.299 0.841 0.41 0.41 0.55 0.3 0.11 0.841Lanthanum Dissolved g/m4 - - - - - - - - - NGV - -Lanthanum Total Recoverable g/m5 - - - - - - - - - NGV - -Lead Dissolved g/m3 - 0.0115 0.0095 0.0037 0.003 0.00249 0.014 0.012 0.0036 0.05 0.00249 0.014Lead Total Recoverable g/m3 0.0252 0.0251 0.0346 0.0688 0.01 0.02983 0.033 0.1 0.036 0.05 0.01 0.1Lithium Dissolved g/m3 - - - - - - 0.0095 0.0047 0.0092 NGV 0.0047 0.0095Lithium Total Recoverable g/m3 - - - - - - 0.0097 0.005 0.0098 NGV 0.005 0.0098Magnesium Dissolved g/m3 - - - - - - 11 5.5 10 NGV 5.5 11Magnesium Total Recoverable g/m3 - - - - - - 11 5.6 11 NGV 5.6 11Manganese Dissolved g/m3 - - - - 0.471 0.368 0.55 0.23 0.55 0.1 0.23 0.55Manganese Total Recoverable g/m3 - - - - 0.441 0.365 0.57 0.24 0.63 0.1 0.24 0.63Mercury Dissolved g/m3 - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.00008 < 0.00008Mercury Total Recoverable g/m3 - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.00008 < 0.00008Molybdenum Dissolved g/m3 - - - - - - < 0.00021 0.0045 < 0.00021 NGV < 0.00021 0.0045Molybdenum Total Recoverable g/m3 - - - - - - < 0.00021 0.005 0.00023 NGV < 0.00021 0.005Nickel Dissolved g/m3 - 0.0123 0.0094 0.0067 - - 0.011 0.0046 0.0094 0.1 0.0046 0.0123Nickel Total Recoverable g/m3 0.0106 0.0126 0.01 0.0069 - - 0.011 0.005 0.01 0.1 0.005 0.0126Potassium Dissolved g/m3 - - - - - - 0.99 1.6 0.94 NGV 0.94 1.6Potassium Total Recoverable g/m3 - - - - - - 1 1.8 1 NGV 1 1.8Selenium Dissolved g/m3 - - - - - - < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Selenium Total Recoverable g/m3 - - - - - - < 0.0011 < 0.0011 0.0012 0.01 < 0.0011 0.0012Silver Dissolved g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.0011 < 0.0011Silver Total Recoverable g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.0011 < 0.0011Sodium Dissolved g/m3 - - - - - - 11 9.5 12 300 9.5 12Sodium Total Recoverable g/m3 - - - - - - 11 9.6 12 300 9.6 12Tin Dissolved g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Tin Total Recoverable g/m3 - - - - - - < 0.00053 < 0.00053 0.00057 NGV < 0.00053 0.00057Uranium Dissolved g/m3 - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Uranium Total Recoverable g/m3 - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 - 7.11 7.79 4.13 6.02 6.155 6.6 3.9 6.8 5 3.9 7.79Zinc Total Recoverable g/m3

6.29 7.02 8.04 4.46 6.31 6.314 7 4.1 7.2 5 4.1 8.04

Notes:"-" Parameter not measured#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.NGV: No guideline value




Tunakohoia N Branch, Downstream (SW7)



Sample Location ANZECC GuidelinesSample No. SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7Sampled By PDP 2011 PDP 2011 PDP 2011 PDP 2012 PDP 2012 PDP 2012 PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP2014 PDP 2015 PDP 2015 PDP 2015Sampling date 6/09/11 11/10/11 8/11/11 6/09/12 17/10/12 15/11/12 25/12/45 17/03/68 12/12/94 24/09/14 22/10/14 13/11/14 23/09/15 15/10/15 11/11/15Laboratory Number 930978.3 943005.4 951502.3 1044859.2 1060297.3 1070611.1 1185572.3 1193690.3 1203456.3 1331057.3 1343005.3 1351548.3 1480296.4 1489960.3 1500740.3Flow Rate L/s 17.9 108.9 - - - - - - 137.9 24.4 26.2 61.7 10.2 13.4 37.1 20.8 9.8 - 9.8 137.9Flow rate m3/sec 0.0179 0.1089 0.0072 0.0471 0.0139 0.0392 0.0231 0.0131 0.1379 0.0244 0.0262 0.0617 0.0102 0.0134 0.0371 0.0208 0.0098 - 0.0098 0.1379Field:Temperature (ºC) 10.27 13.1 9.19 12.22 11.31 10.7 10.5 11.5 11.9 11.4 10.9 10.9 12.1 10.2 8.8 10.7 13 15-33 8.8 13pH pH units 5.98 6.97 7.10 5.76 5.81 7.29 7.33 7.02 7.14 7.49 6.87 7.2 6.59 6.91 7.99 7.76 7.47 5.0-9.0 6.59 7.99Conductivity mS/m 15.68 34.6 29.9 21.4 25.2 32.0 39.8 49.1 17.9 38.7 36.1 11.6 41.9 38.9 81.1 348.6 415.1 NGV 11.6 415.1ORP mV 233 589 259 286 392 308 226.8 200.8 180.1 139 302 192.3 218.7 205.2 174.9 124.6 141.5 NGV 124.6 302Dissolved Oxygen mg/L 8.55 11.08 11.92 12.14 11.15 10.91 9.39 11.59 11.31 11 10.26 11.9 12.29 11.8 11.58 10.94 10.04 > 6.5 10.04 12.29Turbidity NTU < 5 5.4 <5 2.7 <5 <5 <5 <5 4.6 6.0 5.8 1.0 0.7 1.0 1.02 1.60 0.7 NGV 0.66 6Laboratory:pH pH units 6.8 7.4 7.5 7 6.8 7.1 6.9 6.8 7 7.1 7 7.5 7.3 7 6.6 7.6 7.4 5.0-9.0 6.6 7.6Conductivity mS/m 20.8 47.8 30.4 20.9 31.2 31.5 40.1 49.9 18 39.1 36.2 24 41.5 39.7 31.9 36.4 42.1 NGV 18 42.1Total Suspended Solids g/m3 < 3 4 < 3 4 < 3 <3 <3 <3 3 <3 <3 < 3 <3 < 3 < 3 < 3 < 3 NGV 3 3Total Dissolved Silica g/m3 - - - - - - - - - - - - - - - - - NGV - -Total Cyanide g/m3 - - - - - - - - - - - - - - - - - 0.05 - -

Anions meq - - - - - - - - - - - - - - - - - NGV - -Cations meq - - - - - - - - - - - - - - - - - NGV - -

Alkalinity g/m3 as CaCO3 16 32 - - - - - - - - - - - - - - - NGV - -

Bicarbonate g/m3 at 25°C 17.2 29.9 - - - - - - - - - - - - - - - NGV - -

Total Hardness g/m3 as CaCO3 - - 107 72 113 118 154 230 55 150 138 81 168 159 106 138 166 500 55 168Calcium g/m3 20.8 51.7 - - - - - - - - - - - - - - - NGV - -Magnesium g/m3 6.4 14.2 - - - - - - - - - - - - - - - NGV - -Potassium g/m3 0.6 1.18 - - - - - - - - - - - - - - - NGV - -Sodium g/m3 11 12.8 - - - - - - - - - - - - - - - 300 - -Chloride g/m3 10.6 11.9 - - - - - - - - - - - - - - - 400 - -Nitrite-N g/m3 - - - - - - - - - - - - - - - - - 1 - -Nitrate-N g/m3 0.013 0.099 - - - - - - - - - - - - - - - 10 - -Nitrate-N+Nitrite-N g/m3 - - - - - - - - - - - - - - - - - NGV - -Sulphate g/m3

80.6 189 - - - - - - - - - - - - - - - 400 - -Metals;Aluminium Dissolved g/m3 0.055 0.16 0.05 0.189 0.110 0.087 0.082 0.080 0.088 0.043 0.055 0.045 0.051 0.078 0.041 0.04 0.029 0.2 0.029 0.088Aluminium Total Recoverable g/m3 0.29 0.38 0.36 0.39 0.189 0.27 0.164 0.22 0.145 0.091 0.092 0.086 0.077 0.163 0.091 0.062 0.045 0.2 0.045 0.163Antimony Dissolved g/m3 < 0.00021 0.00074 < 0.0002 < 0.0002 0.0002 < 0.0002 < 0.0002 0.0002 < 0.0002 < 0.0002 0.0002 < 0.0002 0.0002 < 0.0002 < 0.0002 < 0.0002 0.0002 NGV 0.0002 0.0002Antimony Total Recoverable g/m3 0.00027 0.0013 < 0.00021 0.00024 0.00025 <0.00021 <0.00021 0.00024 < 0.00021 < 0.00021 < 0.00021 < 0.00021 0.00026 0.00034 < 0.00021 < 0.00021 0.00024 NGV 0.00024 0.00034Arsenic Dissolved g/m3 <0.001 0.000676 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 <0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.05 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 <0.001 0.00464 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0011 < 0.0011Barium Dissolved g/m3 0.021 0.025 0.026 0.022 0.029 #1 0.026 #1 0.026 0.033 0.0167 0.024 0.025 #1 0.0164 0.017#1 0.023 0.0193 0.023 0.029 1 0.0164 0.029Barium Total Recoverable g/m3 0.023 0.025 0.027 0.024 0.028 #1 0.025 #1 0.028 0.034 0.0168 0.026 0.024 #1 0.0171 0.027 0.024 0.026 0.025 0.03 1 0.0168 0.03Beryllium Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.00010Beryllium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00053 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00053Boron Dissolved g/m3 0.013 0.015 0.015 #1 0.012 0.013 0.013 0.016 0.019 #1 0.013 0.016 #1 0.015 #1 0.013 #1 0.017 #1 0.023 #1 0.012 0.014 0.015 1 0.012 0.015Boron Total Recoverable g/m3 0.014 0.017 0.0129 #1 0.0148 0.0150 0.0149 0.0164 0.0167 #1 0.0132 0.0147 #1 0.0133 #1 0.0121 #1 0.0149 #1 0.0156 #1 0.0144 0.014 0.0156 1 0.0132 0.0156Cadmium Dissolved g/m3 0.027 0.0639 0.035 0.029 0.042 #1 0.027 0.023 0.028 0.0119 #1 0.0146 0.0158 0.0084 0.0141 #1 0.013 0.0102 0.0116 #1 0.0138 0.005 0.0084 0.0158Cadmium Total Recoverable g/m3 0.027 0.0614 0.035 0.031 0.039 #1 0.027 0.025 0.028 0.0113 #1 0.0157 0.016 0.0089 0.0135 #1 0.013 0.0115 0.0110 #1 0.0139 0.005 0.0089 0.016Calcium Dissolved g/m3 18 36 27 19 30 #1 32 43 64 #1 14.3 #1 42 39 21 46 44 28 38 47 #1 NGV 21 46Calcium Total Recoverable g/m3 19 37 28 19.7 29 #1 33 44 60 #1 14.2 #1 43 40 21 48 45 35 38 46 #1 NGV 21 48Chromium Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.05 < 0.0005 < 0.0005Chromium Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Copper Dissolved g/m3 0.0015 0.021 0.0117 0.027 0.0139 0.0105 0.0073 0.0074 0.0081 0.0033 0.0049 0.0038 0.0043 0.0065 0.0039 0.0038 0.003 1 0.003 0.0081Copper Total Recoverable g/m3 0.0176 0.0651 0.023 0.048 0.0190 0.0198 0.0104 0.0119 0.0138 0.0064 0.0061 0.0065 0.0053 0.0099 0.0069 0.0043 0.004 1 0.004 0.0138Iron Dissolved g/m3 0.02 0.16 < 0.02 0.05 < 0.02 < 0.02 <0.02 <0.02 0.06 < 0.02 < 0.02 < 0.02 < 0.02 0.02 < 0.02 < 0.02 < 0.02 0.3 0.02 0.06Iron Total Recoverable g/m3 0.11 0.841 0.025 0.167 0.021 0.084 0.058 0.038 0.2 0.46 0.05 0.087 0.032 0.142 0.06 0.027 < 0.021 0.3 0.027 0.46Lanthanum Dissolved g/m4 - - 0.00081 0.00079 0.00065 0.00048 0.00042 0.00051 0.00017 0.00016 0.00028 0.00015 0.00025 0.00031 0.00017 0.0002 0.00021 NGV 0.00015 0.00031Lanthanum Total Recoverable g/m5 - - 0.00129 0.00128 0.00081 0.00074 0.00064 0.00084 0.00028 0.00035 0.00035 0.00024 0.00031 0.00059 0.00028 0.00025 0.00025 NGV 0.00024 0.00059Lead Dissolved g/m3 0.00249 0.014 0.0059 0.023 0.0117 0.0067 0.0040 0.0029 0.0137 0.00109 0.0029 0.0039 0.00166 0.00189 0.0025 0.00189 0.00131 0.05 0.00109 0.0137Lead Total Recoverable g/m3 0.01 0.1 0.023 0.059 0.0184 0.022 0.0131 0.0127 0.034 0.0108 0.0063 0.0125 0.0037 0.0137 0.0095 0.0032 0.0024 0.05 0.0024 0.034Lithium Dissolved g/m3 0.0047 0.0095 0.0072 #1 0.0047 0.0064 0.0058 0.0066 0.0093 #1 0.0037 #1 0.0065 0.006 0.0044 0.0073 0.007 0.0059 0.0066 #1 0.0071 NGV 0.0044 0.0073Lithium Total Recoverable g/m3 0.005 0.0098 0.0070 #1 0.0057 0.0065 0.0065 0.0072 0.0079 #1 0.0034 #1 0.0069 0.0 0.0046 0.0 0.0 0.006 0.0064 #1 0.0072 NGV 0.0046 0.0075Magnesium Dissolved g/m3 5.5 11 9.8 6 9.0 9.0 11.2 16.0 #1 4.8 #1 11.2 9.6 6.6 12.6 12 8.9 10.7 12.0 #1 NGV 6.6 12.6Magnesium Total Recoverable g/m3 5.6 11 10 6 9.2 9.7 11.2 15.1 #1 4.7 #1 11.2 10.1 6.6 12.9 11.6 10.2 11 12.3 #1 NGV 6.6 12.9Manganese Dissolved g/m3 0.23 0.55 0.32 0.26 0.25 0.29 0.28 0.36 #1 0.093 0.2 0.180 #1 0.123 #1 0.12 0.193 0.074 0.080 #1 0.053 #1 0.1 0.074 0.2Manganese Total Recoverable g/m3 0.24 0.63 0.35 0.27 0.25 0.30 0.30 0.35 #1 0.104 0.22 0.179 #1 0.121 #1 0.127 0.2 0.096 0.079 #1

0.051 #1 0.1 0.096 0.22Mercury Dissolved g/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Mercury Total Recoverable g/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Molybdenum Dissolved g/m3 < 0.00021 0.0045 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 NGV < 0.0002 < 0.0002Molybdenum Total Recoverable g/m3 < 0.00021 0.005 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 0.00023 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Nickel Dissolved g/m3 0.0046 0.0123 0.0068 0.0053 0.0068 #1 0.0063 #1 0.0062 0.0078 0.0027 0.0051 0.0051 #1 0.0031 0.0049 0.0049 0.0034 0.0039 0.0037 0.1 0.0027 0.0051Nickel Total Recoverable g/m3 0.005 0.0126 0.0073 0.0055 0.0066 #1 0.0062 #1 0.0072 0.0081 0.003 0.0058 0.0047 #1 0.0034 0.0051 0.0051 0.0042 0.0039 0.0043 0.1 0.003 0.0058Potassium Dissolved g/m3 0.94 1.6 0.95 #1 0.87 0.92 #1 1.02 0.97 1.21 0.92 1.02 #1 0.9 0.7200 0.95 1.02 0.94 0.9400 1.16 NGV 0.72 1.16Potassium Total Recoverable g/m3 1 1.8 0.93 #1 0.95 0.83 #1 1.05 1.09 1.21 0.94 0.99 #1 1.04 0.81 1.02 1.09 1.06 1.02 1.25 NGV 0.81 1.25Selenium Dissolved g/m3 < 0.0011 < 0.0011 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.01 < 0.0010 < 0.0010Selenium Total Recoverable g/m3 < 0.0011 0.0012 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Silver Dissolved g/m3 < 0.0011 < 0.0011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 < 0.00010 < 0.00010Silver Total Recoverable g/m3 < 0.0011 < 0.0011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 9.5 12 11.7 #1 8.6 11.2 #1 10.5 11.3 14.7 #1 9.3 12.4 #1 11 11.0 #1 12.6 12.1 #1 11.2 13.1 #1 13.3 300 9.3 13.3Sodium Total Recoverable g/m3 9.6 12 11.1 #1 9.1 10.6 #1 11.4 11.5 13.9 #1 9.4 11.7 #1 12.8 9.8 #1 12.6 12 #1 12.3 12.8 #1 14.2 300 9.4 14.2Tin Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 NGV < 0.0005 < 0.0005Tin Total Recoverable g/m3 < 0.00053 0.00057 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 < 0.000021 < 0.000021 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 NGV < 0.00002 < 0.00002Uranium Total Recoverable g/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 3.9 7.79 5.2 #1 4.2 5.9 #1 4.0 3.3 4.0 #1 1.72 #1 2.4 #1 2.3 1.29 1.98 2.0 #1 1.54 1.76 #1 1.95 #1 5 1.29 2.3Zinc Total Recoverable g/m3

4.1 8.04 4.9 #14.2 5.4 #1 4.0 3.6 3.8 #1 1.71 #1 2.3 #1 2.3 1.3 1.99 1.98 #1 1.81 1.67 #1 1.81 #1 5 1.3 2.3



Table B-3: Water Quality Results for Tui Mine Monitoring at SW7Post Remediation Data


Baseline Data Tunakohoia N Branch, Downstream (SW7)



Sample Location ANZECC GuidelinesSample No. 11 A817 A972 SW8 SW8 SW8 SW8Sampled By URS URS URS URS URS URS PDP 2009 PDP 2009 PDP 2009Sampling date 25/03/98 20/05/98 6/12/00 19/12/00 22/02/01 17/09/09 8/10/09 17/11/09Laboratory Number 154963/11 155596/12 158764/12 728224.7 734195.7 744474.16Flow Rate L/s 25 123.7 38.2 - 25 123.7Flow rate m3/sec 0.0250 0.1237 0.0382 - 0.0250 0.1237Field:Temperature (ºC) - - - - - - 11.28 8.62 11.42 15-33 8.62 11.42pH pH units - - - - - 6.9 7.3 7.93 6.06 5.0-9.0 6.06 7.93Conductivity mS/m - - - - - 8.7 8.4 6 9 NGV 6 9ORP mV - - - - - - 242 796 350 NGV 242 796Dissolved Oxygen mg/L - - - - - - 10.7 11.42 12.4 >6.5 10.7 12.4Turbidity NTU - - - - - - < 5 < 5 1.6 NGV < 5 1.6Laboratory:pH pH units 7.1 7.2 6.8 7 6.9 - 7.7 7.7 7.3 5.0-9.0 6.8 7.7Conductivity mS/m 9.9 9.6 9.2 10.9 9.7 - 10.4 8.3 9.2 NGV 8.3 10.9

Total Suspended Solids g/m3 <3 <3 < 3 < 3 < 3 < 3 < 3.0 < 3.0 < 3.0 NGV < 3 < 3Total Dissolved Silica g/m3 - - - - - - - - - NGV - -

Total Cyanide g/m3 - - - - - - - - - 0.05 - -

Anions meq - - - - - - - - - NGV - -Cations meq - - - - - - - - - NGV - -Alkalinity g/m3 as CaCO3 15 14 13 18 14 12 - - - NGV 12 18

Bicarbonate g/m3 at 25°C - - - - - - - - - NGV - -Total Hardness g/m3 as CaCO3 - - - - - - - - - 500 - -

Calcium g/m3 6.5 6.97 6.12 7.38 6.75 5.07 - - - NGV 5.07 7.38Magnesium g/m3 2.31 2.66 2.18 2.58 2.36 1.89 - - - NGV 1.89 2.66Potassium g/m3 0.4 0.5 0.47 0.54 0.46 - - - - NGV 0.4 0.54Sodium g/m3 7.4 6.6 7.01 7.65 7.52 - - - - 300 6.6 7.65

Chloride g/m3 10.7 10.3 10.7 10.5 10.3 - - - - 400 10.3 10.7Nitrite-N g/m3 - - - - - - - - - 1 - -Nitrate-N g/m3 - - - - - - - - - 10 - -Nitrate-N+Nitrite-N g/m3 - - - - - - - - - NGV - -Sulphate g/m3

13 17 13.1 15.9 13.4 10.7 - - - 400 10.7 17Metals:Aluminium Dissolved g/m3 - - - - - - 0.016 0.051 0.03 0.2 0.016 0.051Aluminium Total Recoverable g/m3 - - - - - - 0.03 0.074 0.048 0.2 0.03 0.074Antimony Dissolved g/m3 - - - - - - < 0.00021 < 0.00021 0.00027 NGV < 0.00021 0.00027Antimony Total Recoverable g/m3 - - - - - - < 0.00021 < 0.00021 0.00066 NGV < 0.00021 0.00066Arsenic Dissolved g/m3 - - - <0.001 <0.001 - < 0.0011 < 0.0011 < 0.0011 0.05 <0.001 < 0.0011Arsenic Total Recoverable g/m3 - - <0.001 <0.001 <0.001 - < 0.0011 < 0.0011 < 0.0011 0.05 <0.002 < 0.0012Barium Dissolved g/m3 - - - - - - 0.0061 0.0054 0.0058 1 0.0054 0.0061Barium Total Recoverable g/m3 - - - - - - 0.0063 0.0063 0.0061 1 0.0061 0.0063Beryllium Dissolved g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Beryllium Total Recoverable g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Boron Dissolved g/m3 - - - - - - 0.0094 0.0095 0.01 1 0.0094 0.01Boron Total Recoverable g/m3 - - - - - - 0.0099 0.011 0.0087 1 0.0087 0.011Cadmium Dissolved g/m3 0.00005 <0.00005 - <0.00005 0.00005 0.00024 < 0.000053 < 0.000053 < 0.000053 0.005 <0.00005 0.00024Cadmium Total Recoverable g/m3 - - <0.00005 <0.00005 <0.00005 <0.00005 < 0.000053 < 0.000053 < 0.000053 0.005 <0.00005 < 0.000053Calcium Dissolved g/m3 - - - - - 5.07 6.6 5.1 6.4 NGV 5.07 6.6Calcium Total Recoverable g/m3 - - - - - - 6.9 5.5 6 NGV 5.5 6.9Chromium Dissolved g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 < 0.000053 < 0.000053Chromium Total Recoverable g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 < 0.000053 < 0.000053Copper Dissolved g/m3 0.0008 0.0008 - 0.0005 0.0011 0.0006 < 0.00053 < 0.00053 0.00063 1 < 0.00053 0.0011Copper Total Recoverable g/m3 - - 0.0012 0.0006 0.0007 0.0006 < 0.00053 0.0006 0.00076 1 < 0.00053 0.0012Iron Dissolved g/m3 0.00005 <0.00005 - <0.00005 0.00005 0.02 < 0.021 0.026 0.029 0.3 <0.00005 0.029Iron Total Recoverable g/m3 - - <0.00005 <0.00005 <0.00005 0.06 0.025 0.036 0.052 0.3 <0.00005 0.06Lanthanum Dissolved g/m4 - - - - - - - - - NGV - -Lanthanum Total Recoverable g/m5 - - - - - - - - - NGV - -Lead Dissolved g/m3 0.0001 <0.0001 - 0.0011 0.0001 0.0002 < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 0.0011Lead Total Recoverable g/m3 - - 0.0021 0.0002 0.0003 0.0003 < 0.00011 0.00036 0.00041 0.05 < 0.00011 0.0021Lithium Dissolved g/m3 - - - - - - 0.00051 0.0007 0.0005 NGV 0.0005 0.0007Lithium Total Recoverable g/m3 - - - - - - 0.00059 0.00079 0.00059 NGV 0.00059 0.00079Magnesium Dissolved g/m3 - - - - - 1.89 2.6 2 2.3 NGV 1.89 2.6Magnesium Total Recoverable g/m3 - - - - - - 2.7 2.1 2 NGV 2 2.7Manganese Dissolved g/m3 - - - - - - < 0.00053 0.0014 0.0011 0.1 < 0.00053 0.0014Manganese Total Recoverable g/m3 - - - - - - 0.0014 0.0028 0.0019 0.1 0.0014 0.0028Mercury Dissolved g/m3 - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Mercury Total Recoverable g/m3 - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Molybdenum Dissolved g/m3 - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Molybdenum Total Recoverable g/m3 - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Nickel Dissolved g/m3 - - - <0.0005 <0.0005 <0.0005 < 0.00053 < 0.00053 < 0.00053 0.1 <0.00005 < 0.000053Nickel Total Recoverable g/m3 - - 0.0009 <0.0005 <0.0005 <0.0005 < 0.00053 < 0.00053 < 0.00053 0.1 <0.0005 0.0009Potassium Dissolved g/m3 - - - - - - 0.51 0.45 0.46 NGV 0.45 0.51Potassium Total Recoverable g/m3 - - - - - - 0.53 0.49 0.45 NGV 0.45 0.53Selenium Dissolved g/m3 - - - - - - < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Selenium Total Recoverable g/m3 - - - - - - < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Silver Dissolved g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Silver Total Recoverable g/m3 - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 - - - - - - 7.9 7 7.8 300 7 7.9Sodium Total Recoverable g/m3 - - - - - - 8.1 7.3 7.2 300 7.2 8.1Tin Dissolved g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Tin Total Recoverable g/m3 - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Uranium Total Recoverable g/m3 - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 0.009 0.002 - 0.016 0.015 0.017 0.0017 #1 0.0015 <0.0011 5 0.0015 0.017Zinc Total Recoverable g/m3

- - 0.01 0.003 0.002 0.001 0.0013 #1< 0.0011 0.0024 5 0.001 0.01



Baseline DataTable B-4a: Water Quality Results for Tui Mine Monitoring at SW8 (Baseline data)


Town Supply (SW8)Tunakohoia S Branch, Downstream (SW8)



Sample Location ANZECC GuidelinesSample No. SW8 SW8 SW8 SW8 SW8 SW8 SW8 SW8 SW8 SW8 SW8 SW8 SW8 SW8 SW8Sampled By PDP 2012 PDP 2012 PDP 2012 PDP 2013 PDP 2013 PDP 2013 PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015Sampling date 6/09/12 17/10/12 15/11/12 26/09/13 17/10/13 13/11/13 26/09/13 17/10/13 13/11/13 24/09/14 22/10/14 13/11/14 23/09/15 15/10/15 11/11/15Laboratory Number 1044859.3 1060297.4 1070611.2 1185572.4 1193690.4 1203456.4 1185572.4 1193690.4 1203456.4 1331057.4 1343005.4 1351548.4 1480296.3 1489960.4 1500740.4Flow Rate L/s 25 123.7 - - - - - - 126 31.2 25.9 70.4 15.5 35.7 20.5 22.7 9.9 - 9.9 126Flow rate m3/sec 0.0250 0.1237 0.0077 0.0070 0.0116 0.1260 0.0312 0.0259 0.1260 0.0312 0.0259 0.0704 0.0155 0.0357 0.0205 0.0227 0.0099 - 0.0099 0.126Field:Temperature (ºC) 8.62 11.42 9.7 9.7 11 11.3 10.7 11.5 11.3 10.7 11.5 9.4 11.7 9.2 10 10.6 13.5 15-33 9.2 13.5pH pH units 6.06 7.93 7.26 7.02 6.63 7.77 7.23 7.5 7.77 7.23 7.5 7.44 7.17 7.23 7.17 7.76 7.16 5.0-9.0 7.16 7.77Conductivity mS/m 6 9 8.5 8.9 9.48 7.9 9.1 9.3 7.9 9.1 9.3 8.57 10.33 9.11 303.6 90.6 105.6 NGV 7.9 303.6ORP mV 242 796 202 234.6 216.3 152.2 153.8 285 152.2 153.8 285 157.6 197.5 192.8 224.7 82.4 119.7 NGV 82.4 285Dissolved Oxygen mg/L 10.7 12.4 11.9 9.74 11.57 10.41 10.71 10.52 10.41 10.71 10.52 12.38 13.01 11.48 10.18 10.83 8.98 >6.5 8.98 13.01Turbidity NTU <5 1.6 2.0 <5 <5 2.7 2.4 5.2 2.7 2.4 5.2 <1 1.5 1.0 0.41 0.98 1.6 NGV 0.41 5.2Laboratory:pH pH units 6.8 7.7 7.4 6.9 7.2 7.3 7.3 7.3 7.3 7.3 7.3 7.5 7.5 7.4 7.6 7.1 7.7 5.0-9.0 7.1 7.7Conductivity mS/m 8.3 10.9 8.4 8.7 10.6 7.9 9.1 9.3 7.9 9.1 9.3 8.6 10.3 9 8.4 9.4 10.7 NGV 7.9 10.7Total Suspended Solids g/m3 <3 <3 <3 <3 <3 <3 <3 3 <3 <3 3 <3 4 < 3 < 3 < 3 < 3 NGV 3 4Total Dissolved Silica g/m3 - - - - - - - - - - - - - - - - - NGV - -Total Cyanide g/m3 - - - - - - - - - - - - - - - - - 0.05 - -

Anions meq - - - - - - - - - - - - - - - - - NGV - -Cations meq - - - - - - - - - - - - - - - - - NGV - -

Alkalinity g/m3 as CaCO3 12 18 - - - - - - - - - - - - - - - NGV - -

Bicarbonate g/m3 at 25°C - - - - - - - - - - - - - - - - - NGV - -

Total Hardness g/m3 as CaCO3 - - 23 23 31 17.8 23 25 17.8 23 25 21 28 24 21 25 30 500 17.8 30Calcium g/m3 5.07 7.38 - - - - - - - - - - - - 5.2 6.3 7.7 NGV 5.2 7.7Magnesium g/m3 1.89 2.66 - - - - - - - - - - - - 2.3 2.4 2.8 NGV 2.3 2.8Potassium g/m3 0.4 0.54 - - - - - - - - - - - - 0.47 0.43 0.56 NGV 0.43 0.56Sodium g/m3 6.6 7.65 - - - - - - - - - - - - 7.3 7.1 #1 8.5 300 7.3 8.5Chloride g/m3 10.3 10.7 - - - - - - - - - - - - - - - 400 - -Nitrite-N g/m3 - - - - - - - - - - - - - - - - - 1 - -Nitrate-N g/m3 - - - - - - - - - - - - - - - - - 10 - -Nitrate-N+Nitrite-N g/m3 - - - - - - - - - - - - - - - - - NGV - -Sulphate g/m3

10.7 17 - - - - - - - - - - - - - - - 400 - -Metals:Aluminium Dissolved g/m3 0.016 0.051 0.039 0.020 0.020 0.064 0.017 0.016 0.064 0.017 0.016 0.031 0.018 0.026 0.041 0.025 0.016 0.2 0.016 0.064Aluminium Total Recoverable g/m3 0.03 0.074 0.078 0.053 0.047 0.109 0.071 0.052 0.109 0.071 0.052 0.059 0.064 0.059 0.072 0.053 0.04 0.2 0.04 0.109Antimony Dissolved g/m3 < 0.00021 0.00027 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 NGV < 0.0002 < 0.0002Antimony Total Recoverable g/m3 < 0.00021 0.00066 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Arsenic Dissolved g/m3 <0.001 < 0.0011 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.05 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 <0.002 < 0.0012 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0011 < 0.0011Barium Dissolved g/m3 0.0054 0.0061 0.0052 0.0050 0.0066 0.0053 0.0055 0.0062 #1 0.0053 0.0055 0.0062 #1 0.0054 0.0071 0.0057 0.0048 0.0057 0.007 1 0.0048 0.0071Barium Total Recoverable g/m3 0.0061 0.0063 0.0052 0.0059 0.0070 0.0055 0.0062 0.0059 #1 0.0055 0.0062 0.0059 #1 0.0059 0.0072 0.0058 0.0060 0.0065 0.0074 1 0.0055 0.0074Beryllium Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV 0 0Beryllium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00053 < 0.00011 < 0.00011 NGV 0 0Boron Dissolved g/m3 0.0094 0.01 0.009 0.008 0.009 0.01 0.011 #1 0.010 #1 0.01 0.011 #1 0.010 #1 0.009 0.010 #1 0.015 #2 0.007 0.010 #1 0.01 1 0.007 0.01Boron Total Recoverable g/m3 0.0087 0.011 0.0092 0.0096 0.0104 0.0105 0.0082 #1 0.0086 #1 0.0105 0.0082 #1 0.0086 #1 0.009 0.0090 #1 0.0078 #2 0.0092 0.0086 #1 0.0102 1 0.009 0.0105Cadmium Dissolved g/m3 <0.00005 0.00024 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 0.005 < 0.00005 < 0.00005Cadmium Total Recoverable g/m3 <0.00005 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 0.005 < 0.000053 < 0.000053Calcium Dissolved g/m3 5.07 6.6 5.4 5.9 7.9 #1 4.4 5.7 6.4 4.4 5.7 6.4 5.3 7.1 6.1 5.2 6.3 7.7 NGV 4.4 7.7Calcium Total Recoverable g/m3 5.5 6.9 5.5 6.2 7.4 #1 4.6 5.9 6.4 4.6 5.9 6.4 5.3 7.3 6 6.2 6.5 7.7 NGV 4.6 7.7Chromium Dissolved g/m3 < 0.000053 < 0.000053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.05 < 0.0005 < 0.0005Chromium Total Recoverable g/m3 < 0.000053 < 0.000053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Copper Dissolved g/m3 < 0.00053 0.0011 0.0006 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.0007 #1 0.001 0.0005 < 0.0005 < 0.0005 1 0.0005 0.001Copper Total Recoverable g/m3 < 0.00053 0.0012 0.00058 0.00056 < 0.00053 0.00056 0.00054 < 0.00053 0.00056 0.00054 < 0.00053 < 0.0005 < 0.00053 #1 0.00077 0.00068 0.0006 < 0.00053 1 0.00054 0.00077Iron Dissolved g/m3 <0.00005 0.029 0.02 <0.02 <0.02 0.03 < 0.02 < 0.02 0.03 < 0.02 < 0.02 0.02 < 0.02 0.03 0.03 < 0.02 < 0.02 0.3 0.02 0.03Iron Total Recoverable g/m3 <0.00005 0.06 0.058 0.053 <0.21 0.095 0.077 0.055 0.095 0.077 0.055 0.046 0.056 0.061 0.07 0.064 0.048 0.3 0.046 0.095Lanthanum Dissolved g/m4 - - 0.00012 < 0.00010 < 0.00010 0.00010 < 0.00010 < 0.00010 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.0001 0.00012 0.00011 < 0.00010 NGV 0.0001 0.00012Lanthanum Total Recoverable g/m5 - - 0.00014 0.00012 < 0.00011 0.00013 < 0.00011 < 0.00011 0.00013 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.00013 0.00017 0.00013 < 0.00011 NGV 0.00013 0.00017Lead Dissolved g/m3 < 0.00011 0.0011 < 0.00010 < 0.00010 < 0.00010 0.00014 < 0.00010 < 0.00010 0.00014 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.00014 0.00012 < 0.00010 < 0.00010 0.05 0.00012 0.00014Lead Total Recoverable g/m3 < 0.00011 0.0021 0.00016 0.00022 < 0.00011 0.00032 0.00016 0.00013 0.00032 0.00016 0.00013 0.00018 0.00015 0.00022 0.00021 0.00014 < 0.00011 0.05 0.00013 0.00032Lithium Dissolved g/m3 0.0005 0.0007 0.0006 0.0006 0.0007 #1 0.0007 0.0006 0.0006 0.0007 0.0006 0.0006 0.0007 0.0006 0.0006 0.0006 #1 0.0007 #1 0.0007 NGV 0.0006 0.0007Lithium Total Recoverable g/m3 0.00059 0.00079 0.00070 0.00067 0.00062 #1 0.00077 0.00069 0.00065 0.00077 0.00069 0.00065 0.00076 0.00076 0.00056 0.00059 #1 0.00064 #1 0.0007 NGV 0.00056 0.00077Magnesium Dissolved g/m3 1.89 2.6 2.2 2.1 2.8 #1 1.64 2.1 2.2 1.64 2.1 2.2 1.87 2.5 2.2 2 2.2 2.6 NGV 1.64 2.6Magnesium Total Recoverable g/m3 2 2.7 2.2 2.3 2.5 #1 1.73 2.2 2.2 1.73 2.2 2.2 2 2.5 2.1 2.3 2.4 2.8 NGV 1.73 2.8Manganese Dissolved g/m3 < 0.00053 0.0014 0.0026 0.0014 0.0012 0.0012 0.0014 0.0009 0.0012 0.0014 0.0009 0.0008 0.0007 0.0009 0.0009 0.0006 0.0005 0.1 0.0005 0.0014Manganese Total Recoverable g/m3 0.0014 0.0028 0.0042 0.0036 0.0035 0.005 0.0044 0.0035 0.005 0.0044 0.0035 0.0029 0.0038 0.0032 0.0031 0.0022 0.0023 0.1 0.0022 0.005Mercury Dissolved g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Mercury Total Recoverable g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Molybdenum Dissolved g/m3 < 0.00021 < 0.00021 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 NGV < 0.0002 < 0.0002Molybdenum Total Recoverable g/m3 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Nickel Dissolved g/m3 <0.00005 < 0.000053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.1 < 0.0005 < 0.0005Nickel Total Recoverable g/m3 <0.0005 0.0009 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.0034 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.1 0.0034 0.0034Potassium Dissolved g/m3 0.45 0.51 0.55 0.42 0.55 0.49 0.45 0.44 0.49 0.45 0.44 0.37 0.44 0.43 0.41 0.41 0.55 NGV 0.37 0.55Potassium Total Recoverable g/m3 0.45 0.53 0.56 0.53 0.56 0.5 0.45 0.52 0.5 0.45 0.52 0.46 0.48 0.45 0.47 0.43 0.56 NGV 0.43 0.56Selenium Dissolved g/m3 < 0.0011 < 0.0011 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.01 < 0.0010 < 0.0010Selenium Total Recoverable g/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Silver Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 < 0.00010 < 0.00010Silver Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 7 7.9 7.2 6.7 8.9 #1 7.1 7.4 #1 7.4 7.1 7.4 #1 7.4 8.0 #1 7.9 #1 6.8 6.5 7.8 #1 7.9 300 6.5 7.9Sodium Total Recoverable g/m3 7.2 8.1 7.3 7.0 8.1 #1 7.3 7.2 #1 8.5 7.3 7.2 #1 8.5 7.5 #1 7.8 #1 6.9 7.3 7.1 #1 8.5 300 6.9 8.5Tin Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 NGV < 0.0005 < 0.0005Tin Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 < 0.000021 < 0.000021 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 NGV < 0.00002 < 0.00002Uranium Total Recoverable g/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 0.0015 0.017 < 0.0010 < 0.0010 < 0.0010 0.0015 0.0011 #1 0.0016 #1 0.0015 0.0011 #1 0.0016 #1 0.0011 0.0022 #1 0.0034 #1 0.0012 0.0013 #1 0.0020 #1 5 0.0011 0.0015Zinc Total Recoverable g/m3

0.001 0.01 <0.0011 0.0045 <0.0011 0.0022 < 0.0011 #1 0.0012 #1 0.0022 < 0.0011 #1 0.0012 #1 0.0019 0.0017 #1 0.0026 #1 0.002 0.0012 #1 0.0012 #1 5 0.0019 0.0022



Table B-4b: Water Quality Results for Tui Mine Monitoring at SW8Post Remediation Data


Baseline Data Town Supply (SW8)



Sample Location ANZECC GuidelinesSample No. 06 A814 A969 F240 TD2 TD2 TD2 SW11 SW11 SW11Sampled By URS URS URS URS URS URS Sharplin Sharplin Sharplin PDP 2009 PDP 2009 PDP 2009Sampling date 25/03/98 20/05/98 6/12/00 19/12/00 22/02/01 15/12/01 30/01/07 3/05/07 27/07/07 18/09/09 8/10/09 17/11/09Laboratory Number 154963/6 155596/9 158764/9 728224.9 734195.9 744474.5Flow rate L/s - - - - - - 0.163 0.141 5.27 1.2 2 1.1101 - 0.141 5.27Flow rate m3/sec - - - - - - 0.000163 0.000141 0.00527 0.0012 0.002 0.0011 - 0.000141 0.00527Field:Temperature (ºC) - - - - - - 16.3 14.9 11.1 12.37 11.70 13.95 15-33 11.1 16.3pH pH units - - - - - - 3.38 3.27 2.91 3.29 3.04 3.36 5.0-9.0 2.91 3.38Conductivity mS/m - - - - - - 107 104 101 52.9 61.8 69.3 NGV 52.9 107ORP mV - - - - - - - - - 496 516 477 NGV 477 516Dissolved Oxygen mg/L - - - - - - 3.25 2.29 5.95 10.31 9.33 10.84 > 6.5 2.29 10.84Turbidity NTU - - - - - - - - - <5 <5 5 NGV 5 5Laboratory:pH pH units 3.6 3.5 3.7 3.6 3.5 3.9 - - - 3.2 3.2 3.3 5.0-9.0 3.2 3.3Conductivity mS/m 42.5 49 52 56.5 58.4 - - - - 72.2 82.1 71.9 NGV 71.9 82.1Total Suspended Solids g/m3 4 8 4 4 5 8 - - - 24 11 25 NGV 11 25Total Dissolved Silica g/m3 - - - - - - - - - - - - NGV - -Total Cyanide g/m3 - - - - - - - - - 0.0022 0.0025 0.0026 0.05 0.0022 0.0026

Anions meq - - - - - - - - - - - - NGV - -Cations meq - - - - - - - - - - - - NGV - -Alkalinity (mg/L as CaCO3) < 1 < 1 < 1 < 1 < 1 < 1 - - - NGV - -Bicarbonate (mg/L as CaCO3) - - - - - - - - - - - - NGV - -Total Hardness (mg/L as CaCO3) - - - - - - - - - - - - 500 - -

Calcium g/m3 22 26.4 28 27.3 29.7 21.1 42.7 43 42 - - - NGV - -Magnesium g/m3 10.2 12.5 14.5 14.4 15.4 8.64 30.4 30 30 - - - NGV - -Potassium g/m3 1.2 1.6 1.48 1.44 1.62 - 2.7 2.5 2.6 - - - NGV - -Sodium g/m3 10.5 10.1 10.8 10.6 11.8 - 10.4 10 10 - - - 300 - -Chloride g/m3 12 11.9 14.1 12.5 12.5 - 10.5 11 11 - - - 400 - -Nitrite-N g/m3 - - - - - - - - - - - - 1 - -Nitrate-N g/m3 - - 0.34 0.3 0.31 - - - 10 - -Nitrate-N+Nitrite-N g/m3 - - - - - - - - - - - - NGV - -Sulphate g/m3

158 184 242 227 239 153 731 661 703 - - - 400 - -Metals Aluminium Dissolved g/m3 - - - - - - - - - 10 14 10 0.2 10 14Aluminium Total Recoverable g/m3 - - - - - - - - - 10 14 12 0.2 10 14Antimony Dissolved g/m3 - - - - - - - - - 0.00044 0.00072 0.00039 NGV 0.00039 0.00072Antimony Total Recoverable g/m3 - - - - - - - - - 0.00055 0.00077 0.00041 NGV 0.00041 0.00077Arsenic Dissolved g/m3 - - 0.001 <0.001 0.001 <0.001 0.03 0.11 0.03 0.018 0.026 0.012 0.05 0.012 0.11Arsenic Total Recoverable g/m3 - - 0.003 0.002 0.002 0.004 0.16 0.133 0.03 0.023 0.028 0.014 0.05 0.014 0.16Barium Dissolved g/m3 - - - - - - - - - 0.03 0.031 0.033 1 0.03 0.033Barium Total Recoverable g/m3 - - - - - - - - - 0.031 0.03 0.031 1 0.03 0.031Beryllium Dissolved g/m3 - - - - - - - - - 0.00062 0.0008 0.00067 NGV 0.00062 0.0008Beryllium Total Recoverable g/m3 - - - - - - - - - 0.00058 0.00072 0.0007 NGV 0.00058 0.00072Boron Dissolved g/m3 - - - - - - - - - 0.012 0.012 0.013 1 0.012 0.013Boron Total Recoverable g/m3 - - - - - - - - - 0.011 0.011 0.014 1 0.011 0.014Cadmium Dissolved g/m3 0.0367 0.0428 0.0708 0.0692 0.0709 0.0338 0.16 0.18 0.2 0.11 0.14 0.12 0.005 0.11 0.2Cadmium Total Recoverable g/m3 - - 0.0688 0.0695 0.0649 0.0325 0.15 0.17 0.2 0.11 0.14 0.11 0.005 0.11 0.2Calcium Dissolved g/m3 - - - - - 21.1 - - - 26 24 25 NGV 24 26Calcium Total Recoverable g/m3 - - - - - - - - - 25 23 26 NGV 23 26Chromium Dissolved g/m3 - - - - - - - - - 0.0028 0.0037 0.003 0.05 0.0028 0.0037Chromium Total Recoverable g/m3 - - - - - - - - - 0.0027 0.0037 0.003 0.05 0.0027 0.0037Copper Dissolved g/m3 0.222 0.234 0.403 0.419 0.342 0.245 0.78 0.9 4 0.96 1.7 0.97 1 0.78 4Copper Total Recoverable g/m3 - - 0.415 0.426 0.347 0.252 0.78 0.9 4.4 1 1.6 0.99 1 0.78 4.4Iron Dissolved g/m3 2.07 2.82 1.25 1 1.97 1.72 104 114 77 20 26 17 0.3 17 114Iron Total Recoverable g/m3 - - 2.39 1.67 3.11 3.73 103 119 78 22 26 19 0.3 19 119Lanthanum Dissolved g/m4 - - - - - - - - - - - - NGV - -Lanthanum Total Recoverable g/m5 - - - - - - - - - - - - NGV - -Lead Dissolved g/m3 0.293 0.354 0.302 0.418 0.405 0.187 2.7 2.2 1.4 0.71 0.89 0.87 0.05 0.71 2.7Lead Total Recoverable g/m3 - - 0.314 0.406 0.428 0.219 2.8 2.2 1.7 0.77 0.91 0.87 0.05 0.77 2.8Lithium Dissolved g/m3 - - - - - - - - - 0.017 0.022 0.021 NGV 0.017 0.022Lithium Total Recoverable g/m3 - - - - - - - - - 0.016 0.021 0.021 NGV 0.016 0.021Magnesium Dissolved g/m3 10.2 12.5 14.5 14.4 15.4 8.64 - - - 13 15 14 NGV 13 15Magnesium Total Recoverable g/m3 - - - - - - - - - 13 15 15 NGV 13 15Manganese Dissolved g/m3 - - - - - - 18 17 10 5.4 6.9 5.9 0.1 5.4 18Manganese Total Recoverable g/m3 - - - - - - 19 18 11 5.5 6.7 6.1 0.1 5.5 19Mercury Dissolved g/m3 - - - - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Mercury Total Recoverable g/m3 - - - - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Molybdenum Dissolved g/m3 - - - - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Molybdenum Total Recoverable g/m3 - - - - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Nickel Dissolved g/m3 - - 0.0444 0.0451 0.0478 0.0176 - - - 0.054 0.066 0.053 0.1 0.053 0.066Nickel Total Recoverable g/m3 - - 0.0439 0.0453 0.0473 0.0178 - - - 0.054 0.065 0.054 0.1 0.054 0.065Potassium Dissolved g/m3 - - - - - - - - - 1.4 1.5 1.5 NGV 1.4 1.5Potassium Total Recoverable g/m3 - - - - - - - - - 1.4 1.4 1.5 NGV 1.4 1.5Selenium Dissolved g/m3 - - - - - - - - - 0.0022 < 0.0053 < 0.0021 0.01 0.0022 0.0022Selenium Total Recoverable g/m3 - - - - - - - - - 0.0022 < 0.0053 0.0024 0.01 0.0022 0.0024Silver Dissolved g/m3 - - - - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Silver Total Recoverable g/m3 - - - - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 - - - - - - - - - 9.3 9.4 11 300 9.3 11Sodium Total Recoverable g/m3 - - - - - - - - - 9 8.9 11 300 8.9 11Tin Dissolved g/m3 - - - - - - - - - 0.00079 < 0.00053 < 0.00053 NGV 0.00079 0.00079Tin Total Recoverable g/m3 - - - - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 - - - - - - - - - 0.00018 0.00023 0.00023 NGV 0.00018 0.00023Uranium Total Recoverable g/m3 - - - - - - - - - 0.0002 0.00024 0.00022 NGV 0.0002 0.00024Zinc Dissolved g/m3 6.58 9.82 14.3 13.4 14.7 6.58 44 46 46 19 25 20 5 19 46Zinc Total Recoverable g/m3

- - 13.9 14.3 14.4 6.66 44 46 47 19 25 20 5 19 47

Notes:"-" Parameter not measuredAnion/cation balanced outside DQOs#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, and outside analytical variation of the methods. Confirmed by repeat analysis.NGV: No guideline value

EC reading outside of DQO. Field measurements appears to be to low based on calculated EC of dissolved metals.


Baseline Data

Table B-5a: Water Quality Results for Tui Mine Monitoring at SW11

Minimum MaximumContact Recreational

Tailings Drainage, Tui Tributary (SW11)



Sample Location ANZECC GuidelinesSample No. SW11 SW11 SW11 SW11 SW11 SW11 SW11 SW11 SW11Sampled By PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015Sampling date 26/09/13 17/10/13 13/11/13 24/09/14 22/10/14 13/11/14 23/09/15 15/10/15 11/11/15Laboratory Number 1185572.5 1193690.5 1203456.5 1331057.5 1343005.5 1351548.5 1480296.5 1489960.5 1500740.5Flow rate L/s 0.141 5.27 2.8862 0.0775 0.2318 0.4953 0.2136 1.0168 0.4385 0.1354 0.1354 - 0.0775 2.8862Flow rate m3/sec 0.000141 0.00527 0.0029 0.0001 0.0002 0.0005 0.0002 0.0010 0.0004 0.0001 0.0001 - 0.0001 0.0029Field:Temperature (ºC) 11.1 16.3 12.6 13.00 14.3 12 13.3 12.5 10.8 12.8 15.1 15-33 10.8 15.1pH pH units 2.91 3.38 6.5 7.95 6.83 6.81 6.74 7.6 5.84 7.76 6.81 5.0-9.0 5.84 7.95Conductivity mS/m 52.9 107 50.9 1.88 71 56.3 65.3 52.3 5055.5 596.2 576 NGV 1.88 5055.5ORP mV 477 516 92.4 182 62 46.1 71 3.9 83.1 5.5 3.3 NGV 3.3 182Dissolved Oxygen mg/L 2.29 10.84 8.76 8.5 7.47 8.92 7.1 9.58 8.68 9.12 8.02 > 6.5 7.1 9.58Turbidity NTU 5 5 11.3 35.2 35 7 7.38 4 11.5 41.7 5.8 NGV 4 41.7Laboratory:pH pH units 3.2 3.3 6.3 6.6 6.8 6.6 6.8 7.5 6.2 6.1 6.7 5.0-9.0 6.1 7.5Conductivity mS/m 71.9 82.1 48.9 72.8 68.7 54.9 63.6 52.2 50.4 61.1 57.4 NGV 48.9 72.8Total Suspended Solids g/m3 11 25 24 32 26 16 18 5 21 24 11 NGV 5 32Total Dissolved Silica g/m3 - - - - - - - - - NGV - -Total Cyanide g/m3 0.0022 0.0026 0.0024 0.005 - 0.0036 0.0055 0.0034 0.0028 0.005 0.003 0.05 0.0024 0.0055

Anions meq - - - - - - - - NGV - -Cations meq - - - - - - - - NGV - -Alkalinity (mg/L as CaCO3) - - - - - - - - NGV - -Bicarbonate (mg/L as CaCO3) - - - - - - - - NGV - -Total Hardness (mg/L as CaCO3) - - 186 260 250 200 230 230 192 210 210 500 186 260

Calcium g/m3 - - - - - - 54 63 61 NGV 54 63Magnesium g/m3 - - - - - - 13.9 #1 14.3 #1 14.6 NGV 14.6 14.6Potassium g/m3 - - - - - - 4.2 #1 6.6 5.5 NGV 5.5 6.6Sodium g/m3 - - - - - - 12.4 #1 14.8 #1 15.5 300 15.5 15.5Chloride g/m3 - - - - - - - - 400 - -Nitrite-N g/m3 - - - - - - - - 1 - -Nitrate-N g/m3 - - - - - - - - 10 - -Nitrate-N+Nitrite-N g/m3 - - - - - - - - NGV - -Sulphate g/m3

- - - - - - - - 400 - -Metals Aluminium Dissolved g/m3 10 14 0.012 0.016 0.012 0.012 0.016 0.023 0.008 0.009 0.013 0.2 0.008 0.023Aluminium Total Recoverable g/m3 10 14 1.53 1.78 0.96 1.05 1.13 0.25 1.16 1.61 0.89 0.2 0.25 1.78Antimony Dissolved g/m3 0.00039 0.00072 0.0022 0.0012 0.0009 0.001 0.0009 0.0017 0.0009 0.0007 0.0005 NGV 0.0005 0.0022Antimony Total Recoverable g/m3 0.00041 0.00077 0.0033 0.00131 0.00104 0.00103 0.00097 0.00178 0.00098 0.0009 0.00051 NGV 0.00051 0.0033Arsenic Dissolved g/m3 0.012 0.11 0.005 0.0166 0.0135 0.0188 0.024 0.007 0.0132 0.023 0.0169 0.05 0.005 0.024Arsenic Total Recoverable g/m3 0.014 0.16 0.018 0.031 0.022 0.029 0.033 0.0095 0.029 0.041 0.025 0.05 0.0095 0.041Barium Dissolved g/m3 0.03 0.033 0.050 #1 0.071 0.071 #1 0.033 0.042 #1 0.031 0.029 #1 0.032 0.035 1 0.031 0.071Barium Total Recoverable g/m3 0.03 0.031 0.049 #1 0.072 0.068 #1 0.036 0.040 #1 0.031 0.028 #1 0.034 0.035 1 0.031 0.072Beryllium Dissolved g/m3 0.00062 0.0008 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.0005 0.00011 < 0.00010 NGV 0.00011 0.00011Beryllium Total Recoverable g/m3 0.00058 0.00072 0.00017 0.00019 < 0.00011 0.00011 < 0.00011 < 0.00011 < 0.00053 0.00017 0.0002 NGV 0.00011 0.0002Boron Dissolved g/m3 0.012 0.013 0.014 0.018 #1 0.018 #1 0.015#1 0.019 #1 0.017 #2 0.013 0.016 0.018 1 0.013 0.018Boron Total Recoverable g/m3 0.011 0.014 0.0146 0.0162 #1 0.0160 #1 0.014 #1 0.0176 #1 0.0129 #2 0.015 0.0165 0.0187 1 0.0146 0.0187Cadmium Dissolved g/m3 0.11 0.2 0.076 #1 0.024 0.026 0.02 0.025 0.0039 0.033 0.051 0.027 0.005 0.0039 0.051Cadmium Total Recoverable g/m3 0.11 0.2 0.074 #1 0.063 0.034 0.031 0.033 0.0087 0.035 0.053 0.029 0.005 0.0087 0.063Calcium Dissolved g/m3 24 26 54 77 77 56#1 66 64 54 60 61 NGV 54 77Calcium Total Recoverable g/m3 23 26 55 78 78 55 #1 69 65 54 63 61 NGV 54 78Chromium Dissolved g/m3 0.0028 0.0037 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.05 < 0.0005 < 0.0005Chromium Total Recoverable g/m3 0.0027 0.0037 0.00092 0.00056 < 0.00053 < 0.00053 0.00054 < 0.00053 0.00065 0.00075 0.00057 0.05 0.00054 0.00092Copper Dissolved g/m3 0.78 4 0.136 0.0035 0.0054 0.0071 0.0038 0.0035 0.0124 0.0192 0.0017 1 0.0017 0.136Copper Total Recoverable g/m3 0.78 4.4 0.54 0.29 0.146 0.139 0.094 0.023 0.21 0.21 0.072 1 0.023 0.54Iron Dissolved g/m3 17 114 4.9 9.6 4.3 8.4 7.9 1.15 6.5 11 5.7 0.3 1.15 11Iron Total Recoverable g/m3 19 119 8.3 12 7.1 9.2 9.1 1.85 8.7 13.7 6.6 0.3 1.85 13.7Lanthanum Dissolved g/m4 - - 0.0021 0.00122 0.00028 0.00108 0.00192 < 0.00010 0.00094 0.0038 0.0031 NGV 0.00028 0.0038Lanthanum Total Recoverable g/m5 - - 0.0039 0.0048 0.0024 0.0024 0.0037 0.00072 0.0021 0.0051 0.0039 NGV 0.00072 0.0051Lead Dissolved g/m3 0.71 2.7 0.0057 0.0039 0.00144 0.0059 0.0052 0.0054 0.0024 0.0187 0.0198 0.05 0.00144 0.0198Lead Total Recoverable g/m3 0.77 2.8 0.165 0.32 0.192 0.176 0.189 0.056 0.165 0.23 0.131 0.05 0.056 0.32Lithium Dissolved g/m3 0.017 0.022 0.0096 #1 0.0192 0.0175 #1 0.0165 0.022 0.0107 0.0167 #1 0.025 #1 0.022 NGV 0.0107 0.022Lithium Total Recoverable g/m3 0.016 0.021 0.0089 #1 0.0196 0.0171 #1 0.0167 0.022 0.01 0.0165 #1 0.022 #1 0.022 NGV 0.01 0.022Magnesium Dissolved g/m3 13 15 12.3 16 14.5 14.6 #1 16.6 #1 17.2 14.0 #1 14.5 #1 14.1 NGV 12.3 17.2Magnesium Total Recoverable g/m3 13 15 12.4 16.6 15.1 14.1 #1 15.5 #1 16 13.9 #1 14.3 #1 14.6 NGV 12.4 16.6Manganese Dissolved g/m3 5.4 18 2.7 #1 3.6 3.1 4.0 #1 4.3 #1 1.67 #1 3.0 4.3 3.3 0.1 3.1 4.3Manganese Total Recoverable g/m3 5.5 19 2.6 #1 3.7 3.1 3.6 #1 4.2 #1 1.62 #1 3.1 4.3 3.4 0.1 3.1 4.3Mercury Dissolved g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Mercury Total Recoverable g/m3 < 0.000080 < 0.000080 0.00024 0.00074 0.00055 0.00029 0.00072 0.0003 0.00047 0.00048 0.00031 0.001 0.00024 0.00074Molybdenum Dissolved g/m3 < 0.00021 < 0.00021 0.0061 0.031 0.035 0.0132 0.027 0.0087 0.0084 0.016 0.0131 NGV 0.0061 0.035Molybdenum Total Recoverable g/m3 < 0.00021 < 0.00021 0.0104 0.038 0.037 0.0157 0.032 0.0097 0.0097 0.021 0.0144 NGV 0.0097 0.038Nickel Dissolved g/m3 0.053 0.066 0.032 0.063 0.051 0.045 0.07 0.024 0.043 0.061 #1 0.054 0.1 0.024 0.07Nickel Total Recoverable g/m3 0.054 0.065 0.033 0.068 0.053 0.049 0.072 0.025 0.046 0.060 #1 0.057 0.1 0.025 0.072Potassium Dissolved g/m3 1.4 1.5 3.6 10.9 #1 10.5 5.5 #1 7.6 3.4 4.4 #1 6.6 5.3 NGV 3.4 10.5Potassium Total Recoverable g/m3 1.4 1.5 3.7 10.7 #1 12 5.4 #1 8 3.7 4.2 #1 6.6 5.5 NGV 3.7 12Selenium Dissolved g/m3 0.0022 0.0022 0.0013 0.0017 < 0.0010 <0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.01 0.0013 0.0017Selenium Total Recoverable g/m3 0.0022 0.0024 0.0014 0.0019 0.0016 <0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.01 0.0014 0.0019Silver Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 0 0Silver Total Recoverable g/m3 < 0.00011 < 0.00011 0.00012 < 0.00011 < 0.00011 <0.00011 0.00014 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.05 0.00012 0.00014Sodium Dissolved g/m3 9.3 11 11.7 21 18.6 15.3 #1 17.4 #1 11.8 12.6 #1 16.1 #1 14.2 300 11.7 21Sodium Total Recoverable g/m3 8.9 11 11.9 21 21 13.3#1 16.8 #1 12 12.4 #1 14.8 #1 15.5 300 11.9 21Tin Dissolved g/m3 0.00079 0.00079 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 NGV < 0.0005 < 0.0005Tin Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 0.00018 0.00023 < 0.00002 < 0.00002 0.00002 < 0.00002 < 0.00002 0.00018 < 0.00002 < 0.00002 < 0.00002 NGV 0.00002 0.00018Uranium Total Recoverable g/m3 0.0002 0.00024 0.000153 0.000044 0.000042 0.000051 0.000031 0.00022 0.000047 0.000037 0.000028 NGV 0.000028 0.00022Zinc Dissolved g/m3 19 46 7.7 6.4 4.2 5.6 #1 6.4 1.69 4.9 7.5 5.7 #1 5 1.69 7.7Zinc Total Recoverable g/m3

19 47 7.7 7.2 4.6 5 #16.8 1.79 5.2 7.7 5.2 #1

5 1.79 7.7

Notes:"-" Parameter not measuredAnion/cation balanced outside DQOs#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, and outside analytical variation of the methods. Confirmed by repeat analysis.NGV: No guideline value

EC reading outside of DQO. Field measurements appears to be to low based on calculated EC of dissolved metals.


Table B-5: Water Quality Results for Tui Mine Monitoring at SW11



Tailings Drainage, Tui Tributary (SW11)Baseline Data



Sample Location ANZECC GuidelinesSample No. 09 A815 A970 SW13 TUI2 TUI2 TUI2 TUI2 SW13 SW13 SW13

Sampled By URS URS URS URS URS URS 2002 Sharplin Sharplin Sharplin Sharplin PDP 2009 PDP 2009 PDP 2009

Sampling date 25/03/98 20/05/98 6/12/00 19/12/00 22/02/01 15/12/01 30/01/07 3/05/07 27/07/07 3/11/07 17/09/09 8/10/09 17/11/09

Laboratory Number 154963/9 155596/10 158764/10 728224.11 734195.11 744474.6

Flow rate L/s - - - - - - 20.5 11.3 136.7 33.6 17.8 88.6 22.9 - 11.3 136.7

Flow rate m3/sec - - - - - - 0.0205 0.0113 0.1367 0.0336 0.0178 0.0886 0.0229 - 0.0113 0.1367

Field:

Temperature (ºC) - - - - - - 16.1 9.71 12.1 12 12.15 10.53 11.76 15-33 9.71 16.1

pH pH units - - - - - - 6.71 6.57 6.5 6.51 6.99 7.05 6.99 5.0-9.0 6.5 7.05

Conductivity mS/m - - - - - - 12.7 12 9.2 11.6 13.8 8.96 15.3 NGV 8.96 15.3

ORP mV - - - - - - - - - - 206 548 312 NGV 206 548

Dissolved Oxygen mg/L - - - - - - 6.25 9.86 11.3 10.07 10.28 10.96 10.98 > 6.5 6.25 11.3

Turbidity NTU - - - - - - - - - - <5 <5 3.7 NGV 3.7 3.7

Laboratory:

pH pH units 6.9 7.1 6.7 6.9 6.7 6.8 - - - - 6.6 6.5 6.8 5.0-9.0 6.5 6.8

Conductivity mS/m 17.6 17.2 17.5 19.4 16.4 16 - - - - 16.1 12.2 15.8 NGV 12.2 16.1

Total Suspended Solids g/m3 <3 <3 <3 <3 3 - - - - - < 3.0 5.2 < 3.0 NGV 5.2 5.2

Total Dissolved Silica g/m3 - - - - - - - - - - - - - NGV - -

Total Cyanide g/m3 - - - - - - - - - - < 0.0010 < 0.0010 < 0.0010 0.05 < 0.0010 < 0.0010

Anions meq - - - - - - - - - - - - - NGV - -

Cations meq - - - - - - - - - - - - - NGV - -

Alkalinity (mg/L as CaCO3) 13 14 15 18 15 - - 6 5 - - - - NGV 5 6

Bicarbonate (mg/L as CaCO3) - - - - - - - 12.8 11.3 - - - - NGV 11.3 12.8

Total Hardness (mg/L as CaCO3) - - - - - - - - - - - - - 500 - -

Calcium g/m3 13 13.8 13 14 12.3 - 11.4 10.7 9 - - - - NGV 9 11.4Magnesium g/m3 4.89 5.59 4.99 5.31 4.69 - 5.56 3.85 3.5 - - - - NGV 3.5 5.56Potassium g/m3 0.7 0.8 0.88 0.87 0.83 - 0.78 0.79 0.7 - - - - NGV 0.7 0.79Sodium g/m3 9.6 9.6 9.79 10.1 10.1 - 9.31 9.54 9.5 - - - - 300 9.31 9.54

Chloride g/m3 10.5 10.1 11.5 10.7 10.7 - 10.9 10.7 10.5 - - - - 400 10.5 10.9

Nitrite-N g/m3 - - - - - - - - - - - - - 1 - -

Nitrate-N g/m3 - - <0.02 0.003 0.028 - - - - - - - - 10 - -

Nitrate-N+Nitrite-N g/m3 - - - - - - - - - - - - - NGV - -

Sulphate g/m350 49 48.1 53.6 40.8 - 42.4 39.2 29 37 - - - 400 29 42.4

Metals

Aluminium Dissolved g/m3 - - - - - - - - - - 0.067 0.051 0.099 0.2 0.051 0.099Aluminium Total Recoverable g/m3 - - - - - - - - - - 0.49 0.39 0.46 0.2 0.39 0.49Antimony Dissolved g/m3 - - - - - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Antimony Total Recoverable g/m3 - - - - - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Arsenic Dissolved g/m3 - - <0.001 <0.001 0.001 - <d.l. <d.l. <d.l. <d.l. < 0.0011 < 0.0011 < 0.0011 0.05 - -Arsenic Total Recoverable g/m3 - - - <0.001 0.002 - <d.l. <d.l. 0.013192 0.0006 < 0.0011 < 0.0011 < 0.0011 0.05 0.0006 0.013192Barium Dissolved g/m3 - - - - - - - - - - 0.0092 0.0075 0.0095 1 0.0075 0.0095Barium Total Recoverable g/m3 - - - - - - - - - - 0.0098 0.0081 0.0097 1 0.0081 0.0098Beryllium Dissolved g/m3 - - - - - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Beryllium Total Recoverable g/m3 - - - - - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Boron Dissolved g/m3 - - - - - - - - - - 0.012 0.012 0.013 1 0.012 0.013Boron Total Recoverable g/m3 - - - - - - - - - - 0.011 0.011 0.013 1 0.011 0.013Cadmium Dissolved g/m3 0.0059 0.00432 0.00487 0.00456 0.00399 0.00573 0.001 0.002 0.00574 0.0039 0.0045 0.0037 0.0054 0.005 0.001 0.00574Cadmium Total Recoverable g/m3 - - - 0.00488 0.00399 0.00573 0.003 0.002 0.0054 0.0039 0.0048 0.0038 0.0054 0.005 0.002 0.0054Calcium Dissolved g/m3 - - - - - - - - - - 11 7.8 12 NGV 7.8 12Calcium Total Recoverable g/m3 - - - - - - - - - - 11 7.8 12 NGV 7.8 12Chromium Dissolved g/m3 - - - - - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Chromium Total Recoverable g/m3 - - - - - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Copper Dissolved g/m3 0.0075 0.0043 0.0067 0.0076 0.0053 0.008 0.001 0.003 0.00845 0.0054 0.0081 0.0075 0.011 1 0.001 0.011Copper Total Recoverable g/m3 - - - 0.0183 0.0113 0.0342 0.006 0.007 0.09865 0.019 0.027 0.026 0.027 1 0.006 0.09865Iron Dissolved g/m3 <0.05 <0.05 <0.02 <0.02 <0.02 0.06 0.009 0.015 0.0221 <0.020 < 0.021 0.022 0.024 0.3 0.009 0.024Iron Total Recoverable g/m3 - - - 0.08 0.09 0.53 0.08 0.117 3.686 0.29 0.21 0.26 0.15 0.3 0.08 3.686Lanthanium Dissolved g/m3 - - - - - - - - - - - - - NGV - -Lanthanium Total Recoverable g/m3 - - - - - - - - - - - - - NGV - -Lead Dissolved g/m3 0.0023 0.002 0.0016 0.0028 0.0019 0.0025 <d.l. <d.l. 0.00209 0.0014 0.0038 0.0023 0.0061 0.05 0.0014 0.0061Lead Total Recoverable g/m3 - - - 0.0126 0.0107 0.031 0.016 0.005 0.21708 0.024 0.026 0.022 0.025 0.05 0.005 0.21708Lithium Dissolved g/m3 - - - - - - - - - - 0.0031 0.0026 0.0033 NGV 0.0026 0.0033Lithium Total Recoverable g/m3 - - - - - - - - - - 0.0032 0.0024 0.0034 NGV 0.0024 0.0034Magnesium Dissolved g/m3 - - - - - - - - - - 4.7 3.4 4.7 NGV 3.4 4.7Magnesium Total Recoverable g/m3 - - - - - - - - - - 4.7 3.2 4.7 NGV 3.2 4.7Manganese Dissolved g/m3 - - - - - - 0.113 0.165 0.189 0.23 0.21 0.16 0.25 0.1 0.113 0.25Manganese Total Recoverable g/m3 - - - - - - 0.107 0.18 0.231 0.22 0.22 0.16 0.25 0.1 0.107 0.25Mercury Dissolved g/m3 - - - - - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Mercury Total Recoverable g/m3 - - - - - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Molybdenum Dissolved g/m3 - - - - - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Molybdenum Total Recoverable g/m3 - - - - - - - - - - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Nickel Dissolved g/m3 - - 0.0044 0.0045 0.0037 0.004 - - - - 0.0041 0.0026 0.004 0.1 0.0026 0.0041Nickel Total Recoverable g/m3 - - - 0.0047 0.0037 0.0041 - - - - 0.0042 0.0029 0.004 0.1 0.0029 0.0042Potassium Dissolved g/m3 - - - - - - - - - - 0.78 0.7 0.75 NGV 0.7 0.78Potassium Total Recoverable g/m3 - - - - - - - - - - 0.81 0.72 0.78 NGV 0.72 0.81Selenium Dissolved g/m3 - - - - - - - - - - < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Selenium Total Recoverable g/m3 - - - - - - - - - - < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Silver Dissolved g/m3 - - - - - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Silver Total Recoverable g/m3 - - - - - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 - - - - - - - - - - 9.5 8.2 10 300 8.2 10Sodium Total Recoverable g/m3 - - - - - - - - - - 9.5 8.4 10 300 8.4 10Tin Dissolved g/m3 - - - - - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Tin Total Recoverable g/m3 - - - - - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 - - - - - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Uranium Total Recoverable g/m3 - - - - - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 1.34 0.992 0.83 0.755 0.76 1.11 0.5 0.5 0.67 0.78 0.78 0.62 0.92 5 0.5 0.92Zinc Total Recoverable g/m3

- - - 0.818 0.813 1.18 0.563 0.563 1 0.81 0.85 0.67 0.98 5 0.563 1

Notes:"-" Parameter not measuredAnion/cation balanced outside DQOs"-" Parameter not measured#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, and outside analytical variation of the methods. Confirmed by repeat analysis.NGV: No guideline value


Table B-6a: Water Quality Results for Tui Mine Monitoring at SW13 (Baseline data 2013-2015)


Baseline DataTui Stream (SW13)



Sample Location ANZECC GuidelinesSample No. SW13 SW13 SW13 SW13 SW13 SW13 SW13 SW13 SW13

Sampled By PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015

Sampling date 26/09/13 17/10/13 13/11/13 24/09/14 22/10/14 13/11/14 23/09/15 15/10/15 11/11/15

Laboratory Number 1185572.6 1193690.6 1203456.6 1331057.6 1343005.6 1351548.6 1480296.6 1489960.6 1500740.6

Flow rate L/s 11.3 136.7 20 22.4 16.6 71.5 18.6 20.6 24.8 16.2 8.2 - 8.2 71.5

Flow rate m3/sec 0.0113 0.1367 0.02 0.0224 0.0166 0.0715 0.0186 0.0206 0.0248 0.0162 0.0082 - 0.0082 0.0715

Field:

Temperature (ºC) 9.71 16.1 12 12.9 11.79 10.9 12.6 11.1 10.3 11.3 13.2 15-33 10.3 13.2

pH pH units 6.5 7.05 7.38 7.45 7.07 7.12 6.63 7.51 7.62 8.23 7.62 5.0-9.0 6.63 8.23

Conductivity mS/m 8.96 15.3 11.1 13.9 13.1 11.6 14.82 14.9 133.8 141 150.9 NGV 11.1 150.9

ORP mV 206 548 33.2 180.4 281 192 210.7 181 198.8 110.8 120.9 NGV 33.2 281

Dissolved Oxygen mg/L 6.25 11.3 10.52 11.04 10.55 11.95 12.28 11.12 10.79 11.17 10.38 > 6.5 10.38 12.28

Turbidity NTU 3.7 3.7 6.98 1.12 6.8 1 0.42 2 1.62 0.82 1.05 NGV 0.42 6.98

Laboratory:

pH pH units 6.5 6.8 6.9 7.3 7.3 7 7.8 7.5 7.5 7.4 7.6 5.0-9.0 6.9 7.8

Conductivity mS/m 12.2 16.1 11.1 14 13.3 11.8 14.8 14.5 13.9 14.7 15.2 NGV 11.1 15.2

Total Suspended Solids g/m3 5.2 5.2 6 <3 10 <3 <3 < 3 < 3 < 3 < 3 NGV 6 10

Total Dissolved Silica g/m3 - - - - - - - - - - - NGV - -

Total Cyanide g/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 - < 0.0010 <0.0010 0.001 < 0.0010 < 0.0010 < 0.0010 0.05 0.001 0.001

Anions meq - - - - - - - - - - - NGV - -

Cations meq - - - - - - - - - - - NGV - -

Alkalinity (mg/L as CaCO3) 5 6 - - - - - - - - - NGV - -

Bicarbonate (mg/L as CaCO3) 11.3 12.8 - - - - - - - - - NGV - -

Total Hardness (mg/L as CaCO3) - - - - - 31 - 44 40 43 44 500 31 44

Calcium g/m3 9 11.4 - - - - - - 11.7 11.2 11.5 NGV 11.2 11.7Magnesium g/m3 3.5 5.56 - - - - - - 4.1 4 4.2 NGV 4 4.2Potassium g/m3 0.7 0.79 - - - - - - 0.88 0.77 0.91 NGV 0.77 0.91Sodium g/m3 9.31 9.54 - - - - - - 10.2 9.6 #1 10.6 300 10.2 10.6

Chloride g/m3 10.5 10.9 - - - - - - - - - 400 - -

Nitrite-N g/m3 - - - - - - - - - - - 1 - -

Nitrate-N g/m3 - - - - - - - - - - - 10 - -

Nitrate-N+Nitrite-N g/m3 - - - - - - - - - - - NGV - -

Sulphate g/m329 42.4 - - - - - - - - - 400 - -

Metals 0 0Aluminium Dissolved g/m3 0.051 0.099 0.058 0.013 0.013 0.013 0.008 0.008 0.01 0.006 0.005 0.2 0.005 0.058Aluminium Total Recoverable g/m3 0.39 0.49 0.195 0.023 0.104 0.038 0.0147 0.0188 0.018 0.0131 0.0097 0.2 0.0097 0.195Antimony Dissolved g/m3 < 0.00021 < 0.00021 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 NGV < 0.0002 < 0.0002Antimony Total Recoverable g/m3 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Arsenic Dissolved g/m3 - - < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.05 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 0.0006 0.013192 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0011 < 0.0011Barium Dissolved g/m3 0.0075 0.0095 0.0073 0.0081 0.0081 0.0062 0.0086 #1 0.0081 0.0079 0.0079 0.0088 1 0.0062 0.0088Barium Total Recoverable g/m3 0.0081 0.0098 0.0086 0.0085 0.0085 0.0062 0.0084 #1 0.008 0.0081 0.0084 0.0088 1 0.0062 0.0088Beryllium Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.00010Beryllium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00053 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Boron Dissolved g/m3 0.012 0.013 0.012 0.011 0.012 #1 0.011 #1 0.014 0.013 #2 0.012 #1 0.012 #1 0.011 1 0.011 0.014Boron Total Recoverable g/m3 0.011 0.013 0.0121 0.0115 0.0107 #1 0.0106 #1 0.0115 0.0109 #2 0.0110 #1 0.0112 #1 0.0111 1 0.0111 0.0121Cadmium Dissolved g/m3 0.001 0.00574 0.00131 0.0007 0.00054 0.00043 0.00045 #1 0.00047 0.00047 0.00039 0.00038 #1 0.005 0.00039 0.00131Cadmium Total Recoverable g/m3 0.002 0.0054 0.00132 0.00076 0.00062 0.00044 0.00043 #1 0.00052 0.00051 0.00036 0.00035 #1 0.005 0.00036 0.00132Calcium Dissolved g/m3 7.8 12 7.3 9.9 #1 10.0 #1 8 11.1 11.1 9.9 10.9 11.4 NGV 7.3 11.4Calcium Total Recoverable g/m3 7.8 12 7.3 9.8 #1 9.8 #1 8.1 11.1 11.3 11.7 11.2 11.5 NGV 7.3 11.7Chromium Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.05 0 0Chromium Total Recoverable g/m3 < 0.00053 < 0.00053 0.00065 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.05 0.00065 0.00065Copper Dissolved g/m3 0.001 0.011 0.0028 0.0018 0.0013 0.001 0.0012 0.0035 #2 0.0012 0.0011 0.0009 1 0.0009 0.0028Copper Total Recoverable g/m3 0.006 0.09865 0.0075 0.00191 0.0031 0.00134 0.00142 0.00181 #2 0.00156 0.00116 0.00109 1 0.00109 0.0075Iron Dissolved g/m3 0.009 0.024 0.05 < 0.02 < 0.02 <0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 0.3 0.05 0.05Iron Total Recoverable g/m3 0.08 3.686 0.3 0.026 0.196 0.041 < 0.021 < 0.021 0.029 < 0.021 < 0.021 0.3 0.026 0.3Lanthanium Dissolved g/m3 - - 0.0001 < 0.00010 < 0.00010 < 0.00010 - < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV 0.0001 0.0001Lanthanium Total Recoverable g/m3 - - 0.0003 < 0.00011 0.00018 < 0.00011 - < 0.00011 < 0.00011 < 0.00011 < 0.00011 NGV 0.00018 0.0003Lead Dissolved g/m3 0.0014 0.0061 0.00158 0.00095 0.00032 0.00032 0.00011 0.00028 0.00023 0.00016 < 0.00010 0.05 0.00011 0.00158Lead Total Recoverable g/m3 0.005 0.21708 0.0089 0.00165 0.0068 0.00133 0.00044 0.00107 0.00065 0.00035 0.00021 0.05 0.00021 0.0089Lithium Dissolved g/m3 0.0026 0.0033 0.0019 0.0021 #1 0.0019 0.0017 0.002 0.0019 0.0021 0.0021 #1 0.0018 #1 NGV 0.0017 0.0021Lithium Total Recoverable g/m3 0.0024 0.0034 0.00192 0.0020 #1 0.0021 0.00193 0.002 0.00183 0.0021 0.00188 #1 0.00179 #1 NGV 0.00183 0.0021Magnesium Dissolved g/m3 3.4 4.7 2.6 3.5 3.4 2.6 3.9 3.9 3.7 3.8 3.9 NGV 2.6 3.9Magnesium Total Recoverable g/m3 3.2 4.7 2.7 3.5 3.5 2.9 3.9 4 4.1 4 4.2 NGV 2.7 4.2Manganese Dissolved g/m3 0.113 0.25 0.036 0.0071 0.0028 0.0101 0.0009 0.0029 0.0034 0.0008 0.0005 0.1 0.0005 0.036Manganese Total Recoverable g/m3 0.107 0.25 0.047 0.0089 0.0159 0.0137 0.0025 0.0052 0.005 0.00149 0.00099 0.1 0.00099 0.047Mercury Dissolved g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Mercury Total Recoverable g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Molybdenum Dissolved g/m3 < 0.00021 < 0.00021 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 NGV < 0.0002 < 0.0002Molybdenum Total Recoverable g/m3 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 0.00024 < 0.00021 < 0.00021 < 0.00021 NGV 0.00024 0.00024Nickel Dissolved g/m3 0.0026 0.0041 0.0014 0.0012 #1 0.0010 #1 0.0008 0.0008 0.0009 0.0007 0.0007 0.0006 0.1 0.0006 0.0014Nickel Total Recoverable g/m3 0.0029 0.0042 0.00157 0.00116 #1 0.00070 #1 0.001 0.00084 0.00096 0.00099 0.00085 0.00063 0.1 0.00063 0.00157Potassium Dissolved g/m3 0.7 0.78 0.87 0.84 #1 0.71 0.63 0.76 0.83 0.80 0.73 0.84 NGV 0.63 0.87Potassium Total Recoverable g/m3 0.72 0.81 0.87 0.83 #1 0.92 0.77 0.83 0.87 0.88 0.77 0.91 NGV 0.77 0.92Selenium Dissolved g/m3 < 0.0011 < 0.0011 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.01 < 0.0010 < 0.0010Selenium Total Recoverable g/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Silver Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 < 0.00010 < 0.00010Silver Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 8.2 10 8.5 #1 9.6 #1 8.4 9.2#1 10.0 #1 9.3 9.3 10.1 #1 9.7 300 8.4 9.7Sodium Total Recoverable g/m3 8.4 10 8.4 #1 9.3 #1 10.4 8.8 #1 9.7 #1 9.4 10.2 9.6 #1 10.6 300 9.4 10.6Tin Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 NGV < 0.0005 < 0.0005Tin Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 < 0.000021 < 0.000021 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 NGV < 0.00002 < 0.00002Uranium Total Recoverable g/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 0.5 0.92 0.177 0.119 #1 0.089 0.071 #1 0.063 0.076 0.071 0.058 #1 0.053 #1 5 0.063 0.177

Zinc Total Recoverable g/m30.563 1 0.185 0.108 #1

0.101 0.069 #10.063 0.074 0.076 0.054 #1 0.047 #1

5 0.063 0.185

Notes:"-" Parameter not measuredAnion/cation balanced outside DQOs"-" Parameter not measured#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, and outside analytical variation of the methods. Confirmed by repeat analysis.NGV: No guideline value


Table B-6b: Water Quality Results for Tui Mine Monitoring at SW13 (Post remediation 2013-2015)



Tui Stream (SW13)Baseline Data

Minimum Maximum



Sample Location ANZECC GuidelinesSample No. SW15 SW15 SW15

Sampled By PDP 2009 PDP 2009 PDP 2009

Sampling date 18/09/09 8/10/09 17/11/09Laboratory Number 728224.13 734195.7 744474.11

Flow rate m3/sec 0.002 0.010 0.002 - 0.0017 0.0103

Field:

Temperature (ºC) 12.52 12.39 12.87 15-33 12.4 12.9

pH pH units 5.67 5.19 5.86 5.0-9.0 5.2 5.9

Conductivity mS/m 7.91 18.1 21 NGV 7.9 21.0

ORP mV 190 217 270 NGV 190 270

Dissolved Oxygen mg/L 9.93 9.42 11.31 > 6.5 9.4 11.3Turbidity NTU <5 <5 0.3 NGV 0.3 0.3

Laboratory:

pH pH units 6.3 6 6.2 5.0-9.0 6.0 6.3

Conductivity mS/m 22.1 23.4 22.1 NGV 22.1 23.4

Total Suspended Solids g/m3 < 3.0 3 < 3.0 NGV 3.0 3.0

Total Dissolved Silica g/m3 - - - NGV - -

Total Cyanide g/m3 < 0.0010 < 0.0010 < 0.0010 0.05 0.0 0.0

Anions meq - - - NGV - -

Cations meq - - - NGV - -

Alkalinity (mg/L as CaCO3) - - - NGV - -

Bicarbonate (mg/L as CaCO3) - - - NGV - -

Total Hardness (mg/L as CaCO3) - - - 500 - -

Calcium g/m3 - - - NGV - -Magnesium g/m3 - - - NGV - -Potassium g/m3 - - - NGV - -Sodium g/m3 - - - 300 - -

Chloride g/m3 - - - 400 - -

Nitrite-N g/m3 - - - 1 - -

Nitrate-N g/m3 - - - 10 - -

Nitrate-N+Nitrite-N g/m3 - - - NGV - -Sulphate g/m3

- - - 400 - -

Metals

Aluminium Dissolved g/m3 0.03 0.17 0.019 0.2 0.0190 0.1700Aluminium Total Recoverable g/m3 0.032 0.23 0.019 0.2 0.0190 0.2300Antimony Dissolved g/m3 < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Antimony Total Recoverable g/m3 < 0.00021 0.00044 < 0.00021 NGV 0.0004 0.0004Arsenic Dissolved g/m3 0.0039 0.021 0.0022 0.05 0.0022 0.0210Arsenic Total Recoverable g/m3 0.0046 0.024 0.003 0.05 0.0030 0.0240Barium Dissolved g/m3 0.02 0.028 0.024 1 0.0200 0.0280Barium Total Recoverable g/m3 0.021 0.028 0.021 1 0.0210 0.0280Beryllium Dissolved g/m3 < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Beryllium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Boron Dissolved g/m3 0.013 0.012 0.015 1 0.0120 0.0150Boron Total Recoverable g/m3 0.013 0.014 0.016 1 0.0130 0.0160Cadmium Dissolved g/m3 0.0094 0.018 0.012 0.005 0.0094 0.0180Cadmium Total Recoverable g/m3 0.0093 0.018 0.01 0.005 0.0093 0.0180Calcium Dissolved g/m3 17 19 20 NGV 17 20Calcium Total Recoverable g/m3 17 20 19 NGV 17 20Chromium Dissolved g/m3 < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Chromium Total Recoverable g/m3 < 0.00053 0.00075 < 0.00053 0.05 0.00075 0.00075Copper Dissolved g/m3 0.038 0.17 0.029 1 0.029 0.17Copper Total Recoverable g/m3 0.039 0.17 0.028 1 0.028 0.17Iron Dissolved g/m3 0.22 1.1 0.12 0.3 0.12 1.1Iron Total Recoverable g/m3 0.23 1.1 0.12 0.3 0.12 1.1Lanthanium Dissolved g/m3 - - - NGV - -Lanthanium Total Recoverable g/m3 - - - NGV - -Lead Dissolved g/m3 0.065 0.24 0.089 0.05 0.065 0.24Lead Total Recoverable g/m3 0.067 0.24 0.079 0.05 0.067 0.24Lithium Dissolved g/m3 0.0057 0.0059 0.0059 NGV 0.0057 0.0059Lithium Total Recoverable g/m3 0.0057 0.0059 0.0062 NGV 0.0057 0.0062Magnesium Dissolved g/m3 6.6 7.1 7.1 NGV 6.6 7.1Magnesium Total Recoverable g/m3 6.7 7.1 7.2 NGV 6.7 7.2Manganese Dissolved g/m3 0.02 0.099 0.032 0.1 0.02 0.099Manganese Total Recoverable g/m3 0.02 0.094 0.033 0.1 0.02 0.094Mercury Dissolved g/m3 < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Mercury Total Recoverable g/m3 < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Molybdenum Dissolved g/m3 < 0.00021 0.00098 < 0.00021 NGV < 0.00021 0.00098Molybdenum Total Recoverable g/m3 < 0.00021 0.001 < 0.00021 NGV 0.0010 0.0010Nickel Dissolved g/m3 0.0022 0.0032 0.0024 0.1 0.0022 0.0032Nickel Total Recoverable g/m3 0.0022 0.0033 0.0022 0.1 0.0022 0.0033Potassium Dissolved g/m3 0.98 1.1 1 NGV 0.98 1.1Potassium Total Recoverable g/m3 0.97 1.1 1 NGV 0.97 1.1Selenium Dissolved g/m3 < 0.00011 < 0.00011 < 0.00011 0.01 < 0.00011 < 0.00011Selenium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 0.01 < 0.00011 < 0.00011Silver Dissolved g/m3 < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0011 < 0.0011Silver Total Recoverable g/m3 < 0.0011 0.0011 < 0.0011 0.05 0.0011 < 0.0011Sodium Dissolved g/m3 10 9.9 11 300 9.9 11Sodium Total Recoverable g/m3 11 11 12 300 11 12Tin Dissolved g/m3 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Tin Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Uranium Total Recoverable g/m3 < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 1.6 2.8 1.8 5 1.6 2.8

Zinc Total Recoverable g/m31.6 2.8 1.7 5 1.6 2.8

Notes:

"-" Parameter not measured

<d.l. = less than detection limit#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, and outside analytical variation of the methods. Confirmed by repeat analysis.

NGV = No Guideline value


Minimum Maximum

Baseline Data

Table B-7a: Water Quality Results for Tui Mine Monitoring at SW15 (Baseline data)

Tailings Drainage, Tkha trib, SW15

Contact Recreational



Sample Location ANZECC GuidelinesSample No. SW15 SW15 SW15 SW15 SW15 SW15 SW15

Sampled By PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015

Sampling date 26/09/13 24/09/14 22/10/14 13/11/14 23/09/15 15/10/15 11/11/15

Laboratory Number 1185572.7 1331057.7 1343005.7 1351548.7 1480296.7 1489960.7 1500740.8

Flow rate m3/sec 0.0017 0.0103 0.008 0.0065 0.0028 0.0029 0.0051 0.0035 0.00328 - 0.0028 0.0080

Field:

Temperature (ºC) 12.4 12.9 12.6 12.8 12.7 12.7 12.5 12.8 13 15-33 12.5 13

pH pH units 5.2 5.9 6.51 6.23 6.23 6.4 6.98 7.55 6.41 5.0-9.0 6.23 7.55

Conductivity mS/m 7.9 21.0 22.5 23.4 23.86 23.5 320.7 313.6 322.5 NGV 22.5 322.5

ORP mV 190 270 142.1 198.7 144.6 211 200.9 128.8 131 NGV 128.8 211

Dissolved Oxygen mg/L 9.4 11.3 8.51 9.56 8.71 9.71 8.66 9.46 9.33 > 6.5 8.51 9.71

Turbidity NTU 0.3 0.3 0.27 1 0.93 0.23 1.63 4.63 1.93 NGV 0.23 4.63

Laboratory:

pH pH units 6.0 6.3 6.5 6.6 6.2 7.1 6.1 6.5 7 5.0-9.0 6.1 7.1

Conductivity mS/m 22.1 23.4 22.5 23.4 23.7 23.7 33.1 32.6 32.6 NGV 22.5 33.1

Total Suspended Solids g/m3 3.0 3.0 <3 <3 < 3 < 3 < 3 < 3 < 3 NGV < 3 < 3

Total Dissolved Silica g/m3 - - - - - - - - - NGV

Total Cyanide g/m3 0.0 0.0 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.05 < 0.0010 < 0.0010

Anions meq - - - - - - - - - NGV - -

Cations meq - - - - - - - - - NGV - -

Alkalinity (mg/L as CaCO3) - - - - - - - - - NGV - -

Bicarbonate (mg/L as CaCO3) - - - - - - - - - NGV - -

Total Hardness (mg/L as CaCO3) - - - - 80 77 118 114 116 500 77 118

Calcium g/m3 - - 18.5 - 20 19.7 35 30 30 NGV 18.5 35Magnesium g/m3 - - 6.6 - 7.2 #1 6.7 12.2 10.3 10.8 NGV 6.6 12.2Potassium g/m3 - - 1.19 - 1.09 1.18 1.58 1.29 1.47 NGV 1.09 1.58Sodium g/m3 - - 11.6 - 11.1 #1 11.4 15.4 13.6 #1 14.8 300 11.4 15.4

Chloride g/m3 - - - - - - - - - 400 - -

Nitrite-N g/m3 - - - - - - - - - 1 - -

Nitrate-N g/m3 - - - - - - - - - 10 - -

Nitrate-N+Nitrite-N g/m3 - - - - - - - - - NGV - -

Sulphate g/m3- - - - - - - - - 400 -

Metals

Aluminium Dissolved g/m3 0.0190 0.1700 < 0.003 0.003 0.004 0.005 0.004 0.003 < 0.003 0.2 0.003 0.005Aluminium Total Recoverable g/m3 0.0190 0.2300 0.028 0.0046 0.0072 0.0045 0.0051 0.0035 0.0033 0.2 0.0033 0.028Antimony Dissolved g/m3 < 0.00021 < 0.00021 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 NGV < 0.0002 < 0.0002Antimony Total Recoverable g/m3 0.0004 0.0004 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Arsenic Dissolved g/m3 0.0022 0.0210 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.05 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 0.0030 0.0240 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0011 < 0.0011Barium Dissolved g/m3 0.0200 0.0280 0.020 #1 0.0198 0.020 #1 0.0188 0.028 0.027 0.028 #1 1 0.0188 0.028Barium Total Recoverable g/m3 0.0210 0.0280 0.0197 #1 0.0199 0.0196 #1 0.0192 0.031 0.029 0.027 #1 1 0.0192 0.031Beryllium Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.00010Beryllium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00053 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Boron Dissolved g/m3 0.0120 0.0150 0.014 #1 0.012 0.014 #1 0.026 #2 0.015 #1 0.014 #1 0.013 1 0.012 0.013Boron Total Recoverable g/m3 0.0130 0.0160 0.0136 #1 0.0138 0.0131 #1 0.0138 #2 0.0144 #1 0.0136 #1 0.0141 1 0.0138 0.0141Cadmium Dissolved g/m3 0.0094 0.0180 0.0066 #1 0.0061 0.0063 #1 0.006 0.0084 0.0082 #1 0.0089 #1 0.005 0.006 0.0084Cadmium Total Recoverable g/m3 0.0093 0.0180 0.0059 #1 0.0062 0.0061 #1 0.0061 0.0093 0.0078 #1 0.0084 #1 0.005 0.0061 0.0093Calcium Dissolved g/m3 17 20 19.1 #1 18.9 19.8 19.5 30 29 30 NGV 18.9 30Calcium Total Recoverable g/m3 17 20 18.5 #1 19.3 20 19.7 35 30 30 NGV 19.3 35Chromium Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.05 < 0.0005 < 0.0005Chromium Total Recoverable g/m3 0.0008 0.0008 0.00071 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.05 0.00071 0.00071Copper Dissolved g/m3 0.029 0.17 0.0077 0.0063 0.0075 0.0087 0.0074 0.0064 0.0066 1 0.0063 0.0087Copper Total Recoverable g/m3 0.028 0.17 0.0077 0.0072 0.0082 0.0079 0.0102 0.0084 0.0083 1 0.0072 0.0102Iron Dissolved g/m3 0.12 1.1 < 0.02 <0.20 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 0.3 < 0.02 < 0.02Iron Total Recoverable g/m3 0.12 1.1 0.022 <0.21 0.022 < 0.021 0.024 < 0.021 < 0.021 0.3 0.022 0.024Lanthanium Dissolved g/m3 - - < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.00014 0.00013 0.00014 NGV 0.00013 0.00014Lanthanium Total Recoverable g/m3 - - < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.00017 0.00015 0.00014 NGV 0.00014 0.00017Lead Dissolved g/m3 0.065 0.24 0.00071 0.00062 0.00044 0.00057 0.00059 0.00049 0.00045 0.05 0.00044 0.00071Lead Total Recoverable g/m3 0.067 0.24 0.00079 0.00073 0.00071 0.00054 0.00072 0.00056 0.00049 0.05 0.00049 0.00079Lithium Dissolved g/m3 0.0057 0.0059 0.0057 #1 0.0057 0.0059 0.0059 0.0075 0.0079 #1 0.0071 NGV 0.0057 0.0075Lithium Total Recoverable g/m3 0.0057 0.0062 0.0054 #1 0.0063 0.006 0.006 0.0078 0.0072 #1 0.0073 NGV 0.006 0.0078Magnesium Dissolved g/m3 6.6 7.1 6.6 6.7 7.5 #1 6.9 10.8 10.1 10.2 NGV 6.6 10.8Magnesium Total Recoverable g/m3 6.7 7.2 6.6 7.1 7.2 #1 6.7 12.2 10.3 10.8 NGV 6.6 12.2Manganese Dissolved g/m3 0.02 0.099 0.021 #1 0.0122 0.0093 0.0131 0.0136 0.0089 #1 0.0074 #1 0.1 0.0093 0.0136Manganese Total Recoverable g/m3 0.02 0.094 0.0195 #1 0.0125 0.0094 0.0134 0.0164 0.0087 #1 0.0072 #1 0.1 0.0094 0.0164Mercury Dissolved g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Mercury Total Recoverable g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Molybdenum Dissolved g/m3 < 0.00021 0.00098 0.0006 0.0003 < 0.0002 0.0003 0.0005 < 0.0002 < 0.0002 NGV 0.0003 0.0006Molybdenum Total Recoverable g/m3 0.0010 0.0010 0.00071 0.00031 < 0.00021 0.00024 0.00056 < 0.00021 < 0.00021 NGV 0.00024 0.00071Nickel Dissolved g/m3 0.0022 0.0032 0.002 0.0019 0.0019 0.002 0.003 0.0029 #1 0.0023 0.1 0.0019 0.003Nickel Total Recoverable g/m3 0.0022 0.0033 0.002 0.002 0.002 0.00197 0.0035 0.0028 #1 0.0028 0.1 0.00197 0.0035Potassium Dissolved g/m3 0.98 1.1 1.20 #1 0.99 1.04 1.12 1.42 1.18 1.4 NGV 0.99 1.42Potassium Total Recoverable g/m3 0.97 1.1 1.19 #1 1.24 1.09 1.18 1.58 1.29 1.47 NGV 1.09 1.58Selenium Dissolved g/m3 < 0.00011 < 0.00011 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.01 < 0.0010 < 0.0010Selenium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.0013 < 0.0011 < 0.0011 0.01 0.0013 0.0013Silver Dissolved g/m3 < 0.0011 < 0.0011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 < 0.00010 < 0.00010Silver Total Recoverable g/m3 0.0011 < 0.0011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 9.9 11 11.3 11.7 #1 11.7 #1 11.7 13.8 14.3 #1 13.7 300 11.3 13.8Sodium Total Recoverable g/m3 11 12 11.6 11.4 #1 11.1 #1 11.4 15.4 13.6 #1 14.8 300 11.4 15.4Tin Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 NGV < 0.0005 < 0.0005Tin Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 < 0.000021 < 0.000021 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 NGV < 0.00002 < 0.00002Uranium Total Recoverable g/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 1.6 2.8 1.13 #1 1.10 #1 1.08 1.11 #1 1.61 1.55 #1 1.60 #1 5 1.08 1.61

Zinc Total Recoverable g/m31.6 2.8 1.06 #1 1.09 #1

1.1 1.06 #11.75 1.48 #1 1.47 #1

5 1.1 1.75

Notes:

"-" Parameter not measured

<d.l. = less than detection limit#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, and outside analytical variation of the methods. Confirmed by repeat analysis.

NGV = No Guideline value


Table B-7b: Water Quality Results for Tui Mine Monitoring at SW15 (Post Remediation Data)



Tailings Drainage, Tkha trib, SW15Baseline Data

Minimum Maximum



Sample Location ANZECC GuidelinesSample No. 05 A811 A966 F242 TK3 TK3 TK3 TK3 SW100 SW100 SW100Sampled By URS URS URS URS Sharplin Sharplin Sharplin Sharplin PDP 2009 PDP 2009 PDP 2009Sampling date 6/12/00 19/12/00 22/02/01 15/12/01 30/01/07 3/05/07 27/07/07 3/11/07 17/09/09 8/10/09 17/11/09Laboratory Number 728224.15 734195.15 744474.3Flow Rate L/s - - - - 7.97 4.18 33.15 16.24 2.136 10.256 1.733 - 1.733 10.256Flow rate m3/sec - - - - 0.0080 0.0042 0.0332 0.0162 0.0021 0.0103 0.0017 - 0.0017 0.0103Field: - - - -Temperature (ºC) - - - - 17.13 13.1 11 13.5 14.1 10.66 12.37 15-33 10.66 17.13pH pH units - - - - 7.13 6.35 7.16 6.82 7.58 6.73 6.97 5.0-9.0 6.35 7.58Conductivity mS/m - - - - 41.1 34.3 27.9 40.8 44.9 19.92 47 NGV 19.92 47ORP mV - - - - - - - - 189 342 317 NGV 189 342Dissolved Oxygen mg/L - - - - 8.8 8.77 8 9.48 9.91 10.39 10.82 > 6.5 8 10.82Turbidity NTU - - - - - - - - <5 <5 12.8 NGV <5 12.8Laboratory:pH pH units 7 7.2 6.8 7 7.13 6.35 7.16 6.82 7.2 6.9 7.6 5.0-9.0 6.35 7.6Conductivity mS/m 52.1 62.2 46.1 36.7 41.1 34.3 27.9 40.8 52.6 27.9 48.4 NGV 27.9 62.2Total Suspended Solids g/m3 28 18 4 5 - - - - 10 3.2 7.7 NGV 3.2 28Total Dissolved Silica g/m3 - - - - - - - - 16 14 15 NGV 14 16Total Cyanide g/m3 - - - - - - - - - - - 0.05 - -

Anions meq - - - - - - - - 5.8 2.9 5.6 NGV 2.9 5.8Cations meq - - - - - - - - 4.9 2.4 4.5 NGV 2.4 4.9Alkalinity g/m3 as CaCO3 50 62 38 27 38 25 28 49 20 44 NGV 20 62

Bicarbonate g/m3 at 25°C - - - - 55 50.2 39.7 - 59 24 54 NGV 24 59Total Hardness g/m3 as CaCO3 - - - - - - - - 220 96 200 500 96 220Calcium g/m3 64.5 79 53.1 37.2 55.2 50.5 50 - 64 27 59 NGV 27 79Magnesium g/m3 13.5 16.5 11.5 7.82 12.6 11.5 11 - 13 7 12 NGV 7 16.5Potassium g/m3 1.05 1.18 0.97 - 0.88 0.81 1 - 1.1 0.67 0.99 NGV 0.67 1.18Sodium g/m3 12.3 13.8 11.6 - 11.8 11.1 11 - 13 9.5 12 300 9.5 13.8Chloride g/m3 10.9 10 10.4 - 10.8 10.3 10 - 11 11 10 400 10 11Nitrite-N g/m3 - - - - - - - - 0.004 < 0.0020 0.0052 1 < 0.0020 0.0052Nitrate-N g/m3 0.06 0.036 0.084 - - - - - 0.049 0.13 0.061 10 0.036 0.13Nitrate-N+Nitrite-N g/m3 - - - - - - - - 0.053 0.13 0.066 NGV 0.053 0.13Sulphate g/m3

209 252 179 140 183 163 161 201 220 110 210 400 110 252Metals:Aluminium Dissolved g/m3 - - - - - - - - < 0.0032 0.014 < 0.0032 0.2 < 0.0032 0.014Aluminium Total Recoverable g/m3 - - - - - - - - 0.15 0.14 0.12 0.2 0.12 0.15Antimony Dissolved g/m3 - - - - - - - - 0.00068 < 0.00021 0.00049 NGV < 0.00021 0.00068Antimony Total Recoverable g/m3 - - - - - - - - 0.00096 0.0005 0.00076 NGV 0.0005 0.00096Arsenic Dissolved g/m3 <0.001 <0.001 <0.001 - <d.l. <d.l. 0.000516 0.0005 < 0.0011 < 0.0021 < 0.0011 0.05 <0.001 0.000516Arsenic Total Recoverable g/m3 0.006 0.005 0.003 - 0.001 0.001 0.00195 0.0022 0.0028 < 0.0021 0.002 0.05 <0.0011 0.006Barium Dissolved g/m3 - - - - - - - - 0.025 0.019 0.026 1 0.019 0.026Barium Total Recoverable g/m3 - - - - - - - - 0.026 0.021 0.027 1 0.021 0.027Beryllium Dissolved g/m3 - - - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Beryllium Total Recoverable g/m3 - - - - - - - - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Boron Dissolved g/m3 - - - - - - - - 0.018 0.014 0.024 1 0.014 0.024Boron Total Recoverable g/m3 - - - - - - - - 0.021 0.015 0.019 1 0.015 0.021Cadmium Dissolved g/m3 0.0822 0.0937 0.122 0.0771 0.089 0.057 0.103 0.087 0.098 0.077 0.088 0.005 <0.00005 0.122Cadmium Total Recoverable g/m3 0.092 0.102 0.121 0.0793 0.1 0.059 0.102 0.094 0.11 0.083 0.099 0.005 <0.000053 0.121Calcium Dissolved g/m3 - - - - - - - - 62 26 61 NGV 26 62Calcium Total Recoverable g/m3 - - - - - - - - 65 27 60 NGV 27 65Chromium Dissolved g/m3 - - - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Chromium Total Recoverable g/m3 - - - - - - - - < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Copper Dissolved g/m3 0.0097 0.0087 0.0159 0.0157 0.009 0.008 0.001986 0.012 0.0076 0.033 0.0085 1 <0.0005 0.033Copper Total Recoverable g/m3 0.198 0.146 0.175 0.119 0.006 0.043 0.12776 0.11 0.12 0.17 0.1 1 <0.00053 0.198Iron Dissolved g/m3 <0.02 <0.02 <0.02 <0.02 0.987 0.01 0.00617 <0.020 < 0.021 0.033 < 0.021 0.3 <0.02 0.987Iron Total Recoverable g/m3 3.73 3.57 1.93 1.47 1.24 1.04 1.423 1.7 2.4 1.2 2.1 0.3 1.04 3.73Lanthanum Dissolved g/m4 - - - - - - - - - - - NGV - -Lanthanum Total Recoverable g/m5 - - - - - - - - - - - NGV - -Lead Dissolved g/m3 0.0074 0.008 0.0061 0.003 0.01 0.001 0.00176 0.0055 0.0042 0.005 0.0028 0.05 0.001 0.01Lead Total Recoverable g/m3 0.174 0.106 0.0872 0.0806 0.062 0.012 0.0326 0.058 0.054 0.075 0.053 0.05 0.012 0.174Lithium Dissolved g/m3 - - - - - - - - 0.014 0.0074 0.015 NGV 0.0074 0.015Lithium Total Recoverable g/m3 - - - - - - - - 0.016 0.0069 0.014 NGV 0.0069 0.016Magnesium Dissolved g/m3 - - - - - - - - 13 6.5 14 NGV 6.5 14Magnesium Total Recoverable g/m3 - - - - - - - - 15 6.9 12 NGV 6.9 15Manganese Dissolved g/m3 - - - - 0.699 0.711 0.733 0.91 1.1 0.49 1.1 0.1 0.49 1.1Manganese Total Recoverable g/m3 - - - - 0.689 0.699 0.648 0.92 1.2 0.52 1 0.1 0.52 1.2Mercury Dissolved g/m3 - - - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Mercury Total Recoverable g/m3 - - - - - - - - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Molybdenum Dissolved g/m3 - - - - - - - - 0.00033 < 0.00021 0.00032 NGV < 0.00021 0.00033Molybdenum Total Recoverable g/m3 - - - - - - - - 0.00033 < 0.00021 0.00031 NGV < 0.00021 0.00033Nickel Dissolved g/m3 - - - - - - - - 0.02 0.0091 0.017 0.1 <0.00050 0.02Nickel Total Recoverable g/m3 - - - - - - - - 0.019 0.0091 0.016 0.1 <0.00053 0.019Potassium Dissolved g/m3 - - - - - - - - 0.92 0.62 0.97 NGV 0.62 0.97Potassium Total Recoverable g/m3 - - - - - - - - 1 0.67 0.95 NGV 0.67 1Selenium Dissolved g/m3 - - - - - - - - < 0.0021 < 0.0021 < 0.0011 0.01 < 0.0011 < 0.0021Selenium Total Recoverable g/m3 - - - - - - - - < 0.0011 < 0.0021 < 0.0011 0.01 < 0.0011 < 0.0021Silver Dissolved g/m3 - - - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Silver Total Recoverable g/m3 - - - - - - - - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 - - - - - - - - 12 8.4 13 300 8.4 13Sodium Total Recoverable g/m3 - - - - - - - - 12 8.7 13 300 8.7 13Tin Dissolved g/m3 - - - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Tin Total Recoverable g/m3 - - - - - - - - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 - - - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Uranium Total Recoverable g/m3 - - - - - - - - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 11.5 13.7 15.2 10.1 10.6 9.35 13.35 12 13 11 13 5 9.35 15.2Zinc Total Recoverable g/m3

14.5 16.1 16.9 10.8 11.5 9.97 14.235 14 15 12 14 5 9.97 16.9





Tunakohoia N Branch, Access Road (SW100)



Sample Location ANZECC GuidelinesSample No. SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100Sampled By PDP 2011 PDP 2011 PDP 2011 PDP2012 PDP2012 PDP2012 PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015Sampling date 6/09/11 11/10/11 8/11/11 6/09/12 17/10/12 15/11/12 26/09/13 17/10/13 13/11/13 24/09/13 22/10/14 13/11/14 23/09/15 15/10/15 11/11/15Laboratory Number 930978.6 943005.7 951502.5 1044859.5 1060297.5 1070611.4 1185572.9 1193690.8 1203456.7 1331057.8 1343005.8 1351548.8 1480296.8 1489960.8 1500740.9Flow Rate L/s 1.733 10.256 - - - - - - 42.1 6.3 7.1 24.1 4.7 8.2 8 5.8 4 - 4 42.1Flow rate m3/sec 0.0017 0.0103 0.0014 0.012 0.0046 0.0064 0.0095 0.0045 0.0421 0.0063 0.0071 0.0241 0.0047 0.0082 0.008 0.0058 0.004 - 0.004 0.0421Field:Temperature (ºC) 10.66 17.13 9.69 12.64 11.46 10.4 10.3 13 10.9 12.6 14.9 11.1 12.2 10.6 9.7 11.0 14 15-33 9.7 14.9pH pH units 6.35 7.58 6.85 6.32 6.53 6.74 7.46 5.43 7.06 7.66 6.69 7.4 7.39 7.81 6.36 8.43 7.89 5.0-9.0 6.36 8.43Conductivity mS/m 19.92 47 45.9 24.5 31.9 51.5 69.3 87.7 23.2 70.1 58.1 30.6 85.3 62.3 467.5 577.3 74.5 NGV 23.2 577.3ORP mV 189 342 329 260 347 276 178.6 235.4 127.7 111.2 186 124.3 193.9 193 194.6 145.4 137.7 NGV 111.2 194.6Dissolved Oxygen mg/L 8 10.82 12.82 14.24 11.70 10.58 9.53 10.15 10.93 9.89 9.59 11.20 11.61 10.81 10.11 10.38 9.12 > 6.5 9.12 11.61Turbidity NTU <5 12.8 <5 1.4 <5 2.8 4.2 119.0 3.1 - 9.2 2.0 9.1 6.6 1.06 2.0 3.02 NGV 1.06 9.2Laboratory:pH pH units 6.35 7.6 7 6.9 7.0 7.2 6.9 7.1 6.7 7.2 7.2 7.2 7.6 7.4 7.3 7.7 7.6 5.0-9.0 6.7 7.7Conductivity mS/m 6.5 62.2 46.4 22.9 39.1 49.9 64.8 86.4 23.2 55.9 58.1 30.8 83.6 62.5 45.8 60.3 75.4 NGV 23.2 83.6Total Suspended Solids g/m3 3.2 28 < 3 < 3 < 3 <3 <3 18 <3 10 <3 <3 5 < 3 < 3 < 3 < 3 NGV 5 10Total Dissolved Silica g/m3 14 16 14 10.4 12.2 12.5 14.0 13.8 11.6 14.4 12.8 12.4 14.6 12.9 12.7 13.7 15.1 NGV 11.6 15.1Total Cyanide g/m3 - - - - - - - - - - - - - - - - - 0.05 - -

Anions meq 0.54 5.8 5.1 2.2 3.8 5.4 7.7 10.0 2.2 7.7 6.0 3.0 9.6 6.6 4.6 6.2 8.1 NGV 2.2 9.6Cations meq 0.54 4.9 4.6 2.1 3.9 5.2 7.3 9.8 2.1 7.2 5.9 2.9 9.2 6.4 4.5 6.1 7.9 NGV 2.1 9.2

Alkalinity g/m3 as CaCO3 4.9 62 32 14.4 21 29 32 36 13.5 46 37 24 54 41 34 44 52 NGV 13.5 54

Bicarbonate g/m3 at 25°C 5.9 59 39 17.5 26 35 39 44 16.4 56 45 29 66 50 41 53 64 NGV 16.4 66

Total Hardness g/m3 as CaCO3 11 220 184 79 155 220 320 440 80 320 260 120 420 290 198 270 360 500 80 420Calcium g/m3 2.5 79 8.4 23 47 #1 69 #1 100 135 #1 24 102 83 36 137 92 70 88 114 NGV 24 137Magnesium g/m3 1.2 16.5 3.1 #1 5 9.5 #1 12.2 17.7 #1 25 #1 4.8 16.5 13.4 7.1 22 14.9 11.9 14.3 18.4 NGV 4.8 22Potassium g/m3 0.29 1.18 0.71 #1 0.62 0.77 #1 0.78 0.82 1.14 0.66 0.9 1.03 0.65 1.05 0.89 0.81 0.9 1.11 NGV 0.65 1.11Sodium g/m3 6.6 13.8 8.7 #1 7.4 10.2 #1 11.3 13.5 #1 16.8 #1 7.9 12.7 13.6 8.9 #1 14.5 #1 12 11.3 12.6 #1 14.7 300 7.9 14.7Chloride g/m3 10 11 9.8 9.3 9.7 9.1 9.2 9.3 9.3 9.3 8.9 8.9 9.5 9.3 9.7 9.4 9.6 400 8.9 9.7Nitrite-N g/m3 < 0.0020 0.0052 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 <0.02 <0.002 <0.002 <0.002 <0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 1 < 0.002 < 0.002Nitrate-N g/m3 0.036 0.13 0.127 0.4 0.171 0.171 0.111 0.066 0.22 0.109 0.126 0.128 0.076 0.088 0.098 0.064 0.062 10 0.062 0.22Nitrate-N+Nitrite-N g/m3 0.053 0.13 0.128 0.4 0.172 0.171 0.111 0.066 0.22 0.11 0.126 0.128 0.077 0.088 0.098 0.064 0.062 NGV 0.062 0.22Sulphate g/m3

7.1 252 200 75 150 220 320 430 80 310 240 108 390 270 172 240 330 400 80 390Metals:Aluminium Dissolved g/m3 < 0.0032 0.091 0.007 0.025 0.011 0.004 <0.003 <0.003 0.019 < 0.003 0.004 0.006 < 0.003 < 0.003 0.004 < 0.003 < 0.003 0.2 0.004 0.019Aluminium Total Recoverable g/m3 0.1 0.15 0.026 0.087 0.037 0.029 0.0118 0.065 0.056 0.0105 0.0095 0.0156 0.0072 0.0055 0.0096 0.0047 0.00410 0.2 0.0041 0.056Antimony Dissolved g/m3 < 0.00021 0.00068 0.0003 < 0.0002 0.0002 0.0002 #1 0.0002 0.0003 < 0.0002 0.0002 0.0002 < 0.0002 0.0003 < 0.0002 0.0002 0.0002 0.0004 #1 NGV 0.0002 0.0003Antimony Total Recoverable g/m3 0.0005 0.00096 0.00025 < 0.00021 0.00026 < 0.00021 #1 0.00022 0.00033 < 0.00021 0.00023 0.00027 < 0.00021 0.0003 0.00026 0.00022 0.00025 0.00032 #1 NGV 0.00022 0.0003Arsenic Dissolved g/m3 <0.001 0.000516 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 <0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.05 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 <0.0011 0.006 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.0047 < 0.0011 0.0026 < 0.0011 < 0.0011 0.0026 0.0019 < 0.0011 < 0.0011 0.00120 0.05 0.0012 0.0026Barium Dissolved g/m3 0.019 0.026 0.043 0.025 0.032 0.031 #1 0.030 0.038 0.0181 #1 0.027 0.028 0.0155 0.03 0.023 0.02 0.024 0.029 1 0.0155 0.03Barium Total Recoverable g/m3 0.021 0.027 0.044 0.026 0.032 0.029 #1 0.032 0.038 0.0179 #1 0.029 0.029 0.0161 0.03 0.024 0.023 0.025 0.030 1 0.0161 0.03Beryllium Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 <0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.00010Beryllium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 <0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00053 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00053Boron Dissolved g/m3 0.0072 0.024 0.014 0.011 0.014 #1 0.016 #1 0.020 #1 0.023 #1 0.013 #1 0.018 0.018 #1 0.014 0.025 #1 0.019 #1 0.019 #1 0.019 #1 0.021 #1 1 0.014 0.018Boron Total Recoverable g/m3 0.0055 0.021 0.0143 0.0138 0.0131 #1 0.0152 #1 0.0184 #1 0.020 #1 0.0124 #1 0.021 0.0157 #1 0.014 0.023 #1 0.0187 #1 0.0174 #1 0.0188 #1

0.021 #1 1 0.014 0.021Cadmium Dissolved g/m3 <0.00005 0.122 0.102 0.045 0.082 0.059#1 0.032 0.035 0.024 #1 0.021 0.023 0.0096 0.0188 0.0146 0.0136 0.0145 0.0173 #1 0.005 0.0096 0.023Cadmium Total Recoverable g/m3 <0.000053 0.121 0.102 0.044 0.082 0.057 #1 0.035 0.040 0.023 #1 0.023 0.023 0.0104 0.020 0.015 0.0147 0.0137 0.0172 #1 0.005 0.0104 0.023Calcium Dissolved g/m3 26 62 55 23 47 #1 69 #1 100 135 #1 24 102 84 #1 36 132 90 61 85 114 NGV 24 132Calcium Total Recoverable g/m3 27 65 57 25 44 #1 66 #1 101 127 #1 24 107 83 #1 36 137 92 70 88 114 NGV 24 137Chromium Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 <0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.05 < 0.0005 < 0.0005Chromium Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Copper Dissolved g/m3 <0.0005 0.033 0.048 0.044 0.052 0.0139 0.0046 0.0062 0.022 0.0016 0.004 0.0043 0.0019 0.0024 0.0036 0.003 0.0032 1 0.0016 0.022Copper Total Recoverable g/m3 <0.00053 0.198 0.063 0.072 0.077 0.056 0.0188 0.038 0.031 0.0092 0.0105 0.0113 0.0098 0.0076 0.0079 0.0058 0.0062 1 0.0058 0.031Iron Dissolved g/m3 <0.02 0.987 < 0.02 0.03 < 0.02 <0.02 < 0.02 <0.02 0.19 < 0.02 < 0.02 0.08 < 0.02 0.02 0.02 < 0.02 < 0.02 0.3 0.02 0.19Iron Total Recoverable g/m3 0.096 3.73 0.05 0.15 0.110 0.52 0.92 4.8 0.3 2.2 0.7 0.46 1.6 0.9 0.30 0.36 0.4 0.3 0.3 2.2Lanthanum Dissolved g/m4 - - 0.00022 0.00018 0.00015 <0.00010 <0.00010 <0.00010 0.00010 < 0.00010 < 0.00010 <0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV 0.0001 0.0001Lanthanum Total Recoverable g/m5 - - 0.00023 0.00027 0.00020 0.00017 0.00020 0.00057 0.00016 0.00020 0.00026 <0.00011 0.00022 0.00013 0.00011 0.00013 0.00016 NGV 0.00011 0.00026Lead Dissolved g/m3 0.00012 0.01 0.037 0.033 0.024 0.0041 0.00184 0.00135 0.03 0.0005 0.0026 #1 0.0042 0.00075 0.00116 0.0029 0.0022 0.0030 0.05 0.0005 0.03Lead Total Recoverable g/m3 0.00013 0.174 0.051 0.066 0.046 0.044 0.039 0.088 0.048 0.026 0.024 #1 0.021 0.027 0.0183 0.0174 0.0155 0.0174 0.05 0.0155 0.048Lithium Dissolved g/m3 0.0074 0.015 0.0087 #1 0.004 0.0075 #1 0.0078 0.0116 #1 0.0129 #1 0.0043 #1 0.0115 0.0091 #1 0.0054 0.0161 0.0114 0.0094 0.0128 #1 0.0129 NGV 0.0054 0.0161Lithium Total Recoverable g/m3 0.0069 0.016 0.0083 #1 0.0051 0.0071 #1 0.0082 0.0103 #1 0.0120 #1 0.0040 #1 0.0129 0.0090 #1 0.0058 0.0167 0.0114 0.0097 0.0112 #1 0.0130 NGV 0.0058 0.0167Magnesium Dissolved g/m3 6.5 14 11.5 #1 5 9.5 #1 12.2 17.7 #1 25 #1 4.8 16.5 13.4 7.1 22 15.4 11.2 14.200 17.2 NGV 4.8 22Magnesium Total Recoverable g/m3 6.9 15 11.4 #1 5.4 9.0 #1 13.1 16.6 #1 23 #1 4.9 17.3 13.4 7.1 22 14.9 11.9 14.3 18.4 NGV 4.9 22Manganese Dissolved g/m3 0.0064 1.1 0.28 0.102 0.31 #1 0.54 0.83 #1 0.97 #1 0.23 1.11 #1 0.52 0.40 #1 1.16 0.85 #1 0.4 0.51 #1 0.44 #1 0.1 0.23 1.16Manganese Total Recoverable g/m3 0.0061 1.2 0.3 0.116 0.30 #1 0.55 0.81 #1 0.92 #1 0.23 1.10 #1 0.52 0.36 #1 1.21 0.81 #1 0.43 0.49 #1

0.44 #1 0.1 0.23 1.21Mercury Dissolved g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 <0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Mercury Total Recoverable g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 <0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008Molybdenum Dissolved g/m3 < 0.00021 0.00033 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 <0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 NGV < 0.0002 < 0.0002Molybdenum Total Recoverable g/m3 < 0.00021 0.00033 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 <0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Nickel Dissolved g/m3 <0.00050 0.02 0.0116 #1 0.0051 0.0081 0.0104 0.0131 0.0167 #1 0.0045 0.0146 #1 0.0101 0.0046 0.0146 0.0101 0.0059 0.0077 0.0091 0.1 0.0045 0.0146Nickel Total Recoverable g/m3 <0.00053 0.019 0.0115 #1 0.0052 0.0083 0.0106 0.0136 0.0164 #1 0.0047 0.0144 #1 0.0101 0.005 0.0153 0.0107 0.0072 0.0087 0.0095 0.1 0.0047 0.0153Potassium Dissolved g/m3 0.62 0.97 0.80 #1 0.62 0.77 #1 0.78 0.82 1.14 0.66 0.9 0.84 0.53 0.92 0.82 0.77 0.78 1.1 NGV 0.53 1.07Potassium Total Recoverable g/m3 0.67 1 0.79 #1 0.71 0.71 #1 0.79 0.87 1.16 0.69 0.91 1.03 0.65 1.05 0.89 0.81 0.9 1.1 NGV 0.65 1.11Selenium Dissolved g/m3 < 0.0011 < 0.0021 0.001 < 0.0010 < 0.0010 < 0.0010 < 0.0010 <0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.01 < 0.0010 < 0.0010Selenium Total Recoverable g/m3 < 0.0011 < 0.0021 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 <0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Silver Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 < 0.00010 < 0.00010Silver Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 <0.000011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 8.4 13 10.9 #1 7.4 10.2 #1 10.6 13.5 #1 16.8 #1 7.9 12.7 #1 11.3 9.4 #1 14.9 #1 12.2 10.7 13.0 #1 13.8 300 7.9 13.8Sodium Total Recoverable g/m3 8.7 13 10.5 #1 8 9.4 #1 11.3 12.9 #1 16.2 #1 8.1 12.5 #1 13.6 8.9 #1 14.5 #1 12 11.3 12.6 #1 14.7 300 8.1 14.7Tin Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 <0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 NGV < 0.0005 < 0.0005Tin Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 <0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 < 0.000021 < 0.000021 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 <0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 NGV < 0.00002 < 0.00002Uranium Total Recoverable g/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 <0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 0.0039 15.2 15.1 #1 6.5 #1 11.5 #1 8.7 5.8 6.3 3.8 #1 4.2 3.6 1.71 3.3 2.9 2.4 2.6 2.9 #1 5 1.71 4.2Zinc Total Recoverable g/m3

0.0013 16.9 14.0 #1 6.1 #1 10.8 #1 8.8 6.1 7.5 3.7 #1 4.4 3.7 1.74 4.1 3 2.6 2.6 2.8 #1 5 1.74 4.4



Table B-8b: Water Quality Results for Tui Mine Monitoring at SW100Baseline Data


Tunakohoia N Branch, Access Road (SW100)Baseline Data

Minimum Maximum



Sample Location ANZECC GuidelinesSample No. SW101 SW101 SW101 SW101Sampled By URS PDP 2009 PDP 2009 PDP 2009Sampling date 19/08/2009 17/09/09 8/10/09 17/11/09Laboratory Number 719259.3 728224.17 734195.17 744474.4Flow rate m3/sec - 0.0007 0.0251 0.0013 0.0007 0.0251Field:Temperature (ºC) - 11.57 9.55 10.73 15-33 9.55 11.57pH pH units - 7.23 6.57 6.57 5.0-9.0 6.57 7.23Conductivity mS/m - 10.5 7.05 11.3 NGV 7.05 11.3ORP mV - 207 379 306 NGV 207 379Dissolved Oxygen mg/L - 10.49 10.64 11.29 > 6.5 10.49 11.29Turbidity NTU - <5 <5 0.5 NGV <5 0.5Laboratory:pH (pH units) pH units 7 7.2 7 7.5 5.0-9.0 7 7.5Conductivity mS/m 36.5 12.7 9.6 30 NGV 9.6 36.5Total Suspended Solids g/m3 <7.5 < 3.0 < 3.0 < 3.0 NGV <3.0 <3.0Total Dissolved Silica g/m3 - 14 12 12 NGV 12 14Total Cyanide g/m3 - - - - 0.05 - -

Anions meq 2.8 1.2 0.88 #2 1.2 NGV 0.88 2.8Cations meq 2.6 1.0 0.71 #2 0.98 NGV 0.71 2.6Alkalinity g/m3 as CaCO3 18 10 10 9.8 NGV 9.8 18Bicarbonate g/m3 at 25°C 22 12 12 12 NGV 12 22Total Hardness g/m3 as CaCO3 92 33 19 30 500 19 92Calcium g/m3 26 8.7 4.8 7.6 NGV 4.8 26Magnesium g/m3 6.4 2.7 1.7 2.7 NGV 1.7 6.4Potassium g/m3 0.65 0.73 0.54 0.72 NGV 0.54 0.73Sodium g/m3 8.5 8.5 7.1 8.5 300 7.1 8.5Chloride g/m3 10 12 12 12 400 12 12Nitrite-N g/m3 <0.002 < 0.0020 < 0.0020 < 0.0020 1 < 0.0020 < 0.0020Nitrate-N g/m3 0.14 0.16 0.25 0.14 10 0.14 0.25Nitrate-N+Nitrite-N g/m3 0.15 0.16 0.25 0.14 NGV 0.14 0.25Sulphate g/m3 100 30 16 32 400 16 100Metals:Aluminium Dissolved g/m3 0.015 0.0053 0.012 0.0065 0.2 0.0053 0.015Aluminium Total Recoverable g/m3 0.14 0.013 0.018 0.008 0.2 0.008 0.14Antimony Dissolved g/m3 - 0.00046 < 0.00021 0.00037 NGV < 0.00021 0.00046Antimony Total Recoverable g/m3 - 0.00051 0.00036 0.00047 NGV 0.00036 0.00051Arsenic Dissolved g/m3 <0.001 < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0011 < 0.0011Arsenic Total Recoverable g/m3 <0.0021 < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0021 < 0.0011Barium Dissolved g/m3 - 0.018 0.015 0.017 1 0.015 0.018Barium Total Recoverable g/m3 - 0.019 0.015 0.018 1 0.015 0.019Beryllium Dissolved g/m3 - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Beryllium Total Recoverable g/m3 - < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011Boron Dissolved g/m3 0.011 0.012 0.012 0.013 1 0.011 0.013Boron Total Recoverable g/m3 0.011 0.012 0.013 0.012 1 0.011 0.013Cadmium Dissolved g/m3 0.084 0.015 0.014 0.016 0.005 0.014 0.084Cadmium Total Recoverable g/m3 0.087 0.016 0.014 0.017 0.005 0.014 0.087Calcium Dissolved g/m3 - 8 5.6 7.6 NGV 5.6 8Calcium Total Recoverable g/m3 - 8.2 5.5 7.3 NGV 5.5 8.2Chromium Dissolved g/m3 <0.00050 < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Chromium Total Recoverable g/m3 <0.00053 < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053Copper Dissolved g/m3 0.041 0.0046 0.0073 0.0057 1 0.0046 0.041Copper Total Recoverable g/m3 0.19 0.0051 0.0073 0.0057 1 0.0051 0.19Iron Dissolved g/m3 0.03 < 0.021 < 0.021 < 0.021 0.3 <0.021 0.03Iron Total Recoverable g/m3 1.1 < 0.021 < 0.021 < 0.021 0.3 <0.021 1.1Lanthanum Dissolved g/m4 - - - - NGV - -Lanthanum Total Recoverable g/m5 - - - - NGV - -Lead Dissolved g/m3 0.0046 0.2 0.16 0.21 0.05 0.0046 0.21Lead Total Recoverable g/m3 0.073 0.23 0.17 0.23 0.05 0.073 0.23Lithium Dissolved g/m3 - 0.0022 0.0015 0.0022 #1 NGV 0.0015 0.0022Lithium Total Recoverable g/m3 - 0.0023 0.0015 0.0021 #1 NGV 0.0015 0.0023Magnesium Dissolved g/m3 - 3 2.1 2.7 #1 NGV 2.1 3Magnesium Total Recoverable g/m3 - 3.1 2.2 2.5 #1 NGV 2.2 3.1Manganese Dissolved g/m3 0.5 0.0018 0.003 0.0014 #1 0.1 0.0018 0.5Manganese Total Recoverable g/m3 0.53 0.0021 0.0035 0.0013 #1 0.1 0.0021 0.53Mercury Dissolved g/m3 - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Mercury Total Recoverable g/m3 - < 0.000080 < 0.000080 < 0.000080 0.001 < 0.000080 < 0.000080Molybdenum Dissolved g/m3 - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Molybdenum Total Recoverable g/m3 - < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021Nickel Dissolved g/m3 0.0092 0.0014 0.0011 0.0012 #1 0.1 0.0011 0.0092Nickel Total Recoverable g/m3 0.009 0.0015 0.0012 0.0011 #1 0.1 0.0012 0.009Potassium Dissolved g/m3 - 0.68 0.61 0.67 NGV 0.61 0.68Potassium Total Recoverable g/m3 - 0.7 0.6 0.68 NGV 0.6 0.7Selenium Dissolved g/m3 - < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Selenium Total Recoverable g/m3 - < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011Silver Dissolved g/m3 - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Silver Total Recoverable g/m3 - < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011Sodium Dissolved g/m3 - 8 7.6 8.4 300 7.6 8.4Sodium Total Recoverable g/m3 - 8.2 7.7 8.6 300 7.7 8.6Tin Dissolved g/m3 - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Tin Total Recoverable g/m3 - < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053Uranium Dissolved g/m3 - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Uranium Total Recoverable g/m3 - < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021Zinc Dissolved g/m3 12 1.7 1.6 1.8 #1 5 1.6 12Zinc Total Recoverable g/m3 13 1.7 1.6 1.7 #1 5 1.6 13

Notes:"-" Parameter not measured#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 Anion/cation balanced outside DQOsNGV: No guideline value


Table B-9a: Water Quality Results for Tui Mine Monitoring at SW101 (Baseline Data)

Maximum

Baseline Data

Contact Recreational Minimum

Ruakaka Tributary (SW101)



Sample Location ANZECC GuidelinesSample No. SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101Sampled By PDP 2011 PDP 2011 PDP 2011 PDP2012 PDP2012 PDP2012 PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015Sampling date 6/09/11 11/10/11 8/11/11 6/09/12 17/10/12 15/11/12 26/09/13 17/10/13 13/11/13 24/09/14 22/10/14 13/11/14 23/09/15 15/10/15 11/11/15Laboratory Number 930978.7 943005.6 951502.6 1044859.6 1060297.6 1070611.5 1185572.1 1193690.9 1203456.7 1331057.8 1343005.9 1351548.9 1480296.9 1489960.9 1500740.1Flow rate m3/sec 0.0007 0.0251 0.0005 0.0055 0.0018 0.0009 0.0014 0.0001 0.0100 0.0020 0.0026 0.0074 0.0007 0.0018 0.0027 0.0012 0.0006 0.0006 0.0100Field:Temperature (ºC) 9.55 11.57 9.34 11.37 10.40 9.90 9.70 10.60 10.90 14.00 11.40 10.50 11.00 9.50 9.1 10.20 12.80 15-33 9.1 14pH pH units 6.57 7.23 6.72 6.15 6.91 7.58 7.5 7.24 7.18 7.2 6.57 6.95 6.61 7.68 6.99 8.15 7.63 5.0-9.0 6.57 8.15Conductivity mS/m 7.05 11.3 11.9 11.0 9.1 10.0 11.2 11.5 8.7 11.5 11.1 9.6 12.95 12 104.9 116.7 132.6 NGV 8.7 132.6ORP mV 207 379 297 259 341 302 206 176 151.4 157.8 271 205 219.2 200 210.3 147.6 144.8 NGV 144.8 271Dissolved Oxygen mg/L 10.49 11.29 11.79 11.98 11.07 10.17 9.28 10.24 12.4 11.2 10.37 11.68 12.78 11.2 10.47 10.68 9.66 > 6.5 9.66 12.78Turbidity NTU <5 0.5 <5 <5 <5 <5 <5 <5 1.0 1.0 5.9 3.0 0.7 1.0 0.29 0.68 0.47 NGV 0.29 5.9Laboratory:pH (pH units) pH units 7 7.5 7.2 6.9 7.1 7.3 6.5 7.1 6.9 6.9 7.2 7 7.3 7.3 7.0 6.9 7.5 5.0-9.0 6.9 7.5Conductivity mS/m 9.6 36.5 12.7 9.8 11.2 9.9 11.1 11.4 8.7 11.5 11 9.7 12.9 11.9 11.2 12.2 13.4 NGV 8.7 13.4Total Suspended Solids g/m3 <3.0 <3.0 < 3 < 3 < 3 <3 <3 <3 <3 <3 <3 <3 < 3 < 3 < 3 < 3 < 3 NGV < 3 < 3Total Dissolved Silica g/m3 12 14 14.1 9.3 11.2 10.8 12 11.5 10.7 12.6 - 11.5 13.4 11.2 11.0 12.4 14.1 NGV 10.7 14.1

Total Cyanide g/m3 - - - - - - - - - - - - - - - - - 0.05 - -

Anions meq 0.88 2.8 1.27 0.95 1.06 0.94 1.03 1.05 0.87 1.05 1.11 0.9 1.18 1.05 0.98 1.05 1.17 NGV 0.87 1.18

Cations meq 0.71 2.6 1.13 0.89 1.01 0.90 0.91 1.05 0.77 0.99 0.94 0.84 1.11 1.01 0.96 1.04 1.14 NGV 0.77 1.14

Alkalinity g/m3 as CaCO3 9.8 18 11 11.3 10.7 12.3 11.5 11.2 12.6 12.6 17.2 13.5 13.4 10.8 10.2 10.6 10.6 NGV 10.2 17.2

Bicarbonate g/m3 at 25°C 12 22 13.4 13.8 13.0 15.0 14.0 13.6 15.3 15.3 21.0 16.4 16.3 13.1 12.4 12.9 12.9 NGV 12.4 21Total Hardness g/m3 as CaCO3 19 92 34 24 28 24 26 30 18.5 27 27 21 33 30 27 29 35 500 18.5 35

Calcium g/m3 4.8 26 55 5.8 7.0 #1 6.2 #1 6.7 7.8 #1 4.5 6.7 6.7 5.3 8.8 7.7 7.6 7.7 8.9 NGV 4.5 8.9

Magnesium g/m3 1.7 6.4 12.0 #1 2.2 2.5 #1 2.2 2.3 2.7 #1 1.76 2.5 2.5 2.1 2.9 #1 2.7 2.8 2.8 3.2 NGV 1.76 3.2

Potassium g/m3 0.54 0.73 0.82 0.74 0.74 #1 0.63 #1 0.55 0.81 #1 0.67 0.68 0.77 0.61 0.7 0.76 0.74 0.69 0.84 NGV 0.61 0.84Sodium g/m3 7.1 8.5 10.8 #1 7.2 8.4 #1 7.7 7.4 8.5 #1 7.5 8.1 9.4 7.5 #1 8.3 #1 8.1 8.8 8 9.1 300 7.5 9.4

Chloride g/m3 12 12 10.7 10.7 11.3 10.2 10.1 9.6 10.9 11 10.2 10.3 10.8 11 11.0 10.8 11.5 400 10.2 11.5

Nitrite-N g/m3 < 0.0020 < 0.0020 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 <0.002 <0.002 < 0.002 < 0.002 <0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 1 < 0.002 < 0.002

Nitrate-N g/m3 0.14 0.25 0.176 0.2 0.159 0.171 0.155 0.112 0.23 0.143 0.161 0.173 0.122 0.102 0.137 0.115 0.094 10 0.094 0.23

Nitrate-N+Nitrite-N g/m3 0.14 0.25 0.176 0.2 0.159 0.172 0.155 0.113 0.23 0.143 0.161 0.173 0.123 0.102 0.137 0.115 0.094 NGV 0.094 0.23

Sulphate g/m3 16 100 36 19.5 25 19.0 24 26 14 23 22 15.5 29 25 22 25 30 400 14 30Metals:Aluminium Dissolved g/m3 0.0053 0.015 0.005 0.035 0.008 0.013 0.005 0.015 0.02 0.005 0.006 0.008 0.005 0.006 0.007 0.005 0.004 0.2 0.004 0.02

Aluminium Total Recoverable g/m3 0.008 0.14 0.0073 0.046 0.0102 0.0153 0.0067 0.0199 0.026 0.0071 0.0062 0.0137 0.0085 0.0078 0.0103 0.0052 0.0085 0.2 0.0052 0.026

Antimony Dissolved g/m3 < 0.00021 0.00046 0.0004 0.0003 0.0003 0.0003 0.0003 0.0003 0.0002 0.0003 0.0003 <0.0002 0.0004 0.0003 0.0003 0.0004 #1 0.0005 #1 NGV 0.0002 0.0004

Antimony Total Recoverable g/m3 0.00036 0.00051 0.00039 0.00027 0.00036 0.00028 0.00034 0.00030 0.00025 0.00034 0.00033 <0.0021 0.00040 0.00043 0.00032 0.00037 #1 0.00046 #1 NGV 0.00025 0.00043

Arsenic Dissolved g/m3 < 0.0011 < 0.0011 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 <0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.05 < 0.0010 < 0.0010

Arsenic Total Recoverable g/m3 < 0.0021 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 <0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.05 < 0.0011 < 0.0011

Barium Dissolved g/m3 0.015 0.018 0.0184 0.0158 0.0176 0.0165 #1 0.0159 0.0166#1 0.0139 #1 0.0172 0.0168 #1 0.0146 #1 0.020 #1 0.0172 0.0158 0.0177 0.021 1 0.0158 0.021

Barium Total Recoverable g/m3 0.015 0.019 0.02 0.0162 0.0176 0.0147 #1 0.0171 0.0163 #1 0.0135 #1 0.0179 0.0166 #1 0.0144 #1 0.0192 #1 0.017 0.0178 0.019 0.021 1 0.017 0.021Beryllium Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.00010

Beryllium Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00053 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00053

Boron Dissolved g/m3 0.011 0.013 0.013 #1 0.012 0.012 0.011 #1 0.011 0.012 0.012 0.014 #1 0.012 #1 0.012 #1 0.013 #1 0.016 #1 0.011 #1 0.014 0.012 1 0.012 0.014

Boron Total Recoverable g/m3 0.011 0.013 0.0101 #1 0.0138 0.0126 0.0110 #1 0.0117 0.0128 0.012 0.0124 #1 0.0117 #1 0.0109 #1 0.0118 #1 0.0118 #1 0.0093 #1 0.0118 0.013 1 0.0118 0.013Cadmium Dissolved g/m3 0.014 0.084 0.0175 #1 0.021 0.0185 #1 0.0153 #1 0.0150 0.0130 #1 0.0145 #1 0.0173 0.0157 0.0127 0.0170 #1 0.0173 0.0165 0.0172 #1 0.0175 0.005 0.0127 0.0175

Cadmium Total Recoverable g/m3 0.014 0.087 0.0166 #1 0.02 0.0176 #1 0.0147 #1 0.0160 0.0119 #1 0.0133 #1 0.0176 0.0157 0.0128 0.0159 #1 0.0168 0.018 0.0152 #1 0.0175 0.005 0.0128 0.018

Calcium Dissolved g/m3 5.6 8 8.4 5.8 7.0 #1 6.2 #1 6.7 7.8 #1 4.5 6.7 6.8 #1 5.3 8.4 7.4 6.5 7.6 8.8 NGV 4.5 8.8Calcium Total Recoverable g/m3 5.5 8.2 8.5 5.8 6.7 #1 6.1 #1 7.1 7.4 #1 4.6 7.1 6.7 #1 5.3 8.8 7.7 7.6 7.7 8.9 NGV 4.6 8.9

Chromium Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 <0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 0.05 < 0.0005 < 0.0005

Chromium Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 <0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.05 < 0.00053 < 0.00053

Copper Dissolved g/m3 0.0046 0.041 0.0049 0.0181 0.0074 0.0074 0.0051 0.0101 0.009 0.0056 0.0053 0.0055 0.0049 0.0079 0.0057 0.0054 #1 0.0049 1 0.0049 0.009Copper Total Recoverable g/m3 0.0051 0.19 0.0053 0.0181 0.0079 0.0080 0.0053 0.0108 0.0102 0.006 0.0053 0.0064 0.0055 0.0082 0.0071 0.0050 #1 0.0052 1 0.0052 0.0102

Iron Dissolved g/m3 <0.021 0.03 < 0.02 < 0.02 < 0.02 < 0.020 < 0.02 <0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 0.03 < 0.02 < 0.02 < 0.02 0.3 0.03 0.03

Iron Total Recoverable g/m3 <0.021 1.1 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 <0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 - < 0.021 < 0.021 < 0.021 0.3 < 0.021 < 0.021

Lanthanum Dissolved g/m4 - - < 0.00010 0.00012 < 0.00010 < 0.00010 < 0.00010 0.00013 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 NGV < 0.00010 < 0.00010

Lanthanum Total Recoverable g/m5 - - < 0.00011 0.00014 < 0.00011 < 0.00011 < 0.00011 0.00014 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 NGV < 0.00011 < 0.00011

Lead Dissolved g/m3 0.0046 0.21 0.21 0.23 0.188 0.149 0.145 0.194 0.127 0.161 0.155 0.135 0.168 0.19 0.141 0.187 #1 0.173 0.05 0.127 0.19

Lead Total Recoverable g/m3 0.073 0.23 0.21 0.23 0.192 0.153 0.161 0.195 0.142 0.17 0.157 0.138 0.186 0.199 0.156 0.161 #1 0.178 0.05 0.138 0.199Lithium Dissolved g/m3 0.0015 0.0022 0.0024 #1 0.0015 0.0023 #1 0.0016 0.0017 0.0023 #1 0.0015 #1 0.002 0.0019 0.0016 0.0022 0.0021 0.0021 0.0023 #1 0.0024 NGV 0.0016 0.0024

Lithium Total Recoverable g/m3 0.0015 0.0023 0.0022 #1 0.00189 0.0021 #1 0.00173 0.0021 0.0021 #1 0.00142 #1 0.0022 0.00196 0.00169 0.0024 0.0021 0.0022 0.0022 #1 0.0024 NGV 0.00169 0.0024Magnesium Dissolved g/m3 2.1 3 3.1 #1 2.2 2.5 #1 2.2 2.3 2.7 #1 1.76 2.5 2.5 1.88 3.0 #1 2.7 2.5 2.6 3.1 NGV 1.76 3.1

Magnesium Total Recoverable g/m3 2.2 3.1 2.9 #1 2.1 2.4 #1 2.2 2.5 2.4 #1 1.78 2.6 2.5 2.1 2.9 #1 2.7 2.8 2.8 3.2 NGV 1.78 3.2

Manganese Dissolved g/m3 0.0018 0.5 0.0011 0.0072 0.0015 #1 0.0016 0.0011 0.0013 0.0031 0.0009 0.001 0.0014 0.0011 0.0011 0.0008 0.0007 0.0009 0.1 0.0007 0.0031Manganese Total Recoverable g/m3 0.0021 0.53 0.00124 0.0077 0.00149 #1 0.00184 0.00122 0.00165 0.0037 0.0011 0.00114 0.00175 0.00111 0.00116 0.00123 0.00098 0.00095 0.1 0.00095 0.0037

Mercury Dissolved g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008

Mercury Total Recoverable g/m3 < 0.000080 < 0.000080 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 <0.00008 < 0.00008 < 0.00008 0.001 < 0.00008 < 0.00008

Molybdenum Dissolved g/m3 < 0.00021 < 0.00021 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 NGV < 0.0002 < 0.0002

Molybdenum Total Recoverable g/m3 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 NGV < 0.00021 < 0.00021

Nickel Dissolved g/m3 0.0011 0.0092 0.0014 0.0012 0.0014 #1 0.0011 #1 0.0011 0.0012 0.0009 0.0013 #1 0.0011 #1 0.001 0.0013 0.0013 0.0012 0.0012 0.0013 0.1 0.0009 0.0013Nickel Total Recoverable g/m3 0.0012 0.009 0.00164 0.00127 0.00126 #1 0.00101 #1 0.00113 0.00122 0.00101 0.00124 #1 0.00079 #1 0.00109 0.00144 0.00134 0.00136 0.00147 0.0014 0.1 0.00101 0.00147

Potassium Dissolved g/m3 0.61 0.68 0.71 #1 0.74 0.74 #1 0.63 #1 0.55 0.81 #1 0.67 #1 0.68 #1 0.59 0.53 0.65 0.73 0.68 0.63 0.79 NGV 0.53 0.79

Potassium Total Recoverable g/m3 0.6 0.7 0.67 #1 0.77 0.69 #1 0.62 #1 0.66 0.78 #1 0.66 #1 0.66 #1 0.77 0.61 0.7 0.76 0.74 0.69 0.84 NGV 0.61 0.84Selenium Dissolved g/m3 < 0.0011 < 0.0011 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 <0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.01 < 0.0010 < 0.0010

Selenium Total Recoverable g/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 <0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.01 < 0.0011 < 0.0011

Silver Dissolved g/m3 < 0.00011 < 0.00011 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.05 < 0.00010 < 0.00010

Silver Total Recoverable g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.05 < 0.00011 < 0.00011

Sodium Dissolved g/m3 7.6 8.4 8.7 #1 7.2 8.4 #1 7.7 7.4 8.5 #1 7.5 8.3 #1 7.4 8.2 #1 8.6 #1 7.8 7.9 8.5 #1 8.5 300 7.4 8.5

Sodium Total Recoverable g/m3 7.7 8.6 8.4 #1 7.3 8.0 #1 8.0 7.9 7.5 #1 7.5 8.1 #1 9.4 7.5 #1 8.3 #1 8.1 8.8 8.0 #1 9.1 300 7.5 9.4Tin Dissolved g/m3 < 0.00053 < 0.00053 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 NGV < 0.0005 < 0.0005

Tin Total Recoverable g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 NGV < 0.00053 < 0.00053

Uranium Dissolved g/m3 < 0.000021 < 0.000021 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 NGV < 0.00002 < 0.00002

Uranium Total Recoverable g/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 NGV < 0.000021 < 0.000021

Zinc Dissolved g/m3 1.6 12 1.93 #1 2.7 #1 2.2 #1 1.83 #1 1.76 1.50 #1 1.65 #1 2.2 #1 1.87 #1 1.45 #1 1.83 #1 2 1.94 2.0 #1 2.0 #1 5 1.94 2

Zinc Total Recoverable g/m3 1.6 13 1.85 #1 2.4 #1 1.97 #1 1.75 #1 1.82 1.38 #1 1.57 #1 1.93 #1 1.71 #1 1.36 #1 1.80 #1 1.91 2.1 1.83 #1 1.82 #1 5 1.91 2.1

Notes:"-" Parameter not measured#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analytical variation of the methods.#2 Anion/cation balanced outside DQOsNGV: No guideline value


Table B-9b: Water Quality Results for Tui Mine Monitoring at SW101 (Post Remediation Data)Post Remediation Data (2013-2015)


Ruakaka Tributary (SW101)Baseline Data


Appendix C

Fluxes


\\aklsrv2\jobs\A02200_A02299\A02277 Tui Mine\A02277814 2015 monitoring\S_Spreadsheets\Water Quality Monitoring Report\Appendix C Flux\A02277814_2015 Flux App C.xlsx PATTLE DELAMORE PARTNERS LTD

Sample LocationSample No. SW3 ADIT4 ADIT4 ADIT4 SW3 SW3 SW3Sampled By URS Sharplin Sharplin Sharplin PDP PDP PDPSampling date 15/12/2001 30/01/2007 3/05/2007 27/07/2007 17/09/2009 8/10/2009 17/11/2009Laboratory Number 728224.1 734195.1 744474.1Flow Rate L/s 5.0000 0.2530 0.8100 0.5730 0.1641 2.1107 0.3608 0.1641 5.0000Flow Rate m3/sec 0.0050 0.0003 0.0008 0.0006 0.0002 0.0021 0.0004 0.0002 0.0050Sulphate g/m3

14.2 26.4 17.6 12.0 20.0 12.0 28.0 12.0 28.0

Arsenic Dissolved g/m3 - <d.l. <d.l. <d.l. < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Arsenic Total Recoverable g/m3 - <d.l. 0.0010 <d.l. < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.0010Cadmium Dissolved g/m3 0.0024 0.0050 0.0030 0.0025 0.0036 0.0016 0.0038 0.0016 0.0050Cadmium Total Recoverable g/m3 0.0031 0.0050 0.0040 0.0025 0.0038 0.0015 0.0040 0.0015 0.0050Copper Dissolved g/m3 0.0043 0.0040 0.0010 0.0009 0.0019 0.0010 0.0013 0.0009 0.0043Copper Total Recoverable g/m3 0.0124 0.0040 0.0380 0.0011 0.0029 0.0012 0.0160 0.0011 0.0380Iron Dissolved g/m3 <0.02 0.0160 0.0160 0.0045 < 0.021 < 0.021 < 0.021 < 0.02 0.0160Iron Total Recoverable g/m3 1.2700 0.0290 0.4170 0.5260 < 0.021 < 0.021 < 0.021 < 0.021 1.2700Lead Dissolved g/m3 0.0006 <d.l. <d.l. <d.l. 0.0006 0.0005 0.0009 <d.l. 0.0009Lead Total Recoverable g/m3 0.0697 0.0030 0.0080 0.0055 0.0013 0.0008 0.0011 0.0008 0.0697Zinc Dissolved g/m3 0.2530 0.5950 0.3060 0.1850 0.4100 0.1800 0.4300 0.1800 0.5950Zinc Total Recoverable g/m3

0.3810 0.5720 0.3760 0.1856 0.3900 0.1800 0.4200 0.1800 0.5720

Sample No. SW3 ADIT4 ADIT4 ADIT4 SW3 SW3 SW3Sampling date 15/12/2001 30/01/2007 3/05/2007 27/07/2007 17/09/2009 8/10/2009 17/11/2009Sulphate g/s 7.10E-02 6.68E-03 1.43E-02 6.88E-03 3.28E-03 2.53E-02 1.01E-02 3.28E-03 7.10E-02Arsenic Dissolved g/s - NC NC NC NC NC NC NC NCArsenic Total Recoverable g/s - NC 8.10E-07 NC NC NC NC 8.10E-07 8.10E-07Cadmium Dissolved g/s 1.19E-05 1.27E-06 2.43E-06 1.43E-06 5.91E-07 3.38E-06 1.37E-06 5.91E-07 6.12E-04Cadmium Total Recoverable g/s 1.55E-05 1.27E-06 3.24E-06 1.44E-06 6.24E-07 3.17E-06 1.44E-06 6.24E-07 5.27E-04Copper Dissolved g/s 2.15E-05 1.01E-06 8.10E-07 5.10E-07 3.12E-07 2.03E-06 4.69E-07 3.12E-07 1.08E-03Copper Total Recoverable g/s 6.20E-05 1.01E-06 3.08E-05 6.13E-07 4.76E-07 2.53E-06 5.77E-06 4.76E-07 1.55E-03Iron Dissolved g/s NC 4.05E-06 1.30E-05 2.56E-06 NC NC NC 2.56E-06 1.30E-05Iron Total Recoverable g/s 6.35E-03 7.34E-06 3.38E-04 3.01E-04 NC NC NC 7.34E-06 6.35E-03Lead Dissolved g/s 3.00E-06 NC NC NC 9.52E-08 1.03E-06 3.36E-07 9.52E-08 3.25E-04Lead Total Recoverable g/s 3.49E-04 7.59E-07 6.48E-06 3.17E-06 2.13E-07 1.69E-06 3.97E-07 2.13E-07 5.29E-04Zinc Dissolved g/s 1.27E-03 1.51E-04 2.48E-04 1.06E-04 6.73E-05 3.80E-04 1.55E-04 6.73E-05 7.65E-02Zinc Total Recoverable g/s 1.91E-03 1.45E-04 3.05E-04 1.06E-04 6.40E-05 3.80E-04 1.52E-04 6.40E-05 7.48E-02

Note:NC: Not calculated. Mass Flux not calculated if the results are below the analytical detection limit.

Minimum MaximumUnits

Table C-1a: Assessment of the Mass loads of Contaminants at SW3 (Baseline data (2001-2009)Baseline Data

Mass Fluxes SW3 Baseline Data

Minimum Maximum

Level 4 Adit (SW3)



Sample LocationSample No. SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3Sampled By PDP PDP PDP PDP PDP PDP PDP PDP PDPSampling date 26/09/2013 17/10/2013 13/11/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Laboratory Number 1185572.1 1193690.1 1203456.1 1331057.1 1343005.1 1351548.1 1480296.1 1489960.1 1500740.1Flow Rate L/s 0.1641 5.0000 0.7600 0.7600 1.0600 2.5320 0.3382 0.3000 0.8000 0.6128 0.3400 0.30000 2.53203Flow Rate m3/sec 0.0002 0.0050 0.0008 0.0008 0.0011 0.0025 0.0003 0.0003 0.0008 0.0006 0.0003 0.00030 0.00253

Sulphate g/m3 12 28 24 53 32 22 60 41 34 41 53 22 60Arsenic Dissolved g/m3 < 0.0011 < 0.0011 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 <d.l. 0.0010 < 0.0011 < 0.0011 < 0.0011 <0.0011 0.0012 0.0012 < 0.0011 < 0.0011 0.0011 < 0.0011 0.0012Cadmium Dissolved g/m3 0.0016 0.0050 0.0320 0.0270 0.0200 0.011 0.042 0.033 0.021 0.027 0.036 0.0112 0.0420Cadmium Total Recoverable g/m3 0.0015 0.0050 0.0300 0.0290 0.0200 0.012 0.040 0.033 0.023 0.027 0.035 0.0116 0.0400Copper Dissolved g/m3 0.0009 0.0043 0.0800 0.0310 0.0360 0.022 0.036 0.034 0.035 0.040 0.034 0.0220 0.0800Copper Total Recoverable g/m3 0.0011 0.0380 0.1040 0.0720 0.0580 0.032 0.093 0.081 0.061 0.070 0.082 0.0320 0.1040Iron Dissolved g/m3 < 0.02 0.0160 0.0400 < 0.02 0.0300 0.050 < 0.02 < 0.02 0.050 0.030 < 0.02 < 0.02 0.0500Iron Total Recoverable g/m3 < 0.021 1.2700 0.2100 0.6000 0.2600 0.166 0.660 0.500 0.320 0.400 0.490 0.1660 0.6600Lead Dissolved g/m3 <d.l. 0.00093 0.0550 0.0180 0.0460 0.057 0.012 0.010 0.044 0.034 0.008 0.0084 0.0570Lead Total Recoverable g/m3 0.00080 0.06970 0.0960 0.1350 0.1230 0.095 0.118 0.092 0.115 0.114 0.081 0.0810 0.1350Zinc Dissolved g/m3 0.18 0.60 4.5 4.9 2.9 1.7 6.7 5.2 3.4 4.3 4.3 1.7 6.7Zinc Total Recoverable g/m3

0.18 0.57 4.2 4.4 2.9 1.7 6.8 4.8 3.6 4.2 4.2 1.7 6.8

Mass Fluxes SW3Sample No. SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3 SW3Sampling date 26/09/2013 17/10/2013 13/11/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Sulphate g/s 3.28E-03 7.10E-02 1.82E-02 4.03E-02 3.39E-02 5.57E-02 2.03E-02 1.23E-02 2.72E-02 2.51E-02 1.80E-02 1.23E-02 5.57E-02Arsenic Dissolved g/s NC NC NC NC NC NC NC NC NC NC NC NC NCArsenic Total Recoverable g/s NC 8.10E-07 NC NC NC NC 4.06E-07 3.60E-07 NC NC 6.74E-07 3.60E-07 6.74E-07Cadmium Dissolved g/s 5.91E-07 6.12E-04 2.43E-05 2.05E-05 2.12E-05 2.84E-05 1.42E-05 9.90E-06 1.68E-05 1.65E-05 2.21E-05 9.90E-06 2.84E-05Cadmium Total Recoverable g/s 6.24E-07 5.27E-04 2.28E-05 2.20E-05 2.12E-05 2.94E-05 1.35E-05 9.90E-06 1.84E-05 1.65E-05 2.14E-05 9.90E-06 2.94E-05Copper Dissolved g/s 3.12E-07 1.08E-03 6.08E-05 2.36E-05 3.82E-05 5.57E-05 1.22E-05 1.02E-05 2.80E-05 2.45E-05 2.08E-05 1.02E-05 6.08E-05Copper Total Recoverable g/s 4.76E-07 1.55E-03 7.90E-05 5.47E-05 6.15E-05 8.10E-05 3.15E-05 2.43E-05 4.88E-05 4.29E-05 5.02E-05 2.43E-05 8.10E-05Iron Dissolved g/s 2.56E-06 1.30E-05 3.04E-05 NC 3.18E-05 1.27E-04 NC NC 4.00E-05 1.84E-05 NC 1.84E-05 1.27E-04Iron Total Recoverable g/s 7.34E-06 6.35E-03 1.60E-04 4.56E-04 2.76E-04 4.20E-04 2.23E-04 1.50E-04 2.56E-04 2.45E-04 3.00E-04 1.50E-04 4.56E-04Lead Dissolved g/s 9.52E-08 3.25E-04 4.18E-05 1.37E-05 4.88E-05 1.44E-04 3.99E-06 3.12E-06 3.52E-05 2.08E-05 5.15E-06 3.12E-06 1.44E-04Lead Total Recoverable g/s 2.13E-07 5.29E-04 7.30E-05 1.03E-04 1.30E-04 2.41E-04 3.99E-05 2.76E-05 9.20E-05 6.99E-05 4.96E-05 2.76E-05 2.41E-04Zinc Dissolved g/s 6.73E-05 7.65E-02 3.42E-03 3.72E-03 3.07E-03 4.41E-03 2.27E-03 1.56E-03 2.72E-03 2.63E-03 2.63E-03 1.56E-03 4.41E-03Zinc Total Recoverable g/s 6.40E-05 7.48E-02 3.19E-03 3.34E-03 3.07E-03 4.25E-03 2.30E-03 1.44E-03 2.88E-03 2.57E-03 2.57E-03 1.44E-03 4.25E-03


UnitsMinimum Maximum

Minimum Maximum

Minimum Maximum

Table C-1b: Assessment of the Mass loads of Contaminants at SW3 (Post baseline data)Post Remediation Data

Minimum Maximum


Level 4 Adit (SW3)Baseline Data

Baseline Data



Sample LocationSample No. SW5 ADIT5 ADIT5 ADIT5 ADIT5 SW5 SW5 SW5Sampled By URS Sharplin Sharplin Sharplin Sharplin PDP 2009 PDP 2009 PDP 2009Sampling date 15/12/2001 30/01/2007 3/05/2007 27/07/2007 3/11/2007 17/09/2009 8/10/2009 17/11/2009Laboratory Number 728224.3 734195.3 744474.2Flow Rate L/s 10 9.91 6.97 12.01 14.3 5.7 10.2 8.1 5.7 14.3Flow rate m3/sec 0.0100 0.0099 0.0070 0.0120 0.0143 0.0057 0.0102 0.0081 0.0057 0.0143Sulphate g/m3 235 278 268 276 292 270 210 280 210 292Arsenic Dissolved g/m3 - 0.001 0.0008 0.0014 0.0015 < 0.0021 < 0.0053 0.0014 < 0.0021 0.0015Arsenic Total Recoverable g/m3 - 0.004 0.003 0.003981 0.0052 0.0052 0.0038 0.0048 0.003 0.0052Cadmium Dissolved g/m3 0.133 0.033 0.103 0.16 0.12 0.13 0.19 0.12 0.033 0.19Cadmium Total Recoverable g/m3 0.144 0.108 0.114 0.144 0.13 0.15 0.21 0.14 0.108 0.21Copper Dissolved g/m3 0.0145 0.008 0.005 0.02489 0.012 0.0085 0.043 0.0093 0.005 0.043Copper Total Recoverable g/m3 0.222 0.135 0.099 0.433 0.19 0.2 0.49 0.21 0.099 0.49Iron Dissolved g/m3 <0.02 0.0032 0.012 0.457 <0.02 < 0.021 < 0.021 < 0.021 < 0.02 0.457Iron Total Recoverable g/m3 3.03 2.46 3.16 2.724 3.7 4.7 4.4 4.2 2.46 4.7Lead Dissolved g/m3 0.0009 0.001 <d.l. <d.l. 0.0003 0.00025 0.00077 0.00026 <d.l. 0.0010Lead Total Recoverable g/m3 0.0979 0.04 0.03 0.03137 0.077 0.072 0.15 0.077 0.03 0.15Zinc Dissolved g/m3 17.4 17 14.6 24.6 18 20 27 19 14.6 27Zinc Total Recoverable g/m3

19.4 18.3 16.8 25.6 20 22 30 22 16.8 30

Sample No. SW5 ADIT5 ADIT5 ADIT5 ADIT5 SW5 SW5 SW5Sampling date 15/12/2001 30/01/2007 3/05/2007 27/07/2007 3/11/2007 17/09/2009 8/10/2009 17/11/2009Sulphate g/s 2.35E+00 2.75E+00 1.87E+00 3.31E+00 4.18E+00 1.54E+00 2.14E+00 2.27E+00 1.54E+00 4.18E+00Arsenic Dissolved g/s - 9.91E-06 5.58E-06 1.66E-05 2.15E-05 NC NC 1.13E-05 5.58E-06 2.15E-05Arsenic Total Recoverable g/s - 3.96E-05 2.09E-05 4.78E-05 7.44E-05 2.96E-05 3.88E-05 3.89E-05 2.09E-05 7.44E-05Cadmium Dissolved g/s 1.33E-03 3.27E-04 7.18E-04 1.92E-03 1.72E-03 7.41E-04 1.94E-03 9.72E-04 3.27E-04 1.94E-03Cadmium Total Recoverable g/s 1.44E-03 1.07E-03 7.95E-04 1.73E-03 1.86E-03 8.55E-04 2.14E-03 1.13E-03 7.95E-04 2.14E-03Copper Dissolved g/s 1.45E-04 7.93E-05 3.49E-05 2.99E-04 1.72E-04 4.85E-05 4.39E-04 7.53E-05 3.49E-05 4.39E-04Copper Total Recoverable g/s 2.22E-03 1.34E-03 6.90E-04 5.20E-03 2.72E-03 1.14E-03 5.00E-03 1.70E-03 6.90E-04 5.20E-03Iron Dissolved g/s NC 3.17E-05 8.36E-05 5.49E-03 NC NC NC NC 3.17E-05 5.49E-03Iron Total Recoverable g/s 3.03E-02 2.44E-02 2.20E-02 3.27E-02 5.29E-02 2.68E-02 4.49E-02 3.40E-02 2.20E-02 5.29E-02Lead Dissolved g/s 9.00E-06 9.91E-06 NC NC 4.29E-06 1.43E-06 7.85E-06 2.11E-06 1.43E-06 9.91E-06Lead Total Recoverable g/s 9.79E-04 3.96E-04 2.09E-04 3.77E-04 1.10E-03 4.10E-04 1.53E-03 6.24E-04 2.09E-04 1.53E-03Zinc Dissolved g/s 1.74E-01 1.68E-01 1.02E-01 2.95E-01 2.57E-01 1.14E-01 2.75E-01 1.54E-01 1.02E-01 2.95E-01Zinc Total Recoverable g/s 1.94E-01 1.81E-01 1.17E-01 3.07E-01 2.86E-01 1.25E-01 3.06E-01 1.78E-01 1.17E-01 3.07E-01


Value exceeds ANZECC Guideline values

Mass Fluxes SW5


Table C-2a: Assesssment of the Mass loads of Contaminants at SW5 (Baseline data (2001-2009)Baseline Data

Minimum Maximum

Baseline Data

Level 5 Adit (SW5)



Sample LocationSample No. SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5Sampled By PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015

Sampling date 26/09/2013 17/10/2013 13/11/2013 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Laboratory Number 1185572.2 1193690.2 1203456.2 1343005.2 1351548.2 1480296.2 1489960.2 1500740.2

Flow Rate L/s 5.7 14.3 1.5 1.9 1.6 2.5 2.6 2.4 2.5 3.0 1.5 3.0Flow rate m3/sec 0.0057 0.0143 0.0015 0.0019 0.0016 0.0025 0.0026 0.0024 0.0025 0.0030 0.0015 0.003Sulphate g/m3 210 292 1060 1150 1130 1020 840 680 660 650 650 1150

Arsenic Dissolved g/m3 < 0.0021 0.0015 0.028 0.025 0.023 0.02 0.021 0.0162 0.0183 0.0178 0.0162 0.028Arsenic Total Recoverable g/m3 0.003 0.0052 0.03 0.027 0.029 0.031 0.032 0.021 0.027 0.026 0.021 0.032

Cadmium Dissolved g/m3 0.033 0.19 0.0104 0.0114 0.0122 0.007 0.0064 0.0032 0.0031 0.0034 0.0031 0.0122Cadmium Total Recoverable g/m3 0.108 0.21 0.0108 0.0121 0.0131 0.0073 0.0066 0.0034 0.0035 0.0035 0.0034 0.0131

Copper Dissolved g/m3 0.005 0.043 < 0.0005 < 0.0010 < 0.0005 < 0.0010 < 0.0005 < 0.0005 < 0.0005 < 0.0005 <0.0005 <0.0010Copper Total Recoverable g/m3 0.099 0.49 < 0.0011 < 0.0011 < 0.00053 < 0.0011 < 0.00053 0.00146 < 0.00053 0.00068 <0.00053 0.00146

Iron Dissolved g/m3 < 0.02 0.457 18.7 18.6 17.1 13.9 13.9 7.3 8.7 7.1 7.1 18.7Iron Total Recoverable g/m3 2.46 4.7 18.8 19.8 21 17.1 16.8 10.1 12.3 9.8 9.8 21

Lead Dissolved g/m3 <d.l. 0.001 0.00015 < 0.0002 0.0001 <0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 <0.00010 0.00015Lead Total Recoverable g/m3 0.03 0.15 0.0029 0.0033 0.00151 0.00016 0.00091 0.00124 0.00086 0.0021 0.00016 0.0033

Zinc Dissolved g/m3 14.6 27 9.3 9.4 9 7.8 7.1 4.3 4.7 4.4 4.3 9.4Zinc Total Recoverable g/m3

16.8 30 10.7 9.9 9.8 7.8 7 4.9 5.1 4.7 4.7 10.7

Mass Fluxes SW5Sample No. SW5 SW5 SW5 SW5 SW5 SW5 SW5 SW5Sampling date 26/09/2013 17/10/2013 13/11/2013 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015

Sulphate g/s 1.54E+00 4.18E+00 1.59E+00 2.14E+00 1.75E+00 2.58E+00 2.18E+00 1.62E+00 1.68E+00 1.95E+00 1.59E+00 2.58E+00Arsenic Dissolved g/s 5.58E-06 2.15E-05 4.20E-05 4.65E-05 3.57E-05 5.06E-05 5.46E-05 3.87E-05 4.66E-05 5.33E-05 3.57E-05 5.46E-05

Arsenic Total Recoverable g/s 2.09E-05 7.44E-05 4.50E-05 5.02E-05 4.50E-05 7.85E-05 8.32E-05 5.01E-05 6.87E-05 7.79E-05 4.50E-05 8.32E-05Cadmium Dissolved g/s 3.27E-04 1.94E-03 1.56E-05 2.12E-05 1.89E-05 1.77E-05 1.66E-05 7.64E-06 7.89E-06 1.02E-05 7.64E-06 2.12E-05

Cadmium Total Recoverable g/s 7.95E-04 2.14E-03 1.62E-05 2.25E-05 2.03E-05 1.85E-05 1.72E-05 8.12E-06 8.91E-06 1.05E-05 8.12E-06 2.25E-05Copper Dissolved g/s 3.49E-05 4.39E-04 NC NC NC NC NC NC NC NC NC NC

Copper Total Recoverable g/s 6.90E-04 5.20E-03 NC NC NC NC NC 3.49E-06 NC 2.04E-06 2.04E-06 3.49E-06Iron Dissolved g/s 3.17E-05 5.49E-03 2.81E-02 3.46E-02 2.65E-02 3.52E-02 3.61E-02 1.74E-02 2.22E-02 2.13E-02 1.74E-02 3.61E-02

Iron Total Recoverable g/s 2.20E-02 5.29E-02 2.82E-02 3.68E-02 3.26E-02 4.33E-02 4.37E-02 2.41E-02 3.13E-02 2.94E-02 2.41E-02 4.37E-02Lead Dissolved g/s 1.43E-06 9.91E-06 2.25E-07 NC 1.55E-07 NC NC NC NC NC 1.55E-07 2.25E-07

Lead Total Recoverable g/s 2.09E-04 1.53E-03 4.35E-06 6.14E-06 2.34E-06 4.05E-07 2.37E-06 2.96E-06 2.19E-06 6.29E-06 4.05E-07 6.29E-06Zinc Dissolved g/s 1.02E-01 2.95E-01 1.40E-02 1.75E-02 1.40E-02 1.97E-02 1.85E-02 1.03E-02 1.20E-02 1.32E-02 1.03E-02 1.97E-02

Zinc Total Recoverable g/s 1.17E-01 3.07E-01 1.61E-02 1.84E-02 1.52E-02 1.97E-02 1.82E-02 1.17E-02 1.30E-02 1.41E-02 1.17E-02 1.97E-02




Minimum Maximum

Minimum Maximum

Table C-2b: Assesssment of the Mass loads of Contaminants at SW5 (Post Remediation)Level 5 Adit (SW5)Baseline Data

Baseline Data


Minimum Maximum




Sample LocationSample No.Sampled By URS Sharplin Sharplin Sharplin PDP PDP PDPSampling date 15/12/2001 30/01/2007 3/05/2007 27/07/2007 17/09/2009 8/10/2009 17/11/2009Laboratory NumberFlow Rate L/s 15.0000 10.1630 7.7800 12.5830 14.4641 7.8107 10.5608 7.78000 15.00000

Flow Rate m3/sec 0.0150 0.0102 0.0078 0.0126 0.0145 0.0078 0.0106 0.00016 0.00500

Sulphate g/m3

Arsenic Dissolved g/m3 <d.l <d.l <d.l <d.l <d.l <d.l <d.l <d.l. <d.l.Arsenic Total Recoverable g/m3 <d.l <d.l <d.l <d.l <d.l <d.l <d.l <d.l. <d.l.Cadmium Dissolved g/m3 0.14 0.04 0.11 0.16 0.12 0.13 0.19 0.038 0.19Cadmium Total Recoverable g/m3 0.15 0.11 0.12 0.15 0.13 0.15 0.21 0.11 0.21Copper Dissolved g/m3 0.019 0.012 0.006 0.026 0.014 0.009 0.044 0.006 0.044Copper Total Recoverable g/m3 0.23 0.14 0.14 0.43 0.19 0.20 0.51 0.14 0.51Iron Dissolved g/m3 <d.l 0.019 0.028 0.46 <d.l <d.l <d.l <d.l. 0.46Iron Total Recoverable g/m3 4.3 2.5 3.6 3.3 <d.l <d.l <d.l <d.l. 4.3Lead Dissolved g/m3 0.0015 <d.l <d.l <d.l 0.0009 0.0007 0.0017 0.0007 0.0017Lead Total Recoverable g/m3 0.17 0.043 0.038 0.037 0.08 0.07 0.15 0.037 0.168Zinc Dissolved g/m3 18 18 15 25 18 20 27 15 27Zinc Total Recoverable g/m3

20 19 17 26 20 22 30 17 30

Sample No.Sampling date 15/12/2001 30/01/2007 3/05/2007 27/07/2007 17/09/2009 8/10/2009 17/11/2009Sulphate g/s 2.37E+00 2.76E+00 1.88E+00 4.18E+00 2.17E+00 2.17E+00 2.28E+00 1.88E+00 4.18E+00Arsenic Dissolved g/s NC NC NC NC NC NC NC <d.l. <d.l.Arsenic Total Recoverable g/s NC NC NC NC NC NC NC <d.l. <d.l.Cadmium Dissolved g/s 2.03E-03 3.86E-04 8.25E-04 2.04E-03 1.79E-03 1.03E-03 2.05E-03 3.9E-04 2.0E-03Cadmium Total Recoverable g/s 2.21E-03 1.15E-03 9.18E-04 1.84E-03 1.94E-03 1.18E-03 2.26E-03 9.2E-04 2.3E-03Copper Dissolved g/s 2.82E-04 1.22E-04 4.67E-05 3.24E-04 2.01E-04 7.39E-05 4.68E-04 4.7E-05 4.7E-04Copper Total Recoverable g/s 3.52E-03 1.41E-03 1.07E-03 5.46E-03 2.79E-03 1.57E-03 5.34E-03 1.1E-03 5.5E-03Iron Dissolved g/s NC 1.95E-04 2.18E-04 5.81E-03 NC NC NC <d.l. 0.01Iron Total Recoverable g/s 6.45E-02 2.53E-02 2.78E-02 4.09E-02 NC NC NC <d.l. 0.1Lead Dissolved g/s 2.25E-05 NC NC NC 1.27E-05 5.78E-06 1.80E-05 5.8E-06 2.3E-05Lead Total Recoverable g/s 2.51E-03 4.37E-04 2.96E-04 4.64E-04 1.13E-03 5.69E-04 1.60E-03 3.0E-04 2.5E-03Zinc Dissolved g/s 2.65E-01 1.79E-01 1.16E-01 3.12E-01 2.66E-01 1.58E-01 2.90E-01 0.12 0.31Zinc Total Recoverable g/s 2.97E-01 1.92E-01 1.34E-01 3.24E-01 2.95E-01 1.73E-01 3.21E-01 0.13 0.32

Note:NC: Not calculated. Mass Flux not calculated if the results are below the analytical detection limit.<d.L. = Less than detection limit.


Table C-3a: Assessment of the Mass loads of Contaminants at SW3 and SW5 Combined (Baseline data (2001-2009)SW3 and SW5 Baseline Data

Minimum Maximum




Sample LocationSample No.Sampled By PDP PDP PDP PDP PDP PDP PDP PDP PDPSampling date 26/09/2013 17/10/2013 13/11/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Laboratory NumberFlow Rate L/s 2.2600 2.6200 2.6100 5.0641 2.9382 2.6870 3.3460 3.6088 1.8400 1.84000 5.06406Flow Rate m3/sec 0.0023 0.0026 0.0026 0.0051 0.0029 0.0027 0.0033 0.0036 0.0018 0.00184 0.00506

Sulphate g/m3 NCArsenic Dissolved g/m3 <d.l. <d.l. <d.L. <d.L. <d.L. NC <d.L. <d.L. <d.L. <d.L. <d.L. < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 <d.l. <d.l. <d.L. <d.L. <d.L. NC 0.030 0.032 <d.L. <d.L. 0.028 0.028 0.0322Cadmium Dissolved g/m3 0.038 0.194 0.065 0.217 0.030 NC 0.054 0.040 0.027 0.030 0.039 0.027 0.217Cadmium Total Recoverable g/m3 0.11 0.21 0.138 0.239 0.031 NC 0.053 0.040 0.030 0.030 0.039 0.030 0.239Copper Dissolved g/m3 0.006 0.044 0.085 0.074 <d.L. NC <d.L. <d.L. <d.L. <d.L. <d.L. 0.074 0.085Copper Total Recoverable g/m3 0.14 0.51 0.20 0.56 <d.L. NC <d.L. <d.L. <d.L. 0.07 <d.L. 0.071 0.562Iron Dissolved g/m3 <d.l. 0.46 <d.L. <d.L. 18.7 NC <d.L. <d.L. 14.0 7.3 <d.L. 7.3 18.7Iron Total Recoverable g/m3 <d.l. 4.3 2.7 5.3 19.1 NC 21.7 17.6 17.1 10.5 12.8 2.7 21.7Lead Dissolved g/m3 0.001 0.002 #VALUE! 0.019 0.046 NC 0.012 <d.L. <d.L. <d.L. <d.L. #VALUE! #VALUE!Lead Total Recoverable g/m3 0.037 0.168 0.126 0.285 0.126 NC 0.120 0.092 0.116 0.115 0.082 0.082 0.285Zinc Dissolved g/m3 15 27 19.1 31.9 12.2 NC 15.7 13.0 10.5 8.6 9.0 8.6 31.9Zinc Total Recoverable g/m3

17 30 21.0 34.4 13.6 NC 16.6 12.6 10.6 9.1 9.3 9.1 34.4

Mass Fluxes SW3Sample No.Sampling date 26/09/2013 17/10/2013 13/11/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Sulphate g/s 1.88E+00 4.18E+00 1.61E+00 2.18E+00 1.79E+00 NC 2.60E+00 2.20E+00 1.65E+00 1.71E+00 1.97E+00 1.61E+00 2.60E+00Arsenic Dissolved g/s <d.l. <d.l. NC NC NC NC NC NC NC NC NC NC NCArsenic Total Recoverable g/s <d.l. <d.l. NC NC NC NC 8.87E-05 8.65E-05 NC NC 1.01E-04 8.65E-05 1.01E-04Cadmium Dissolved g/s 3.86E-04 2.05E-03 2.43E-05 2.05E-05 2.12E-05 NC 1.59E-04 1.07E-04 9.17E-05 1.09E-04 1.41E-04 2.05E-05 1.59E-04Cadmium Total Recoverable g/s 9.18E-04 2.27E-03 2.28E-05 2.20E-05 2.12E-05 NC 1.56E-04 1.08E-04 9.90E-05 1.10E-04 1.39E-04 2.12E-05 1.56E-04Copper Dissolved g/s 4.67E-05 4.70E-04 6.08E-05 2.36E-05 3.82E-05 NC NC NC NC NC NC 2.36E-05 6.08E-05Copper Total Recoverable g/s 1.07E-03 5.46E-03 7.90E-05 5.47E-05 6.15E-05 NC NC NC NC NC NC 5.47E-05 7.90E-05Iron Dissolved g/s <d.l. 5.80E-03 3.04E-05 NC 3.18E-05 NC NC NC 4.67E-02 2.65E-02 NC 3.04E-05 4.67E-02Iron Total Recoverable g/s <d.l. 6.45E-02 1.60E-04 4.56E-04 2.76E-04 NC 6.36E-02 4.73E-02 5.73E-02 3.79E-02 4.62E-02 1.60E-04 6.36E-02Lead Dissolved g/s 5.77E-06 2.25E-05 4.18E-05 1.37E-05 4.88E-05 NC 3.50E-05 NC NC NC NC 1.37E-05 4.88E-05Lead Total Recoverable g/s 2.96E-04 2.51E-03 7.30E-05 1.03E-04 1.30E-04 NC 3.51E-04 2.48E-04 3.88E-04 4.16E-04 2.95E-04 7.30E-05 4.16E-04Zinc Dissolved g/s 1.16E-01 3.12E-01 3.42E-03 3.72E-03 3.07E-03 NC 4.61E-02 3.49E-02 3.51E-02 3.10E-02 3.25E-02 3.07E-03 4.61E-02Zinc Total Recoverable g/s 1.34E-01 3.24E-01 3.19E-03 3.34E-03 3.07E-03 NC 4.88E-02 3.39E-02 3.55E-02 3.28E-02 3.36E-02 3.07E-03 4.88E-02


Table C-3b: Assessment of the Mass loads of Contaminants at SW3 (Post baseline data)Baseline Data Level 4 Adit (SW3) and Level 5 Adit (SW5) Post Remediation Data

Minimum Maximum Minimum Maximum

Baseline Data Post Remediation Data

UnitsMinimum Maximum Minimum Maximum



Sample LocationSample No. SW15 SW15 SW15Sampled By PDP 2009 PDP 2009 PDP 2009Sampling date 18/09/2009 8/10/2009 17/11/2009Laboratory Number 728224.13 734195.7 744474.11Flow Rate L/s 2.1363 10.2564 1.7335 1.7335 10.2564Flow rate m3/sec 0.0021 0.0103 0.0017 0.0017 0.0103

Arsenic Dissolved g/m3 0.0039 0.021 0.0022 0.0022 0.021Arsenic Total Recoverable g/m3 0.0046 0.024 0.003 0.003 0.024Cadmium Dissolved g/m3 0.0094 0.018 0.012 0.0094 0.018Cadmium Total Recoverable g/m3 0.0093 0.018 0.01 0.0093 0.018Copper Dissolved g/m3 0.038 0.17 0.029 0.029 0.17Copper Total Recoverable g/m3 0.039 0.17 0.028 0.028 0.17Iron Dissolved g/m3 0.22 1.1 0.12 0.12 1.1Iron Total Recoverable g/m3 0.23 1.1 0.12 0.12 1.1Lead Dissolved g/m3 0.065 0.24 0.089 0.065 0.24Lead Total Recoverable g/m3 0.067 0.24 0.079 0.067 0.24Zinc Dissolved g/m3 1.6 2.8 1.8 1.6 2.8Zinc Total Recoverable g/m3

1.6 2.8 1.7 1.6 2.8

Mass Fluxes SW15Sample No. SW15 SW15 SW15Sampling date 18/09/2009 8/10/2009 17/11/2009Arsenic Dissolved g/s 8.33E-06 2.15E-04 3.81E-06 3.81E-06 2.15E-04Arsenic Total Recoverable g/s 9.83E-06 2.46E-04 5.20E-06 5.20E-06 2.46E-04Cadmium Dissolved g/s 2.01E-05 1.85E-04 2.08E-05 2.01E-05 1.85E-04Cadmium Total Recoverable g/s 1.99E-05 1.85E-04 1.73E-05 1.73E-05 1.85E-04Copper Dissolved g/s 8.12E-05 1.74E-03 5.03E-05 5.03E-05 1.74E-03Copper Total Recoverable g/s 8.33E-05 1.74E-03 4.85E-05 4.85E-05 1.74E-03Iron Dissolved g/s 4.70E-04 1.13E-02 2.08E-04 2.08E-04 1.13E-02Iron Total Recoverable g/s 4.91E-04 1.13E-02 2.08E-04 2.08E-04 1.13E-02Lead Dissolved g/s 1.39E-04 2.46E-03 1.54E-04 1.39E-04 2.46E-03Lead Total Recoverable g/s 1.43E-04 2.46E-03 1.37E-04 1.37E-04 2.46E-03Zinc Dissolved g/s 3.42E-03 2.87E-02 3.12E-03 3.12E-03 2.87E-02Zinc Total Recoverable g/s 3.42E-03 2.87E-02 2.95E-03 2.95E-03 2.87E-02


Minimum MaximumUnits

Table C-4a: Assessment of the Mass Loads of Contaminants at SW15 (Tui Mine) (Baseline data)Baseline Data

Minimum Maximum

Tailings Drainage, Tkha trib, SW15

Baseline Data



Sample LocationSample No. SW15 SW15 SW15 SW15 SW15 SW15Sampled By PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015Sampling date 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Laboratory Number 1331057.7 1343005.7 1351548.7 1480296.7 1489960.7 1500740.8Flow Rate L/s 1.7335 10.2564 6.5428 2.7771 2.9000 5.0700 3.4500 3.2800 2.7771 6.5428Flow rate m3/sec 0.0017 0.0103 0.0065 0.0028 0.0029 0.0051 0.0035 0.0033 0.0028 0.0065Arsenic Dissolved g/m3 0.0022 0.021 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 0.003 0.024 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Cadmium Dissolved g/m3 0.0094 0.018 0.0061 0.0063 0.006 0.0084 0.0082 0.0089 0.0060 0.0089Cadmium Total Recoverable g/m3 0.0093 0.018 0.0062 0.0061 0.0061 0.0093 0.0078 0.0084 0.0061 0.0093Copper Dissolved g/m3 0.029 0.17 0.0063 0.0075 0.0087 0.0074 0.0064 0.0066 0.0063 0.0087Copper Total Recoverable g/m3 0.028 0.17 0.0072 0.0082 0.0079 0.0102 0.0084 0.0083 0.0072 0.0102Iron Dissolved g/m3 0.12 1.1 <0.20 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02Iron Total Recoverable g/m3 0.12 1.1 <0.21 0.022 < 0.021 0.024 < 0.021 < 0.021 <0.021 0.0240Lead Dissolved g/m3 0.065 0.24 0.00062 0.00044 0.00057 0.00059 0.00049 0.00045 0.0004 0.0006Lead Total Recoverable g/m3 0.067 0.24 0.00073 0.00071 0.00054 0.00072 0.00056 0.00049 0.0005 0.0007Zinc Dissolved g/m3 1.6 2.8 1.1 1.08 1.11 1.61 1.55 1.6 1.08 1.61Zinc Total Recoverable g/m3

1.6 2.8 1.09 1.1 1.06 1.75 1.48 1.47 1.06 1.75

Mass Fluxes SW15Sample No. SW15 SW15 SW15 SW15 SW15 SW15Sampling date 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Arsenic Dissolved g/s 3.81E-06 2.15E-04 NC NC NC NC NC NC NC NCArsenic Total Recoverable g/s 5.20E-06 2.46E-04 NC NC NC NC NC NC NC NCCadmium Dissolved g/s 2.01E-05 1.85E-04 3.99E-05 1.75E-05 1.74E-05 4.26E-05 2.69E-05 3.07E-05 1.74E-05 4.26E-05Cadmium Total Recoverable g/s 1.73E-05 1.85E-04 4.06E-05 1.69E-05 1.77E-05 4.72E-05 2.69E-05 2.90E-05 1.69E-05 4.72E-05Copper Dissolved g/s 5.03E-05 1.74E-03 4.12E-05 2.08E-05 2.52E-05 3.75E-05 2.21E-05 2.28E-05 2.08E-05 4.12E-05Copper Total Recoverable g/s 4.85E-05 1.74E-03 4.71E-05 2.28E-05 2.29E-05 5.17E-05 2.90E-05 2.86E-05 2.28E-05 5.17E-05Iron Dissolved g/s 2.08E-04 1.13E-02 NC NC NC NC NC NC NC NCIron Total Recoverable g/s 2.08E-04 1.13E-02 NC 6.11E-05 NC 1.22E-04 NC NC 6.11E-05 1.22E-04Lead Dissolved g/s 1.39E-04 2.46E-03 4.06E-06 1.22E-06 1.65E-06 2.99E-06 1.69E-06 1.55E-06 1.22E-06 4.06E-06Lead Total Recoverable g/s 1.37E-04 2.46E-03 4.78E-06 1.97E-06 1.57E-06 3.65E-06 1.93E-06 1.69E-06 1.57E-06 4.78E-06Zinc Dissolved g/s 3.12E-03 2.87E-02 7.20E-03 3.00E-03 3.22E-03 8.16E-03 5.35E-03 5.52E-03 3.00E-03 8.16E-03Zinc Total Recoverable g/s 2.95E-03 2.87E-02 7.13E-03 3.05E-03 3.07E-03 8.87E-03 5.11E-03 5.07E-03 3.05E-03 8.87E-03


Table C-4b: Assessment of the Mass Loads of Contaminants at SW15 (Tui Mine) (Post Remediation Data)Tailings Drainage, Tkha trib, SW15 Post Remediation Data

Minimum Maximum


Baseline Data

Minimum Maximum

Baseline Data

Minimum Maximum




Sample LocationSample No. TK2 TK2 SW7 SW7 SW7Sampled By Sharplin Sharplin PDP 2009 PDP 2009 PDP 2009Sampling date 3/05/2007 27/07/2007 17/09/2009 8/10/2009 17/11/2009Laboratory Number 728224.5 734195.5 744474.15Flow Rate L/s 53.4 27 17.9 108.9 19.8 17.9 108.9Flow rate m3/sec 0.0534 0.027 0.0179 0.1089 0.0198 0.0179 0.1089

Arsenic Dissolved g/m3 <d.l. 0.00068 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.00068Arsenic Total Recoverable g/m3 <d.l. 0.00464 < 0.0011 0.0041 < 0.0011 < 0.0011 0.00464Cadmium Dissolved g/m3 0.027 0.045 0.046 0.028 0.049 0.027 0.049Cadmium Total Recoverable g/m3 0.027 0.0458 0.048 0.029 0.049 0.027 0.049Copper Dissolved g/m3 0.008 0.0015 0.021 0.02 0.0099 0.0015 0.021Copper Total Recoverable g/m3 0.02 0.0619 0.041 0.065 0.042 0.02 0.065Iron Dissolved g/m3 0.02 0.0327 0.16 0.037 < 0.021 <0.021 0.16Iron Total Recoverable g/m3 0.299 0.841 0.41 0.41 0.55 0.299 0.841Lead Dissolved g/m3 0.003 0.0025 0.014 0.012 0.0036 0.00249 0.014Lead Total Recoverable g/m3 0.01 0.0298 0.033 0.1 0.036 0.01 0.1Zinc Dissolved g/m3 6.02 6.155 6.6 3.9 6.8 3.9 6.8Zinc Total Recoverable g/m3

6.31 6.314 7 4.1 7.2 4.1 7.2

Sample No. TK2 TK2 SW7 SW7 SW7Sampling date 3/05/2007 27/07/2007 17/09/2009 8/10/2009 17/11/2009Arsenic Dissolved g/s NC 1.83E-05 NC NC NC 1.83E-05 1.83E-05Arsenic Total Recoverable g/s NC 1.25E-04 NC 4.46E-04 NC 1.25E-04 4.46E-04Cadmium Dissolved g/s 1.44E-03 1.22E-03 8.23E-04 3.05E-03 9.70E-04 8.23E-04 3.05E-03Cadmium Total Recoverable g/s 1.44E-03 1.24E-03 8.59E-04 3.16E-03 9.70E-04 8.59E-04 3.16E-03Copper Dissolved g/s 4.27E-04 4.05E-05 3.76E-04 2.18E-03 1.96E-04 4.05E-05 2.18E-03Copper Total Recoverable g/s 1.07E-03 1.67E-03 7.34E-04 7.08E-03 8.32E-04 7.34E-04 7.08E-03Iron Dissolved g/s 1.07E-03 8.82E-04 2.86E-03 4.03E-03 NC 8.82E-04 8.27E-03Iron Total Recoverable g/s 1.60E-02 2.27E-02 7.34E-03 4.46E-02 1.09E-02 7.34E-03 4.46E-02Lead Dissolved g/s 1.60E-04 6.72E-05 2.51E-04 1.31E-03 7.13E-05 6.72E-05 1.89E-03Lead Total Recoverable g/s 5.34E-04 8.05E-04 5.91E-04 1.09E-02 7.13E-04 5.34E-04 1.09E-02Zinc Dissolved g/s 3.21E-01 1.66E-01 1.18E-01 4.25E-01 1.35E-01 1.18E-01 4.25E-01Zinc Total Recoverable g/s 3.37E-01 1.70E-01 1.25E-01 4.46E-01 1.43E-01 1.25E-01 4.46E-01



Table C-6a: Assessment of the Mass Loads of Contaminants at SW7 (Tunakohoia N Branch, Downstream) (Baseline data)Baseline Data

Baseline Data

Minimum Maximum

Minimum Maximum

Units

Mass Fluxes SW7

Tunakohoia N Branch, Downstream (SW7)



Sample LocationSample No. SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7Sampled By PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015Sampling date 25/12/2013 17/03/2013 12/12/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Laboratory Number 1185572.3 1193690.3 1203456.3 1331057.3 1343005.3 1351548.3 1480296.4 1489960.3 1500740.3Flow Rate L/s 17.9 108.9 137.9 24.4 26.2 61.7 10.2 13.4 37.1 20.8 9.8 9.8 137.9Flow rate m3/sec 0.0179 0.1089 0.1379 0.0244 0.0262 0.0617 0.0102 0.0134 0.0371 0.0208 0.0098 0.0098 0.1379

Arsenic Dissolved g/m3 < 0.0011 0.000676 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 < 0.0011 0.00464 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Cadmium Dissolved g/m3 0.027 0.049 0.0119 0.0146 0.0158 0.0084 0.0141 0.013 0.0102 0.0116 0.0138 0.0084 0.0158Cadmium Total Recoverable g/m3 0.027 0.049 0.0113 0.0157 0.016 0.0089 0.0135 0.013 0.0115 0.0110 0.0139 0.0089 0.016Copper Dissolved g/m3 0.0015 0.021 0.0081 0.0033 0.0049 0.0038 0.0043 0.0065 0.0039 0.0038 0.003 0.003 0.0081Copper Total Recoverable g/m3 0.02 0.065 0.0138 0.0064 0.0061 0.0065 0.0053 0.0099 0.0069 0.0043 0.004 0.004 0.0138Iron Dissolved g/m3 <0.021 0.16 0.06 < 0.02 < 0.02 < 0.02 < 0.02 0.02 < 0.02 < 0.02 < 0.02 < 0.02 0.06Iron Total Recoverable g/m3 0.299 0.841 0.2 0.46 0.05 0.087 0.032 0.142 0.06 0.027 < 0.021 0.027 0.46Lead Dissolved g/m3 0.00249 0.014 0.0137 0.00109 0.0029 0.0039 0.00166 0.00189 0.0025 0.00189 0.00131 0.00109 0.0137Lead Total Recoverable g/m3 0.01 0.1 0.034 0.0108 0.0063 0.0125 0.0037 0.0137 0.0095 0.0032 0.0024 0.0024 0.034Zinc Dissolved g/m3 3.9 6.8 1.72 2.4 2.3 1.29 1.98 2 1.54 1.76 1.76 1.29 2.4Zinc Total Recoverable g/m3

4.1 7.2 1.71 2.3 2.3 1.3 1.99 1.98 1.81 1.67 1.67 1.3 2.3

Mass Fluxes SW7Sample No. SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7 SW7Sampling date 26/09/2013 17/10/2013 13/11/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Arsenic Dissolved g/s 1.83E-05 1.83E-05 NC NC NC NC NC NC NC NC NC NC NCArsenic Total Recoverable g/s 1.25E-04 4.46E-04 NC NC NC NC NC NC NC NC NC NC NCCadmium Dissolved g/s 8.23E-04 3.05E-03 1.64E-03 3.56E-04 4.14E-04 5.18E-04 1.44E-04 1.74E-04 3.78E-04 2.41E-04 1.35E-04 1.35E-04 1.64E-03Cadmium Total Recoverable g/s 8.59E-04 3.16E-03 1.56E-03 3.83E-04 4.19E-04 5.49E-04 1.38E-04 1.74E-04 4.27E-04 2.29E-04 1.36E-04 1.36E-04 1.56E-03Copper Dissolved g/s 4.05E-05 2.18E-03 1.12E-03 8.05E-05 1.28E-04 2.34E-04 4.39E-05 8.71E-05 1.45E-04 7.90E-05 2.94E-05 2.94E-05 1.12E-03Copper Total Recoverable g/s 7.34E-04 7.08E-03 1.90E-03 1.56E-04 1.60E-04 4.01E-04 5.41E-05 1.33E-04 2.56E-04 8.94E-05 3.92E-05 3.92E-05 1.90E-03Iron Dissolved g/s 8.82E-04 8.27E-03 8.27E-03 NC NC NC NC 2.68E-04 NC NC NC 2.68E-04 8.27E-03Iron Total Recoverable g/s 7.34E-03 4.46E-02 2.76E-02 1.12E-02 1.31E-03 5.37E-03 3.26E-04 1.90E-03 2.23E-03 5.62E-04 NC 3.26E-04 2.76E-02Lead Dissolved g/s 6.72E-05 1.89E-03 1.89E-03 2.66E-05 7.60E-05 2.41E-04 1.69E-05 2.53E-05 9.28E-05 3.93E-05 1.28E-05 1.28E-05 1.89E-03Lead Total Recoverable g/s 5.34E-04 1.09E-02 4.69E-03 2.64E-04 1.65E-04 7.71E-04 3.77E-05 1.84E-04 3.52E-04 6.66E-05 2.35E-05 2.35E-05 4.69E-03Zinc Dissolved g/s 1.18E-01 4.25E-01 2.37E-01 5.86E-02 6.03E-02 7.96E-02 2.02E-02 2.68E-02 5.71E-02 3.66E-02 1.72E-02 1.72E-02 2.37E-01Zinc Total Recoverable g/s 1.25E-01 4.46E-01 2.36E-01 5.61E-02 6.03E-02 8.02E-02 2.03E-02 2.65E-02 6.72E-02 3.47E-02 1.64E-02 1.64E-02 2.36E-01



Table C-6b: Assessment of the Mass Loads of Contaminants at SW7 (Tunakohoia N Branch, Downstream) (Post remediation data 2013-2015)Post Remediation Data

Minimum Maximum


Tunakohoia N Branch, Downstream (SW7)Baseline Data


Minimum Maximum

Minimum Maximum

Baseline Data



Sample LocationSample No.Sampled By PDP PDP PDPSampling date 17/09/2009 8/10/2009 17/11/2009Laboratory NumberFlow Rate L/s 16.60 18.07 12.29 12.29 18.07Flow Rate m3/sec 0.0166 0.0181 0.0123 0.01229 0.01807

Arsenic Dissolved g/m3 <d.L. <d.L. <d.L. <d.l. <d.l.Arsenic Total Recoverable g/m3 <d.L. <d.L. <d.L. <d.l. <d.l.Cadmium Dissolved g/m3 0.14 0.06 0.12 0.056 0.14Cadmium Total Recoverable g/m3 0.16 0.13 0.13 0.13 0.16Copper Dissolved g/m3 0.057 0.182 0.035 0.035 0.182Copper Total Recoverable g/m3 0.27 0.31 0.17 0.17 0.31Iron Dissolved g/m3 <d.L. 1.12 0.15 <d.l. 1.12Iron Total Recoverable g/m3 4.53 3.59 3.70 <d.l. 4.5Lead Dissolved g/m3 0.067 <d.L. <d.L. 0.0665 0.0665Lead Total Recoverable g/m3 0.23 0.28 0.12 0.12 0.28Zinc Dissolved g/m3 19 20 17 17 20Zinc Total Recoverable g/m3

21 22 19 19 22

Sample No.Sampling date 17/09/2009 8/10/2009 17/11/2009Arsenic Dissolved g/s NC NC NC NC NCArsenic Total Recoverable g/s NC NC NC NC NCCadmium Dissolved g/s 2.40E-03 1.01E-03 1.45E-03 1.0E-03 2.4E-03Cadmium Total Recoverable g/s 2.60E-03 2.37E-03 1.57E-03 1.6E-03 2.6E-03Copper Dissolved g/s 9.43E-04 3.29E-03 4.30E-04 4.3E-04 3.3E-03Copper Total Recoverable g/s 4.54E-03 5.58E-03 2.03E-03 2.0E-03 5.6E-03Iron Dissolved g/s NC 2.02E-02 1.82E-03 1.8E-03 0.02Iron Total Recoverable g/s 7.52E-02 6.48E-02 4.55E-02 4.5E-02 0.1Lead Dissolved g/s 1.10E-03 NC NC 1.1E-03 1.1E-03Lead Total Recoverable g/s 3.89E-03 5.11E-03 1.44E-03 1.4E-03 5.1E-03Zinc Dissolved g/s 3.20E-01 3.68E-01 2.05E-01 0.21 0.37Zinc Total Recoverable g/s 3.55E-01 3.92E-01 2.32E-01 0.23 0.39


Table C-6a: Assessment of the Mass loads of Contaminants at SW3, SW5 and SW15 Combined (Baseline data (2009)Baseline Data

Minimum Maximum





Sample LocationSample No.Sampled By PDP PDP PDP PDP PDP PDPSampling date 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Laboratory NumberFlow Rate L/s 10.1341 6.3882 5.9670 6.1231 10.1515 1.8400 1.84000 10.15152Flow Rate m3/sec 0.0101 0.0064 0.0060 0.0061 0.0102 0.0018 0.00184 0.01015

Arsenic Dissolved g/m3 <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l.Cadmium Dissolved g/m3 0.056 0.145 #VALUE! 0.061 0.046 0.036 0.038 0.048 #VALUE! #VALUE!Cadmium Total Recoverable g/m3 0.13 0.16 #VALUE! 0.059 0.046 0.039 0.038 0.047 #VALUE! #VALUE!Copper Dissolved g/m3 0.035 0.182 <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l.Copper Total Recoverable g/m3 0.17 0.31 <d.l. <d.l. <d.l. <d.l. 0.080 <d.l. 0.080 0.080Iron Dissolved g/m3 <d.l. 1.12 <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l. <d.l.Iron Total Recoverable g/m3 <d.l. 4.5 <d.l. 22 <d.l. 17 <d.l. <d.l. 17 22Lead Dissolved g/m3 0.067 0.067 <d.l. 0.012 <d.l. <d.l. <d.l. <d.l. 0.012 0.012Lead Total Recoverable g/m3 0.117 0.283 #VALUE! 0.120 0.093 0.117 0.116 0.082 #VALUE! #VALUE!Zinc Dissolved g/m3 17 20 #VALUE! 16.8 14.1 12.1 10.2 10.6 #VALUE! #VALUE!Zinc Total Recoverable g/m3

19 22 #VALUE! 17.7 13.7 12.4 10.6 10.8 #VALUE! #VALUE!

Mass Fluxes SW3Sample No.Sampling date 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Arsenic Dissolved g/s NC NC NC NC NC NC NC NC NC NCArsenic Total Recoverable g/s NC NC NC NC NC NC NC NC NC NCCadmium Dissolved g/s 5.71E-04 2.05E-03 #VALUE! 3.86E-04 2.74E-04 2.19E-04 3.90E-04 8.83E-05 #VALUE! #VALUE!Cadmium Total Recoverable g/s 9.35E-04 2.23E-03 #VALUE! 3.78E-04 2.77E-04 2.38E-04 3.88E-04 8.63E-05 #VALUE! #VALUE!Copper Dissolved g/s 9.70E-05 1.87E-03 NC NC NC NC NC NC NC NCCopper Total Recoverable g/s 1.11E-03 3.60E-03 NC NC NC NC 8.11E-04 NC 8.11E-04 8.11E-04Iron Dissolved g/s 4.26E-04 1.15E-02 NC NC NC NC NC NC NC NCIron Total Recoverable g/s 2.80E-02 6.50E-02 NC 1.39E-01 NC 1.05E-01 NC NC 1.05E-01 1.39E-01Lead Dissolved g/s 1.61E-04 1.61E-04 NC 7.88E-05 NC NC NC NC 7.88E-05 7.88E-05Lead Total Recoverable g/s 4.33E-04 2.90E-03 #VALUE! 7.68E-04 5.53E-04 7.14E-04 1.18E-03 1.52E-04 #VALUE! #VALUE!Zinc Dissolved g/s 1.19E-01 2.68E-01 #VALUE! 1.07E-01 8.42E-02 7.42E-02 1.03E-01 1.95E-02 #VALUE! #VALUE!Zinc Total Recoverable g/s 1.37E-01 3.00E-01 #VALUE! 1.13E-01 8.15E-02 7.56E-02 1.07E-01 1.98E-02 #VALUE! #VALUE!

Note:NC: Not calculated. Mass Flux not calculated if the results are below the analytical detection limit.<d.l. = Less than detection limit.

Table C-6b: Assessment of the Mass loads of Contaminants at SW3, SW5 and SW15 (Post remediation data)Baseline Data Post Remediation Data

Minimum Maximum Minimum Maximum

Baseline Data Post Remediation Data

UnitsMinimum Maximum Minimum Maximum



Sample LocationSample No. TK3 TK3 TK3 TK3 SW100 SW100 SW100Sampled By Sharplin Sharplin Sharplin Sharplin PDP 2009 PDP 2009 PDP 2009Sampling date 30/01/2007 3/05/2007 27/07/2007 3/11/2007 17/09/2009 8/10/2009 17/11/2009Laboratory Number 728224.15 734195.15 744474.3Flow Rate L/s 7.97 4.18 33.15 16.24 2.1 10.3 1.7 1.7 33.15Flow rate m3/sec 0.0080 0.0042 0.0332 0.0162 0.0021 0.0103 0.0017 0.0014 0.0421

Arsenic Dissolved g/m3 <d.l. <d.l. 0.000516 0.0005 < 0.0011 < 0.0021 < 0.0011 < 0.0011 0.000516Arsenic Total Recoverable g/m3 0.001 0.001 0.00195 0.0022 0.0028 < 0.0021 0.002 < 0.0021 0.0028Cadmium Dissolved g/m3 0.089 0.057 0.103 0.087 0.098 0.077 0.088 0.057 0.103Cadmium Total Recoverable g/m3 0.1 0.059 0.102 0.094 0.11 0.083 0.099 0.059 0.11Copper Dissolved g/m3 0.009 0.008 0.001986 0.012 0.0076 0.033 0.0085 0.001986 0.033Copper Total Recoverable g/m3 0.006 0.043 0.12776 0.11 0.12 0.17 0.1 0.006 0.17Iron Dissolved g/m3 0.987 0.01 0.00617 <0.020 < 0.021 0.033 < 0.021 <0.020 0.987Iron Total Recoverable g/m3 1.24 1.04 1.423 1.7 2.4 1.2 2.1 1.04 2.4Lead Dissolved g/m3 0.01 0.001 0.00176 0.0055 0.0042 0.005 0.0028 0.0010 0.010Lead Total Recoverable g/m3 0.062 0.012 0.0326 0.058 0.054 0.075 0.053 0.0120 0.075Zinc Dissolved g/m3 10.6 9.35 13.35 12 13 11 13 9.3500 13.35Zinc Total Recoverable g/m3

11.5 9.97 14.235 14 15 12 14 9.9700 15

Sample No. TK3 TK3 TK3 TK3 SW100 SW100 SW100Sampling date 30/01/2007 3/05/2007 27/07/2007 3/11/2007 17/09/2009 8/10/2009 17/11/2009Arsenic Dissolved g/s NC NC 1.71E-05 8.12E-06 NC NC NC 8.12E-06 1.71E-05Arsenic Total Recoverable g/s 7.97E-06 4.18E-06 6.46E-05 3.57E-05 5.88E-06 NC 3.40E-06 3.40E-06 6.46E-05Cadmium Dissolved g/s 7.09E-04 2.38E-04 3.41E-03 1.41E-03 2.06E-04 7.93E-04 1.50E-04 1.50E-04 3.41E-03Cadmium Total Recoverable g/s 7.97E-04 2.47E-04 3.38E-03 1.53E-03 2.31E-04 8.55E-04 1.68E-04 1.68E-04 3.38E-03Copper Dissolved g/s 7.17E-05 3.34E-05 6.58E-05 1.95E-04 1.60E-05 3.40E-04 1.45E-05 1.45E-05 3.40E-04Copper Total Recoverable g/s 4.78E-05 1.80E-04 4.24E-03 1.79E-03 2.52E-04 1.75E-03 1.70E-04 4.78E-05 4.24E-03Iron Dissolved g/s 7.87E-03 4.18E-05 2.05E-04 NC NC 3.40E-04 NC 4.18E-05 7.87E-03Iron Total Recoverable g/s 9.88E-03 4.35E-03 4.72E-02 2.76E-02 5.04E-03 1.24E-02 3.57E-03 3.57E-03 4.72E-02Lead Dissolved g/s 7.97E-05 4.18E-06 5.83E-05 8.93E-05 8.82E-06 5.15E-05 4.76E-06 4.18E-06 8.93E-05Lead Total Recoverable g/s 4.94E-04 5.02E-05 1.08E-03 9.42E-04 1.13E-04 7.73E-04 9.01E-05 5.02E-05 1.08E-03Zinc Dissolved g/s 8.45E-02 3.91E-02 4.43E-01 1.95E-01 2.73E-02 1.13E-01 2.21E-02 2.21E-02 4.43E-01Zinc Total Recoverable g/s 9.17E-02 4.17E-02 4.72E-01 2.27E-01 3.15E-02 1.24E-01 2.38E-02 2.38E-02 4.72E-01



Table C-7a: Assessment of the Mass Loads of Contaminants at SW100 (Tunakohoia N Branch, Access Road) (Baseline data)


Minimum Maximum

Baseline Data

Minimum Maximum

Units

Tunakohoia N Branch, Access Road (SW100)



Sample LocationSample No. SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100Sampled By PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015Sampling date 26/09/2013 17/10/2013 13/11/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Laboratory Number 1185572.9 1193690.8 1203456.7 1331057.8 1343005.8 1351548.8 1480296.8 1489960.8 1500740.9Flow Rate L/s 1.7 33.15 42.1 6.3 7.1 24.1 4.7 8.2 8 5.8 4 4 42.1Flow rate m3/sec 0.0014 0.0421 0.0421 0.0063 0.0071 0.0241 0.0047 0.0082 0.008 0.0058 0.004 0.004 0.0421

Arsenic Dissolved g/m3 < 0.0011 0.000516 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 < 0.0021 0.0028 < 0.0011 0.0026 < 0.0011 < 0.0011 0.0026 0.0019 < 0.0011 < 0.0011 0.0012 0.0012 0.0026Cadmium Dissolved g/m3 0.057 0.103 0.024 #1 0.021 0.023 0.0096 0.0188 0.0146 0.0136 0.0145 0.0173 0.0096 0.024Cadmium Total Recoverable g/m3 0.059 0.11 0.023 #1 0.023 0.023 0.0104 0.0199 0.0152 0.0147 0.0137 0.0172 0.0104 0.023Copper Dissolved g/m3 0.001986 0.033 0.022 0.0016 0.004 0.0043 0.0019 0.0024 0.0036 0.003 0.0032 0.0016 0.022Copper Total Recoverable g/m3 0.006 0.17 0.031 0.0092 0.0105 0.0113 0.0098 0.0076 0.0079 0.0058 0.0062 0.0058 0.031Iron Dissolved g/m3 <0.020 0.987 0.19 < 0.02 < 0.02 0.08 < 0.02 0.02 0.02 < 0.02 < 0.02 0.02 0.19Iron Total Recoverable g/m3 1.04 2.4 0.33 2.2 0.69 0.46 1.56 0.93 0.3 0.36 0.4 0.3 2.2Lead Dissolved g/m3 0.001 0.01 0.03 0.0005 0.0026 #1 0.0042 0.00075 0.00116 0.0029 0.0022 0.003 0.0005 0.03Lead Total Recoverable g/m3 0.012 0.075 0.048 0.026 0.024 #1 0.021 0.027 0.0183 0.0174 0.0155 0.0174 0.0155 0.048Zinc Dissolved g/m3 9.35 13.35 3.8 #1 4.2 3.6 1.71 3.3 2.9 2.4 2.6 2.9 1.71 4.2Zinc Total Recoverable g/m3

9.97 15 3.7 #14.4 3.7 1.74 4.1 3 2.6 2.6 2.8 1.74 4.4

Mass Fluxes SW100Sample No. SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100 SW100Sampling date 26/09/2013 17/10/2013 13/11/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Arsenic Dissolved g/s 8.12E-06 1.71E-05 NC NC NC NC NC NC NC NC NC NC NCArsenic Total Recoverable g/s 3.40E-06 6.46E-05 NC 1.64E-05 NC NC 1.22E-05 1.56E-05 NC NC 4.80E-06 NC 1.64E-05Cadmium Dissolved g/s 1.50E-04 3.41E-03 1.01E-03 1.32E-04 1.63E-04 2.31E-04 8.84E-05 1.20E-04 1.09E-04 8.41E-05 6.92E-05 6.92E-05 1.01E-03Cadmium Total Recoverable g/s 1.68E-04 3.38E-03 9.68E-04 1.45E-04 1.63E-04 2.51E-04 9.35E-05 1.25E-04 1.18E-04 7.95E-05 6.88E-05 6.88E-05 9.68E-04Copper Dissolved g/s 1.45E-05 3.40E-04 9.26E-04 1.01E-05 2.84E-05 1.04E-04 8.93E-06 1.97E-05 2.88E-05 1.74E-05 1.28E-05 8.93E-06 9.26E-04Copper Total Recoverable g/s 4.78E-05 4.24E-03 1.31E-03 5.80E-05 7.46E-05 2.72E-04 4.61E-05 6.23E-05 6.32E-05 3.36E-05 2.48E-05 2.48E-05 1.31E-03Iron Dissolved g/s 4.18E-05 7.87E-03 8.00E-03 NC NC 1.93E-03 NC 1.64E-04 1.60E-04 NC NC NC 8.00E-03Iron Total Recoverable g/s 3.57E-03 4.72E-02 1.39E-02 1.39E-02 4.90E-03 1.11E-02 7.33E-03 7.63E-03 2.40E-03 2.09E-03 1.60E-03 1.60E-03 1.39E-02Lead Dissolved g/s 4.18E-06 8.93E-05 1.26E-03 3.15E-06 1.85E-05 1.01E-04 3.53E-06 9.51E-06 2.32E-05 1.28E-05 1.20E-05 3.15E-06 1.26E-03Lead Total Recoverable g/s 5.02E-05 1.08E-03 2.02E-03 1.64E-04 1.70E-04 5.06E-04 1.27E-04 1.50E-04 1.39E-04 8.99E-05 6.96E-05 6.96E-05 2.02E-03Zinc Dissolved g/s 2.21E-02 4.43E-01 1.60E-01 2.65E-02 2.56E-02 4.12E-02 1.55E-02 2.38E-02 1.92E-02 1.51E-02 1.16E-02 1.16E-02 1.60E-01Zinc Total Recoverable g/s 2.38E-02 4.72E-01 1.56E-01 2.77E-02 2.63E-02 4.19E-02 1.93E-02 2.46E-02 2.08E-02 1.51E-02 1.12E-02 1.12E-02 1.56E-01



Table C-7b: Assessment of the Mass Loads of Contaminants at SW100 (Tunakohoia N Branch, Access Road) (Post Remediation Data)Post Remediation Data

Minimum Maximum


Tunakohoia N Branch, Access Road (SW100)Baseline Data


Minimum Maximum

Minimum Maximum

Baseline Data



Sample LocationSample No. SW101 SW101 SW101Sampled By PDP 2009 PDP 2009 PDP 2009Sampling date 17/09/2009 8/10/2009 17/11/2009Laboratory Number 728224.17 734195.17 744474.4Flow rate m3/sec 0.0007 0.0251 0.001 0.0007 0.0251

Arsenic Dissolved g/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Arsenic Total Recoverable g/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Cadmium Dissolved g/m3 0.015 0.014 0.016 0.014 0.016Cadmium Total Recoverable g/m3 0.016 0.014 0.017 0.014 0.017Copper Dissolved g/m3 0.0046 0.0073 0.0057 0.0046 0.0073Copper Total Recoverable g/m3 0.0051 0.0073 0.0057 0.0051 0.0073Iron Dissolved g/m3 < 0.021 < 0.021 < 0.021 < 0.021 <0.021Iron Total Recoverable g/m3 < 0.021 < 0.021 < 0.021 < 0.021 <0.021Lead Dissolved g/m3 0.2 0.16 0.21 0.16 0.21Lead Total Recoverable g/m3 0.23 0.17 0.23 0.17 0.23Zinc Dissolved g/m3 1.7 1.6 1.8 1.6 1.8Zinc Total Recoverable g/m3

1.7 1.6 1.7 1.6 1.7

Mass Fluxes SW101Sample No. SW101 SW101 SW101Sampling date 17/09/2009 8/10/2009 17/11/2009Arsenic Dissolved g/s NC NC NC NC NCArsenic Total Recoverable g/s NC NC NC NC NCCadmium Dissolved g/s 1.05E-05 3.51E-04 1.60E-05 1.05E-05 3.51E-04Cadmium Total Recoverable g/s 1.12E-05 3.51E-04 1.70E-05 1.12E-05 3.51E-04Copper Dissolved g/s 3.22E-06 1.83E-04 5.70E-06 3.22E-06 1.83E-04Copper Total Recoverable g/s 3.57E-06 1.83E-04 5.70E-06 3.57E-06 1.83E-04Iron Dissolved g/s NC NC NC NC NCIron Total Recoverable g/s NC NC NC NC NCLead Dissolved g/s 1.40E-04 4.02E-03 2.10E-04 1.40E-04 4.02E-03Lead Total Recoverable g/s 1.61E-04 4.27E-03 2.30E-04 1.61E-04 4.27E-03Zinc Dissolved g/s 1.19E-03 4.02E-02 1.80E-03 1.19E-03 4.02E-02Zinc Total Recoverable g/s 1.19E-03 4.02E-02 1.70E-03 1.19E-03 4.02E-02



Table C-8a: Assessment of the Mass Loads of Contaminants at SW101 (Ruakaka Tributary) (Baseline)

Units

Ruakaka Tributary (SW101) Baseline Data

Minimum Maximum

Minimum Maximum



Sample LocationSample No. SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101Sampled By PDP 2013 PDP 2013 PDP 2013 PDP 2014 PDP 2014 PDP 2014 PDP 2015 PDP 2015 PDP 2015Sampling date 26/09/2013 17/10/2013 13/11/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Laboratory Number 1185572.1 1193690.9 1203456.7 1331057.8 1343005.9 1351548.9 1480296.9 1489960.9 1500740.1Flow rate m3/sec 0.0007 0.0251 0.01000 0.00201 0.00260 0.00740 0.00072 0.00180 0.00267 0.00117 0.00057 0.00057 0.01Arsenic Dissolved g/m3 < 0.0011 < 0.0011 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Arsenic Total Recoverable g/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Cadmium Dissolved g/m3 0.014 0.016 0.0145 0.0173 0.0157 0.0127 0.017 0.0173 0.0165 0.0172 0.0175 0.0127 0.0175Cadmium Total Recoverable g/m3 0.014 0.017 0.0133 0.0176 0.0157 0.0128 0.0159 0.0168 0.018 0.0152 0.0175 0.0128 0.018Copper Dissolved g/m3 0.0046 0.0073 0.009 0.0056 0.0053 0.0055 0.0049 0.0079 0.0057 0.0054 0.0049 0.0049 0.009Copper Total Recoverable g/m3 0.0051 0.0073 0.0102 0.006 0.0053 0.0064 0.0055 0.0082 0.0071 0.0050 0.0052 0.005 0.0102Iron Dissolved g/m3 < 0.021 <0.021 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 0.03 < 0.02 < 0.02 < 0.02 < 0.02 0.03Iron Total Recoverable g/m3 < 0.021 <0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021Lead Dissolved g/m3 0.16 0.21 0.127 0.161 0.155 0.135 0.168 0.19 0.141 0.187 0.173 0.127 0.19Lead Total Recoverable g/m3 0.17 0.23 0.142 0.17 0.157 0.138 0.186 0.199 0.156 0.161 0.178 0.138 0.199Zinc Dissolved g/m3 1.6 1.8 1.65 2.2 1.87 1.45 1.83 2 1.94 2.0 2.0 1.45 2.2Zinc Total Recoverable g/m3

1.6 1.7 1.57 1.93 1.71 1.36 1.8 1.91 2.1 1.83 1.82 1.36 2.1

Mass Fluxes SW101Sample No. SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101 SW101Sampling date 26/09/2013 17/10/2013 13/11/2013 24/09/2014 22/10/2014 13/11/2014 23/09/2015 15/10/2015 11/11/2015Arsenic Dissolved g/s NC NC NC NC NC NC NC NC NC NC NC NC NCArsenic Total Recoverable g/s NC NC NC NC NC NC NC NC NC NC NC NC NCCadmium Dissolved g/s 1.05E-05 3.51E-04 1.45E-04 3.48E-05 4.08E-05 9.40E-05 1.22E-05 3.11E-05 4.40E-05 2.01E-05 1.00E-05 1.00E-05 1.45E-04Cadmium Total Recoverable g/s 1.12E-05 3.51E-04 1.33E-04 3.54E-05 4.08E-05 9.47E-05 1.14E-05 3.02E-05 4.80E-05 1.78E-05 1.00E-05 1.00E-05 1.33E-04Copper Dissolved g/s 3.22E-06 1.83E-04 9.00E-05 1.13E-05 1.38E-05 4.07E-05 3.51E-06 1.42E-05 1.52E-05 6.33E-06 2.81E-06 2.81E-06 9.00E-05Copper Total Recoverable g/s 3.57E-06 1.83E-04 1.02E-04 1.21E-05 1.38E-05 4.74E-05 3.93E-06 1.48E-05 1.89E-05 5.86E-06 2.98E-06 2.98E-06 1.02E-04Iron Dissolved g/s NC NC NC NC NC NC NC 5.40E-05 NC NC NC 5.40E-05 5.40E-05Iron Total Recoverable g/s NC NC NC NC NC NC NC NC NC NC NC NC NCLead Dissolved g/s 1.40E-04 4.02E-03 1.27E-03 3.24E-04 4.03E-04 9.99E-04 1.20E-04 3.42E-04 3.76E-04 2.19E-04 9.92E-05 9.92E-05 1.27E-03Lead Total Recoverable g/s 1.61E-04 4.27E-03 1.42E-03 3.42E-04 4.08E-04 1.02E-03 1.33E-04 3.58E-04 4.16E-04 1.89E-04 1.02E-04 1.02E-04 1.42E-03Zinc Dissolved g/s 1.19E-03 4.02E-02 1.65E-02 4.42E-03 4.86E-03 1.07E-02 1.31E-03 3.60E-03 5.17E-03 2.34E-03 1.15E-03 1.15E-03 1.65E-02Zinc Total Recoverable g/s 1.19E-03 4.02E-02 1.57E-02 3.88E-03 4.45E-03 1.01E-02 1.29E-03 3.44E-03 5.60E-03 2.14E-03 1.04E-03 1.04E-03 1.57E-02

Note:NC: Not calculated. Mass Flux not calculated if the results are below the anlaytical detection limit.


Table C-8b: Assessment of the Mass Loads of Contaminants at SW101 (Ruakaka Tributary) (Post Remediation)Post Remediation Data

Minimum Maximum

Minimum Maximum

Ruakaka Tributary (SW101)Baseline Data

Baseline Data


Minimum Maximum



Appendix D

Quality A

ssuran

ce/Quality C

ontro

l

D - 1



Table D-1: Data Quality Objectives (Based Upon APHA and CLMG#5 Recommendations (MfE, 2004)

Parameter DQO Proposed Action

Anion/Cation Balance

• 0-3.0 meq/L ±0.2 meq/L Check with Lab., identify if missing parameter or lab error.

• 3.0-10.0 meq/L ± 2% Check with Lab., identify if missing parameter or lab error.

• 10.0 - 80.0 meq/L ± 5% Check with Lab., identify if missing parameter or lab error.

Calculated Total Dissolved Solids versus measured EC 0.55 to 0.7 Check with Lab., identify if missing parameter or lab error.

Field pH versus Lab pH ±0.5 pH units Check with lab if precipitation of iron has occurred.

Field Conductivity versus Lab Conductivity ± 20% Check calibration of instruments and if precipitation of iron has occurred.

Calculated Total Dissolved Solids versus measured EC 0.55 to 0.7 Check with Lab., identify if missing parameter or lab error.

Split/Duplicate analysis

Results more than 10 x Detection Limit (DL) ± 30% Check with lab and re-analysed if necessary.

Results more than 5 x DL but less than 10 x DL ± 50% Check with lab and re-analysed if necessary.

Results less than 5 x DL ± 100% Check with lab and re-analysed if necessary.

General Results Check

Check if dissolved metal concentration are equal or less than Total metal Concentrations

Check with lab and re-analysed if necessary.

Results more than 2 order of magnitude different than 95% UCL of historical data set

Check with lab and re-analysed if necessary.

Tui Mine Monitoring Report 2015 - Water Quality Monitoring (After Alkalinity Injection for the Rehabilitation of Tui Mine)

\\aklsrv2\jobs\A02200_A02299\A02277 Tui Mine\A02277814 2015 monitoring\S_Spreadsheets\Water Quality Monitoring Report\Appendix D QAQC\A02277814_2015 Tables QAQC App D.xlsx PATTLE DELAMORE PARTNERS LTD

Table D2: Results of Duplicate Analysis and Calculated Relative Percentage Difference (RPD) Between Duplicates Samples

Sampling RoundSample No. SW11 Duplicate SW13 Duplicate SW7 Duplicate SW5 DuplicateSampling Date 23/09/2015 23/09/2015 15/10/2015 15/10/2015 11/11/2015 11/11/2015 8/12/2015 8/12/2015Laboratory Number 1480296.5 1480296.1 1351548.3 1351548.1 1500740.3 1500740.11 1513257.2 1513257.8

Sum of Anions meq/L - 4.9 NC 1 - 1.31 NC 1 - 4 NC 1 11 11 0.0%Sum of Cations meq/L - 5.1 NC 1 - 1.3 NC 1 - 4 NC 1 10.3 10.2 1.0%pH pH Units 6.2 6.6 -6.2% 7.4 7.8 -5.3% 7.4 7.5 -1.3% 7.5 7.5 0.0%Total Alkalinity g/m3 as CaCO3 - 22.0 NC 1 - 22.0 NC 1 - 23.0 NC 1 91 91.0 0.0%

Bicarbonate g/m3 at 25°C - 26 NC 1 - 26 NC 1 - 28 NC 1 111 111 0.0%Electrical Conductivity (EC) mS/m 50.4 51.4 -2.0% 14.7 14.6 0.7% 42.1 42.1 0.0% 98.7 98.6 0.1%Total Suspended Solids g/m3 21 21 0.0% < 3 < 3 NC 1 < 3 < 3 NC 1 10 10 0.0%Dissolved Lanthanum g/m3 0.00094 0.00089 5.5% < 0.00010 < 0.00010 NC 1 0.00021 0.00019 10.0% < 0.00010 < 0.00010 NC 1

Total Lanthanum g/m3 0.0021 0.0024 -13.3% < 0.00011 < 0.00011 NC 1 0.00025 0.00024 4.1% < 0.00011 < 0.00011 NC 1

Chloride g/m3 - 10.6 NC 1 - 9.9 NC 1 - 11.2 NC 1 9.8 9.8 0.0%

Nitrite-N g/m3 - 0.006 NC 1 - < 0.002 NC 1 - < 0.002 NC 1 < 0.002 < 0.002 NC 1

Nitrate-N g/m3 - 0.21 NC 1 - 0.056 NC 1 - 0.108 NC 1 0.012 0.012 0.0%

Nitrate-N + Nitrite-N g/m3 - 0.22 NC 1 - 0.056 NC 1 - 0.108 NC 1 0.012 0.013 -8.0%

Reactive Silica g/m3 as SiO2 - 22 NC 1 - 18.8 NC 1 - 17.6 NC 1 18.6 18.7 -0.5%

Sulphate g/m3- 200 NC 1 - 29 NC 1 - 154 NC 1 430 430 0.0%

Total Hardness g/m3 as CaCO3 192 195 -1.6% 43 42 2.4% 166 168 -1.2% 470 470 0.0%

Dissolved Aluminium g/m3 0.008 0.009 -11.8% 0.006 0.006 0.0% 0.029 0.026 10.9% < 0.003 < 0.003 NC 1

Dissolved Antimony g/m3 0.0009 0.0008 11.8% < 0.0002 < 0.0002 NC 1 0.0002 0.0003 -40.0% < 0.0002 < 0.0002 NC 1

Dissolved Arsenic g/m3 0.0132 0.0135 -2.2% < 0.0010 < 0.0010 NC 1 < 0.0010 < 0.0010 NC 1 0.0042 0.0041 2.4%

Dissolved Barium g/m3 0.029 0.028 3.5% 0.0079 0.0082 -3.7% 0.029 0.029 0.0% 0.024 0.022 8.7%Dissolved Beryllium g/m3 < 0.0005 < 0.00010 NC 1 < 0.00010 < 0.00010 NC 1 < 0.00010 < 0.00010 NC 1 < 0.00010 < 0.00010 NC 1

Dissolved Boron g/m3 0.013 0.014 -7.4% 0.012 0.013 -8.0% 0.015 0.016 -6.5% 0.027 #1 0.024 NC 1

Dissolved Cadmium g/m3 0.033 0.034 -3.0% 0.00039 0.00039 0.0% 0.0138 0.0141 -2.2% 0.00174 0.00165 5.3%Dissolved Calcium g/m3 54 54 0.0% 10.9 10.8 0.9% 47 47 0.0% 153 155 -1.3%Dissolved Chromium g/m3 < 0.0005 < 0.0005 NC 1 < 0.0005 < 0.0005 NC 1 < 0.0005 < 0.0005 NC 1 < 0.0005 < 0.0005 NC 1

Dissolved Copper g/m3 0.0124 0.012 3.3% 0.0011 0.0013 -16.7% 0.003 0.0029 3.4% < 0.0005 < 0.0005 NC 1

Dissolved Iron g/m3 6.5 6.6 -1.5% < 0.02 < 0.02 NC 1 < 0.02 < 0.02 NC 1 0.64 0.6 6.5%

Dissolved Lead g/m3 0.0024 0.0024 0.0% 0.00016 0.00025 -43.9% 0.00131 0.00128 2.3% < 0.00010 < 0.00010 NC 1

Dissolved Lithium g/m3 0.0167 0.0189 -12.4% 0.0021 0.0020 4.9% 0.0071 0.0071 0.0% 0.024 #1 0.0220 NC 1

Dissolved Magnesium g/m3 14 14.8 -5.6% 3.8 3.7 2.7% 12 12.2 -1.7% 22 20 9.5%Dissolved Manganese g/m3 3 3.1 -3.3% 0.0008 0.0008 0.0% 0.053 0.053 0.0% 2 1.98 1.0%Dissolved Mercury g/m3 < 0.00008 < 0.00008 NC 1 < 0.00008 < 0.00008 NC 1 < 0.00008 < 0.00008 NC 1 < 0.00008 < 0.00008 NC 1

Dissolved Molybdenum g/m3 0.0084 0.0084 0.0% < 0.0002 < 0.0002 NC 1 < 0.0002 < 0.0002 NC 1 0.0003 0.0003 #1 NC 1

Dissolved Nickel g/m3 0.043 0.039 9.8% 0.0007 0.0007 0.0% 0.0037 0.0036 2.7% 0.0156 0.0156 0.0%Dissolved Potassium g/m3 4.4 4.6 -4.4% 0.73 0.71 2.8% 1.16 1.2 -3.4% 1.20 #1 1.16 NC 1

Dissolved Selenium g/m3 < 0.0010 0.001 NC 1 < 0.0010 < 0.0010 NC 1 < 0.0010 < 0.0010 NC 1 < 0.0010 < 0.0010 NC 1

Dissolved Silver g/m3 < 0.00010 < 0.00010 NC 1 < 0.00010 < 0.00010 NC 1 < 0.00010 < 0.00010 NC 1 < 0.00010 < 0.00010 NC 1

Dissolved Sodium g/m3 12.6 12.7 -0.8% 10.1 10 1.0% 13.3 13.4 -0.7% 15.9 14.8 7.2%Dissolved Tin g/m3 < 0.0005 < 0.0005 NC 1 < 0.0005 < 0.0005 NC 1 < 0.0005 < 0.0005 NC 1 < 0.0005 < 0.0005 NC 1

Dissolved Uranium g/m3 < 0.00002 < 0.00002 NC 1 < 0.00002 < 0.00002 NC 1 < 0.00002 < 0.00002 NC 1 < 0.00002 < 0.00002 NC 1

Dissolved Zinc g/m3 4.9 4.8 2.1% 0.058 0.059 -1.7% 1.95 1.89 3.1% 1.94 1.96 -1.0%

Total Aluminium g/m3 1.16 1.21 -4.2% 0.0131 0.0128 2.3% 0.045 0.045 0.0% 0.0037 0.0049 -27.9%Total Antimony g/m3 0.00098 0.00099 -1.0% < 0.00021 < 0.00021 NC 1 0.00024 0.00022 8.7% < 0.00021 < 0.00021 NC 1

Total Arsenic g/m3 0.029 0.027 7.1% < 0.0011 < 0.0011 NC 1 < 0.0011 < 0.0011 NC 1 0.011 0.0103 6.6%

Total Barium g/m3 0.028 0.032 -13.3% 0.0084 0.0089 -5.8% 0.03 0.029 3.4% 0.024 0.025 -4.1%Total Beryllium g/m3 < 0.00053 < 0.00053 NC 1 < 0.00011 < 0.00011 NC 1 < 0.00011 < 0.00011 NC 1 < 0.00011 < 0.00011 NC 1

Total Boron g/m3 0.015 0.0127 16.6% 0.0112 0.0109 2.7% 0.0156 0.0159 -1.9% 0.024 #1 0.026 NC 1

Total Cadmium g/m3 0.035 0.037 -5.6% 0.00036 0.00037 -2.7% 0.0139 0.0136 2.2% 0.0022 0.0022 0.0%Total Calcium g/m3 54 58 -7.1% 11.2 10.9 2.7% 46 46 0.0% 161 165 -2.5%Total Chromium g/m3 0.00065 0.00072 -10.2% < 0.00053 < 0.00053 NC 1 < 0.00053 < 0.00053 NC 1 < 0.00053 < 0.00053 NC 1

Total Copper g/m3 0.21 0.21 0.0% 0.00116 0.00138 -17.3% 0.004 0.004 0.0% < 0.00053 < 0.00053 NC 1

Total Iron g/m3 8.70 8.90 -2.3% < 0.021 < 0.021 NC 1 < 0.021 < 0.021 NC 1 4.40 4.20 4.7%

Total Lead g/m3 0.165 0.176 -6.5% 0.00035 0.00044 -22.8% 0.0024 0.0023 4.3% 0.00096 0.00097 -1.0%Total Lithium g/m3 0.0165 0.0173 -4.7% 0.00188 0.00184 2.2% 0.0072 0.0071 1.4% 0.021 #1 0.022 NC 1

Total Magnesium g/m3 13.9 14.8 -6.3% 4 3.9 2.5% 12.3 12.8 -4.0% 24 23 4.3%Total Manganese g/m3 3.1 3.2 -3.2% 0.00149 0.00162 -8.4% 0.051 0.05 2.0% 2.2 2.2 0.0%Total Mercury g/m3 0.00047 0.00042 11.2% < 0.00008 < 0.00008 NC 1 < 0.00008 < 0.00008 NC 1 < 0.00008 < 0.00008 NC 1

Total Molybdenum g/m3 0.00970 0.00970 0.0% < 0.00021 < 0.00021 NC 1 < 0.00021 < 0.00021 NC 1 0.00035 0.00023 #1 NC 1

Total Nickel g/m3 0.046 0.046 0.0% 0.00085 0.00068 22.2% 0.0043 0.004 7.2% 0.0176 0.0167 5.2%Total Potassium g/m3 4.2 4.4 -4.7% 0.77 0.81 -5.1% 1.25 1.25 0.0% 1.15 #1 1.18 NC 1

Total Selenium g/m3 < 0.0011 < 0.0011 NC 1 < 0.0011 < 0.0011 NC 1 < 0.0011 < 0.0011 NC 1 < 0.0011 < 0.0011 NC 1

Total Silver g/m3 < 0.00011 < 0.00011 NC 1 < 0.00011 < 0.00011 NC 1 < 0.00011 < 0.00011 NC 1 < 0.00011 < 0.00011 NC 1

Total Sodium g/m3 12.4 12.3 0.8% 9.6 9.6 0.0% 14.2 14 1.4% 17.4 17.6 -1.1%Total Tin g/m3 < 0.00053 < 0.00053 NC 1 < 0.00053 < 0.00053 NC 1 < 0.00053 < 0.00053 NC 1 < 0.00053 < 0.00053 NC 1

Total Uranium g/m3 0.000047 0.000038 21.2% < 0.000021 < 0.000021 NC 1 < 0.000021 < 0.000021 NC 1 < 0.000021 < 0.000021 NC 1

Total Zinc g/m3 5.2 5.1 1.9% 0.054 0.055 -1.8% 1.81 1.77 2.2% 2.6 2.6 0.0%

NotesNC 1 Not calculated. Relative percentage difference not calculated if one or more of the results are below the anlaytical detection limit.

December Monitoring Round

RPD

November Monitoring Round

RPD

Total Metals

September Monitoring Round

RPD

October Monitoring Round

RPD

Dissolved Metals

Tui Mine Monitoring Report 2014 - Water Quality Monitoring (After Alkalinity Injection for the Rehabilitation of Tui Mine)


Table D3: Interlab Comparision Table and Calculated Relative Percentage Diffence Between Interlab Samples

Sampling RoundSample No. SW13 Miscellaneous SampleSampling Date 11/11/2015 9/11/2015Laboratory Number 1500740.6 15/37792-01Sum of Anions meq/L - - NCSum of Cations meq/L - - NCpH pH Units 7.6 7.7 -1.31%Total Alkalinity g/m3 as CaCO3 - - NC

Bicarbonate g/m3 at 25°C - - NCElectrical Conductivity (EC) mS/m 15.2 14.7 3.34%Total Suspended Solids g/m3 < 3 < 6 NCChloride g/m3 - - NCNitrite-N g/m3 - - NCNitrate-N g/m3 - - NCNitrate-N + Nitrite-N g/m3 - - NCSulphate g/m3 - - NCDissolved Metals - - NC

Total Hardness g/m3 as CaCO3 44 - NCDissolved Aluminium g/m3 0.005 0.009 -57.1%Dissolved Antimony g/m3 < 0.0002 < 0.001 NCDissolved Arsenic g/m3 < 0.0010 < 0.001 NCDissolved Barium g/m3 0.0088 0.012 -30.8%Dissolved Beryllium g/m3 < 0.00010 < 0.001 NCDissolved Boron g/m3 0.011 0.07 -145.7%Dissolved Cadmium g/m3 0.00038 < 0.0002 NCDissolved Calcium g/m3 11.4 12.9 -12.3%Dissolved Chromium g/m3 < 0.0005 < 0.001 NCDissolved Copper g/m3 0.0009 0.116 -196.9%Dissolved Iron g/m3 < 0.02 < 0.01 NCDissolved Lead g/m3 < 0.00010 < 0.0005 NCDissolved Lithium g/m3 0.0018 0.018 -163.6%Dissolved Magnesium g/m3 3.9 2.09 60.4%Dissolved Manganese g/m3 0.0005 < 0.0005 NCDissolved Mercury g/m3 < 0.00008 < 0.0005 NCDissolved Molybdenum g/m3 < 0.0002 < 0.0005 NCDissolved Nickel g/m3 0.001 0.0006 0.0%Dissolved Potassium g/m3 0.84 1.8 -72.7%Dissolved Selenium g/m3 < 0.0010 < 0.005 NCDissolved Silver g/m3 < 0.00010 < 0.0005 NCDissolved Sodium g/m3 9.7 12.6 -26.0%Dissolved Tin g/m3 < 0.0005 < 0.0005 NCDissolved Uranium g/m3 < 0.00002 < 0.0002 NCDissolved Zinc g/m3 0.053 0.068 -24.8%Total MetalsTotal Aluminium g/m3 0.0097 0.015 -42.91%Total Antimony g/m3 < 0.00021 < 0.002 NCTotal Arsenic g/m3 < 0.0011 < 0.002 NCTotal Barium g/m3 0.009 0.014 -45.61%Total Beryllium g/m3 < 0.00011 < 0.005 NCTotal Boron g/m3 0.0111 0.09 -156.1%Total Cadmium g/m3 0.00035 < 0.001 NCTotal Calcium g/m3 11.5 12.8 -10.70%Total Chromium g/m3 < 0.00053 < 0.001 NCTotal Copper g/m3 0.00109 0.23 -198.11%Total Iron g/m3 < 0.021 < 0.1 NCTotal Lead g/m3 0.00021 < 0.001 NCTotal Lithium g/m3 0.00179 0.023 -171.12%Total Magnesium g/m3 4.2 2.02 70.10%Total Manganese g/m3 0.00099 0.001 -1.0%Total Mercury g/m3 < 0.00008 < 0.001 NCTotal Molybdenum g/m3 < 0.00021 < 0.001 NCTotal Nickel g/m3 0.001 < 0.001 NCTotal Potassium g/m3 0.9 1.66 -58.4%Total Selenium g/m3 < 0.0011 < 0.005 NCTotal Silver g/m3 < 0.00011 < 0.001 NCTotal Sodium g/m3 10.6 11.4 -7.3%Total Tin g/m3 < 0.00053 < 0.001 NCTotal Uranium g/m3 < 0.000021 < 0.001 NCTotal Zinc g/m3

0.047 0.088 -60.7%

NotesNC Not calculated. Relative percentage difference not calculated if one or more of the results are below the anlaytical detection limit.

Outside QA/QC range

November Round 2015Relative Percentage Difference (%RPD)



Sampling RoundSample No.Sample Type Trip Blank Field Blank Trip Blank Field Blank Trip Blank Field Blank Trip Blank Field BlankSampling Date 23/09/2015 23/09/2015 15/10/2015 15/10/2015 11/11/2015 11/11/2015 8/12/2015 8/12/2015Laboratory Number 1480296.11 1480296.12 1489960.11 1489960.12 1500740.12 1500740.13 1513257.9 1513257.1Sum of Anions meq/L < 0.07 < 0.07 < 0.07 < 0.07 < 0.07 < 0.07 < 0.07 < 0.07Sum of Cations meq/L < 0.05 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05pH pH Units 6.5 6.6 6.0 5.9 7.0 6.3 6.6 6.2Total Alkalinity g/m3 as CaCO3 2.1 2.1 2.1 2.1 2.1 2.3 2.3 2.1

Bicarbonate g/m3 at 25°C 2.6 2.6 2.6 2.6 2.6 2.8 2.8 2.6Electrical Conductivity (EC) mS/m 0.1 0.1 < 0.1 0.1 0.1 0.1 0.1 < 0.1Total Suspended Solids g/m3 < 3 < 3 < 3 < 3 < 3 < 3 < 3 < 3Dissolved Lanthanum g/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Total Lanthanum g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Chloride g/m3 < 0.5 < 0.5 < 0.5 < 0.5 < 0.5 < 0.5 < 0.5 < 0.5Nitrite-N g/m3 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002Nitrate-N g/m3 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002Nitrate-N + Nitrite-N g/m3 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002Reactive Silica g/m3 as SiO2 < 0.1 < 0.10 < 0.10 < 0.10 < 0.10 < 0.10 < 0.10 < 0.10

Sulphate g/m3< 0.5 < 0.5 < 0.5 < 0.5 < 0.5 < 0.5 < 0.5 < 0.5

Total Hardness g/m3 as CaCO3 < 1.0 < 1.0 < 1.0 < 1.0 < 1.0 < 1.0 < 1.0 < 1.0

Dissolved Aluminium g/m3 < 0.003 < 0.003 < 0.003 < 0.003 < 0.003 < 0.003 < 0.003 < 0.003Dissolved Antimony g/m3 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002Dissolved Arsenic g/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Barium g/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Beryllium g/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Boron g/m3 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005Dissolved Cadmium g/m3 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005 < 0.00005Dissolved Calcium g/m3 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05Dissolved Chromium g/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Copper g/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Iron g/m3 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02Dissolved Lead g/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Lithium g/m3 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002Dissolved Magnesium g/m3 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02Dissolved Manganese g/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Mercury g/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Dissolved Molybdenum g/m3 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002Dissolved Nickel g/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Potassium g/m3 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05 < 0.05Dissolved Selenium g/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Silver g/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Sodium g/m3 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02Dissolved Tin g/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Uranium g/m3 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002Dissolved Zinc g/m3

< 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010

Total Aluminium g/m3 < 0.0032 < 0.0032 < 0.0032 < 0.0032 < 0.0032 < 0.0032 < 0.0032 < 0.0032Total Antimony g/m3 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021Total Arsenic g/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Total Barium g/m3 < 0.0053 < 0.0053 < 0.0053 < 0.0053 < 0.0053 < 0.0053 < 0.0053 < 0.0053Total Beryllium g/m3 < 0.00053 < 0.00053 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Boron g/m3 < 0.0053 < 0.0053 < 0.0053 < 0.0053 < 0.0053 < 0.0053 < 0.0053 < 0.0053Total Cadmium g/m3 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053 < 0.000053Total Calcium g/m3 < 0.053 < 0.053 < 0.053 < 0.053 < 0.053 < 0.053 < 0.053 < 0.053Total Chromium g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Copper g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Iron g/m3 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021Total Lead g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Lithium g/m3 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021Total Magnesium g/m3 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021Total Manganese g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Mercury g/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Total Molybdenum g/m3 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021Total Nickel g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Potassium g/m3 < 0.053 < 0.053 < 0.053 < 0.053 < 0.053 < 0.053 < 0.053 < 0.053Total Selenium g/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Total Silver g/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Sodium g/m3 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021 < 0.021Total Tin g/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Uranium g/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021Total Zinc g/m3

< 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011

Notes1. A detection of Dissolved Zinc was found in field blank sample BHB. The laboratory reanalysed the sample and confirmed the result. As the result meets project DQO, no further action was taken.

November Monitoring RoundOctober Monitoring RoundSeptember Monitoring Round December Monitoring Round

Dissolved Metals

Total Metals

Table D4: Results of Trip and Field Blank Analysis


Appendix E

Laborato

ry Resu

lts

R J Hill Laboratories Limited1 Clyde StreetPrivate Bag 3205Hamilton 3240, New Zealand

+64 7 858 2000+64 7 858 [email protected]

TelFaxEmailWeb

This Laboratory is accredited by International Accreditation New Zealand (IANZ), which represents New Zealand inthe International Laboratory Accreditation Cooperation (ILAC). Through the ILAC Mutual Recognition Arrangement(ILAC-MRA) this accreditation is internationally recognised.The tests reported herein have been performed in accordance with the terms of accreditation, with the exception oftests marked *, which are not accredited.

A N A L Y S I S R E P O R T Page 1 of 7

Client:Contact: A Rumsby

C/- Pattle Delamore Partners LimitedPO Box 9528NewmarketAUCKLAND 1149

Pattle Delamore Partners Limited Lab No:Date Registered:Date Reported:Quote No:Order No:Client Reference:Submitted By:

148029625-Sep-201505-Oct-201545622

A02277802G Sheridan

SPv1

Sample Type: AqueousSample Name:

Lab Number:

SW323-Sep-2015

SW523-Sep-2015

SW823-Sep-2015

SW1123-Sep-2015

1480296.1 1480296.2 1480296.3 1480296.4 1480296.5

SW723-Sep-2015

Individual Tests

meq/L 1.54 17.1 - - -Sum of Anionsmeq/L 1.53 16.7 - - -Sum of Cations

pH Units 7.0 6.9 6.6 7.6 6.2pHg/m3 as CaCO3 30 128 - - -Total Alkalinity

g/m3 at 25°C 36 156 - - -BicarbonatemS/m 16.8 136.7 31.9 8.4 50.4Electrical Conductivity (EC)

g/m3 < 3 21 < 3 < 3 21Total Suspended Solidsg/m3 < 0.00010 < 0.00010 0.00017 0.00012 0.00094Dissolved Lanthanumg/m3 < 0.00011 < 0.00011 0.00028 0.00017 0.0021Total Lanthanumg/m3 - - - - 0.0028Total Cyanideg/m3 8.6 9.6 - - -Chlorideg/m3 < 0.002 < 0.002 - - -Nitrite-Ng/m3 0.108 0.013 - - -Nitrate-Ng/m3 0.108 0.013 - - -Nitrate-N + Nitrite-N

g/m3 as SiO2 10.1 21 - - -Reactive Silicag/m3 34 680 - - -Sulphate

Drinking water metals suite, dissolved, trace

g/m3 as CaCO3 57 760 106 21 192Total Hardnessg/m3 0.009 < 0.003 0.041 0.041 0.008Dissolved Aluminiumg/m3 0.0002 < 0.0002 < 0.0002 < 0.0002 0.0009Dissolved Antimonyg/m3 < 0.0010 0.0162 < 0.0010 < 0.0010 0.0132Dissolved Arsenicg/m3 0.0184 0.027 0.0193 0.0048 0.029 #1Dissolved Bariumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.0005Dissolved Berylliumg/m3 0.009 0.033 0.012 0.007 0.013Dissolved Borong/m3 0.021 0.0032 0.0102 < 0.00005 0.033Dissolved Cadmiumg/m3 17.4 250 28 5.2 54Dissolved Calciumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Chromiumg/m3 0.035 < 0.0005 0.0039 0.0005 0.0124Dissolved Copperg/m3 0.05 7.3 < 0.02 0.03 6.5Dissolved Irong/m3 0.044 < 0.00010 0.0025 0.00012 0.0024Dissolved Leadg/m3 0.0025 0.037 0.0059 0.0006 #1 0.0167 #1Dissolved Lithiumg/m3 3.3 35 8.9 2.0 14.0 #1Dissolved Magnesiumg/m3 0.097 3.9 0.074 0.0009 3.0Dissolved Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Dissolved Mercuryg/m3 < 0.0002 0.0004 < 0.0002 < 0.0002 0.0084Dissolved Molybdenumg/m3 0.0009 0.025 0.0034 < 0.0005 0.043Dissolved Nickelg/m3 0.39 1.56 0.94 0.41 4.4 #1Dissolved Potassium


Lab Number:

SW323-Sep-2015

SW523-Sep-2015

SW823-Sep-2015

SW1123-Sep-2015

1480296.1 1480296.2 1480296.3 1480296.4 1480296.5

SW723-Sep-2015


g/m3 < 0.0010 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Seleniumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Silverg/m3 6.2 21 11.2 6.5 12.6 #1Dissolved Sodiumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Ting/m3 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002Dissolved Uraniumg/m3 3.4 4.3 1.54 0.0012 4.9Dissolved Zinc

Drinking water metals suite, totals, trace

g/m3 0.0158 0.0060 0.091 0.072 1.16Total Aluminiumg/m3 0.00026 < 0.00021 < 0.00021 < 0.00021 0.00098Total Antimonyg/m3 < 0.0011 0.021 < 0.0011 < 0.0011 0.029Total Arsenicg/m3 0.022 0.029 0.026 0.0060 0.028 #1Total Bariumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Berylliumg/m3 0.0094 0.044 0.0144 0.0092 0.0150Total Borong/m3 0.023 0.0034 0.0115 < 0.000053 0.035Total Cadmiumg/m3 20 270 35 6.2 54Total Calciumg/m3 < 0.00053 0.00176 < 0.00053 < 0.00053 0.00065Total Chromiumg/m3 0.061 0.00146 0.0069 0.00068 0.21Total Copperg/m3 0.32 10.1 0.060 0.070 8.7Total Irong/m3 0.115 0.00124 0.0095 0.00021 0.165Total Leadg/m3 0.0027 0.037 0.0060 0.00059 #1 0.0165 #1Total Lithiumg/m3 3.6 37 10.2 2.3 13.9 #1Total Magnesiumg/m3 0.109 4.1 0.096 0.0031 3.1Total Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.00047Total Mercuryg/m3 < 0.00021 0.00037 < 0.00021 < 0.00021 0.0097Total Molybdenumg/m3 0.00121 0.030 0.0042 < 0.00053 0.046Total Nickelg/m3 0.44 1.60 1.06 0.47 4.2 #1Total Potassiumg/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Total Seleniumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Silverg/m3 6.8 21 12.3 7.3 12.4 #1Total Sodiumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Ting/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 0.000047Total Uraniumg/m3 3.6 4.9 1.81 0.0020 5.2Total Zinc

Sample Name:

Lab Number:

SW1323-Sep-2015

SW1523-Sep-2015

SW10123-Sep-2015

Duplicate23-Sep-2015

1480296.6 1480296.7 1480296.8 1480296.9 1480296.10

SW10023-Sep-2015

Individual Tests

meq/L - - 4.6 0.98 4.9Sum of Anionsmeq/L - - 4.5 0.96 5.1Sum of Cations

pH Units 7.5 6.1 7.3 7.0 6.6pHg/m3 as CaCO3 - - 34 10.2 22Total Alkalinity

g/m3 at 25°C - - 41 12.4 26BicarbonatemS/m 13.9 33.1 45.8 11.2 51.4Electrical Conductivity (EC)

g/m3 < 3 < 3 < 3 < 3 21Total Suspended Solidsg/m3 < 0.00010 0.00014 < 0.00010 < 0.00010 0.00089Dissolved Lanthanumg/m3 < 0.00011 0.00017 0.00011 < 0.00011 0.0024Total Lanthanumg/m3 < 0.0010 < 0.0010 - - -Total Cyanideg/m3 - - 9.7 11.0 10.6Chlorideg/m3 - - < 0.002 < 0.002 0.006Nitrite-Ng/m3 - - 0.098 0.137 0.21Nitrate-Ng/m3 - - 0.098 0.137 0.22Nitrate-N + Nitrite-N

g/m3 as SiO2 - - 12.7 11.0 22Reactive Silicag/m3 - - 172 22 200Sulphate


g/m3 as CaCO3 40 118 198 27 195Total Hardnessg/m3 0.010 0.004 0.004 0.007 0.009Dissolved Aluminium

Lab No: 1480296 v 1 Hill Laboratories Page 2 of 7


Lab Number:

SW1323-Sep-2015

SW1523-Sep-2015

SW10123-Sep-2015

Duplicate23-Sep-2015

1480296.6 1480296.7 1480296.8 1480296.9 1480296.10

SW10023-Sep-2015


g/m3 < 0.0002 < 0.0002 0.0002 0.0003 0.0008Dissolved Antimonyg/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.0135Dissolved Arsenicg/m3 0.0079 0.028 0.020 0.0158 0.028Dissolved Bariumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Berylliumg/m3 0.012 #1 0.015 #1 0.019 #1 0.011 #1 0.014 #1Dissolved Borong/m3 0.00047 0.0084 0.0136 0.0165 0.034Dissolved Cadmiumg/m3 9.9 30 61 6.5 54Dissolved Calciumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Chromiumg/m3 0.0012 0.0074 0.0036 0.0057 0.0120Dissolved Copperg/m3 < 0.02 < 0.02 0.02 < 0.02 6.6Dissolved Irong/m3 0.00023 0.00059 0.0029 0.141 0.0024Dissolved Leadg/m3 0.0021 0.0075 0.0094 0.0021 0.0189 #1Dissolved Lithiumg/m3 3.7 10.8 11.2 2.5 14.8Dissolved Magnesiumg/m3 0.0034 0.0136 0.40 0.0008 3.1Dissolved Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Dissolved Mercuryg/m3 < 0.0002 0.0005 < 0.0002 < 0.0002 0.0084Dissolved Molybdenumg/m3 0.0007 0.0030 0.0059 0.0012 0.039Dissolved Nickelg/m3 0.80 1.42 0.77 0.68 4.6 #1Dissolved Potassiumg/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 0.0010Dissolved Seleniumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Silverg/m3 9.3 13.8 10.7 7.9 12.7 #1Dissolved Sodiumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Ting/m3 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002Dissolved Uraniumg/m3 0.071 1.61 2.4 1.94 4.8Dissolved Zinc


g/m3 0.0180 0.0051 0.0096 0.0103 1.21Total Aluminiumg/m3 < 0.00021 < 0.00021 0.00022 0.00032 0.00099Total Antimonyg/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 0.027Total Arsenicg/m3 0.0081 0.031 0.023 0.0178 0.032Total Bariumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Berylliumg/m3 0.0110 #1 0.0144 #1 0.0174 #1 0.0093 #1 0.0127 #1Total Borong/m3 0.00051 0.0093 0.0147 0.0180 0.037Total Cadmiumg/m3 11.7 35 70 7.6 58Total Calciumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.00072Total Chromiumg/m3 0.00156 0.0102 0.0079 0.0071 0.21Total Copperg/m3 0.029 0.024 0.30 < 0.021 8.9Total Irong/m3 0.00065 0.00072 0.0174 0.156 0.176Total Leadg/m3 0.0021 0.0078 0.0097 0.0022 0.0173 #1Total Lithiumg/m3 4.1 12.2 11.9 2.8 14.8Total Magnesiumg/m3 0.0050 0.0164 0.43 0.00123 3.2Total Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.00042Total Mercuryg/m3 < 0.00021 0.00056 < 0.00021 < 0.00021 0.0097Total Molybdenumg/m3 0.00099 0.0035 0.0072 0.00136 0.046Total Nickelg/m3 0.88 1.58 0.81 0.74 4.4 #1Total Potassiumg/m3 < 0.0011 0.0013 < 0.0011 < 0.0011 < 0.0011Total Seleniumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Silverg/m3 10.2 15.4 11.3 8.8 12.3 #1Total Sodiumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Ting/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 0.000038Total Uraniumg/m3 0.076 1.75 2.6 2.1 5.1Total Zinc

Sample Name:

Lab Number:

Trip Blank23-Sep-2015

Field Blank23-Sep-2015

1480296.11 1480296.12Individual Tests

meq/L < 0.07 < 0.07 - - -Sum of Anions



Lab Number:




meq/L < 0.05 < 0.05 - - -Sum of CationspH Units 6.5 6.6 - - -pH

g/m3 as CaCO3 2.1 2.1 - - -Total Alkalinityg/m3 at 25°C 2.6 2.6 - - -Bicarbonate

mS/m 0.1 0.1 - - -Electrical Conductivity (EC)g/m3 < 3 < 3 - - -Total Suspended Solidsg/m3 < 0.00010 < 0.00010 - - -Dissolved Lanthanumg/m3 < 0.00011 < 0.00011 - - -Total Lanthanumg/m3 < 0.5 < 0.5 - - -Chlorideg/m3 < 0.002 < 0.002 - - -Nitrite-Ng/m3 < 0.002 < 0.002 - - -Nitrate-Ng/m3 < 0.002 < 0.002 - - -Nitrate-N + Nitrite-N

g/m3 as SiO2 < 0.10 < 0.10 - - -Reactive Silicag/m3 < 0.5 < 0.5 - - -Sulphate


g/m3 as CaCO3 < 1.0 < 1.0 - - -Total Hardnessg/m3 < 0.003 < 0.003 - - -Dissolved Aluminiumg/m3 < 0.0002 < 0.0002 - - -Dissolved Antimonyg/m3 < 0.0010 < 0.0010 - - -Dissolved Arsenicg/m3 < 0.00010 < 0.00010 - - -Dissolved Bariumg/m3 < 0.00010 < 0.00010 - - -Dissolved Berylliumg/m3 < 0.005 < 0.005 - - -Dissolved Borong/m3 < 0.00005 < 0.00005 - - -Dissolved Cadmiumg/m3 < 0.05 < 0.05 - - -Dissolved Calciumg/m3 < 0.0005 < 0.0005 - - -Dissolved Chromiumg/m3 < 0.0005 < 0.0005 - - -Dissolved Copperg/m3 < 0.02 < 0.02 - - -Dissolved Irong/m3 < 0.00010 < 0.00010 - - -Dissolved Leadg/m3 < 0.0002 < 0.0002 - - -Dissolved Lithiumg/m3 < 0.02 < 0.02 - - -Dissolved Magnesiumg/m3 < 0.0005 < 0.0005 - - -Dissolved Manganeseg/m3 < 0.00008 < 0.00008 - - -Dissolved Mercuryg/m3 < 0.0002 < 0.0002 - - -Dissolved Molybdenumg/m3 < 0.0005 < 0.0005 - - -Dissolved Nickelg/m3 < 0.05 < 0.05 - - -Dissolved Potassiumg/m3 < 0.0010 < 0.0010 - - -Dissolved Seleniumg/m3 < 0.00010 < 0.00010 - - -Dissolved Silverg/m3 < 0.02 < 0.02 - - -Dissolved Sodiumg/m3 < 0.0005 < 0.0005 - - -Dissolved Ting/m3 < 0.00002 < 0.00002 - - -Dissolved Uraniumg/m3 < 0.0010 < 0.0010 - - -Dissolved Zinc


g/m3 < 0.0032 < 0.0032 - - -Total Aluminiumg/m3 < 0.00021 < 0.00021 - - -Total Antimonyg/m3 < 0.0011 < 0.0011 - - -Total Arsenicg/m3 < 0.0053 < 0.0053 - - -Total Bariumg/m3 < 0.00053 < 0.00053 - - -Total Berylliumg/m3 < 0.0053 < 0.0053 - - -Total Borong/m3 < 0.000053 < 0.000053 - - -Total Cadmiumg/m3 < 0.053 < 0.053 - - -Total Calciumg/m3 < 0.00053 < 0.00053 - - -Total Chromiumg/m3 < 0.00053 < 0.00053 - - -Total Copperg/m3 < 0.021 < 0.021 - - -Total Irong/m3 < 0.00011 < 0.00011 - - -Total Leadg/m3 < 0.00021 < 0.00021 - - -Total Lithium



Lab Number:



1480296.11 1480296.12Drinking water metals suite, totals, trace

g/m3 < 0.021 < 0.021 - - -Total Magnesiumg/m3 < 0.00053 < 0.00053 - - -Total Manganeseg/m3 < 0.00008 < 0.00008 - - -Total Mercuryg/m3 < 0.00021 < 0.00021 - - -Total Molybdenumg/m3 < 0.00053 < 0.00053 - - -Total Nickelg/m3 < 0.053 < 0.053 - - -Total Potassiumg/m3 < 0.0011 < 0.0011 - - -Total Seleniumg/m3 < 0.00011 < 0.00011 - - -Total Silverg/m3 < 0.021 < 0.021 - - -Total Sodiumg/m3 < 0.00053 < 0.00053 - - -Total Ting/m3 < 0.000021 < 0.000021 - - -Total Uraniumg/m3 < 0.0011 < 0.0011 - - -Total Zinc


Analyst's Comments#1 It has been noted that the result for the dissolved fraction was greater than that for the total fraction, but within analyticalvariation of the methods.

The following table(s) gives a brief description of the methods used to conduct the analyses for this job. The detection limits given below are those attainable in a relatively clean matrix.Detection limits may be higher for individual samples should insufficient sample be available, or if the matrix requires that dilutions be performed during analysis.

S U M M A R Y O F M E T H O D S

Sample Type: AqueousTest Method Description Default Detection Limit Sample NoIndividual Tests

1-2, 8-12Filtration, Unpreserved Sample filtration through 0.45µm membrane filter. -

1-12Total Digestion Boiling nitric acid digestion. APHA 3030 E 22nd ed. 2012(modified).

-

1-12Total acid digest for Silver analysis Boiling nitric / hydrochloric acid digestion (5:1 ratio). APHA 3030F (modified) 22nd ed. 2012.

-

5-7Total Cyanide Distillation Distillation following the addition of sulphuric acid, alkalinetrapping solution. APHA 4500-CN- C (modified) 22nd ed. 2012.

-

1-2, 8-12Total anions for anion/cation balancecheck

Calculation: sum of anions as mEquiv/L calculated fromAlkalinity (bicarbonate), Chloride and Sulphate. Nitrate-N,Nitrite-N. Fluoride, Dissolved Reactive Phosphorus andCyanide also included in calculation if available.APHA 1030 E 22nd ed. 2012.

0.07 meq/L

1-2, 8-12Total cations for anion/cation balancecheck

Sum of cations as mEquiv/L calculated from Sodium,Potassium, Calcium and Magnesium. Iron, Manganese,Aluminium, Zinc, Copper, Lithium, Total Ammoniacal-N and pH(H+) also included in calculation if available.APHA 1030 E 22nd ed. 2012.

0.05 meq/L

1-12pH pH meter. APHA 4500-H+ B 22nd ed. 2012. Note: It is notpossible to achieve the APHA Maximum StorageRecommendation for this test (15 min) when samples areanalysed upon receipt at the laboratory, and not in the field.

0.1 pH Units

1-2, 8-12Total Alkalinity Titration to pH 4.5 (M-alkalinity), autotitrator. APHA 2320 B(Modified for alk <20) 22nd ed. 2012.

1.0 g/m3 as CaCO3

1-2, 8-12Bicarbonate Calculation: from alkalinity and pH, valid where TDS is not >500mg/L and alkalinity is almost entirely due to hydroxides,carbonates or bicarbonates. APHA 4500-CO2 D 22nd ed. 2012.

1.0 g/m3 at 25°C

1-12Electrical Conductivity (EC) Conductivity meter, 25°C. APHA 2510 B 22nd ed. 2012. 0.1 mS/m

1-12Total Suspended Solids Filtration using Whatman 934 AH, Advantec GC-50 orequivalent filters (nominal pore size 1.2 - 1.5µm), gravimetricdetermination. APHA 2540 D 22nd ed. 2012.

3 g/m3

1-12Dissolved Lanthanum Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-12Total Lanthanum Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00011 g/m3

5-7Total Cyanide Distillation, colorimetry. APHA 4500-CN- C (modified) & E(modified) 22nd ed. 2012.

0.0010 g/m3

1-2, 8-12Chloride Filtered sample. Ferric thiocyanate colorimetry. DiscreteAnalyser. APHA 4500 Cl- E (modified from continuous flowanalysis) 22nd ed. 2012.

0.5 g/m3

Sample Type: AqueousTest Method Description Default Detection Limit Sample No

1-2, 8-12Nitrite-N Automated Azo dye colorimetry, Flow injection analyser. APHA4500-NO3- I 22nd ed. 2012 (modified).

0.002 g/m3

1-2, 8-12Nitrate-N Calculation: (Nitrate-N + Nitrite-N) - NO2N. In-House. 0.0010 g/m3

1-2, 8-12Nitrate-N + Nitrite-N Total oxidised nitrogen. Automated cadmium reduction, flowinjection analyser. APHA 4500-NO3- I 22nd ed. 2012 (modified).

0.002 g/m3

1-2, 8-12Reactive Silica Filtered sample. Heteropoly blue colorimetry. Discrete analyser.APHA 4500-SiO2 F (modified from flow injection analysis) 22nd

ed. 2012.

0.10 g/m3 as SiO2

1-2, 8-12Sulphate Filtered sample. Ion Chromatography. APHA 4110 B 22nd ed.2012.

0.5 g/m3


1-12Total Hardness Calculation from Calcium and Magnesium. APHA 2340 B 22nd

ed. 2012.1.0 g/m3 as CaCO3

1-12Dissolved Aluminium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.003 g/m3

1-12Dissolved Antimony Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0002 g/m3

1-12Dissolved Arsenic Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0010 g/m3

1-12Dissolved Barium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-12Dissolved Beryllium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-12Dissolved Boron Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.005 g/m3

1-12Dissolved Cadmium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00005 g/m3

1-12Dissolved Calcium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.05 g/m3

1-12Dissolved Chromium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-12Dissolved Copper Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-12Dissolved Iron Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.02 g/m3

1-12Dissolved Lead Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-12Dissolved Lithium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0002 g/m3

1-12Dissolved Magnesium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.02 g/m3

1-12Dissolved Manganese Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-12Dissolved Mercury 0.45µm filtration, bromine oxidation followed by atomicfluorescence. US EPA Method 245.7, Feb 2005.

0.00008 g/m3

1-12Dissolved Molybdenum Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0002 g/m3

1-12Dissolved Nickel Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-12Dissolved Potassium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.05 g/m3

1-12Dissolved Selenium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0010 g/m3

1-12Dissolved Silver Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-12Dissolved Sodium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.02 g/m3

1-12Dissolved Tin Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-12Dissolved Uranium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00002 g/m3

1-12Dissolved Zinc Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0010 g/m3


1-12Total Aluminium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0032 g/m3

1-12Total Antimony Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00021 g/m3



1-12Total Arsenic Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0011 g/m3

1-12Total Barium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0053 g/m3

1-12Total Beryllium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00011 g/m3

1-12Total Boron Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0053 g/m3

1-12Total Cadmium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.000053 g/m3

1-12Total Calcium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.053 g/m3

1-12Total Chromium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00053 g/m3

1-12Total Copper Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00053 g/m3

1-12Total Iron Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.021 g/m3

1-12Total Lead Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00011 g/m3

1-12Total Lithium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00021 g/m3

1-12Total Magnesium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.021 g/m3

1-12Total Manganese Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00053 g/m3

1-12Total Mercury Bromine Oxidation followed by Atomic Fluorescence. US EPAMethod 245.7, Feb 2005.

0.00008 g/m3

1-12Total Molybdenum Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00021 g/m3

1-12Total Nickel Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00053 g/m3

1-12Total Potassium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.053 g/m3

1-12Total Selenium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0011 g/m3

1-12Total Silver Boiling nitric / hydrochloric acid digestion (5:1 ratio), ICP-MS,trace level. APHA 3125 B 22nd ed. 2012.

0.00011 g/m3

1-12Total Sodium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.021 g/m3

1-12Total Tin Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00053 g/m3

1-12Total Uranium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.000021 g/m3

1-12Total Zinc Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0011 g/m3


These samples were collected by yourselves (or your agent) and analysed as received at the laboratory.

Samples are held at the laboratory after reporting for a length of time depending on the preservation used and the stability ofthe analytes being tested. Once the storage period is completed the samples are discarded unless otherwise advised by theclient.

This report must not be reproduced, except in full, without the written consent of the signatory.

Ara Heron BSc (Tech)Client Services Manager - Environmental Division


+64 7 858 2000+64 7 858 [email protected]

TelFaxEmailWeb






148996017-Oct-201530-Oct-201545622

A02277814A Rumsby

SPv1


Lab Number:

SW3 15-Oct-2015 SW5 15-Oct-2015 SW8 15-Oct-2015 SW1115-Oct-2015

1489960.1 1489960.2 1489960.3 1489960.4 1489960.5

SW7 15-Oct-2015

Individual Tests




g/m3 < 3 21 < 3 < 3 24Total Suspended Solidsg/m3 < 0.00010 < 0.00010 0.00020 0.00011 0.0038Dissolved Lanthanumg/m3 < 0.00011 0.00011 0.00025 0.00013 0.0051Total Lanthanumg/m3 - - - - 0.0050Total Cyanideg/m3 8.6 9.7 - - -Chlorideg/m3 < 0.002 0.003 - - -Nitrite-Ng/m3 0.071 0.009 - - -Nitrate-Ng/m3 0.071 0.012 - - -Nitrate-N + Nitrite-N



g/m3 as CaCO3 69 770 138 25 210Total Hardnessg/m3 0.006 < 0.003 0.040 0.025 0.009Dissolved Aluminiumg/m3 0.0003 < 0.0002 < 0.0002 < 0.0002 0.0007Dissolved Antimonyg/m3 < 0.0010 0.0183 < 0.0010 < 0.0010 0.023Dissolved Arsenicg/m3 0.022 0.027 0.023 0.0057 0.032Dissolved Bariumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 0.00011Dissolved Berylliumg/m3 0.009 0.033 0.014 0.010 #1 0.016Dissolved Borong/m3 0.027 0.0031 0.0116 #1 < 0.00005 0.051Dissolved Cadmiumg/m3 21 250 38 6.3 60Dissolved Calciumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Chromiumg/m3 0.040 < 0.0005 0.0038 < 0.0005 0.0192Dissolved Copperg/m3 0.03 8.7 < 0.02 < 0.02 11.0Dissolved Irong/m3 0.034 < 0.00010 0.00189 < 0.00010 0.0187Dissolved Leadg/m3 0.0031 0.038 #1 0.0066 #1 0.0007 #1 0.025 #1Dissolved Lithiumg/m3 3.8 33 #1 10.7 2.2 14.5 #1Dissolved Magnesiumg/m3 0.112 4.1 0.080 #1 0.0006 4.3Dissolved Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Dissolved Mercuryg/m3 0.0002 0.0003 < 0.0002 < 0.0002 0.0160Dissolved Molybdenumg/m3 0.0010 0.026 0.0039 < 0.0005 0.061 #1Dissolved Nickelg/m3 0.38 1.34 0.94 0.41 6.6Dissolved Potassium


Lab Number:

SW3 15-Oct-2015 SW5 15-Oct-2015 SW8 15-Oct-2015 SW1115-Oct-2015

1489960.1 1489960.2 1489960.3 1489960.4 1489960.5

SW7 15-Oct-2015


g/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Seleniumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Silverg/m3 6.4 22 #1 13.1 #1 7.8 #1 16.1 #1Dissolved Sodiumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Ting/m3 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002Dissolved Uraniumg/m3 4.3 #1 4.7 1.76 #1 0.0013 #1 7.5Dissolved Zinc


g/m3 0.0175 < 0.0032 0.062 0.053 1.61Total Aluminiumg/m3 0.00041 < 0.00021 < 0.00021 < 0.00021 0.00090Total Antimonyg/m3 < 0.0011 0.027 < 0.0011 < 0.0011 0.041Total Arsenicg/m3 0.024 0.029 0.025 0.0065 0.034Total Bariumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.00017Total Berylliumg/m3 0.0092 0.035 0.0140 0.0086 #1 0.0165Total Borong/m3 0.027 0.0035 0.0110 #1 < 0.000053 0.053Total Cadmiumg/m3 22 250 38 6.5 63Total Calciumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.00075Total Chromiumg/m3 0.070 < 0.00053 0.0043 0.00060 0.21Total Copperg/m3 0.40 12.3 0.027 0.064 13.7Total Irong/m3 0.114 0.00086 0.0032 0.00014 0.23Total Leadg/m3 0.0032 0.034 #1 0.0064 #1 0.00064 #1 0.022 #1Total Lithiumg/m3 4.1 32 #1 11.0 2.4 14.3 #1Total Magnesiumg/m3 0.118 4.1 0.079 #1 0.0022 4.3Total Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.00048Total Mercuryg/m3 0.00025 0.00037 < 0.00021 < 0.00021 0.021Total Molybdenumg/m3 0.00112 0.027 0.0039 < 0.00053 0.060 #1Total Nickelg/m3 0.41 1.51 1.02 0.43 6.6Total Potassiumg/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Total Seleniumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Silverg/m3 6.5 21 #1 12.8 #1 7.1 #1 14.8 #1Total Sodiumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Ting/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 0.000037Total Uraniumg/m3 4.2 #1 5.1 1.67 #1 0.0012 #1 7.7Total Zinc

Sample Name:

Lab Number:

SW1315-Oct-2015

SW1515-Oct-2015

SW10115-Oct-2015

Duplicate15-Oct-2015

1489960.6 1489960.7 1489960.8 1489960.9 1489960.10

SW10015-Oct-2015

Individual Tests




g/m3 < 3 < 3 < 3 < 3 < 3Total Suspended Solidsg/m3 < 0.00010 0.00013 < 0.00010 < 0.00010 < 0.00010Dissolved Lanthanumg/m3 < 0.00011 0.00015 0.00013 < 0.00011 < 0.00011Total Lanthanumg/m3 < 0.0010 < 0.0010 - - -Total Cyanideg/m3 - - 9.4 10.8 9.9Chlorideg/m3 - - < 0.002 < 0.002 < 0.002Nitrite-Ng/m3 - - 0.064 0.115 0.056Nitrate-Ng/m3 - - 0.064 0.115 0.056Nitrate-N + Nitrite-N

g/m3 as SiO2 - - 13.7 12.4 18.8Reactive Silicag/m3 - - 240 25 29Sulphate


g/m3 as CaCO3 43 114 270 29 42Total Hardnessg/m3 0.006 0.003 < 0.003 0.005 0.006Dissolved Aluminium



Lab Number:

SW1315-Oct-2015

SW1515-Oct-2015

SW10115-Oct-2015

Duplicate15-Oct-2015

1489960.6 1489960.7 1489960.8 1489960.9 1489960.10

SW10015-Oct-2015


g/m3 < 0.0002 < 0.0002 0.0002 0.0004 #1 < 0.0002Dissolved Antimonyg/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Arsenicg/m3 0.0079 0.027 0.024 0.0177 0.0082Dissolved Bariumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Berylliumg/m3 0.012 #1 0.014 #1 0.019 #1 0.014 0.013 #1Dissolved Borong/m3 0.00039 0.0082 0.0145 0.0172 0.00039 #1Dissolved Cadmiumg/m3 10.9 29 85 7.6 10.8Dissolved Calciumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Chromiumg/m3 0.0011 0.0064 0.0030 0.0054 #1 0.0013Dissolved Copperg/m3 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02Dissolved Irong/m3 0.00016 0.00049 0.0022 0.187 0.00025Dissolved Leadg/m3 0.0021 #1 0.0079 #1 0.0128 #1 0.0023 #1 0.0020 #1Dissolved Lithiumg/m3 3.8 10.1 14.2 2.6 3.7Dissolved Magnesiumg/m3 0.0008 0.0089 #1 0.51 #1 0.0007 0.0008Dissolved Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Dissolved Mercuryg/m3 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002Dissolved Molybdenumg/m3 0.0007 0.0029 #1 0.0077 0.0012 0.0007 #1Dissolved Nickelg/m3 0.73 1.18 0.78 0.63 0.71Dissolved Potassiumg/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Seleniumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Silverg/m3 10.1 #1 14.3 #1 13.0 #1 8.5 #1 10.0 #1Dissolved Sodiumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Ting/m3 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002Dissolved Uraniumg/m3 0.058 #1 1.55 #1 2.6 2.0 #1 0.059 #1Dissolved Zinc


g/m3 0.0131 0.0035 0.0047 0.0052 0.0128Total Aluminiumg/m3 < 0.00021 < 0.00021 0.00025 0.00037 #1 < 0.00021Total Antimonyg/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Total Arsenicg/m3 0.0084 0.029 0.025 0.0190 0.0089Total Bariumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Berylliumg/m3 0.0112 #1 0.0136 #1 0.0188 #1 0.0118 0.0109 #1Total Borong/m3 0.00036 0.0078 0.0137 0.0152 0.00037 #1Total Cadmiumg/m3 11.2 30 88 7.7 10.9Total Calciumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Chromiumg/m3 0.00116 0.0084 0.0058 0.0050 #1 0.00138Total Copperg/m3 < 0.021 < 0.021 0.36 < 0.021 < 0.021Total Irong/m3 0.00035 0.00056 0.0155 0.161 0.00044Total Leadg/m3 0.00188 #1 0.0072 #1 0.0112 #1 0.0022 #1 0.00184 #1Total Lithiumg/m3 4.0 10.3 14.3 2.8 3.9Total Magnesiumg/m3 0.00149 0.0087 #1 0.49 #1 0.00098 0.00162Total Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Total Mercuryg/m3 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021Total Molybdenumg/m3 0.00085 0.0028 #1 0.0087 0.00147 0.00068 #1Total Nickelg/m3 0.77 1.29 0.90 0.69 0.81Total Potassiumg/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Total Seleniumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Silverg/m3 9.6 #1 13.6 #1 12.6 #1 8.0 #1 9.6 #1Total Sodiumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Ting/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021Total Uraniumg/m3 0.054 #1 1.48 #1 2.6 1.83 #1 0.055 #1Total Zinc

Sample Name:

Lab Number:

Trip Blank15-Oct-2015

Field Blank15-Oct-2015

Unnamed WaterSample 2

1489960.11 1489960.12 1489960.13 1489960.14


Individual Tests

meq/L < 0.07 < 0.07 1.39 1.22 -Sum of Anions



Lab Number:




1489960.11 1489960.12 1489960.13 1489960.14


Individual Tests

meq/L < 0.05 < 0.05 1.46 1.30 -Sum of CationspH Units 6.0 5.9 7.7 7.8 -pH

g/m3 as CaCO3 2.1 2.1 30 26 -Total Alkalinityg/m3 at 25°C 2.6 2.6 37 31 -Bicarbonate

g/m3 as CaCO3 - - 40 36 -Total HardnessmS/m < 0.1 0.1 15.7 13.9 -Electrical Conductivity (EC)

g/m3 < 3 < 3 - - -Total Suspended Solidsg/m3 - - 12.3 11.1 -Dissolved Calciumg/m3 < 0.00010 < 0.00010 - - -Dissolved Lanthanumg/m3 < 0.00011 < 0.00011 - - -Total Lanthanumg/m3 - - 2.3 1.95 -Dissolved Magnesiumg/m3 - - 2.1 1.84 -Dissolved Potassiumg/m3 - - 13.9 12.3 -Dissolved Sodiumg/m3 < 0.5 < 0.5 15.5 14.7 -Chlorideg/m3 < 0.002 < 0.002 < 0.002 < 0.002 -Nitrite-Ng/m3 < 0.002 < 0.002 0.22 0.141 -Nitrate-Ng/m3 < 0.002 < 0.002 0.22 0.141 -Nitrate-N + Nitrite-N

g/m3 as SiO2 < 0.10 < 0.10 - - -Reactive Silicag/m3 < 0.5 < 0.5 16.2 13.4 -Sulphate




g/m3 < 0.0032 < 0.0032 - - -Total Aluminiumg/m3 < 0.00021 < 0.00021 - - -Total Antimonyg/m3 < 0.0011 < 0.0011 - - -Total Arsenicg/m3 < 0.0053 < 0.0053 - - -Total Bariumg/m3 < 0.00011 < 0.00011 - - -Total Berylliumg/m3 < 0.0053 < 0.0053 - - -Total Borong/m3 < 0.000053 < 0.000053 - - -Total Cadmiumg/m3 < 0.053 < 0.053 - - -Total Calcium



Lab Number:




1489960.11 1489960.12 1489960.13 1489960.14



g/m3 < 0.00053 < 0.00053 - - -Total Chromiumg/m3 < 0.00053 < 0.00053 - - -Total Copperg/m3 < 0.021 < 0.021 - - -Total Irong/m3 < 0.00011 < 0.00011 - - -Total Leadg/m3 < 0.00021 < 0.00021 - - -Total Lithiumg/m3 < 0.021 < 0.021 - - -Total Magnesiumg/m3 < 0.00053 < 0.00053 - - -Total Manganeseg/m3 < 0.00008 < 0.00008 - - -Total Mercuryg/m3 < 0.00021 < 0.00021 - - -Total Molybdenumg/m3 < 0.00053 < 0.00053 - - -Total Nickelg/m3 < 0.053 < 0.053 - - -Total Potassiumg/m3 < 0.0011 < 0.0011 - - -Total Seleniumg/m3 < 0.00011 < 0.00011 - - -Total Silverg/m3 < 0.021 < 0.021 - - -Total Sodiumg/m3 < 0.00053 < 0.00053 - - -Total Ting/m3 < 0.000021 < 0.000021 - - -Total Uraniumg/m3 < 0.0011 < 0.0011 - - -Total Zinc








-


-

5-7Total Cyanide Distillation Distillation following the addition of sulphuric acid, alkalinetrapping solution. APHA 4500-CN- C (modified) 22nd ed. 2012.

-



0.07 meq/L



0.05 meq/L


0.1 pH Units


1.0 g/m3 as CaCO3


1.0 g/m3 at 25°C



3 g/m3

13-14Filtration for dissolved metals analysis Sample filtration through 0.45µm membrane filter andpreservation with nitric acid. APHA 3030 B 22nd ed. 2012.

-


0.00010 g/m3



0.00011 g/m3

5-7Total Cyanide Distillation, colorimetry. APHA 4500-CN- C (modified) & E(modified) 22nd ed. 2012.

0.0010 g/m3


0.5 g/m3


0.002 g/m3



0.002 g/m3


ed. 2012.

0.10 g/m3 as SiO2


0.5 g/m3



ed. 2012.1.0 g/m3 as CaCO3


0.003 g/m3


0.0002 g/m3


0.0010 g/m3


0.00010 g/m3


0.00010 g/m3


0.005 g/m3


0.00005 g/m3


0.05 g/m3


0.0005 g/m3


0.0005 g/m3


0.02 g/m3


0.00010 g/m3


0.0002 g/m3


0.02 g/m3


0.0005 g/m3


0.00008 g/m3


0.0002 g/m3


0.0005 g/m3


0.05 g/m3


0.0010 g/m3


0.00010 g/m3


0.02 g/m3


0.0005 g/m3


0.00002 g/m3




0.0010 g/m3



0.0032 g/m3


0.00021 g/m3


0.0011 g/m3


0.0053 g/m3


0.00011 g/m3


0.0053 g/m3


0.000053 g/m3


0.053 g/m3


0.00053 g/m3


0.00053 g/m3


0.021 g/m3


0.00011 g/m3


0.00021 g/m3


0.021 g/m3


0.00053 g/m3


0.00008 g/m3


0.00021 g/m3


0.00053 g/m3


0.053 g/m3


0.0011 g/m3


0.00011 g/m3


0.021 g/m3


0.00053 g/m3


0.000021 g/m3


0.0011 g/m3







+64 7 858 2000+64 7 858 [email protected]

TelFaxEmailWeb






150074013-Nov-201520-Nov-201545622

A02277814G Sheridan

SPv1


Lab Number:

SW311-Nov-2015

SW511-Nov-2015

SW811-Nov-2015

SW1111-Nov-2015

1500740.1 1500740.2 1500740.3 1500740.4 1500740.5

SW711-Nov-2015

Individual Tests




g/m3 < 3 23 < 3 < 3 11Total Suspended Solidsg/m3 < 0.00010 < 0.00010 0.00021 < 0.00010 0.0031Dissolved Lanthanumg/m3 < 0.00011 < 0.00011 0.00025 < 0.00011 0.0039Total Lanthanumg/m3 - - - - 0.0030Total Cyanideg/m3 8.7 9.5 - - -Chlorideg/m3 < 0.002 0.003 - - -Nitrite-Ng/m3 0.026 0.013 - - -Nitrate-Ng/m3 0.026 0.016 - - -Nitrate-N + Nitrite-N



g/m3 as CaCO3 109 730 166 30 210Total Hardnessg/m3 0.004 < 0.003 0.029 0.016 0.013Dissolved Aluminiumg/m3 0.0004 < 0.0002 0.0002 < 0.0002 0.0005Dissolved Antimonyg/m3 < 0.0010 0.0178 < 0.0010 < 0.0010 0.0169Dissolved Arsenicg/m3 0.031 0.029 0.029 0.0070 0.035Dissolved Bariumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Berylliumg/m3 0.009 0.031 0.015 0.010 0.018Dissolved Borong/m3 0.036 #1 0.0034 0.0138 < 0.00005 0.027Dissolved Cadmiumg/m3 34 250 47 #1 7.7 61Dissolved Calciumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Chromiumg/m3 0.034 < 0.0005 0.0030 < 0.0005 0.0017Dissolved Copperg/m3 < 0.02 7.1 < 0.02 < 0.02 5.7Dissolved Irong/m3 0.0084 < 0.00010 0.00131 < 0.00010 0.0198Dissolved Leadg/m3 0.0051 0.031 0.0071 0.0007 0.022Dissolved Lithiumg/m3 5.9 29 12.0 #1 2.6 14.1Dissolved Magnesiumg/m3 0.184 3.7 #1 0.053 0.0005 3.3Dissolved Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Dissolved Mercuryg/m3 0.0004 0.0004 #1 < 0.0002 < 0.0002 0.0131Dissolved Molybdenumg/m3 0.0008 0.024 0.0037 < 0.0005 0.054Dissolved Nickelg/m3 0.54 1.64 1.16 0.55 5.3Dissolved Potassium


Lab Number:

SW311-Nov-2015

SW511-Nov-2015

SW811-Nov-2015

SW1111-Nov-2015

1500740.1 1500740.2 1500740.3 1500740.4 1500740.5

SW711-Nov-2015


g/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Seleniumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Silverg/m3 6.4 20 13.3 7.9 14.2Dissolved Sodiumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Ting/m3 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002Dissolved Uraniumg/m3 5.1 #1 4.4 1.95 #1 0.0020 #1 5.7 #1Dissolved Zinc


g/m3 0.0165 < 0.0032 0.045 0.040 0.89Total Aluminiumg/m3 0.00048 < 0.00021 0.00024 < 0.00021 0.00051Total Antimonyg/m3 0.0011 0.026 < 0.0011 < 0.0011 0.025Total Arsenicg/m3 0.032 0.030 0.030 0.0074 0.035Total Bariumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 0.00020Total Berylliumg/m3 0.0107 0.033 0.0156 0.0102 0.0187Total Borong/m3 0.035 #1 0.0035 0.0139 < 0.000053 0.029Total Cadmiumg/m3 35 260 46 #1 7.7 61Total Calciumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 0.00057Total Chromiumg/m3 0.082 0.00068 0.0040 < 0.00053 0.072Total Copperg/m3 0.49 9.8 < 0.021 0.048 6.6Total Irong/m3 0.081 0.0021 0.0024 < 0.00011 0.131Total Leadg/m3 0.0052 0.032 0.0072 0.00070 0.022Total Lithiumg/m3 6.0 34 12.3 #1 2.8 14.6Total Magnesiumg/m3 0.185 3.2 #1 0.051 0.0023 3.4Total Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 0.00031Total Mercuryg/m3 0.00044 0.00035 #1 < 0.00021 < 0.00021 0.0144Total Molybdenumg/m3 0.00114 0.025 0.0043 < 0.00053 0.057Total Nickelg/m3 0.55 1.72 1.25 0.56 5.5Total Potassiumg/m3 < 0.0011 0.0015 < 0.0011 < 0.0011 < 0.0011Total Seleniumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Silverg/m3 7.2 23 14.2 8.5 15.5Total Sodiumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Ting/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 0.000028Total Uraniumg/m3 4.7 #1 4.7 1.81 #1 0.0012 #1 5.2 #1Total Zinc

Sample Name:

Lab Number:

SW1311-Nov-2015

SW1511-Nov-2015

SW10111-Nov-2015

Duplicate 111-Nov-2015

1500740.6 1500740.8 1500740.9 1500740.10 1500740.11

SW10011-Nov-2015

Individual Tests




g/m3 < 3 < 3 < 3 < 3 < 3Total Suspended Solidsg/m3 < 0.00010 0.00014 < 0.00010 < 0.00010 0.00019Dissolved Lanthanumg/m3 < 0.00011 0.00014 0.00016 < 0.00011 0.00024Total Lanthanumg/m3 < 0.0010 < 0.0010 - - -Total Cyanideg/m3 - - 9.6 11.5 11.2Chlorideg/m3 - - < 0.002 < 0.002 < 0.002Nitrite-Ng/m3 - - 0.062 0.094 0.108Nitrate-Ng/m3 - - 0.062 0.094 0.108Nitrate-N + Nitrite-N

g/m3 as SiO2 - - 15.1 14.1 17.6Reactive Silicag/m3 - - 330 30 154Sulphate


g/m3 as CaCO3 44 116 360 35 168Total Hardnessg/m3 0.005 < 0.003 < 0.003 0.004 0.026Dissolved Aluminium



Lab Number:

SW1311-Nov-2015

SW1511-Nov-2015

SW10111-Nov-2015

Duplicate 111-Nov-2015

1500740.6 1500740.8 1500740.9 1500740.10 1500740.11

SW10011-Nov-2015


g/m3 < 0.0002 < 0.0002 0.0004 0.0005 0.0003Dissolved Antimonyg/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Arsenicg/m3 0.0088 0.028 #1 0.029 0.021 0.029Dissolved Bariumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Berylliumg/m3 0.011 0.013 0.021 #1 0.012 0.016 #1Dissolved Borong/m3 0.00038 #1 0.0089 #1 0.0173 #1 0.0175 0.0141 #1Dissolved Cadmiumg/m3 11.4 30 114 8.8 47 #1Dissolved Calciumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Chromiumg/m3 0.0009 0.0066 0.0032 0.0049 0.0029Dissolved Copperg/m3 < 0.02 < 0.02 < 0.02 < 0.02 < 0.02Dissolved Irong/m3 < 0.00010 0.00045 0.0030 0.173 0.00128Dissolved Leadg/m3 0.0018 0.0071 0.0129 0.0024 0.0071Dissolved Lithiumg/m3 3.9 10.2 17.2 3.1 12.2Dissolved Magnesiumg/m3 0.0005 0.0074 #1 0.44 #1 0.0009 0.053 #1Dissolved Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Dissolved Mercuryg/m3 < 0.0002 < 0.0002 < 0.0002 < 0.0002 < 0.0002Dissolved Molybdenumg/m3 0.0006 0.0023 0.0091 0.0013 0.0036Dissolved Nickelg/m3 0.84 1.40 1.07 0.79 1.20Dissolved Potassiumg/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Seleniumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Silverg/m3 9.7 13.7 13.8 8.5 13.4Dissolved Sodiumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Ting/m3 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002Dissolved Uraniumg/m3 0.053 #1 1.60 #1 2.9 #1 2.0 #1 1.89 #1Dissolved Zinc


g/m3 0.0097 0.0033 0.0041 0.0085 0.045Total Aluminiumg/m3 < 0.00021 < 0.00021 0.00032 0.00046 0.00022Total Antimonyg/m3 < 0.0011 < 0.0011 0.0012 < 0.0011 < 0.0011Total Arsenicg/m3 0.0088 0.027 #1 0.030 0.021 0.029Total Bariumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Berylliumg/m3 0.0111 0.0141 0.021 #1 0.0130 0.0159 #1Total Borong/m3 0.00035 #1 0.0084 #1 0.0172 #1 0.0175 0.0136 #1Total Cadmiumg/m3 11.5 30 114 8.9 46 #1Total Calciumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Chromiumg/m3 0.00109 0.0083 0.0062 0.0052 0.0040Total Copperg/m3 < 0.021 < 0.021 0.40 < 0.021 < 0.021Total Irong/m3 0.00021 0.00049 0.0174 0.178 0.0023Total Leadg/m3 0.00179 0.0073 0.0130 0.0024 0.0071Total Lithiumg/m3 4.2 10.8 18.4 3.2 12.8Total Magnesiumg/m3 0.00099 0.0072 #1 0.44 #1 0.00095 0.050 #1Total Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Total Mercuryg/m3 < 0.00021 < 0.00021 < 0.00021 < 0.00021 < 0.00021Total Molybdenumg/m3 0.00063 0.0028 0.0095 0.00140 0.0040Total Nickelg/m3 0.91 1.47 1.11 0.84 1.25Total Potassiumg/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Total Seleniumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Silverg/m3 10.6 14.8 14.7 9.1 14.0Total Sodiumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Ting/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021Total Uraniumg/m3 0.047 #1 1.47 #1 2.8 #1 1.82 #1 1.77 #1Total Zinc

Sample Name:

Lab Number:

Trip Blank11-Nov-2015

Field Blank11-Nov-2015


meq/L < 0.07 < 0.07 - - -Sum of Anions



Lab Number:




meq/L < 0.05 < 0.05 - - -Sum of CationspH Units 7.0 6.3 - - -pH

g/m3 as CaCO3 2.1 2.3 - - -Total Alkalinityg/m3 at 25°C 2.6 2.8 - - -Bicarbonate

mS/m 0.1 0.1 - - -Electrical Conductivity (EC)g/m3 < 3 < 3 - - -Total Suspended Solidsg/m3 < 0.00010 < 0.00010 - - -Dissolved Lanthanumg/m3 < 0.00011 < 0.00011 - - -Total Lanthanumg/m3 < 0.5 < 0.5 - - -Chlorideg/m3 < 0.002 < 0.002 - - -Nitrite-Ng/m3 < 0.002 < 0.002 - - -Nitrate-Ng/m3 < 0.002 < 0.002 - - -Nitrate-N + Nitrite-N

g/m3 as SiO2 < 0.10 < 0.10 - - -Reactive Silicag/m3 < 0.5 < 0.5 - - -Sulphate




g/m3 < 0.0032 < 0.0032 - - -Total Aluminiumg/m3 < 0.00021 < 0.00021 - - -Total Antimonyg/m3 < 0.0011 < 0.0011 - - -Total Arsenicg/m3 < 0.0053 < 0.0053 - - -Total Bariumg/m3 < 0.00011 < 0.00011 - - -Total Berylliumg/m3 < 0.0053 < 0.0053 - - -Total Borong/m3 < 0.000053 < 0.000053 - - -Total Cadmiumg/m3 < 0.053 < 0.053 - - -Total Calciumg/m3 < 0.00053 < 0.00053 - - -Total Chromiumg/m3 < 0.00053 < 0.00053 - - -Total Copperg/m3 < 0.021 < 0.021 - - -Total Irong/m3 < 0.00011 < 0.00011 - - -Total Leadg/m3 < 0.00021 < 0.00021 - - -Total Lithium



Lab Number:



1500740.12 1500740.13Drinking water metals suite, totals, trace

g/m3 < 0.021 < 0.021 - - -Total Magnesiumg/m3 < 0.00053 < 0.00053 - - -Total Manganeseg/m3 < 0.00008 < 0.00008 - - -Total Mercuryg/m3 < 0.00021 < 0.00021 - - -Total Molybdenumg/m3 < 0.00053 < 0.00053 - - -Total Nickelg/m3 < 0.053 < 0.053 - - -Total Potassiumg/m3 < 0.0011 < 0.0011 - - -Total Seleniumg/m3 < 0.00011 < 0.00011 - - -Total Silverg/m3 < 0.021 < 0.021 - - -Total Sodiumg/m3 < 0.00053 < 0.00053 - - -Total Ting/m3 < 0.000021 < 0.000021 - - -Total Uraniumg/m3 < 0.0011 < 0.0011 - - -Total Zinc







1-6, 8-13Total Digestion Boiling nitric acid digestion. APHA 3030 E 22nd ed. 2012(modified).

-

1-6, 8-13Total acid digest for Silver analysis Boiling nitric / hydrochloric acid digestion (5:1 ratio). APHA 3030F (modified) 22nd ed. 2012.

-

5-6, 8Total Cyanide Distillation Distillation following the addition of sulphuric acid, alkalinetrapping solution. APHA 4500-CN- C (modified) 22nd ed. 2012.

-



0.07 meq/L



0.05 meq/L

1-6, 8-13pH pH meter. APHA 4500-H+ B 22nd ed. 2012. Note: It is notpossible to achieve the APHA Maximum StorageRecommendation for this test (15 min) when samples areanalysed upon receipt at the laboratory, and not in the field.

0.1 pH Units


1.0 g/m3 as CaCO3


1.0 g/m3 at 25°C

1-6, 8-13Electrical Conductivity (EC) Conductivity meter, 25°C. APHA 2510 B 22nd ed. 2012. 0.1 mS/m

1-6, 8-13Total Suspended Solids Filtration using Whatman 934 AH, Advantec GC-50 orequivalent filters (nominal pore size 1.2 - 1.5µm), gravimetricdetermination. APHA 2540 D 22nd ed. 2012.

3 g/m3

1-6, 8-13Dissolved Lanthanum Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-6, 8-13Total Lanthanum Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00011 g/m3

5-6, 8Total Cyanide Distillation, colorimetry. APHA 4500-CN- C (modified) & E(modified) 22nd ed. 2012.

0.0010 g/m3


0.5 g/m3



0.002 g/m3



0.002 g/m3


ed. 2012.

0.10 g/m3 as SiO2


0.5 g/m3


1-6, 8-13Total Hardness Calculation from Calcium and Magnesium. APHA 2340 B 22nd

ed. 2012.1.0 g/m3 as CaCO3

1-6, 8-13Dissolved Aluminium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.003 g/m3

1-6, 8-13Dissolved Antimony Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0002 g/m3

1-6, 8-13Dissolved Arsenic Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0010 g/m3

1-6, 8-13Dissolved Barium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-6, 8-13Dissolved Beryllium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-6, 8-13Dissolved Boron Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.005 g/m3

1-6, 8-13Dissolved Cadmium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00005 g/m3

1-6, 8-13Dissolved Calcium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.05 g/m3

1-6, 8-13Dissolved Chromium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-6, 8-13Dissolved Copper Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-6, 8-13Dissolved Iron Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.02 g/m3

1-6, 8-13Dissolved Lead Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-6, 8-13Dissolved Lithium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0002 g/m3

1-6, 8-13Dissolved Magnesium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.02 g/m3

1-6, 8-13Dissolved Manganese Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-6, 8-13Dissolved Mercury 0.45µm filtration, bromine oxidation followed by atomicfluorescence. US EPA Method 245.7, Feb 2005.

0.00008 g/m3

1-6, 8-13Dissolved Molybdenum Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0002 g/m3

1-6, 8-13Dissolved Nickel Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-6, 8-13Dissolved Potassium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.05 g/m3

1-6, 8-13Dissolved Selenium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0010 g/m3

1-6, 8-13Dissolved Silver Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00010 g/m3

1-6, 8-13Dissolved Sodium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.02 g/m3

1-6, 8-13Dissolved Tin Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0005 g/m3

1-6, 8-13Dissolved Uranium Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00002 g/m3

1-6, 8-13Dissolved Zinc Filtered sample, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0010 g/m3


1-6, 8-13Total Aluminium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0032 g/m3

1-6, 8-13Total Antimony Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00021 g/m3



1-6, 8-13Total Arsenic Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0011 g/m3

1-6, 8-13Total Barium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0053 g/m3

1-6, 8-13Total Beryllium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00011 g/m3

1-6, 8-13Total Boron Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.0053 g/m3

1-6, 8-13Total Cadmium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.000053 g/m3

1-6, 8-13Total Calcium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.053 g/m3

1-6, 8-13Total Chromium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00053 g/m3

1-6, 8-13Total Copper Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00053 g/m3

1-6, 8-13Total Iron Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.021 g/m3

1-6, 8-13Total Lead Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00011 g/m3

1-6, 8-13Total Lithium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00021 g/m3

1-6, 8-13Total Magnesium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.021 g/m3

1-6, 8-13Total Manganese Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00053 g/m3

1-6, 8-13Total Mercury Bromine Oxidation followed by Atomic Fluorescence. US EPAMethod 245.7, Feb 2005.

0.00008 g/m3

1-6, 8-13Total Molybdenum Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00021 g/m3

1-6, 8-13Total Nickel Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.00053 g/m3

1-6, 8-13Total Potassium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.053 g/m3

1-6, 8-13Total Selenium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0011 g/m3

1-6, 8-13Total Silver Boiling nitric / hydrochloric acid digestion (5:1 ratio), ICP-MS,trace level. APHA 3125 B 22nd ed. 2012.

0.00011 g/m3

1-6, 8-13Total Sodium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.021 g/m3

1-6, 8-13Total Tin Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012.

0.00053 g/m3

1-6, 8-13Total Uranium Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.000021 g/m3

1-6, 8-13Total Zinc Nitric acid digestion, ICP-MS, trace level. APHA 3125 B 22nd ed.2012 / US EPA 200.8.

0.0011 g/m3





Carole Rodgers-Carroll BA, NZCSClient Services Manager - Environmental Division


+64 7 858 2000+64 7 858 [email protected]

TelFaxEmailWeb






151325710-Dec-201516-Dec-201545622

A02277816A Rumsby

SPv1


Lab Number:

SW3 SW5 SW808-Dec-2015

SW15

1513257.1 1513257.2 1513257.3 1513257.4 1513257.5

SW708-Dec-2015

Individual Tests




g/m3 < 3 10 < 3 < 3 < 3Total Suspended Solidsg/m3 < 0.00010 < 0.00010 0.00016 < 0.00010 0.00014Dissolved Lanthanumg/m3 < 0.00011 < 0.00011 0.00019 < 0.00011 0.00015Total Lanthanumg/m3 - - - - < 0.0010Total Cyanideg/m3 8.7 9.8 - - -Chlorideg/m3 < 0.002 < 0.002 - - -Nitrite-Ng/m3 0.083 0.012 - - -Nitrate-Ng/m3 0.083 0.012 - - -Nitrate-N + Nitrite-N

g/m3 as SiO2 10.7 18.6 - - -Reactive Silicag/m3 40 430 - - -Sulphate


g/m3 as CaCO3 66 470 129 26 111Total Hardnessg/m3 0.007 < 0.003 0.033 0.017 < 0.003Dissolved Aluminiumg/m3 0.0003 < 0.0002 < 0.0002 < 0.0002 < 0.0002Dissolved Antimonyg/m3 < 0.0010 0.0042 < 0.0010 < 0.0010 < 0.0010Dissolved Arsenicg/m3 0.021 #1 0.024 0.024 0.0064 0.028Dissolved Bariumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Berylliumg/m3 0.009 0.027 #1 0.016 #1 0.010 #1 0.014 #1Dissolved Borong/m3 0.031 #1 0.00174 0.0117 #1 < 0.00005 0.0087Dissolved Cadmiumg/m3 21 #1 153 36 #1 6.8 #1 29Dissolved Calciumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Chromiumg/m3 0.039 < 0.0005 0.0036 < 0.0005 0.0076Dissolved Copperg/m3 < 0.02 0.64 < 0.02 < 0.02 < 0.02Dissolved Irong/m3 0.024 < 0.00010 0.00183 < 0.00010 0.00056Dissolved Leadg/m3 0.0031 #1 0.024 #1 0.0064 #1 0.0007 0.0069Dissolved Lithiumg/m3 3.4 22 9.5 2.2 9.4Dissolved Magnesiumg/m3 0.114 2.0 0.064 0.0005 0.0076Dissolved Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Dissolved Mercuryg/m3 0.0002 0.0003 < 0.0002 < 0.0002 < 0.0002Dissolved Molybdenumg/m3 0.0009 0.0156 0.0033 < 0.0005 0.0027Dissolved Nickelg/m3 0.41 1.20 #1 1.06 #1 0.48 #1 1.39 #1Dissolved Potassium


Lab Number:

SW3 SW5 SW808-Dec-2015

SW15

1513257.1 1513257.2 1513257.3 1513257.4 1513257.5

SW708-Dec-2015


g/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Seleniumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Silverg/m3 6.0 15.9 10.8 7.4 12.6Dissolved Sodiumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Ting/m3 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002Dissolved Uraniumg/m3 4.1 1.94 1.61 0.0011 1.48Dissolved Zinc


g/m3 0.031 0.0037 0.044 0.047 < 0.0032Total Aluminiumg/m3 0.00037 < 0.00021 0.00024 < 0.00021 < 0.00021Total Antimonyg/m3 < 0.0011 0.0110 < 0.0011 < 0.0011 < 0.0011Total Arsenicg/m3 0.0199 #1 0.024 0.024 0.0071 0.030Total Bariumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Berylliumg/m3 0.0093 0.024 #1 0.0139 #1 0.0087 #1 0.0132 #1Total Borong/m3 0.030 #1 0.0022 0.0114 #1 < 0.000053 0.0087Total Cadmiumg/m3 19.9 #1 161 34 #1 6.6 #1 29Total Calciumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Chromiumg/m3 0.080 < 0.00053 0.0042 < 0.00053 0.0081Total Copperg/m3 0.37 4.4 < 0.021 0.046 < 0.021Total Irong/m3 0.113 0.00096 0.0032 0.00016 0.00060Total Leadg/m3 0.0030 #1 0.021 #1 0.0061 #1 0.00073 0.0070Total Lithiumg/m3 3.8 24 10.2 2.6 10.5Total Magnesiumg/m3 0.129 2.2 0.066 0.0035 0.0080Total Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Total Mercuryg/m3 0.00024 0.00035 < 0.00021 < 0.00021 < 0.00021Total Molybdenumg/m3 0.00111 0.0176 0.0037 < 0.00053 0.0030Total Nickelg/m3 0.42 1.15 #1 1.00 #1 0.47 #1 1.31 #1Total Potassiumg/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Total Seleniumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Silverg/m3 6.3 17.4 12.3 7.9 14.6Total Sodiumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Ting/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021Total Uraniumg/m3 4.4 2.6 1.67 0.0016 1.59Total Zinc

Sample Name:

Lab Number:

SW10008-Dec-2015

SW10108-Dec-2015

Trip Blank08-Dec-2015

Field Blank

1513257.6 1513257.7 1513257.8 1513257.9 1513257.10

Duplicate

Individual Tests

meq/L 5.3 1.09 11.0 < 0.07 < 0.07Sum of Anionsmeq/L 5.0 1.01 10.2 < 0.05 < 0.05Sum of Cations

pH Units 7.6 6.6 7.5 6.6 6.2pHg/m3 as CaCO3 48 13.8 91 2.3 2.1Total Alkalinity

g/m3 at 25°C 58 16.8 111 2.8 2.6BicarbonatemS/m 52.5 11.9 98.6 0.1 < 0.1Electrical Conductivity (EC)

g/m3 < 3 < 3 10 < 3 < 3Total Suspended Solidsg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Lanthanumg/m3 0.00013 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Lanthanumg/m3 9.9 11.4 9.8 < 0.5 < 0.5Chlorideg/m3 < 0.002 < 0.002 < 0.002 < 0.002 < 0.002Nitrite-Ng/m3 0.073 0.132 0.012 < 0.002 < 0.002Nitrate-Ng/m3 0.073 0.132 0.013 < 0.002 < 0.002Nitrate-N + Nitrite-N

g/m3 as SiO2 14.8 13.7 18.7 < 0.10 < 0.10Reactive Silicag/m3 194 23 430 < 0.5 < 0.5Sulphate


g/m3 as CaCO3 220 30 470 < 1.0 < 1.0Total Hardnessg/m3 0.004 0.005 #1 < 0.003 < 0.003 < 0.003Dissolved Aluminiumg/m3 0.0003 #1 0.0004 #1 < 0.0002 < 0.0002 < 0.0002Dissolved Antimony



Lab Number:

SW10008-Dec-2015

SW10108-Dec-2015

Trip Blank08-Dec-2015

Field Blank

1513257.6 1513257.7 1513257.8 1513257.9 1513257.10

Duplicate


g/m3 < 0.0010 < 0.0010 0.0041 < 0.0010 < 0.0010Dissolved Arsenicg/m3 0.026 #1 0.0186 #1 0.022 < 0.00010 < 0.00010Dissolved Bariumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Berylliumg/m3 0.018 #1 0.012 0.024 < 0.005 < 0.005Dissolved Borong/m3 0.0142 0.0166 #1 0.00165 < 0.00005 < 0.00005Dissolved Cadmiumg/m3 69 7.6 155 < 0.05 < 0.05Dissolved Calciumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Chromiumg/m3 0.0042 0.0052 < 0.0005 < 0.0005 < 0.0005Dissolved Copperg/m3 < 0.02 < 0.02 0.60 < 0.02 < 0.02Dissolved Irong/m3 0.0027 0.157 < 0.00010 < 0.00010 < 0.00010Dissolved Leadg/m3 0.0095 #1 0.0022 0.022 < 0.0002 < 0.0002Dissolved Lithiumg/m3 11.5 2.6 20 < 0.02 < 0.02Dissolved Magnesiumg/m3 0.33 0.0010 1.98 < 0.0005 < 0.0005Dissolved Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Dissolved Mercuryg/m3 < 0.0002 < 0.0002 0.0003 #1 < 0.0002 < 0.0002Dissolved Molybdenumg/m3 0.0066 0.0013 0.0156 < 0.0005 < 0.0005Dissolved Nickelg/m3 0.86 #1 0.71 1.16 < 0.05 < 0.05Dissolved Potassiumg/m3 < 0.0010 < 0.0010 < 0.0010 < 0.0010 < 0.0010Dissolved Seleniumg/m3 < 0.00010 < 0.00010 < 0.00010 < 0.00010 < 0.00010Dissolved Silverg/m3 10.6 7.9 14.8 < 0.02 < 0.02Dissolved Sodiumg/m3 < 0.0005 < 0.0005 < 0.0005 < 0.0005 < 0.0005Dissolved Ting/m3 < 0.00002 < 0.00002 < 0.00002 < 0.00002 < 0.00002Dissolved Uraniumg/m3 2.3 1.70 1.96 < 0.0010 < 0.0010Dissolved Zinc


g/m3 0.0041 0.0047 #1 0.0049 < 0.0032 < 0.0032Total Aluminiumg/m3 0.00026 #1 0.00036 #1 < 0.00021 < 0.00021 < 0.00021Total Antimonyg/m3 < 0.0011 < 0.0011 0.0103 < 0.0011 < 0.0011Total Arsenicg/m3 0.025 #1 0.0185 #1 0.025 < 0.0053 < 0.0053Total Bariumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Berylliumg/m3 0.0169 #1 0.0124 0.026 < 0.0053 < 0.0053Total Borong/m3 0.0147 0.0158 #1 0.0022 < 0.000053 < 0.000053Total Cadmiumg/m3 74 7.7 165 < 0.053 < 0.053Total Calciumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Chromiumg/m3 0.0058 0.0058 < 0.00053 < 0.00053 < 0.00053Total Copperg/m3 0.31 < 0.021 4.2 < 0.021 < 0.021Total Irong/m3 0.0132 0.163 0.00097 < 0.00011 < 0.00011Total Leadg/m3 0.0090 #1 0.0022 0.022 < 0.00021 < 0.00021Total Lithiumg/m3 13.3 3.0 23 < 0.021 < 0.021Total Magnesiumg/m3 0.36 0.00106 2.2 < 0.00053 < 0.00053Total Manganeseg/m3 < 0.00008 < 0.00008 < 0.00008 < 0.00008 < 0.00008Total Mercuryg/m3 < 0.00021 < 0.00021 0.00023 #1 < 0.00021 < 0.00021Total Molybdenumg/m3 0.0069 0.00142 0.0167 < 0.00053 < 0.00053Total Nickelg/m3 0.82 #1 0.73 1.18 < 0.053 < 0.053Total Potassiumg/m3 < 0.0011 < 0.0011 < 0.0011 < 0.0011 < 0.0011Total Seleniumg/m3 < 0.00011 < 0.00011 < 0.00011 < 0.00011 < 0.00011Total Silverg/m3 12.0 8.9 17.6 < 0.021 < 0.021Total Sodiumg/m3 < 0.00053 < 0.00053 < 0.00053 < 0.00053 < 0.00053Total Ting/m3 < 0.000021 < 0.000021 < 0.000021 < 0.000021 < 0.000021Total Uraniumg/m3 2.4 1.81 2.6 < 0.0011 < 0.0011Total Zinc

Sample Name:

Lab Number:

TUN0108-Dec-20151513257.11

Individual Tests

pH Units 7.1 - - - -pHmS/m 23.3 - - - -Electrical Conductivity (EC)



Lab Number:

TUN0108-Dec-20151513257.11

Individual Tests

g/m3 < 3 - - - -Total Suspended Solidsg/m3 < 0.00010 - - - -Dissolved Lanthanumg/m3 < 0.00011 - - - -Total Lanthanum


g/m3 as CaCO3 80 - - - -Total Hardnessg/m3 0.004 - - - -Dissolved Aluminiumg/m3 < 0.0002 - - - -Dissolved Antimonyg/m3 < 0.0010 - - - -Dissolved Arsenicg/m3 0.020 #1 - - - -Dissolved Bariumg/m3 < 0.00010 - - - -Dissolved Berylliumg/m3 0.016 #1 - - - -Dissolved Borong/m3 0.0039 - - - -Dissolved Cadmiumg/m3 22 #1 - - - -Dissolved Calciumg/m3 < 0.0005 - - - -Dissolved Chromiumg/m3 0.0009 - - - -Dissolved Copperg/m3 0.03 - - - -Dissolved Irong/m3 < 0.00010 - - - -Dissolved Leadg/m3 0.0031 #1 - - - -Dissolved Lithiumg/m3 6.2 - - - -Dissolved Magnesiumg/m3 0.0051 - - - -Dissolved Manganeseg/m3 < 0.00008 - - - -Dissolved Mercuryg/m3 < 0.0002 - - - -Dissolved Molybdenumg/m3 0.0007 - - - -Dissolved Nickelg/m3 0.98 #1 - - - -Dissolved Potassiumg/m3 < 0.0010 - - - -Dissolved Seleniumg/m3 < 0.00010 - - - -Dissolved Silverg/m3 10.4 - - - -Dissolved Sodiumg/m3 < 0.0005 - - - -Dissolved Ting/m3 < 0.00002 - - - -Dissolved Uraniumg/m3 0.36 - - - -Dissolved Zinc


g/m3 0.0072 - - - -Total Aluminiumg/m3 < 0.00021 - - - -Total Antimonyg/m3 < 0.0011 - - - -Total Arsenicg/m3 0.0198 #1 - - - -Total Bariumg/m3 < 0.00011 - - - -Total Berylliumg/m3 0.0157 #1 - - - -Total Borong/m3 0.0039 - - - -Total Cadmiumg/m3 21 #1 - - - -Total Calciumg/m3 < 0.00053 - - - -Total Chromiumg/m3 0.00107 - - - -Total Copperg/m3 0.036 - - - -Total Irong/m3 0.00018 - - - -Total Leadg/m3 0.0029 #1 - - - -Total Lithiumg/m3 7.4 - - - -Total Magnesiumg/m3 0.0055 - - - -Total Manganeseg/m3 < 0.00008 - - - -Total Mercuryg/m3 < 0.00021 - - - -Total Molybdenumg/m3 0.00087 - - - -Total Nickelg/m3 0.95 #1 - - - -Total Potassiumg/m3 < 0.0011 - - - -Total Seleniumg/m3 < 0.00011 - - - -Total Silverg/m3 11.8 - - - -Total Sodiumg/m3 < 0.00053 - - - -Total Ting/m3 < 0.000021 - - - -Total Uranium



Lab Number:

TUN0108-Dec-20151513257.11


g/m3 0.36 - - - -Total Zinc








-


-

5Total Cyanide Distillation Distillation following the addition of sulphuric acid, alkalinetrapping solution. APHA 4500-CN- C (modified) 22nd ed. 2012.

-



0.07 meq/L



0.05 meq/L


0.1 pH Units


1.0 g/m3 as CaCO3


1.0 g/m3 at 25°C



3 g/m3


0.00010 g/m3


0.00011 g/m3

5Total Cyanide Distillation, colorimetry. APHA 4500-CN- C (modified) & E(modified) 22nd ed. 2012.

0.0010 g/m3


0.5 g/m3


0.002 g/m3



0.002 g/m3


ed. 2012.

0.10 g/m3 as SiO2


0.5 g/m3



ed. 2012.1.0 g/m3 as CaCO3



0.003 g/m3


0.0002 g/m3


0.0010 g/m3


0.00010 g/m3


0.00010 g/m3


0.005 g/m3


0.00005 g/m3


0.05 g/m3


0.0005 g/m3


0.0005 g/m3


0.02 g/m3


0.00010 g/m3


0.0002 g/m3


0.02 g/m3


0.0005 g/m3


0.00008 g/m3


0.0002 g/m3


0.0005 g/m3


0.05 g/m3


0.0010 g/m3


0.00010 g/m3


0.02 g/m3


0.0005 g/m3


0.00002 g/m3


0.0010 g/m3



0.0032 g/m3


0.00021 g/m3


0.0011 g/m3


0.0053 g/m3


0.00011 g/m3


0.0053 g/m3


0.000053 g/m3


0.053 g/m3




0.00053 g/m3


0.00053 g/m3


0.021 g/m3


0.00011 g/m3


0.00021 g/m3


0.021 g/m3


0.00053 g/m3


0.00008 g/m3


0.00021 g/m3


0.00053 g/m3


0.053 g/m3


0.0011 g/m3


0.00011 g/m3


0.021 g/m3


0.00053 g/m3


0.000021 g/m3


0.0011 g/m3







Appendix F

Statistical Analysis (W

ater Quality)


A02277814 Stat Analysis Summary Table App F.xlsx PATTLE DELAMORE PARTNERS LTD

Trend at ≥ 80% confidence level




pH No statistically significant difference No Increasing Increasing Increasing Increasing

Sulphate Statistically significant difference Yes, concentration increased after remediation Increasing No Trend Increasing No Trend

Alkalinity Statistically significant difference Yes, concentration increased after remediation Increasing Increasing Increasing Increasing

Arsenic Dissolved Data points under the detection limit - - - - -

Arsenic Total Data points under the detection limit - - - - -

Cadmium Dissolved Statistically significant difference Yes, concentration increased after remediation No Trend No Trend No Trend No Trend

Cadmium Total Recoverable Statistically significant difference Yes, concentration increased after remediation No Trend No Trend No Trend No Trend

Calcium Dissolved Not enough data points before remediation Yes, concentration increased after remediation Increasing No Trend Increasing Increasing

Calcium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation Increasing Increasing Increasing Increasing

Copper Dissolved Statistically significant difference Yes, concentration increased after remediation No Trend No Trend No Trend No Trend

Copper Total Recoverable Statistically significant difference Yes, concentration increased after remediation No Trend No Trend No Trend No Trend

Iron Total Recoverable No statistically significant difference No No Trend No Trend No Trend No Trend

Lead Dissolved Statistically significant difference Yes, concentration increased after remediation Increasing No Trend Decreasing Decreasing

Lead Total Recoverable Statistically significant difference Yes, concentration increased after remediation No Trend No Trend Decreasing Decreasing

Magnesium Dissolved Not enough data points before remediation Yes, concentration increased after remediation No Trend No Trend Increasing Increasing

Magnesium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation No Trend No Trend Increasing Increasing

Zinc Dissolved Statistically significant difference Yes, concentration increased after remediation No Trend No Trend No Trend No Trend

Zinc Total Recoverable Statistically significant difference Yes, concentration increased after remediation No Trend No Trend No Trend No Trend

pH Statistically significant difference Yes, pH decreased after remediation Decreasing No Trend Increasing Increasing

Sulphate Statistically significant difference Yes, concentration increased after remediation Increasing No Trend Decreasing Decreasing

Alkalinity Statistically significant difference Yes, concentration increased after remediation Increasing Increasing Decreasing Decreasing

Arsenic Dissolved Statistically significant difference Yes, concentration increased after remediation Increasing Increasing Decreasing Decreasing

Arsenic Total Recoverable Statistically significant difference Yes, concentration increased after remediation Increasing Increasing No Trend No Trend

Cadmium Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Cadmium Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Calcium Dissolved Statistically significant difference Yes, concentration increased after remediation Increasing No Trend Decreasing Decreasing

Calcium Total Recoverable Statistically significant difference Yes, concentration increased after remediation Increasing No Trend Decreasing Decreasing

Copper Dissolved Data points under the detection limit after remediation - - - - -

Copper Total Recoverable Data points under the detection limit after remediation - - - - -

Iron Total Recoverable Statistically significant difference Yes, concentration increased after remediation Increasing No Trend Decreasing Decreasing

Lead Dissolved Data points under the detection limit after remediation - - - - -

Lead Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing No Trend

Magnesium Dissolved Statistically significant difference Yes, concentration increased after remediation Increasing No Trend Decreasing Decreasing

Magnesium Total Recoverable Statistically significant difference Yes, concentration increased after remediation No Trend No Trend Decreasing Decreasing

Zinc Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Zinc Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

pH No statistically significant difference No Increasing No Trend No Trend No Trend

Sulphate Not measured after remediation - - - - -

Alkalinity Not measured after remediation - - - - -

Arsenic Dissolved Data points under the detection limit after remediation - - - - -

Arsenic Total Recoverable Data points under the detection limit after remediation - - - - -

Cadmium Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing No Trend No Trend

Cadmium Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing No Trend No Trend

Calcium Dissolved Not enough data points before remediation Yes, concentration increased after remediation Increasing No Trend Increasing No Trend

Calcium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation Increasing No Trend Increasing No Trend

Copper Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing No Trend

Copper Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Iron Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Lead Dissolved No statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing No Trend

Lead Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Magnesium Dissolved Not enough data points before remediation Yes, concentration increased after remediation No Trend No Trend Increasing No Trend

Magnesium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation No Trend No Trend Increasing Increasing

Zinc Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing No Trend


pH No statistically significant difference No No Trend No Trend Increasing Increasing

Sulphate Not measured after remediation - - - - -

Alkalinity Not measured after remediation - - - - -


Arsenic Total Recoverable Data points under the detection limit - - - - -

Cadmium Dissolved Data points under the detection limit - - - - -

Cadmium Total Recoverable Data points under the detection limit - - - - -

Calcium Dissolved Not enough data points before remediation Yes, concentration increased after remediation Increasing No Trend No Trend No Trend

Calcium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation No Trend No Trend Increasing Increasing

Copper Dissolved No statistically significant difference No No Trend No Trend Not enough data points Not enough data points

Copper Total Recoverable No statistically significant difference No Decreasing No Trend Not enough data points Not enough data points

Iron Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation No Trend No Trend Decreasing No Trend

Lead Dissolved No statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Not enough data points Not enough data points

Lead Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing No Trend

Magnesium Dissolved Not enough data points before remediation No Increasing No Trend Decreasing Decreasing

Magnesium Total Recoverable Not enough data points before remediation No No Trend No Trend Decreasing Decreasing

Zinc Dissolved No statistically significant difference Yes, concentration decreased after remediation No Trend No Trend Decreasing Decreasing

Zinc Total Recoverable No statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend Decreasing Decreasing

pH Statistically significant difference Yes, pH increased after remediation No Trend No Trend

Sulphate Not measured after remediation - - -

Alkalinity Not measured after remediation - - -

Arsenic Dissolved No statistically significant difference No No Trend No Trend

Arsenic Total Recoverable No statistically significant difference No No Trend No Trend

Cadmium Dissolved Statistically significant difference Yes, concentration decreased after remediation No Trend No Trend

Cadmium Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

Calcium Dissolved Not enough data points before remediation Yes, concentration increased after remediation No Trend No Trend

Calcium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation Not enough data points Not enough data points

Copper Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

Copper Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

Iron Total Recoverable No statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

Lead Dissolved Statistically significant difference Yes, concentration decreased after remediation No Trend No Trend

Lead Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Magnesium Dissolved Statistically significant difference Yes, concentration increased after remediation Increasing No Trend

Magnesium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation Not enough data points Not enough data points

Zinc Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

Zinc Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

SW3

SW5

SW7

SW8

SW11

Table F-1: Statistical Analysis Summary

Site Parameter T-tests/Rank Sum tests before (‘00-‘09) and after (‘13-‘15) remediation

Visual difference between before (‘00-‘09) and after (‘13-‘15) remediation present

on box-whisker plots?

Mann-Kendall analysis

Average ’00, 09, ’11, ‘12, ‘13, ‘14, ‘15 After Remediation '13, '14, '15


A02277814 Stat Analysis Summary Table App F.xlsx PATTLE DELAMORE PARTNERS LTD





pH Statistically significant difference Yes, pH increased after remediation Increasing Increasing



Arsenic Dissolved Data points under the detection limit - - -

Arsenic Total Recoverable Data points under the detection limit - - -

Cadmium Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Cadmium Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Calcium Dissolved Not enough data points before remediation No Not enough data points Not enough data points

Calcium Total Recoverable Not enough data points before remediation No Not enough data points Not enough data points

Copper Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Copper Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Iron Total Recoverable No statistically significant difference No Decreasing Decreasing

Lead Dissolved Statistically significant difference No Decreasing Decreasing


Magnesium Dissolved Not enough data points before remediation No Not enough data points Not enough data points

Magnesium Total Recoverable Not enough data points before remediation No Not enough data points Not enough data points

Zinc Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

Zinc Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

pH Not enough data points before remediation Yes, pH increased after remediation Not enough data points Not enough data points



Arsenic Dissolved Data points under the detection limit - - -

Arsenic Total Recoverable Data points under the detection limit - - -

Cadmium Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Not enough data points Not enough data points

Cadmium Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Not enough data points Not enough data points

Calcium Dissolved Not enough data points before remediation Yes, concentration increased after remediation Not enough data points Not enough data points

Calcium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation Not enough data points Not enough data points

Copper Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Not enough data points Not enough data points

Copper Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Not enough data points Not enough data points

Iron Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Not enough data points Not enough data points

Lead Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Not enough data points Not enough data points

Lead Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Not enough data points Not enough data points

Magnesium Dissolved Not enough data points before remediation Yes, range of concentration increased after remediation Not enough data points Not enough data points

Magnesium Total Recoverable Not enough data points before remediation Yes, range of concentration increased after remediation Not enough data points Not enough data points

Zinc Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Not enough data points Not enough data points

Zinc Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Not enough data points Not enough data points

pH No statistically significant difference No No Trend No Trend Increasing No Trend

Sulphate No statistically significant difference No Increasing No Trend No Trend No Trend

Alkalinity No statistically significant difference No No Trend No Trend Increasing No Trend



Cadmium Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Cadmium Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Calcium Dissolved Not enough data points before remediation Yes, concentration increased after remediation Increasing No Trend Increasing No Trend

Calcium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation Increasing No Trend Increasing No Trend

Copper Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing No Trend No Trend

Copper Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Iron Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend No Trend No Trend

Lead Dissolved No statistically significant difference No No Trend No Trend No Trend No Trend

Lead Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing

Magnesium Dissolved Not enough data points before remediation Yes, concentration increased after remediation Not enough data points Not enough data points Increasing No Trend

Magnesium Total Recoverable Not enough data points before remediation Yes, concentration increased after remediation Not enough data points Not enough data points Increasing No Trend

Zinc Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing Decreasing Decreasing


pH Not enough data points before remediation No No Trend No Trend Increasing No Trend

Sulphate Not enough data points before remediation Yes, range of concentration decreased after remediation Increasing No Trend Increasing Increasing

Alkalinity Not enough data points before remediation Yes, range of concentration decreased after remediation No Trend No Trend Decreasing Decreasing



Cadmium Dissolved Not enough data points before remediation Yes, range of concentration decreased after remediation No Trend No Trend Increasing Increasing

Cadmium Total Recoverable Not enough data points before remediation Yes, range of concentration decreased after remediation No Trend No Trend Increasing No Trend

Calcium Dissolved Not enough data points before remediation No No Trend No Trend Increasing Increasing

Calcium Total Recoverable Not enough data points before remediation No No Trend No Trend Increasing Increasing

Copper Dissolved Not enough data points before remediation No Decreasing Decreasing Decreasing No Trend

Copper Total Recoverable Not enough data points before remediation No Decreasing Decreasing Decreasing No Trend

Iron Total Recoverable Data points under the detection limit - - - - -

Lead Dissolved Not enough data points before remediation Yes, range of concentration decreased after remediation No Trend No Trend Increasing Increasing

Lead Total Recoverable Not enough data points before remediation Yes, range of concentration decreased after remediation Decreasing No Trend Increasing No Trend

Magnesium Dissolved Not enough data points before remediation No No Trend No Trend Increasing Increasing

Magnesium Total Recoverable Not enough data points before remediation No No Trend No Trend Increasing Increasing

Zinc Dissolved Not enough data points before remediation Yes, range of concentration decreased after remediation No Trend No Trend Increasing No Trend

Zinc Total Recoverable Not enough data points before remediation Yes, range of concentration decreased after remediation No Trend No Trend Increasing No Trend

SW101

Table F-1: Statistical Analysis Summary

Site Parameter T-tests/Rank Sum tests before (‘00-‘09) and after (‘13-‘15) remediation

Visual difference between before (‘00-‘09) and after (‘13-‘15) remediation present


Mann-Kendall analysis

Average ’00, 09, ’11, ‘12, ‘13, ‘14, ‘15 After Remediation '13, '14, '15

SW100

SW13

SW15

P A T T L E D E L A M O R E P A R T N E R S L T D

T U I M I N E R E H A B I L I T A T I O N P R O J E C T

SW3 – Before and After Remediation

SW3Before and After Remediation (pH)

pH

6.4 6.6 6.8 7.0 7.2 7.4 7.6 7.8 8.0

Before ('00-'09)

After ('13-'15)

SW3Before and After Remediation (Sulphate)

Sulphate (g/m3)

0 10 20 30 40 50 60 70

Before ('00-'09)

After ('13-'15)



SW3Before and After Remediation (Alkalinity)

Alkalinity (g/m3 as CaCO3)

0 10 20 30 40 50 60 70 80

Before ('00-'09)

After ('13-'15)

SW3Before and After Remediation (Cadmium)

Cadmium (g/m3)

0.00 0.01 0.02 0.03 0.04 0.05

Dissolved Before ('00-'09)

Dissolved After ('13-'15)

Total Recoverable Before ('00-'09)

Total Recoverable After ('13-'15)



SW3Before and After Remediation (Calcium)

Calcium (g/m3)

5 10 15 20 25 30 35 40





SW3Before and After Remediation (Copper)

Copper (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10 0.12







SW3Before and After Remediation (Iron)

Iron (g/m3)

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4





SW3Before and After Remediation (Lead)

Lead (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16







SW3Before and After Remediation (Magnesium)

Magnesium (g/m3)

1 2 3 4 5 6 7





SW3Before and After Remediation (Zinc)

Zinc (g/m3)

0 2 4 6 8









pH

6.6 6.7 6.8 6.9 7.0 7.1 7.2 7.3 7.4

Before ('00-'09)

After ('13-'15)


Sulphate (g/m3)

0 200 400 600 800 1000 1200

Before ('00-'09)

After ('13-'15)





20 40 60 80 100 120 140 160 180

Before ('00-'09)

After ('13-'15)


Copper (g/m3)

0.0 0.1 0.2 0.3 0.4 0.5 0.6






Iron (g/m3)

0 5 10 15 20 25




Lead (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16





SW5Before and After Remediation (Arsenic)

Arsenic (g/m3)

0.000 0.005 0.010 0.015 0.020 0.025 0.030 0.035






Cadmium (g/m3)

0.00 0.05 0.10 0.15 0.20 0.25








Calcium (g/m3)

0 50 100 150 200 250 300 350 400






Magnesium (g/m3)

0 10 20 30 40 50 60








Zinc (g/m3)

0 5 10 15 20 25 30 35









pH

6.4 6.6 6.8 7.0 7.2 7.4 7.6 7.8

Before ('00-'09)

After ('13-'15)


Cadmium (g/m3)

0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07








Calcium (g/m3)

0 10 20 30 40 50 60

SW8 Dissolved Calcium ('00-'15)

SW8 Total Recoverable Calcium ('09-'15)






Copper (g/m3)

0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07

SW8 Dissolved Copper ('00-'15)

SW8 Total Recoverable Copper ('09-'15)








Iron (g/m3)

0.0 0.2 0.4 0.6 0.8 1.0

SW8 Dissolved Iron ('00-'15)

SW8 Total Recoverable Iron ('09-'15)






Lead (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10 0.12

SW8 Dissolved Lead ('00-'15)

SW8 Total Recoverable Lead ('00-'15)








Magnesium (g/m3)

0 2 4 6 8 10 12 14

SW8 Dissolved Magnesium ('00-'15)

SW8 Total Recoverable Magnesium ('09-'15)






Zinc (g/m3)

0 2 4 6 8 10

SW8 Dissolved Zinc ('00-'15)

SW8 Total Recoverable Zinc ('00-'15)









pH

6.4 6.6 6.8 7.0 7.2 7.4 7.6 7.8

Before ('00-'09)

After ('13-'15)


Calcium (g/m3)

4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0








Copper (g/m3)

0.0004 0.0006 0.0008 0.0010 0.0012 0.0014






Iron (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10








Lead (g/m3)

0.0000 0.0005 0.0010 0.0015 0.0020 0.0025






Magnesium (g/m3)

1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0








Zinc (g/m3)

0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016 0.018









pH

2 3 4 5 6 7 8

Before ('00-'09)

After ('13-'15)


Arsenic (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18








Cadmium (g/m3)

0.00 0.05 0.10 0.15 0.20 0.25






Calcium (g/m3)

10 20 30 40 50 60 70 80 90








Copper (g/m3)

0 1 2 3 4 5






Iron (g/m3)

0 20 40 60 80 100 120 140








Lead (g/m3)

0.0 0.5 1.0 1.5 2.0 2.5 3.0






Magnesium (g/m3)

0 10 20 30 40 50 60








Zinc (g/m3)

0 10 20 30 40 50









pH

6.4 6.6 6.8 7.0 7.2 7.4 7.6 7.8 8.0

Before ('00-'09)

After ('13-'15)


Cadmium (g/m3)

0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007








Calcium (g/m3)

4 6 8 10 12 14

SW8 Dissolved Calcium ('00-'15)

SW8 Total Recoverable Calcium ('00-'15)






Copper (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10 0.12

SW8 Dissolved Copper ('00-'15)

SW8 Total Recoverable Copper ('00-'15)








Iron (g/m3)

0.0 0.1 0.2 0.3 0.4 0.5 0.6

SW8 Total Recoverable Iron ('00-'15)




Lead (g/m3)

0.00 0.05 0.10 0.15 0.20 0.25

SW8 Dissolved Lead ('00-'15)

SW8 Total Recoverable Lead ('00-'15)








Magnesium (g/m3)

1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

SW8 Dissolved Magnesium ('00-'15)

SW8 Total Recoverable Magnesium ('00-'15)






Zinc (g/m3)

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4

SW8 Dissolved Zinc ('00-'15)

SW8 Total Recoverable Zinc ('00-'15)









pH

5.8 6.0 6.2 6.4 6.6 6.8 7.0 7.2

Before ('00-'09)

After ('13-'15)


Cadmium (g/m3)

0.004 0.006 0.008 0.010 0.012 0.014 0.016 0.018 0.020








Calcium (g/m3)

16 18 20 22 24 26 28 30 32 34 36






Copper (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18








Iron (g/m3)

0.0 0.2 0.4 0.6 0.8 1.0 1.2




Lead (g/m3)

0.00 0.05 0.10 0.15 0.20 0.25 0.30








Magnesium (g/m3)

6 7 8 9 10 11 12 13






Zinc (g/m3)

0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0









pH

6.0 6.2 6.4 6.6 6.8 7.0 7.2 7.4 7.6 7.8

Before ('00-'09)

After ('13-'15)


Sulphate (g/m3)

50 100 150 200 250 300 350 400 450

Before ('00-'09)

After ('13-'15)




Arsenic (g/m3)

0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007





10 20 30 40 50 60 70

Before ('00-'09)

After ('13-'15)




Cadmium (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14






Calcium (g/m3)

0 20 40 60 80 100 120 140 160








Copper (g/m3)

0.00 0.05 0.10 0.15 0.20 0.25






Iron (g/m3)

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0






Magnesium (g/m3)

2 4 6 8 10 12 14 16 18 20 22 24






Lead (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20








Zinc (g/m3)

0 2 4 6 8 10 12 14 16 18









pH

6.8 6.9 7.0 7.1 7.2 7.3 7.4 7.5 7.6

Before ('00-'09)

After ('13-'15)


Sulphate (g/m3)

0 20 40 60 80 100 120

Before ('00-'09)

After ('13-'15)





8 10 12 14 16 18 20

Before ('00-'09)

After ('13-'15)


Cadmium (g/m3)

0.00 0.02 0.04 0.06 0.08 0.10








Calcium (g/m3)

4 5 6 7 8 9 10






Copper (g/m3)

0.00 0.05 0.10 0.15 0.20








Lead (g/m3)

0.00 0.05 0.10 0.15 0.20 0.25






Magnesium (g/m3)

1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4








Zinc (g/m3)

0 2 4 6 8 10 12 14






Mann Kendall Summary_Average of the years App F.xlsx PATTLE DELAMORE PARTNERS LTD

State of Wisconsin Mann-Kendall Statistical Test Department of Natural Resources Form 4400-215 (2/2001) Remediation and Redevelopment Program Notice: This form is the DNR supplied spreadsheet referenced in Appendices A of Comm 46 and NR 746, Wis. Adm. Code. It is provided to consultants as an optional tool for groundwater contaminant trend analysis to support site closure requests under s. Comm 46.07, Comm 46.08, NR 746.07, NR 746.08, Wis. Adm. Code. Use this form or a manual method when seeking case closure under those rules. Earlier versions of this form should not be used. Instructions: Do not change formulas or other information in cells with a blue background, only cells with a yellow background are used for data entry. To use the spreadsheet, provide at least four rounds and not more than ten rounds of data that is not seasonally affected. Use consistent units. The spreadsheet contains several error checks, and a data entry error may cause "DATA ERR" or "DATE ERR" to be displayed. Dates that are not consecutive will show an error message and will not display the test results. The spreadsheet tests the data for both increasing and decreasing trends at both 80 percent and 90 percent confidence levels. If a declining trend is present at 80 percent but not at 90 percent, a site is still eligible for closure under Comm 46 and NR 746 provided that other conditions in those rules are met. If an increasing or decreasing trend is not present, an additional coefficient of variation test is used to test for stability, as proposed by Wiedemeier et al, 1999. For additional information, refer to the Interim Guidance on Natural Attenuation for Petroleum Releases, dated October 1999. Refer to the guidance for recommendations on data entry for non-detect values.

Site Name = SW3 - Average '00, '09, '11, '12, '13, '14, '15

Compound -> pH Sulphate Alkalinity Cd (Dissolved) Cd (Total) Fe (Total) Ca (Dissolved) Ca (Total) Cu (dissolved) Cu (Total) Mg (Dissolved) Mg (Total) Pb (Dissolved) Pb (Total) Zn (Dissolved) Zn (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration

Event Sampling Date (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blankNumber (most recent last) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data)

1 1/01/2000 6.767 18.917 13.833 0.005 0.005 0.422 0.004 0.013 0.001 0.017 0.568 0.571

2 1/01/2009 7.067 20.000 14.667 0.003 0.003 8.800 8.667 0.001 0.007 2.033 1.933 0.001 0.001 0.340 0.330

3 1/01/2011 6.700 108.000 18.700 0.289 0.291 1.023 19.600 20.900 0.535 0.777 6.267 6.033 0.049 0.170 40.700 37.533

4 1/01/2012 6.750 90.000 29.250 0.114 0.048 1.048 18.250 24.000 0.242 0.411 4.850 4.967 0.019 0.151 22.825 18.867

5 1/01/2013 6.800 36.333 29.333 0.026 0.026 0.357 17.400 17.950 0.049 0.078 2.910 3.063 0.040 0.118 4.100 3.833

6 1/01/2014 7.133 41.000 53.733 0.022 0.022 0.442 24.933 25.267 0.031 0.069 4.660 4.633 0.026 0.102 4.547 4.427

7 1/01/2015 7.333 42.667 43.667 0.024 0.025 0.403 24.133 25.667 0.036 0.071 4.333 4.567 0.029 0.103 4.267 3.967

89

10

Mann Kendall Statistic (S) = 11.0 7.0 19.0 1.0 1.0 -3.0 7.0 11.0 1.0 1.0 -1.0 -1.0 7.0 1.0 3.0 3.0Number of Rounds (n) = 7 7 7 7 7 6 6 6 7 7 6 6 7 7 7 7

Average = 6.94 50.99 29.03 0.07 0.06 0.62 18.85 20.41 0.13 0.20 4.18 4.20 0.02 0.09 11.05 9.93Standard Deviation = 0.242 34.508 15.103 0.104 0.103 0.326 5.813 6.455 0.198 0.288 1.502 1.463 0.018 0.064 15.160 13.691

Coefficient of Variation(CV)= 0.035 0.677 0.520 1.508 1.714 0.530 0.308 0.316 1.541 1.415 0.360 0.348 0.778 0.674 1.372 1.378

Error Check, Blank if No Errors Detected

Trend ≥ 80% Confidence Level INCREASING INCREASING INCREASING No Trend No Trend No Trend INCREASING INCREASING No Trend No Trend No Trend No Trend INCREASING No Trend No Trend No TrendTrend ≥ 90% Confidence Level INCREASING No Trend INCREASING No Trend No Trend No Trend No Trend INCREASING No Trend No Trend No Trend No Trend No Trend No Trend No Trend No Trend

Stability Test, If No Trend Exists at CV > 1 CV > 1 CV <= 1 CV > 1 CV > 1 CV <= 1 CV <= 1 CV <= 1 CV > 1 CV > 1 80% Confidence Level NA NA NA NON-STABLE NON-STABLE STABLE NA NA NON-STABLE NON-STABLE STABLE STABLE NA STABLE NON-STABLE NON-STABLE

Data Entry By = DK Date = 3-Dec-15 Checked By =


Compound -> pH Alkalinity Sulphate As (Dissolved) As (Total) Cd (Dissolved) Cd (Total) Ca (Dissolved) Ca (Total) Fe (Total) Mg (Dissolved) Mg (Total) Pb (Total) Zn (Dissolved) Zn (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration

Event Sampling Date (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blankNumber (most recent last) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data)

1 1/01/2000 7.150 57.000 272.280 0.001 0.005 0.119 0.133 61.500 3.452 11.900 0.067 18.388 20.459

2 1/01/2009 7.200 53.250 245.000 0.001 0.005 0.163 0.167 76.000 79.000 4.433 16.333 17.000 0.100 24.000 24.667

3 1/01/2011 7.533 111.333 656.667 0.002 0.002 0.048 0.049 233.333 236.667 2.283 34.000 34.000 0.003 19.367 19.633

4 1/01/2012 6.975 115.250 1157.500 0.010 0.015 0.026 0.024 380.000 380.000 14.275 52.500 52.000 0.002 15.733 15.850

5 1/01/2013 6.733 121.000 1113.333 0.025 0.029 0.011 0.012 356.667 360.000 19.867 49.000 51.500 0.003 9.233 10.133

6 1/01/2014 6.900 155.000 930.000 0.021 0.032 0.007 0.007 315.000 310.000 16.950 44.000 43.000 0.001 7.800 7.800

7 1/01/2015 7.100 129.000 663.333 0.017 0.025 0.003 0.003 250.000 260.000 10.733 32.000 35.500 0.001 4.467 4.900

89

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Mann Kendall Statistic (S) = -7.0 17.0 7.0 15.0 13.0 -19.0 -19.0 9.0 3.0 9.0 7.0 3.0 -15.0 -17.0 -19.0Number of Rounds (n) = 7 7 7 7 7 7 7 7 6 7 7 6 7 7 7

Average = 7.08 105.98 719.73 0.01 0.02 0.05 0.06 238.93 270.94 10.28 34.25 38.83 0.03 14.14 14.78Standard Deviation = 0.255 37.533 370.477 0.010 0.012 0.062 0.066 127.626 109.075 7.039 15.660 13.133 0.041 7.106 7.333

Coefficient of Variation(CV)= 0.036 0.354 0.515 0.911 0.783 1.163 1.177 0.534 0.403 0.684 0.457 0.338 1.623 0.503 0.496


Trend ≥ 80% Confidence Level DECREASING INCREASING INCREASING INCREASING INCREASING DECREASING DECREASING INCREASING No Trend INCREASING INCREASING No Trend DECREASING DECREASING DECREASINGTrend ≥ 90% Confidence Level No Trend INCREASING No Trend INCREASING INCREASING DECREASING DECREASING No Trend No Trend No Trend No Trend No Trend DECREASING DECREASING DECREASING

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 80% Confidence Level NA NA NA NA NA NA NA NA STABLE NA NA STABLE NA NA NA





Compound -> pH Cd (Dissolved) Cd (Total) Ca (Dissolved) Ca (Total) Cu (Dissolved) Cu (Total) Pb (Dissolved) Pb (Total) Mg (Dissolved) Mg (Total) Zn (Dissolved) Zn (Total) Fe (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration

Event Sampling Date (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blankNumber (most recent last) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data)

1 1/01/2000 6.875 0.044 0.045 0.007 0.035 0.006 0.032 6.241 6.406 0.395

2 1/01/2009 7.233 0.041 0.042 30.000 30.667 0.017 0.049 0.010 0.056 8.833 9.200 5.767 6.100 0.457

3 1/01/2011 7.100 0.035 0.035 25.333 25.567 0.018 0.030 0.014 0.033 8.267 8.400 5.100 4.833 0.071

4 1/01/2012 6.933 0.026 0.027 46.333 45.667 0.008 0.014 0.005 0.016 12.067 12.000 3.767 3.800 0.060

5 1/01/2013 7.033 0.014 0.014 31.767 32.400 0.005 0.009 0.006 0.017 8.533 8.667 2.140 2.103 0.237

6 1/01/2014 7.267 0.012 0.012 37.000 38.000 0.005 0.007 0.002 0.010 10.400 10.367 1.757 1.757 0.087

7 1/01/2015 7.200 0.012 0.012 37.667 39.667 0.004 0.005 0.002 0.005 10.533 11.167 1.750 1.763 0.027

89

10

Mann Kendall Statistic (S) = 7.0 -19.0 -19.0 7.0 7.0 -13.0 -19.0 -13.0 -15.0 5.0 5.0 -21.0 -19.0 -11.0Number of Rounds (n) = 7 7 7 6 6 7 7 7 7 6 6 7 7 7

Average = 7.09 0.03 0.03 34.68 35.33 0.01 0.02 0.01 0.02 9.77 9.97 3.79 3.82 0.19Standard Deviation = 0.152 0.014 0.014 7.319 7.189 0.006 0.017 0.004 0.018 1.478 1.447 1.943 2.014 0.175

Coefficient of Variation(CV)= 0.021 0.533 0.533 0.211 0.204 0.628 0.794 0.653 0.727 0.151 0.145 0.513 0.527 0.918


Trend ≥ 80% Confidence Level INCREASING DECREASING DECREASING INCREASING INCREASING DECREASING DECREASING DECREASING DECREASING No Trend No Trend DECREASING DECREASING DECREASINGTrend ≥ 90% Confidence Level No Trend DECREASING DECREASING No Trend No Trend DECREASING DECREASING DECREASING DECREASING No Trend No Trend DECREASING DECREASING DECREASING

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 80% Confidence Level NA NA NA NA NA NA NA NA NA STABLE STABLE NA NA NA



Compound -> pH Ca (Dissolved) Ca (Total) Cu (Dissolved) Cu (Total) Pb (Dissolved) Pb (Total) Mg (Dissolved) Mg (Total) Zn (Dissolved) Zn (Total) Fe (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration

Event Sampling Date (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blankNumber (most recent last) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data)

1 1/01/2000 6.900 5.070 0.0007333 0.001 0.0004667 0.001 1.890 0.016 0.004 0.06

2 1/01/2009 7.567 6.033 6.133 0.00063 0.001 0.000 2.300 2.267 0.002 0.002 0.0376667

3 1/01/2011 7.467 5.800 6.033 0.0008 0.001 0.00027 0.000 2.133 2.187 0.002 0.003 0.094

4 1/01/2012 1058589.300 5.650 5.850 0.0006 0.001 0.000 2.150 2.250 0.005 0.056

5 1/01/2013 1194239.733 5.500 5.633 0.001 0.00014 0.000 1.980 2.043 0.001 0.002 0.076

6 1/01/2014 7.467 6.167 6.200 0.001 0.001 0.00014 0.000 2.190 2.200 0.002 0.002 0.054

7 1/01/2015 7.467 6.400 6.800 0.0005 0.001 0.00012 0.000 2.267 2.500 0.002 0.001 0.056

89

10

Mann Kendall Statistic (S) = 4.0 9.0 3.0 -3.0 -7.0 -9.0 -17.0 7.0 1.0 -5.0 -9.0 -2.0Number of Rounds (n) = 7 7 6 6 7 5 7 7 6 6 7 7

Average = 321837.99 5.80 6.11 0.00 0.00 0.00 0.00 2.13 2.24 0.00 0.00 0.06Standard Deviation = 551023.597 0.446 0.396 0.000 0.000 0.000 0.000 0.148 0.149 0.006 0.001 0.018

Coefficient of Variation(CV)= 1.712 0.077 0.065 0.248 0.154 0.645 0.626 0.070 0.067 1.433 0.453 0.291


Trend ≥ 80% Confidence Level No Trend INCREASING No Trend No Trend DECREASING DECREASING DECREASING INCREASING No Trend No Trend DECREASING No TrendTrend ≥ 90% Confidence Level No Trend No Trend No Trend No Trend No Trend DECREASING DECREASING No Trend No Trend No Trend No Trend No Trend

Stability Test, If No Trend Exists at CV > 1 CV <= 1 CV <= 1 CV <= 1 CV > 1 CV <= 1 80% Confidence Level NON-STABLE NA STABLE STABLE NA NA NA NA STABLE NON-STABLE NA STABLE




Site Name = SW11 - Average '00, '09, '13, '14, '15

Compound -> pH As (Dissolved) As (Total) Cd (Dissolved) Cd (Total) Fe (Total) Ca (Dissolved) Cu (Dissolved) Cu (Total) Pb (Dissolved) Pb (Total) Zn (Dissolved) Zn (Dissolved) Mg (Dissolved)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration


1 1/01/2000 3.675 0.034 0.048 0.112 0.108 44.414 21.100 1.013 1.074 1.087 1.152 26.426 26.609 13.235

2 1/01/2009 3.233 0.019 0.022 0.123 0.120 22.333 25.000 1.210 1.197 0.823 0.850 21.333 21.333 14

3 1/01/2013 6.567 0.012 0.024 0.025 0.049 9.133 69.333 0.048 0.325 0.004 0.226 6.100 6.500 14.26667

4 1/01/2014 6.967 0.017 0.024 0.016 0.024 6.717 62.000 0.005 0.085 0.006 0.140 4.563 4.530 17.2

5 1/01/2015 6.333 0.018 0.032 0.037 0.039 9.667 58.333 0.011 0.164 0.014 0.175 6.200 6.450 14.05

6789

10

Mann Kendall Statistic (S) = 4.0 -4.0 2.0 -4.0 -6.0 -6.0 4.0 -6.0 -6.0 -4.0 -8.0 -6.0 -8.0 6.0Number of Rounds (n) = 5 5 5 5 5 5 5 5 5 5 5 5 5 5




Trend ≥ 80% Confidence Level No Trend No Trend No Trend No Trend DECREASING DECREASING No Trend DECREASING DECREASING No Trend DECREASING DECREASING DECREASING INCREASINGTrend ≥ 90% Confidence Level No Trend No Trend No Trend No Trend No Trend No Trend No Trend No Trend No Trend No Trend DECREASING No Trend DECREASING No Trend

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV > 1 80% Confidence Level STABLE STABLE STABLE STABLE NA NA STABLE NA NA NON-STABLE NA NA NA NA



Compound -> pH Cd (Dissolved) Cd (Total) Cu (Dissolved) Cu (Total) Fe (Total) Pb (Dissolved) Pb (Total) Zn (Dissolved) Zn (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration

Event Sampling Date (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blankNumber (most recent last) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data)

1 1/01/2000 6.775 0.004 0.004 0.006 0.028 0.696 0.002 0.045 0.738 0.821

2 1/01/2009 6.633 0.005 0.005 0.009 0.027 0.207 0.004 0.024 0.773 0.833

3 1/01/2013 7.167 0.001 0.001 0.002 0.004 0.174 0.001 0.006 0.133 0.143

4 1/01/2014 7.433 0.000 0.000 0.001 0.001 0.041 0.000 0.001 0.070 0.069

5 1/01/2015 7.500 0.000 0.000 0.001 0.001 0.029 0.000 0.000 0.071 0.076

6789

10

Mann Kendall Statistic (S) = 8.0 -8.0 -8.0 -8.0 -10.0 -10.0 -8.0 -10.0 -6.0 -6.0Number of Rounds (n) = 5 5 5 5 5 5 5 5 5 5

Average = 7.10 0.00 0.00 0.00 0.01 0.23 0.00 0.02 0.36 0.39Standard Deviation = 0.387 0.002 0.002 0.003 0.014 0.273 0.002 0.019 0.365 0.402

Coefficient of Variation(CV)= 0.054 0.992 0.987 0.920 1.120 1.188 1.080 1.260 1.023 1.034


Trend ≥ 80% Confidence Level INCREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASINGTrend ≥ 90% Confidence Level INCREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING No Trend No Trend

Stability Test, If No Trend Exists at 80% Confidence Level NA NA NA NA NA NA NA NA NA NA





Compound -> pH Alkalinity Sulphate Cd (Dissolved) Cd (Total) Ca (Dissolved) Ca (Total) Cu (Dissolved) Cu (Total) Pb (Dissolved) Pb (Total) Zn (Dissolved) Zn (Total) Fe (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration


1 1/01/2000 6.933 38.286 186.000 0.089 0.094 0.010 0.116 0.005 0.077 11.975 13.501 2.013

2 1/01/2009 7.093 37.666 180.000 0.088 0.097 49.667 50.667 0.016 0.130 0.004 0.061 9.251 12.333 13.667

3 1/01/2011 6.967 22.467 141.667 0.076 0.076 41.667 42.000 0.048 0.071 0.031 0.054 11.033 10.300 0.103

4 1/01/2012 7.067 32.333 323.333 0.042 0.044 101.333 98.000 0.008 0.038 0.002 0.057 6.933 7.467 2.080

5 1/01/2013 7.033 32.167 210.000 0.023 0.023 70.000 71.333 0.009 0.017 0.011 0.033 3.867 3.933 1.073

6 1/01/2014 7.400 39.667 256.000 0.014 0.015 86.000 88.333 0.003 0.010 0.002 0.022 2.637 2.947 0.983

7 1/01/2015 7.033 43.333 247.333 0.015 0.015 86.667 90.667 0.003 0.007 0.003 0.017 2.633 2.667 0.353

89

10

Mann Kendall Statistic (S) = 6.0 5.0 7.0 -19.0 -17.0 7.0 7.0 -11.0 -19.0 -6.0 -19.0 -19.0 -21.0 -9.0Number of Rounds (n) = 7 7 7 7 7 6 6 7 7 7 7 7 7 7




Trend ≥ 80% Confidence Level No Trend No Trend INCREASING DECREASING DECREASING INCREASING INCREASING DECREASING DECREASING No Trend DECREASING DECREASING DECREASING DECREASINGTrend ≥ 90% Confidence Level No Trend No Trend No Trend DECREASING DECREASING No Trend No Trend DECREASING DECREASING No Trend DECREASING DECREASING DECREASING No Trend

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 80% Confidence Level STABLE STABLE NA NA NA NA NA NA NA NA NA NA NA NA



Compound -> pH Alkalinity Sulphate Cd (Dissolved) Cd (Total) Ca (Dissolved) Ca (Total) Cu (Dissolved) Cu (Total) Pb (Dissolved) Pb (Total) Mg (Dissolved) Mg (Total) Zn (Dissolved) Zn (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration


1 1/01/2000 7.2 11.950 44.500 0.032 0.034 7.067 7.000 0.015 0.052 0.144 0.176 2.600 2.600 4.275 4.500

2 1/01/2009 7.1 11.000 26.833 0.019 0.018 7.067 7.000 0.010 0.010 0.209 0.211 2.600 2.467 2.277 2.073

3 1/01/2011 7.0 11.667 23.000 0.014 0.014 6.900 6.867 0.008 0.008 0.163 0.170 2.400 2.367 1.697 1.650

4 1/01/2012 7.0 14.133 19.667 0.016 0.016 6.000 6.133 0.007 0.007 0.148 0.156 2.253 2.293 1.907 1.737

5 1/01/2013 7.2 12.567 23.167 0.016 0.015 7.033 7.267 0.006 0.007 0.164 0.174 2.527 2.567 1.760 1.690

6 1/01/2014 7.2 10.467 25.667 0.017 0.017 7.633 8.067 0.005 0.006 0.167 0.165 2.733 2.933 1.980 1.917

7 1/01/2015

89

10

Mann Kendall Statistic (S) = 4.0 -1.0 -5.0 -5.0 -5.0 0.0 4.0 -15.0 -15.0 5.0 -7.0 0.0 1.0 -5.0 -5.0Number of Rounds (n) = 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6




Trend ≥ 80% Confidence Level No Trend No Trend No Trend No Trend No Trend No Trend No Trend DECREASING DECREASING No Trend DECREASING No Trend No Trend No Trend No TrendTrend ≥ 90% Confidence Level No Trend No Trend No Trend No Trend No Trend No Trend No Trend DECREASING DECREASING No Trend No Trend No Trend No Trend No Trend No Trend

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 80% Confidence Level STABLE STABLE STABLE STABLE STABLE STABLE STABLE NA NA STABLE NA STABLE STABLE STABLE STABLE



Mann Kendall Summary_Last 3 years App F.xlsx PATTLE DELAMORE PARTNERS LTD


Site Name = SW3 - '13, '14, '15

Compound -> pH Sulphate Alkalinity Cd (Dissolved) Cd (Total) Fe (Total) Cu (Dissolved) Cu (Total) Mg (Dissolved) Mg (Total) Pb (Dissolved) Pb (Total) Zn (Dissolved) Zn (Total) Ca (Dissolved Ca (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration


1 26/09/2013 6.700 24.000 14.000 0.032 0.030 0.210 0.080 0.104 1.830 1.890 0.055 0.096 4.500 4.200 8.800 8.9002 17/10/2013 7.100 53.000 46.000 0.027 0.029 0.600 0.031 0.072 4.300 4.700 0.018 0.135 4.900 4.400 26.000 27.0003 13/11/2013 6.600 32.000 28.000 0.020 0.020 0.260 0.036 0.058 2.600 2.600 0.046 0.123 2.900 2.900 14.500 14.4004 14/09/2014 6.700 22.000 17.200 0.011 0.012 0.166 0.022 0.032 1.880 2.000 0.057 0.095 1.740 1.680 9.800 9.8005 22/10/2014 7.600 60.000 71.000 0.042 0.040 0.660 0.036 0.093 6.400 6.300 0.012 0.118 6.700 6.800 34.000 35.0006 13/11/2014 7.100 41.000 73.000 0.033 0.033 0.500 0.034 0.081 5.700 5.600 0.010 0.092 5.200 4.800 31.000 31.0007 23/09/2015 7.000 34.000 30.000 0.021 0.023 0.320 0.035 0.061 3.300 3.600 0.044 0.115 3.400 3.600 17.400 20.0008 15/10/2015 7.500 41.000 37.000 0.027 0.027 0.400 0.040 0.070 3.800 4.100 0.034 0.114 4.300 4.200 21 229 11/11/2015 7.500 53.000 64.000 0.036 0.035 0.490 0.034 0.082 5.900 6.000 0.008 0.081 5.100 4.700 34 35

10

Mann Kendall Statistic (S) = 15.0 10.0 14.0 5.0 4.0 6.0 -2.0 -2.0 14.0 14.0 -16.0 -16.0 4.0 5.0 15.0 15.0Number of Rounds (n) = 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9




Trend ≥ 80% Confidence Level INCREASING INCREASING INCREASING No Trend No Trend No Trend No Trend No Trend INCREASING INCREASING DECREASING DECREASING No Trend No Trend INCREASING INCREASINGTrend ≥ 90% Confidence Level INCREASING No Trend INCREASING No Trend No Trend No Trend No Trend No Trend INCREASING INCREASING DECREASING DECREASING No Trend No Trend INCREASING INCREASING

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 80% Confidence Level NA NA NA STABLE STABLE STABLE STABLE STABLE NA NA NA NA STABLE STABLE NA NA


Site Name = SW5 - '13, '14, '15

Compound -> pH Sulphate Alkalinity As (Dissolved) As (Total) Cd (Dissolved) Cd (Total) Ca (Dissolved) Ca (Total) Mg (Dissolved) Mg (Total) Pb (Total) Zn (Dissolved) Zn (Total) Fe (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration


1 26/09/2013 6.700 1060.000 1060.000 0.028 0.030 0.010 0.011 350.000 350.000 45.000 40.000 0.003 9.300 10.700 18.8002 17/10/2013 6.800 1150.000 1150.000 0.025 0.027 0.011 0.012 370.000 370.000 51.000 53.000 0.003 9.400 9.900 19.8003 13/11/2013 6.700 1130.000 1130.000 0.023 0.029 0.012 0.013 350.000 360.000 47.000 50.000 0.002 9.000 9.800 21.0004 22/10/2014 6.900 1020.000 1020.000 0.020 0.031 0.007 0.007 310.000 320.000 47.000 45.000 0.000 7.800 7.800 17.1005 13/11/2014 6.900 840.000 840.000 0.021 0.032 0.006 0.007 320.000 300.000 44.000 41.000 0.001 7.100 7.000 16.8006 23/09/2015 6.900 680.000 680.000 0.016 0.021 0.003 0.003 250.000 270.000 35.000 37.000 0.001 4.300 4.900 10.1007 15/10/2015 7.100 660.000 660.000 0.018 0.027 0.003 0.004 250.000 250.000 33.000 32.000 0.001 4.700 5.100 12.3008 11/11/2015 7.300 650.000 650.000 0.018 0.026 0.003 0.004 250.000 260.000 29.000 34.000 0.002 4.400 4.700 9.8009

10

Mann Kendall Statistic (S) = 22.0 -24.0 -24.0 -22.0 -7.0 -18.0 -17.0 -20.0 -22.0 -21.0 -18.0 -8.0 -22.0 -26.0 -20.0Number of Rounds (n) = 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8




Trend ≥ 80% Confidence Level INCREASING DECREASING DECREASING DECREASING No Trend DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASINGTrend ≥ 90% Confidence Level INCREASING DECREASING DECREASING DECREASING No Trend DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING No Trend DECREASING DECREASING DECREASING

Stability Test, If No Trend Exists at CV <= 1 80% Confidence Level NA NA NA NA STABLE NA NA NA NA NA NA NA NA NA NA NA




Site Name = SW7 - '13, '14, '15

Compound -> pH Cd (Dissolved) Cd (Total) Ca (Dissolved) Ca (Total) Cu (Dissolved) Cu (Total) Mg (Dissolved) Mg (Total) Pb (Dissolved) Pb (Total) Zn (Dissolved) Zn (Total) Fe (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration


1 26/09/2013 7.000 0.012 0.011 14.300 14.200 0.008 0.014 4.800 4.700 0.014 0.034 1.720 1.710 0.2002 17/10/2013 7.100 0.015 0.016 42.000 43.000 0.003 0.006 11.200 11.200 0.001 0.011 2.400 2.300 0.4603 12/11/2013 7.000 0.016 0.016 39.000 40.000 0.005 0.006 9.600 10.100 0.003 0.006 2.300 2.300 0.0504 14/09/2014 7.500 0.008 0.009 21.000 21.000 0.004 0.007 6.600 6.600 0.004 0.013 1.290 1.300 0.0875 22/10/2014 7.300 0.014 0.014 46.000 48.000 0.004 0.005 12.600 12.900 0.002 0.004 1.980 1.990 0.0326 13/11/2014 7.000 0.013 0.013 44.000 45.000 0.007 0.010 12.000 11.600 0.002 0.014 2.000 1.980 0.1427 23/09/2015 6.600 0.010 0.012 28.000 35.000 0.004 0.007 8.900 10.200 0.003 0.010 1.540 1.810 0.0608 15/10/2015 7.600 0.012 0.011 38.000 38.000 0.004 0.004 10.700 11.000 0.002 0.003 1.760 1.670 0.0279 11/11/2015 7.400 0.014 0.014 47.000 46.000 0.003 0.004 12.000 12.300 0.001 0.002 1.950 1.810

10

Mann Kendall Statistic (S) = 7.0 -6.0 -4.0 12.0 10.0 -13.0 -16.0 11.0 14.0 -11.0 -20.0 -6.0 -10.0 -14.0Number of Rounds (n) = 9 9 9 9 9 9 9 9 9 9 9 9 9 8




Trend ≥ 80% Confidence Level No Trend No Trend No Trend INCREASING INCREASING DECREASING DECREASING INCREASING INCREASING DECREASING DECREASING No Trend DECREASING DECREASINGTrend ≥ 90% Confidence Level No Trend No Trend No Trend No Trend No Trend No Trend DECREASING No Trend INCREASING No Trend DECREASING No Trend No Trend DECREASING

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 CV <= 1 CV <= 1 80% Confidence Level STABLE STABLE STABLE NA NA NA NA NA NA NA NA STABLE NA NA


Site Name = SW8 - '13, '14, '15

Compound -> pH Ca (Dissolved) Ca (Total) Mg (Dissolved) Mg (Total) Pb (Total) Zn (Dissolved) Zn (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration

Event Sampling Date (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blankNumber (most recent last) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data)

1 26/09/2013 7.300 5.700 5.900 45.000 50.000 0.003 9.300 10.7002 17/10/2013 7.300 6.400 6.400 51.000 53.000 0.003 9.400 9.9003 13/11/2013 7.500 5.300 5.300 47.000 50.000 0.001 9.000 9.8004 22/10/2014 7.500 7.100 7.300 47.000 45.000 0.000 7.800 7.8005 13/11/2014 7.400 6.100 6.000 44.000 41.000 0.001 7.100 7.0006 23/09/2015 7.600 5.200 6.200 35.000 37.000 0.001 4.300 4.9007 15/10/2015 7.100 6.300 6.500 33.000 32.000 0.001 4.700 5.1008 11/11/2015 7.700 7.700 7.700 29.000 34.000 0.002 4.400 4.7009

10

Mann Kendall Statistic (S) = 10.0 6.0 14.0 -21.0 -23.0 -8.0 -22.0 -26.0Number of Rounds (n) = 8 8 8 8 8 8 8 8

Average = 7.43 6.23 6.41 41.38 42.75 0.00 7.00 7.49Standard Deviation = 0.191 0.860 0.772 7.927 7.960 0.001 2.237 2.449

Coefficient of Variation(CV)= 0.026 0.138 0.120 0.192 0.186 0.668 0.320 0.327


Trend ≥ 80% Confidence Level INCREASING No Trend INCREASING DECREASING DECREASING DECREASING DECREASING DECREASINGTrend ≥ 90% Confidence Level No Trend No Trend INCREASING DECREASING DECREASING No Trend DECREASING DECREASING

Stability Test, If No Trend Exists at CV <= 1 80% Confidence Level NA STABLE NA NA NA NA NA NA




Site Name = SW100 - '13, '14, '15

Compound -> pH Sulphate Alkalinity Cd (Dissolved) Cd (Total) Ca (Dissolved) Ca (Total) Cu (Dissolved) Cu (Total) Mg (Dissolved) Mg (Total) Pb (Dissolved) Pb (Total) Zn (Dissolved) Zn (Total) Fe (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration


1 26/09/2013 6.700 80.000 13.500 0.024 0.023 24.000 24.000 0.022 0.031 4.800 4.900 0.030 0.048 3.800 3.700 0.3002 17/10/2013 7.200 310.000 46.000 0.021 0.023 102.000 107.000 0.002 0.009 16.500 17.300 0.001 0.026 4.200 4.400 2.2003 13/11/2013 7.200 240.000 37.000 0.023 0.023 84.000 83.000 0.004 0.011 13.400 13.400 0.003 0.024 3.600 3.700 0.7004 14/09/2014 7.200 108.000 24.000 0.010 0.010 36.000 36.000 0.004 0.011 7.100 7.100 0.004 0.021 1.710 1.740 0.4605 22/10/2014 7.600 390.000 54.000 0.019 0.020 132.000 137.000 0.002 0.010 22.000 22.000 0.001 0.027 3.300 4.100 1.6006 13/11/2014 7.400 270.000 41.000 0.015 0.015 90.000 92.000 0.002 0.008 15.400 14.900 0.001 0.018 2.900 3.000 0.9007 23/09/2015 7.300 172.000 34.000 0.014 0.015 61.000 70.000 0.004 0.008 11.200 11.900 0.003 0.017 2.400 2.600 0.3008 15/10/2015 6.200 240.000 44.000 0.015 0.014 85.000 88.000 0.003 0.006 14.200 14.300 0.002 0.016 2.600 2.600 0.3609 11/11/2015 7.600 330.000 52.000 0.017 0.017 114.000 114.000 0.003 0.006 17.200 18.400 0.003 0.017 2.900 2.800 0.400

10

Mann Kendall Statistic (S) = 12.0 9.0 12.0 -16.0 -17.0 10.0 10.0 -4.0 -24.0 10.0 10.0 2.0 -27.0 -17.0 -14.0 -7.0Number of Rounds (n) = 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9




Trend ≥ 80% Confidence Level INCREASING No Trend INCREASING DECREASING DECREASING INCREASING INCREASING No Trend DECREASING INCREASING INCREASING No Trend DECREASING DECREASING DECREASING No TrendTrend ≥ 90% Confidence Level No Trend No Trend No Trend DECREASING DECREASING No Trend No Trend No Trend DECREASING No Trend No Trend No Trend DECREASING DECREASING DECREASING No Trend

Stability Test, If No Trend Exists at CV <= 1 CV > 1 CV > 1 CV <= 1 80% Confidence Level NA STABLE NA NA NA NA NA NON-STABLE NA NA NA NON-STABLE NA NA NA STABLE


Site Name = SW101 - '13, '14, '15

Compound -> pH Sulphate Alkalinity Cd (Dissolved) Cd (Total) Ca (Dissolved) Ca (Total) Cu (Dissolved) Cu (Total) Mg (Dissolved) Mg (Total) Pb (Dissolved) Pb (Total) Zn (Dissolved) Zn (Total)Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration Concentration


1 26/09/2013 6.900 14.000 12.600 0.015 0.013 4.500 4.600 0.009 0.010 1.760 1.780 0.127 0.142 1.650 1.5702 17/10/2013 6.900 23.000 12.600 0.017 0.018 6.700 7.100 0.006 0.006 2.500 2.600 0.161 0.170 2.200 1.9303 13/11/2013 7.200 22.000 17.200 0.016 0.016 6.800 6.700 0.005 0.005 2.500 2.500 0.155 0.157 1.870 1.7104 22/10/2014 7.000 15.500 13.500 0.013 0.013 5.300 5.300 0.006 0.006 1.880 2.100 0.135 0.138 1.450 1.3605 13/11/2014 7.300 29.000 13.400 0.017 0.016 8.400 8.800 0.005 0.006 3.000 2.900 0.168 0.186 1.830 1.8006 23/09/2015 7.300 25.000 10.800 0.017 0.017 7.400 7.700 0.008 0.008 2.700 2.700 0.190 0.199 2.000 1.9107 15/10/2015 7.000 22.000 10.200 0.017 0.018 6.500 7.600 0.006 0.007 2.500 2.800 0.141 0.156 1.940 2.1008 11/11/2015 6.900 25.000 10.600 0.017 0.015 7.600 7.700 0.005 0.005 2.600 2.800 0.187 0.161 2.000 1.8309 7.500 30.000 10.600 0.018 0.018 8.800 8.900 0.005 0.005 3.100 3.200 0.173 0.178 2.000 1.820

10

Mann Kendall Statistic (S) = 13.0 18.0 -18.0 15.0 10.0 20.0 21.0 -13.0 -12.0 19.0 23.0 16.0 10.0 11.0 10.0Number of Rounds (n) = 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9




Trend ≥ 80% Confidence Level INCREASING INCREASING DECREASING INCREASING INCREASING INCREASING INCREASING DECREASING DECREASING INCREASING INCREASING INCREASING INCREASING INCREASING INCREASINGTrend ≥ 90% Confidence Level No Trend INCREASING DECREASING INCREASING No Trend INCREASING INCREASING No Trend No Trend INCREASING INCREASING INCREASING No Trend No Trend No Trend

Stability Test, If No Trend Exists at 80% Confidence Level NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA




SW3 – Before and After Remediation Statistical Analysis • t-test if dataset passes the normality test and passes the equal variance test • Mann-Whitney Rank Sum Test if dataset fails the normality test (P < 0.050) and fails the equal

variance test (P < 0.050) pH

t-test Monday, November 30, 2015, 6:53:26 p.m. Normality Test: Passed (P = 0.158) Equal Variance test: Passed (P = 0.445) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 6 0 6.917 0.454 0.185 After ('13-'15) 9 0 7.089 0.379 0.126 Difference -0.172 t = -0.798 with 13 degrees of freedom (P = 0.439) 95 percent confidence interval for difference of means: -0.638 to 0.294 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.439).

Sulphate

2000-2009 Before remediation

2013-2015 After remediation

27.4 24.0 15.9 53.0 14.2 32.0 26.4 22.0 17.6 60.0 12.0 41.0 20.0 34.0 12.0 41.0 28.0 53.0

Mann-Whitney Rank Sum Test Monday, November 30, 2015, 6:56:57 p.m. Group N Missing Median 25% 75% Before ('00-'09) 9 0 17.600 13.100 26.900 After ('13-'15) 9 0 41.000 28.000 53.000 Mann-Whitney U Statistic 6.000 T = 51.000 n(small)= 9 n(big)= 9 (P = 0.003) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.003).



7.0 6.7 6.6 7.1 6.7 6.6 6.7 6.7 7.8 7.6 6.7 7.1

7.0 7.5 7.5



Alkalinity



23.0 14.0 13.0 46.0 11.0 28.0 11.0 17.2 17.0 71.0 8.0 73.0

17.0 30.0 11.0 37.0 16.0 64.0

Mann-Whitney Rank Sum Test Monday, November 30, 2015, 7:01:46 p.m. Group N Missing Median 25% 75% Before ('00-'09) 9 0 13.000 11.000 17.000 After ('13-'15) 9 0 37.000 22.600 67.500 Mann-Whitney U Statistic 5.000 T = 50.000 n(small)= 9 n(big)= 9 (P = 0.002) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.002).

Cadmium Dissolved



0.0103 0.0320 0.0041 0.0270 0.0024 0.0200 0.0050 0.0112 0.0030 0.0420 0.0025 0.0330 0.0036 0.0210 0.0016 0.0270 0.0038 0.0360

Mann-Whitney Rank Sum Test Monday, November 30, 2015, 7:05:05 p.m. Group N Missing Median 25% 75% Before ('00-'09) 9 0 0.00360 0.00244 0.00455 After ('13-'15) 9 0 0.0270 0.0205 0.0345 Mann-Whitney U Statistic 5.000 T = 45.000 n(small)= 9 n(big)= 9 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001).



Cadmium Total Recoverable



0.0106 0.0300 0.0042 0.0290 0.0031 0.0200 0.0050 0.0116 0.0040 0.0400 0.0025 0.0330 0.0038 0.0230 0.0015 0.0270 0.0040 0.0350


Copper Dissolved



0.0059 0.0800 0.0052 0.0310 0.0043 0.0360 0.0040 0.0220 0.0010 0.0360 0.0009 0.0340 0.0019 0.0350 0.0010 0.0400 0.0013 0.0340




Copper Total Recoverable



0.0115 0.1040 0.0120 0.0720 0.0124 0.0580 0.0040 0.0320 0.0380 0.0930 0.0011 0.0810 0.0029 0.0610 0.0012 0.0700 0.0160 0.0820

t-test Monday, November 30, 2015, 7:11:58 p.m. Normality Test: Passed (P = 0.351) Equal Variance test: Passed (P = 0.127) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 9 0 0.0110 0.0115 0.00385 After ('13-'15) 9 0 0.0726 0.0211 0.00704 Difference -0.0615 t = -7.675 with 16 degrees of freedom (P = <0.001) 95 percent two-tailed confidence interval for difference of means: -0.0785 to -0.0445 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).

Iron Dissolved



0.0160 0.0400 0.0160 0.0300 0.0045 0.0500

0.0500 0.0300

t-test Monday, November 30, 2015, 7:22:06 p.m. Normality Test: Passed (P = 0.164) Equal Variance test: Passed (P = 1.000) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 3 0 0.0122 0.00666 0.00385 After ('13-'15) 5 0 0.0400 0.01000 0.00447 Difference -0.0278 t = -4.225 with 6 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -0.0440 to -0.0117 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = 0.006).



Iron Total Recoverable



0.220 0.210 0.070 0.600 1.270 0.260 0.029 0.166 0.417 0.660 0.526 0.500

0.320 0.400 0.490

t-test Monday, November 30, 2015, 7:24:58 p.m. Normality Test: Passed (P = 0.059) Equal Variance test: Passed (P = 0.207) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 6 0 0.422 0.458 0.187 After ('13-'15) 9 0 0.401 0.174 0.0580 Difference 0.0213 t = 0.128 with 13 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -0.338 to 0.380 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.900).

Lead Dissolved



0.0010 0.0550 0.0013 0.0180 0.0006 0.0460 0.0005 0.0570 0.0009 0.0118

0.0104 0.0440 0.0340 0.0084

Mann-Whitney Rank Sum Test Monday, November 30, 2015, 7:27:27 p.m. Group N Missing Median 25% 75% Before ('00-'09) 5 0 0.000930 0.000545 0.00115 After ('13-'15) 9 0 0.0340 0.0111 0.0505 Mann-Whitney U Statistic 0.000 T = 15.000 n(small)= 5 n(big)= 9 (P = 0.003) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.003)



Lead Total Recoverable



0.0037 0.0960 0.0120 0.1350 0.0697 0.1230 0.0030 0.0950 0.0080 0.1180 0.0055 0.0920 0.0013 0.1150 0.0008 0.1140 0.0011 0.0810

Mann-Whitney Rank Sum Test Monday, November 30, 2015, 7:29:23 p.m. Group N Missing Median 25% 75% Before ('00-'09) 9 0 0.00370 0.00120 0.01000 After ('13-'15) 9 0 0.114 0.0935 0.121 Mann-Whitney U Statistic 0.000 T = 45.000 n(small)= 9 n(big)= 9 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001) Zinc Dissolved



1.2600 4.5000 0.4940 4.9000 0.5950 2.9000 0.3060 1.7400 0.1850 6.7000 0.4100 5.2000 0.1800 3.4000 0.4300 4.3000

5.1000

Mann-Whitney Rank Sum Test Monday, May 09, 2016, 1:04:25 p.m. Group N Missing Median 25% 75% Before ('00-'09) 8 0 0.420 0.245 0.544 After ('13-'15) 9 0 4.500 3.275 5.125 Mann-Whitney U Statistic 0.000 T = 36.000 n(small)= 8 n(big)= 9 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001)



Zinc Total Recoverable



1.2000 4.0000 0.5190 4.4000 0.5720 2.9000 0.3760 1.6800 0.1856 6.8000 0.3900 4.8000 0.1800 3.6000 0.4200 4.2000

4.7000 Mann-Whitney Rank Sum Test Monday, May 09, 2016, 1:05:22 p.m. Group N Missing Median 25% 75% Before ('00-'09) 8 0 0.405 0.281 0.545 After ('13-'15) 9 0 4.200 3.425 4.725 Mann-Whitney U Statistic 0.000 T = 36.000 n(small)= 8 n(big)= 9 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001)



SW5 – Before and After Remediation Statistical Analysis pH



7.1 6.7 7.3 6.8 6.9 6.7 7.3 7 7.2 6.9 7.2 6.9 7.1 6.9 7.3 7.1

t-test Tuesday, November 10, 2015, 8:53:17 a.m. Normality Test: Passed (P = 0.402) Equal Variance test: Passed (P = 1.000) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 8 0 7.175 0.139 0.0491 After ('13-'15) 8 0 6.875 0.139 0.0491 Difference 0.30 t = 4.320 with 14 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: 0.151 to 0.449 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).

Sulphate



280 1060 281 1150 268 1130 235 1020 278 840 268 680

276.24 660 292 220 270 210 280

Mann-Whitney Rank Sum Test Tuesday, November 10, 2015, 8:43:13 a.m. Group N Missing Median 25% 75% Before ('00-'09) 12 0 273.120 251.500 280.000 After ('13-'15) 7 0 1020.000 720.000 1112.500 Mann-Whitney U Statistic 0.000 T = 112.000 n(small)= 7 n(big)= 12 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001)



Alkalinity



68.0000 116.0000 74.0000 119.0000 57.0000 128.0000 49.0000 162.0000 57.0000 148.0000 46.0000 128.0000 48.0000 128.0000 38.0000 68.0000 43.0000 64.0000

t-test Tuesday, November 10, 2015, 8:58:15 a.m. Normality Test: Passed (P = 0.293) Equal Variance test: Passed (P = 0.120) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 11 0 55.636 11.758 3.545 After ('13-'15) 7 0 132.714 16.459 6.221 Difference -77.078 t = -11.627 with 16 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: -91.131 to -63.024 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).

Arsenic Dissolved



0.001 0.028 0.001 0.025 0.001 0.023 0.001 0.02

0.0008 0.021 0.001379 0.0162

0.0015 0.0183 0.0014

Mann-Whitney Rank Sum Test Tuesday, November 10, 2015, 9:03:00 a.m. Group N Missing Median 25% 75% Before ('00-'09) 8 0 0.001000 0.001000 0.00139 After ('13-'15) 7 0 0.0210 0.0187 0.0245 Mann-Whitney U Statistic 0.000 T = 84.000 n(small)= 7 n(big)= 8 P(est.) = 0.001 P(exact) = <0.001 The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001)



Arsenic Total Recoverable



0.005 0.03 0.006 0.027 0.005 0.029 0.004 0.031 0.003 0.032

0.003981 0.021 0.0052 0.027 0.0052 0.0038 0.0048


Cadmium Dissolved



0.107 0.0104 0.103 0.0114 0.189 0.0122 0.133 0.007 0.033 0.0064 0.103 0.0032 0.16 0.0031 0.12 0.21 0.13 0.19 0.12







0.116 0.0108 0.114 0.0121 0.19 0.0131

0.144 0.0073 0.108 0.0066 0.114 0.0034 0.144 0.0035 0.13 0.15 0.21 0.14


Calcium Dissolved



61.5 350 86 370 58 350 84 310

320 250 250

Mann-Whitney Rank Sum Test Tuesday, November 10, 2015, 9:16:52 a.m. Group N Missing Median 25% 75% Before ('00-'09) 4 0 72.750 59.750 85.000 After ('13-'15) 7 0 320.000 265.000 350.000 Mann-Whitney U Statistic 0.000 T = 10.000 n(small)= 4 n(big)= 7 P(est.)= 0.010 P(exact)= 0.006 The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.006)



Calcium Total Recoverable



85 350 63 370 89 360

320 300 270 250





4.22 18.8 4.85 19.8 3.47 21 3.03 17.1 2.46 16.8 3.16 10.1

2.724 12.3 3.7 4.7 4.4 4.2







0.0878 0.00290 0.0771 0.00330 0.0953 0.00151 0.0979 0.00016

0.04 0.00091 0.03 0.00124

0.03137 0.00086 0.077 0.072 0.15

0.077

Mann-Whitney Rank Sum Test Tuesday, November 10, 2015, 9:24:35 a.m Group N Missing Median 25% 75% Before ('00-'09) 11 0 0.0770 0.0480 0.0934 After ('13-'15) 7 0 0.00124 0.000873 0.00255 Mann-Whitney U Statistic 0.000 T = 28.000 n(small)= 7 n(big)= 11 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001)

Magnesium Dissolved



11.9 45 18 51 13 47 18 47

44 35 33




Magnesium Total Recoverable



18 40 14 53 19 50

45 41 37 32

t-test Tuesday, November 10, 2015, 2:31:26 p.m. Normality Test: Passed (P = 0.973) Equal Variance test: Passed (P = 0.253) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 3 0 17.000 2.646 1.528 After ('13-'15) 7 0 42.571 7.323 2.768 Difference -25.571 t = -5.720 with 8 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: -35.880 to -15.263 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).

Zinc Dissolved



15.9 9.3 15.9 9.4 23.7 9 17.4 7.8 17 7.1

14.6 4.3 24.60 4.7

18 30 20 27 19







18.5 10.7 18.7 9.9 26.4 9.8 19.4 7.8 18.3 7 16.8 4.9

25.57 5.1 20 22 30 22




SW7 – Before and After Remediation Statistical Analysis pH



6.8 7 7 7.1

6.8 7 6.9 7.5 7.3 7.3 7.4 7 7 6.6 7.6 7.4

t-test Tuesday, December 1, 2015, 10:15:10 a.m. Normality Test: Passed (P = 0.369) Equal Variance test: Passed (P = 0.701) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 7 0 7.029 0.236 0.0892 After ('13-'15) 9 0 7.167 0.312 0.104 Difference -0.138 t = -0.971 with 14 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -0.443 to 0.167 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.348).

Cadmium Dissolved



0.0532 0.0119 0.0639 0.0146 0.0313 0.0158 0.0270 0.0084 0.0450 0.0141 0.0460 0.0130 0.0280 0.0102 0.0490 0.0116

0.0138

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 10:23:43 a.m. Group N Missing Median 25% 75% Before ('00-'09) 8 0 0.0455 0.0288 0.0521 After ('13-'15) 9 0 0.0130 0.0109 0.0144 Mann-Whitney U Statistic 0.000 T = 108.000 n(small)= 8 n(big)= 9 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001).






0.0461 0.0113 0.0542 0.0157 0.0614 0.0160 0.0329 0.0089 0.0270 0.0135 0.0458 0.0130 0.0480 0.0115 0.0290 0.0110 0.0490 0.0139


Copper Dissolved



0.0075 0.0081 0.0101 0.0033 0.0095 0.0049 0.0080 0.0038 0.0015 0.0043 0.0210 0.0065 0.0200 0.0039 0.0099 0.0038

0.0030

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 10:29:48 a.m. Group N Missing Median 25% 75% Before ('00-'09) 8 0 0.00970 0.00762 0.0175 After ('13-'15) 9 0 0.00390 0.00355 0.00570 Mann-Whitney U Statistic 11.000 T = 97.000 n(small)= 8 n(big)= 9 (P = 0.018) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.018).






0.0187 0.0138 0.0176 0.0064 0.0289 0.0061 0.0651 0.0065 0.0200 0.0053 0.0619 0.0099 0.0410 0.0069 0.0650 0.0043 0.0420 0.0040


Iron Dissolved



0.0200 0.0600 0.0327 0.0200 0.1600 0.0300 0.0370

t-test Tuesday, December 1, 2015, 1:12:15 p.m. Normality Test: Passed (P = 0.062) Equal Variance test: Passed (P = 0.740) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 4 0 0.0624 0.0655 0.0327 After ('13-'15) 3 0 0.0367 0.0208 0.0120 Difference 0.0258 t = 0.644 with 5 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -0.0771 to 0.129 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.548).






0.110 0.200 0.120 0.460 0.170 0.050 0.830 0.087 0.299 0.032 0.841 0.142 0.410 0.060 0.410 0.027 0.550

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 1:15:06 a.m. Group N Missing Median 25% 75% Before ('00-'09) 9 0 0.410 0.145 0.690 After ('13-'15) 8 0 0.0735 0.0365 0.186 Mann-Whitney U Statistic 11.000 T = 47.000 n(small)= 8 n(big)= 9 (P = 0.018) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.018).

Lead Dissolved



0.0115 0.0137 0.0095 0.0011 0.0037 0.0029 0.0030 0.0039 0.0025 0.0017 0.0140 0.0019 0.0120 0.0025 0.0036 0.0019

0.0013







0.0252 0.0340 0.0251 0.0108 0.0346 0.0063 0.0688 0.0125 0.0100 0.0037 0.0298 0.0137 0.0330 0.0095 0.1000 0.0032 0.0360 0.0024

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 1:19:27 p.m. Group N Missing Median 25% 75% Before ('00-'09) 9 0 0.0330 0.0251 0.0524 After ('13-'15) 9 0 0.00950 0.00345 0.0131 Mann-Whitney U Statistic 8.000 T = 118.000 n(small)= 9 n(big)= 9 (P = 0.005) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.005)

Zinc Dissolved



7.1100 1.7200 7.7900 2.4000 4.1300 2.3000 6.0200 1.2900 6.1550 1.9800 6.6000 2.0000 3.9000 1.5400 6.8000 1.7600

1.9500

t-test Tuesday, December 1, 2015, 1:21:26 p.m. Normality Test: Passed (P = 0.079) Equal Variance test: Passed (P = 0.050) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 8 0 6.063 1.380 0.488 After ('13-'15) 9 0 1.882 0.350 0.117 Difference 4.181 t = 8.808 with 15 degrees of freedom 95 percent two-tailed confidence interval for difference of means: 3.169 to 5.193 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).






6.290 1.710 7.020 2.300 8.040 2.300 4.460 1.300 6.310 1.990 6.314 1.980 7.000 1.810 4.100 1.670 7.200 1.810

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 1:23:21 p.m. Group N Missing Median 25% 75% Before ('00-'09) 9 0 6.314 5.375 7.110 After ('13-'15) 9 0 1.810 1.690 2.145 Mann-Whitney U Statistic 0.000 T = 126.000 n(small)= 9 n(big)= 9 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001).



SW8 – Before and After Remediation Statistical Analysis

pH



6.8 7.3 7 7.3

6.9 7.3 7.7 7.5 7.7 7.5 7.3 7.6

6.6 7.1 7.7

t-test Tuesday, December 1, 2015, 3:01:04 p.m. Normality Test: Passed (P = 0.710) Equal Variance test: Passed (P = 1.000) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 6 0 7.233 0.398 0.163 After ('13-'15) 9 0 7.322 0.327 0.109 Difference -0.0889 t = 8.808 with 15 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -0.494 to 0.317 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.644).

Copper Dissolved



0.00050 0.00070 0.00110 0.00100 0.00060 0.00050 0.00063

t-test Tuesday, December 1, 2015, 3:03:57 p.m. Normality Test: Passed (P = 0.176) Equal Variance test: Passed (P = 0.616) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 4 0 0.000708 0.000268 0.000134 After ('13-'15) 3 0 0.000733 0.000252 0.000145 Difference -0.0000258 t = -0.129 with 5 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -0.000539 to 0.000487 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.902).






0.00120 0.00056 0.00060 0.00054 0.00070 0.00077 0.00060 0.00068 0.00060 0.00060 0.00076

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:07:13 p.m. Group N Missing Median 25% 75% Before ('00-'09) 6 0 0.000650 0.000600 0.000870 After ('13-'15) 5 0 0.000600 0.000550 0.000725 Mann-Whitney U Statistic 9.500 T = 24.500 n(small)= 5 n(big)= 6 P(est.)= 0.350 P(exact)= 0.329 The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.329)

Iron Dissolved



0.0001 0.0300 0.0200 0.0200 0.0260 0.0300 0.0290 0.0300

t-test Tuesday, December 1, 2015, 3:09:33 p.m. Normality Test: Passed (P = 0.118) Equal Variance test: Passed (P = 0.292) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 4 0 0.0188 0.0130 0.00651 After ('13-'15) 4 0 0.0275 0.00500 0.00250 Difference -0.00874 t = -1.253 with 6 degrees of freedom. 95 percent two-tailed confidence interval for difference of means: -0.0258 to 0.00833 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.257).



Lead Dissolved



0.00110 0.00014 0.00010 0.00014 0.00020 0.00012





0.00210 0.00032 0.00020 0.00016 0.00030 0.00013 0.00030 0.00018 0.00036 0.00015 0.00041 0.00022

0.00021 0.00014

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:13:10 p.m. Group N Missing Median 25% 75% Before ('00-'09) 6 0 0.000330 0.000275 0.000832 After ('13-'15) 8 0 0.000170 0.000142 0.000218 Mann-Whitney U Statistic 5.000 T = 64.000 n(small)= 6 n(big)= 8 P(est.)= 0.017 P(exact)= 0.013 The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.013).



Zinc Dissolved



0.0160 0.0015 0.0150 0.0011 0.0170 0.0016 0.0017 0.0011 0.0015 0.0022

0.0034 0.0012 0.0013 0.0020

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:15:45 p.m. Group N Missing Median 25% 75% Before ('00-'09) 5 0 0.0150 0.00160 0.0165 After ('13-'15) 9 0 0.00150 0.00115 0.00210 Mann-Whitney U Statistic 7.500 T = 52.500 n(small)= 5 n(big)= 9 (P = 0.053) The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.053)




0.0100 0.0022 0.0030 0.0012 0.0020 0.0019 0.0010 0.0017 0.0013 0.0026 0.0024 0.0020

0.0012 0.0012

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:17:56 p.m. Group N Missing Median 25% 75% Before ('00-'09) 6 0 0.00220 0.00123 0.00475 After ('13-'15) 8 0 0.00180 0.00120 0.00215 Mann-Whitney U Statistic 16.500 T = 52.500 n(small)= 6 n(big)= 8 P(est.)= 0.364 P(exact)= 0.345 The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.345).



SW11 Before and After Remediation Statistical Analysis

pH



3.7 6.3 3.6 6.6 3.5 6.8 3.9 6.6 3.2 6.8 3.2 7.5 3.3 6.2

6.1

t-test Tuesday, December 1, 2015, 3:22:16 p.m. Normality Test: Passed (P = 0.399) Equal Variance test: Passed (P = 0.323) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 7 0 3.486 0.267 0.101 After ('13-'15) 9 0 6.622 0.418 0.139 Difference -3.137 t = -17.242 with 14 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -3.527 to -2.746 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).

Arsenic Dissolved



0.0010 0.0050 0.0010 0.0166 0.0300 0.0135 0.1100 0.0188 0.0300 0.0240 0.0180 0.0070 0.0260 0.0132 0.0120 0.0230

0.0169

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:24:58 p.m. Group N Missing Median 25% 75% Before ('00-'09) 8 0 0.0220 0.00375 0.0300 After ('13-'15) 9 0 0.0166 0.0101 0.0209 Mann-Whitney U Statistic 28.000 T = 80.000 n(small)= 8 n(big)= 9 (P = 0.470) The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.470).






0.0030 0.0180 0.0020 0.0310 0.0020 0.0220 0.0040 0.0290 0.1600 0.0330 0.1330 0.0095 0.0300 0.0290 0.0230 0.0410 0.0280 0.0250 0.014


Cadmium Dissolved



0.0708 0.0760 0.0692 0.0240 0.0709 0.0260 0.0338 0.0200 0.1600 0.0250 0.1800 0.0039 0.2000 0.0330 0.1100 0.0510 0.1400 0.0270 0.1200

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:28:18 p.m. Group N Missing Median 25% 75% Before ('00-'09) 10 0 0.115 0.0704 0.165 After ('13-'15) 9 0 0.0260 0.0220 0.0420 Mann-Whitney U Statistic 5.000 T = 50.000 n(small)= 9 n(big)= 10 (P = 0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.001).






0.0688 0.0740 0.0695 0.0630 0.0649 0.0340 0.0325 0.0310 0.1500 0.0330 0.1700 0.0087 0.2000 0.0350 0.1100 0.0530 0.1400 0.0290 0.1100

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:29:54 p.m. Group N Missing Median 25% 75% Before ('00-'09) 10 0 0.110 0.0678 0.155 After ('13-'15) 9 0 0.0340 0.0300 0.0580 Mann-Whitney U Statistic 9.000 T = 54.000 n(small)= 9 n(big)= 10 (P = 0.004) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.004).

Copper Dissolved



0.403 0.136 0.419 0.004 0.342 0.005 0.245 0.007 0.780 0.004 0.900 0.004 4.000 0.012 0.960 0.019 1.700 0.002 0.970

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:32:04 p.m. Group N Missing Median 25% 75% Before ('00-'09) 10 0 0.840 0.388 1.152 After ('13-'15) 9 0 0.00540 0.00350 0.0158 Mann-Whitney U Statistic 0.000 T = 45.000 n(small)= 9 n(big)= 10 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001).






0.415 0.540 0.426 0.290 0.347 0.146 0.252 0.139 0.780 0.094 0.900 0.023 4.400 0.210 1.000 0.210 1.600 0.072 0.990

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:33:49 p.m. Group N Missing Median 25% 75% Before ('00-'09) 10 0 0.840 0.398 1.150 After ('13-'15) 9 0 0.146 0.0830 0.250 Mann-Whitney U Statistic 5.000 T = 50.000 n(small)= 9 n(big)= 10 (P = 0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.001)

Iron Dissolved



1.25 4.90 1.00 9.60 1.97 4.30 1.72 8.40

104.00 7.90 114.00 1.15 77.00 6.50 20.00 11.00 26.00 5.70 17.00







2.39 8.30 1.67 12.00 3.11 7.10 3.73 9.20

103.00 9.10 119.00 1.85 78.00 8.70 22.00 13.70 26.00 6.60 19.00


Lead Dissolved



0.3020 0.0057 0.4180 0.0039 0.4050 0.0014 0.1870 0.0059 2.7000 0.0052 2.2000 0.0054 1.4000 0.0024 0.7100 0.0187 0.8900 0.0198 0.8700

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 3:38:14 p.m. Group N Missing Median 25% 75% Before ('00-'09) 10 0 0.790 0.379 1.600 After ('13-'15) 9 0 0.00540 0.00315 0.0123 Mann-Whitney U Statistic 0.000 T = 45.000 n(small)= 9 n(big)= 10 (P = <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001)






0.314 0.165 0.406 0.320 0.428 0.192 0.219 0.176 2.800 0.189 2.200 0.056 1.700 0.165 0.770 0.230 0.910 0.131 0.870


Magnesium Dissolved



11.9 45.0 18.0 51.0 13.0 47.0 18.0 47.0

44.0 35.0 33.0

t-test Tuesday, December 1, 2015, 3:41:37 p.m. Normality Test: Passed (P = 0.340) Equal Variance test: Passed (P = 0.285) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 4 0 15.225 3.236 1.618 After ('13-'15) 7 0 43.143 6.644 2.511 Difference -27.918 t = -7.763 with 9 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -36.053 to -19.783 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).



Zinc Dissolved



14.30 7.70 13.40 6.40 14.70 4.20 6.58 5.60 44.00 6.40 46.00 1.69 46.00 4.90 19.00 7.50 25.00 5.70 20.00





13.90 7.70 14.30 7.20 14.40 4.60 6.66 5.00 44.00 6.80 46.00 1.79 47.00 5.20 19.00 7.70 25.00 5.20 20.00





pH



6.7 6.9 6.9 7.3 6.7 7.3 6.8 7.0 6.6 7.8 6.5 7.5 6.8 7.5

7.4 7.6

t-test Tuesday, December 1, 2015, 3:51:22 p.m. Normality Test: Passed (P = 0.851) Equal Variance test: Passed (P = 0.242) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 7 0 6.714 0.135 0.0508 After ('13-'15) 9 0 7.367 0.283 0.0943 Difference -0.652 t = -5.598 with 14 degrees of freedom. 95 percent two-tailed confidence interval for difference of means: -0.902 to -0.402 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).

Cadmium Dissolved



0.00487 0.00131 0.00456 0.00070 0.00399 0.00054 0.00573 0.00043 0.00100 0.00045 0.00200 0.00047 0.00574 0.00047 0.00390 0.00039 0.00450 0.00038 0.00370 0.00540







0.00488 0.00132 0.00399 0.00076 0.00573 0.00062 0.00300 0.00044 0.00200 0.00043 0.00540 0.00052 0.00390 0.00051 0.00480 0.00036 0.00380 0.00035 0.00540


Copper Dissolved



0.0067 0.0028 0.0076 0.0018 0.0053 0.0013 0.0080 0.0010 0.0010 0.0012 0.0030 0.0035 0.0084 0.0012 0.0054 0.0011 0.0081 0.0009 0.0075 0.0110

t-test Tuesday, December 1, 2015, 3:57:09 p.m. Normality Test: Passed (P = 0.118) Equal Variance test: Passed (P = 0.108) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 11 0 0.00655 0.00276 0.000832 After ('13-'15) 9 0 0.00164 0.000907 0.000302 Difference 0.00491 t = 5.088 with 18 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -0.902 to -0.402 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).






0.0183 0.0075 0.0113 0.0019 0.0342 0.0031 0.0060 0.0013 0.0070 0.0014 0.0987 0.0018 0.0190 0.0016 0.0270 0.0012 0.0260 0.0011 0.0270





0.080 0.300 0.090 0.026 0.530 0.196 0.080 0.041 0.117 0.029 0.290 0.210 0.260 0.150




Lead Dissolved



0.00160 0.00158 0.00280 0.00095 0.00190 0.00032 0.00250 0.00032 0.00209 0.00011 0.00140 0.00028 0.00380 0.00023 0.00230 0.00016 0.00610

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 4:02:07 p.m. Group N Missing Median 25% 75% Before ('00-'09) 9 0 0.00230 0.00175 0.00330 After ('13-'15) 8 0 0.000300 0.000178 0.000792 Mann-Whitney U Statistic 1.000 T = 37.000 n(small)= 8 n(big)= 9 (P= <0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001)




0.0126 0.0089 0.0107 0.0017 0.0310 0.0068 0.0160 0.0013 0.0050 0.0004 0.2171 0.0011 0.0240 0.0007 0.0260 0.0004 0.0220 0.0002 0.0250




Zinc Dissolved



0.830 0.177 0.755 0.119 0.760 0.089 1.110 0.071 0.500 0.063 0.500 0.076 0.670 0.071 0.780 0.058 0.780 0.053 0.620 0.920





0.818 0.185 0.813 0.108 1.180 0.101 0.563 0.069 0.563 0.063 1.000 0.074 0.810 0.076 0.850 0.054 0.670 0.047 0.980





pH



7.0 6.7 7.2 7.2 6.8 7.2 7.0 7.2 7.1 7.6 6.4 7.4 7.2 7.3 6.8 6.2 7.2 7.6 6.9 7.6

t-test Sunday, May 08, 2016, 1:21:43 p.m. Normality Test: Passed (P = 0.126) Equal Variance test: Passed (P = 0.239) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 11 0 7.015 0.314 0.0946 After ('13-'15) 9 0 7.156 0.448 0.149 Difference -0.141 t = -0.535 with 19 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -0.499 to 0.217 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.419).

Sulphate



209.0 80.0 252.0 310.0 179.0 240.0 140.0 108.0 183.0 390.0 163.0 270.0 161.0 172.0 201.0 240.0 220.0 330.0 110.0 210.0



Sulphate continued

Mann-Whitney Rank Sum Test Sunday, May 08, 2016, 1:23:06 p.m. Group N Missing Median 25% 75% Before ('00-'09) 11 0 183.000 161. 500 209.750 After ('13-'15) 9 0 240.000 140.000 320.000 Mann-Whitney U Statistic 31.000 T = 113.000 n(small)= 9 n(big)= 11 (P= 0.171) The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.171).

Alkalinity



50.0 13.5 62.0 46.0 38.0 37.0 27.0 24.0 38.0 54.0 25.0 41.0 28.0 34.0 49.0 44.0 20.0 52.0 44.0

t-test Sunday, May 08, 2016, 1:24:28 p.m. Normality Test: Passed (P = 0.978) Equal Variance test: Passed (P = 0.907) Group Name N Missing Mean Std Dev SEM Before ('00-'09) 10 0 38.100 13.295 4.204 After ('13-'15) 9 0 38.389 13.100 4.367 Difference -0.289 t = -0.476 with 17 degrees of freedom 95 percent two-tailed confidence interval for difference of means: -13.089 to 12.511 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.963).



Cadmium Dissolved



0.0822 0.0240 0.0937 0.0210 0.1220 0.0230 0.0771 0.0096 0.0890 0.0188 0.0570 0.0146 0.1030 0.0136 0.0870 0.0145 0.0980 0.0173 0.0770 0.0880





0.092 0.023 0.102 0.023 0.121 0.023 0.079 0.010 0.100 0.020 0.059 0.015 0.102 0.015 0.094 0.014 0.110 0.017 0.083 0.099



Cadmium Total Recoverable continued


Copper Dissolved



0.0097 0.0220 0.0087 0.0016 0.0159 0.0040 0.0157 0.0043 0.0090 0.0019 0.0080 0.0024 0.0020 0.0036 0.0120 0.0030 0.0076 0.0032 0.0330 0.0085

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 4:25:46 p.m. Group N Missing Median 25% 75% Before ('00-'09) 11 0 0.00900 0.00800 0.0157 After ('13-'15) 9 0 0.00320 0.00215 0.00415 Mann-Whitney U Statistic 16.000 T = 61.000 n(small)= 9 n(big)= 11 (P= 0.012) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.012)






0.1980 0.0310 0.1460 0.0092 0.1750 0.0105 0.1190 0.0113 0.0060 0.0098 0.0430 0.0076 0.1278 0.0079 0.1100 0.0058 0.1200 0.0062 0.1700 0.1000

Mann-Whitney Rank Sum Test Tuesday, December 1, 2015, 4:27:33 p.m. Group N Missing Median 25% 75% Before ('00-'09) 11 0 0.120 0.1000 0.170 After ('13-'15) 9 0 0.00920 0.00690 0.0109 Mann-Whitney U Statistic 8.000 T = 53.000 n(small)= 9 n(big)= 11 (P= 0.002) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.002)




3.73 0.33 3.57 2.20 1.93 0.69 1.47 0.46 1.24 1.56 1.04 0.93 1.42 0.30 1.70 0.36 2.40 0.40 1.20 2.10

Mann-Whitney Rank Sum Test Sunday, May 08, 2016, 1:26:50 p.m. Group N Missing Median 25% 75% Before ('00-'09) 11 0 1.700 1.286 2.325 After ('13-'15) 9 0 0.460 0.353 1.088 Mann-Whitney U Statistic 13.000 T = 58.000 n(small)= 9 n(big)= 11 (P= 0.006) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.006)



Lead Dissolved



0.00740 0.03000 0.00800 0.00050 0.00610 0.00260 0.00300 0.00420 0.01000 0.00075 0.00100 0.00116 0.00176 0.00290 0.00550 0.00220 0.00420 0.00300 0.00500 0.00280

Mann-Whitney Rank Sum Test Sunday, May 08, 2016, 1:27:57 p.m. Group N Missing Median 25% 75% Before ('00-'09) 11 0 0.00500 0.00285 0.00708 After ('13-'15) 9 0 0.00260 0.00106 0.00330 Mann-Whitney U Statistic 27.000 T = 72.000 n(small)= 9 n(big)= 11 (P= 0.094) The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.213).




0.1740 0.0480 0.1060 0.0260 0.0872 0.0240 0.0806 0.0210 0.0620 0.0270 0.0120 0.0183 0.0326 0.0174 0.0580 0.0155 0.0540 0.0174 0.0750 0.0530

Mann-Whitney Rank Sum Test Sunday, May 08, 2016, 1:28:40 p.m. Group N Missing Median 25% 75% Before ('00-'09) 11 0 0.0620 0.0532 0.0856 After ('13-'15) 9 0 0.0210 0.0174 0.0262 Mann-Whitney U Statistic 10.000 T = 55.000 n(small)= 9 n(big)= 12 (P= 0.003) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.003).



Zinc Dissolved



11.50 3.80 13.70 4.20 15.20 3.60 10.10 1.71 10.60 3.30 9.35 2.90 13.35 2.40 12.00 2.60 13.00 2.90 11.00 13.00

Mann-Whitney Rank Sum Test Sunday, May 08, 2016, 1:30:04 p.m. Group N Missing Median 25% 75% Before ('00-'09) 11 0 12.000 10.700 13.262 After ('13-'15) 9 0 2.900 2.550 3.650 Mann-Whitney U Statistic 0.000 T = 45.000 n(small)= 9 n(big)= 11 (P<0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P <0.001).




14.500 3.700 16.100 4.400 16.900 3.700 10.800 1.740 11.500 4.100 9.970 3.000

14.235 2.600 14.000 2.600 15.000 2.800 12.000 14.000

Mann-Whitney Rank Sum Test Sunday, May 08, 2016, 1:30:52 p.m. Group N Missing Median 25% 75% Before ('00-'09) 11 0 14.000 11.625 14.875 After ('13-'15) 9 0 3.000 2.600 3.800 Mann-Whitney U Statistic 0.000 T = 45.000 n(small)= 9 n(big)= 11 (P<0.001) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P <0.001).


Appendix G

Statistical Analysis (M

ass Flux)


A02277814 Stat Analysis Summary Table App G.xlsx PATTLE DELAMORE PARTNERS LTD



Sulphate No statistically significant difference Yes, concentration increased after remediation Increasing No Trend

Arsenic Dissolved Data under the detection limit before/after remediation - - -

Arsenic Total Recoverable Data under the detection limit before/after remediation - - -

Cadmium Dissolved Statistically significant difference Yes, concentration increased after remediation No Trend No Trend

Cadmium Total Recoverable Statistically significant difference Yes, concentration increased after remediation No Trend No Trend

Copper Dissolved Statistically significant difference Yes, concentration increased after remediation No Trend No Trend

Copper Total Recoverable Statistically significant difference Yes, concentration increased after remediation No Trend No Trend

Iron Total Recoverable No statistically significant difference No No Trend No Trend

Lead Dissolved Statistically significant difference Yes, concentration increased after remediation Decreasing Decreasing

Lead Total Recoverable Statistically significant difference Yes, concentration increased after remediation Decreasing Decreasing

Zinc Dissolved Statistically significant difference Yes, concentration increased after remediation No Trend No Trend

Zinc Total Recoverable Statistically significant difference Yes, concentration increased after remediation No Trend No Trend

Sulphate No statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Arsenic Dissolved Statistically significant difference Yes, concentration increased after remediation Decreasing Decreasing

Arsenic Total Recoverable Statistically significant difference Yes, concentration increased after remediation No Trend No Trend

Cadmium Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Cadmium Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Copper Dissolved Data points under the detection limit after remediation - - -

Copper Total Recoverable Data points under the detection limit after remediation - - -

Iron Total Recoverable No statistically significant difference No Decreasing Decreasing

Lead Dissolved Data points under the detection limit after remediation - - -

Lead Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

Zinc Dissolved Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing


Sulphate Statistically significant difference Yes, concentration increased after remediation Decreasing Decreasing


Cadmium Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

Iron Total Recoverable Statistically significant difference Yes, concentration increased after remediation Decreasing Decreasing

Lead Total Recoverable No statistically significant difference No Decreasing Decreasing




Arsenic Dissolved Data points under the detection limit after remediation - - -

Arsenic Total Recoverable Data points under the detection limit after remediation - - -


Cadmium Total Recoverable Statistically significant difference Yes, concentration decreased after remediation No Trend No Trend

Copper Dissolved No statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend

Copper Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Iron Total Recoverable Statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Lead Dissolved No statistically significant difference Yes, concentration decreased after remediation Decreasing No Trend


Zinc Dissolved Statistically significant difference Yes, concentration decreased after remediation No Trend No Trend





Cadmium Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Increasing Increasing

Cadmium Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Increasing No Trend

Copper Dissolved Not enough data points before remediation Yes, concentration decreased after remediation No Trend No Trend

Copper Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Increasing No Trend

Iron Total Recoverable Data points under the detection limit after remediation Yes, concentration decreased after remediation - -

Lead Dissolved Not enough data points before remediation Yes, concentration decreased after remediation No Trend No Trend

Lead Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Decreasing Decreasing

Zinc Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Increasing Increasing

Zinc Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation No Trend No Trend




Cadmium Dissolved No statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Cadmium Total Recoverable No statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Copper Dissolved No statistically significant difference No No Trend No Trend

Copper Total Recoverable No statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing

Iron Total Recoverable No statistically significant difference Yes, concentration decreased after remediation No Trend No Trend

Lead Dissolved No statistically significant difference No No Trend No Trend

Lead Total Recoverable No statistically significant difference Yes, concentration decreased after remediation Decreasing Decreasing



Sulphate Not measured after remediation -

Arsenic Dissolved Data points under the detection limit -

Arsenic Total Recoverable Data points under the detection limit -

Cadmium Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Increasing Increasing

Cadmium Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Increasing No Trend

Copper Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Decreasing No Trend

Copper Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Decreasing No Trend

Iron Total Recoverable Data points under the detection limit -

Lead Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Increasing Increasing

Lead Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Increasing No Trend

Zinc Dissolved Not enough data points before remediation Yes, concentration decreased after remediation Increasing No Trend

Zinc Total Recoverable Not enough data points before remediation Yes, concentration decreased after remediation Increasing No Trend

SW100

SW101

Data points under the detection limit

Not measured after remediation



SW3

SW5

SW7

SW15

Table G-1: Statistical Analysis Summary (Mass Flux)

Site ParameterT-tests/Rank Sum tests before


Visual difference between beforeand after remediation present


After Remediation '13, '14, '15

SW3+

SW5





Sulphate (g/s)

0.00 0.02 0.04 0.06 0.08

Before ('01-'09)

After ('13-'15)


Cadmium (g/s)

0.0 5.0e-6 1.0e-5 1.5e-5 2.0e-5 2.5e-5 3.0e-5 3.5e-5








Copper (g/s)

0 2e-5 4e-5 6e-5 8e-5 1e-4






Iron (g/s)

0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007






Lead (g/s)

0 1e-4 2e-4 3e-4 4e-4






Zinc (g/s)

0.000 0.001 0.002 0.003 0.004 0.005









Sulphate (g/s)

1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5




Arsenic (g/s)

0.00000 0.00002 0.00004 0.00006 0.00008 0.00010








Cadmium (g/s)

0.0000 0.0005 0.0010 0.0015 0.0020 0.0025






Iron (g/s)

0.020 0.025 0.030 0.035 0.040 0.045 0.050 0.055






Lead (g/s)

0.0000 0.0002 0.0004 0.0006 0.0008 0.0010 0.0012 0.0014 0.0016 0.0018




Zinc (g/s)

0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35







SW3 + SW5 Combined – Before and After Remediation

SW3 + SW5Before and After Remediation (Sulphate)

Sulphate (g/s)

0 200 400 600 800 1000 1200 1400

Before ('01-'09)

After ('13-'15)

SW3 + SW5Before and After Remediation (Cadmium)

Cadmium (g/s)

0.00 0.05 0.10 0.15 0.20 0.25



Total Before ('01-'09)

Total After ('13-'15)



SW3 + SW5Before and After Remediation (Iron)

Iron (g/s)

0 5 10 15 20 25



SW3 + SW5Before and After Remediation (Lead)

Lead (g/s)

0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18





SW3 + SW5Before and After Remediation (Zinc)

Zinc (g/s)

5 10 15 20 25 30 35









Cadmium (g/s)

0.0000 0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035






Copper (g/s)

0.000 0.002 0.004 0.006 0.008








Iron (g/s)

0.00 0.01 0.02 0.03 0.04 0.05






Lead (g/s)

0.000 0.002 0.004 0.006 0.008 0.010 0.012








Zinc (g/s)

0.0 0.1 0.2 0.3 0.4 0.5









Cadmium (g/s)

0.00000 0.00005 0.00010 0.00015 0.00020

Dissolved Before ('09)


Total Recoverable Before ('09)



0.0000 0.0005 0.0010 0.0015 0.0020








Iron (g/s)

0.000 0.002 0.004 0.006 0.008 0.010 0.012




Lead (g/s)

0.0000 0.0005 0.0010 0.0015 0.0020 0.0025 0.0030








Zinc (g/s)

0.000 0.005 0.010 0.015 0.020 0.025 0.030 0.035









0.000 0.001 0.002 0.003 0.004





SW100 Before and After Remediation (Copper)

Copper (g/s)

0.000 0.001 0.002 0.003 0.004 0.005








Iron (g/s)

0.00 0.01 0.02 0.03 0.04 0.05






Lead (g/s)

0.0000 0.0005 0.0010 0.0015 0.0020 0.0025








Zinc (g/s)

0.0 0.1 0.2 0.3 0.4 0.5









Cadmium (g/s)

0 1e-4 2e-4 3e-4 4e-4






Copper (g/s)

0 2e-5 4e-5 6e-5 8e-5 1e-4 1e-4 1e-4 2e-4 2e-4 2e-4








Lead (g/s)

0.000 0.001 0.002 0.003 0.004 0.005






Zinc (g/s)

0.00 0.01 0.02 0.03 0.04 0.05







SW3 – Before and After Remediation Statistical Analysis (Mass Flux)

Sulphate



0.0710 0.0182 6.6792e-3 0.0403

0.0143 0.0339 6.8760e-3 0.0557 3.2826e-3 0.0203

0.0253 0.0123 0.0101 0.0272

0.0251 0.0180

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 1:37:08 p.m. Group N Missing Median 25% 75% Before ('01-'09) 8 1 0.0101 0.00673 0.0226 After ('13-'15) 10 1 0.0251 0.0182 0.0355 Mann-Whitney U Statistic 15.000 T = 43.000 n(small)= 7 n(big)= 9 (P = 0.090) The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.090).

Cadmium Dissolved



1.1850e-5 2.4320e-5 1.2650e-6 2.0520e-5 2.4300e-6 2.1200e-5 1.4325e-6 2.8359e-5 5.9086e-7 1.4206e-5 3.3771e-6 9.9000e-6 1.3711e-6 1.6800e-5

1.6545e-5 2.2059e-5

t-test Friday, May 06, 2016, 1:40:07 p.m. Normality Test: Passed (P = 0.431) Equal Variance test: Passed (P = 0.239) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 10 3 0.00000319 0.00000393 0.00000148 After ('13-'15) 12 3 0.0000193 0.00000557 0.00000186 Difference -0.0000161 t = -6.491 with 14 degrees of freedom. (P = <0.001) 95 percent two-tailed confidence interval for difference of means: -0.0000215 to -0.0000108 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).






1.5450e-5 2.2800e-5 1.2650e-6 2.2040e-5 3.2400e-6 2.1200e-5 1.4382e-6 2.9372e-5 6.2369e-7 1.3530e-5 3.1661e-6 9.9000e-6 1.4432e-6 1.8400e-5

1.6545e-5 2.1447e-5

t-test Friday, May 06, 2016, 1:42:16 p.m. Normality Test: Passed (P = 0.235) Equal Variance test: Passed (P = 0.542) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 10 3 0.00000380 0.00000523 0.00000198 After ('13-'15) 12 3 0.0000195 0.00000569 0.00000190 Difference -0.0000157 t = -6.491 with 14 degrees of freedom. (P = <0.001) 95 percent two-tailed confidence interval for difference of means: -0.0000216 to -0.00000972 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).

Copper Dissolved



2.1500e-5 6.0800e-5 1.0120e-6 2.3560e-5 8.1000e-7 3.8160e-5 5.0997e-7 5.5705e-5 3.1185e-7 1.2177e-5 2.0263e-6 1.0200e-5 4.6906e-7 2.8000e-5

2.4510e-5 2.0834e-5

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 1:44:54 p.m. Group N Missing Median 25% 75% Before ('01-'09) 10 3 0.000000810 0.000000479 0.00000177 After ('13-'15) 12 3 0.0000245 0.0000187 0.0000425 Mann-Whitney U Statistic 3.000 T = 31.000 n(small)= 7 n(big)= 9 (P = 0.003) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.003).






6.2000e-5 7.9040e-5 1.0120e-6 5.4720e-5 3.0780e-5 6.1480e-5 6.1311e-7 8.1025e-5 4.7597e-7 3.1457e-5 2.5329e-6 2.4300e-5 5.7730e-6 4.8800e-5

4.2893e-5 5.0246e-5

t-test Friday, May 06, 2016, 1:46:26 p.m. Normality Test: Passed (P = 0.162) Equal Variance test: Passed (P = 0.998) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 10 3 0.0000147 0.0000235 0.00000888 After ('13-'15) 12 3 0.0000527 0.0000192 0.00000640 Difference -0.0000379 t = -7.675 with 16 degrees of freedom (P = 0.003) 95 percent two-tailed confidence interval for difference of means: -0.0000608 to -0.0000151 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = 0.003).

Iron Dissolved



4.0480e-6 3.0400e-5 1.2960e-5 3.1800e-5 2.5556e-6 1.2660e-4

4.0000e-5 1.8383e-5

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 1:47:50 p.m. Group N Missing Median 25% 75% Before ('01-'09) 6 3 0.00000405 0.00000293 0.0000107 After ('13-'15) 8 3 0.0000318 0.0000274 0.0000617 Mann-Whitney U Statistic 0.000 T = 6.000 n(small)= 3 n(big)= 5 P(est.)= 0.037 P(exact)= 0.036 The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.036)






6.3500e-3 1.5960e-4 7.3370e-6 4.5600e-4 3.3777e-4 2.7560e-4 3.0140e-4 4.2032e-4

2.2324e-4 1.5000e-4 2.5600e-4 2.4510e-4 3.0025e-4

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 1:50:34 p.m. Group N Missing Median 25% 75% Before ('01-'09) 7 3 0.000320 0.000154 0.00334 After ('13-'15) 12 3 0.000256 0.000207 0.000330 Mann-Whitney U Statistic 13.000 T = 33.000 n(small)= 4 n(big)= 9 (P = 0.487) The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.487)

Lead Dissolved



3.0000e-6 4.1800e-5 9.5195e-8 1.3680e-5 1.0342e-6 4.8760e-5 3.3555e-7 1.4433e-4

3.9913e-6 3.1200e-6 3.5200e-5 2.0834e-5 5.1472e-6

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 1:52:10 p.m. Group N Missing Median 25% 75% Before ('01-'09) 7 3 0.000000685 0.000000215 0.00000202 After ('13-'15) 12 3 0.0000208 0.00000486 0.0000435 Mann-Whitney U Statistic 0.000 T = 10.000 n(small)= 4 n(big)= 9 (P = 0.007) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.007)






3.4850e-4 7.2960e-5 7.5900e-7 1.0260e-4 6.4800e-6 1.3038e-4 3.1687e-6 2.4054e-4 2.1337e-7 3.9913e-5 1.6886e-6 2.7600e-5 3.9689e-7 9.2000e-5

6.9855e-5 4.9634e-5

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 1:53:26 p.m. Group N Missing Median 25% 75% Before ('01-'09) 10 3 0.00000169 0.000000487 0.00000565 After ('13-'15) 12 3 0.0000730 0.0000472 0.000110 Mann-Whitney U Statistic 9.000 T = 37.000 n(small)= 7 n(big)= 9 (P = 0.020) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.020) Zinc Dissolved



1.2650e-3 3.4200e-3 1.5054e-4 3.7240e-3 2.4786e-4 3.0740e-3 1.0600e-4 4.4057e-3 6.7293e-5 2.2663e-3 3.7993e-4 1.5600e-3 1.5515e-4 2.7200e-3

2.6349e-3 2.6349e-3

t-test Friday, May 06, 2016, 1:55:13 p.m. Normality Test: Passed (P = 0.213) Equal Variance test: Passed (P = 0.144) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 10 3 0.000339 0.000421 0.000159 After ('13-'15) 12 3 0.00294 0.000837 0.000279 Difference -0.00260 t = 4.320 with 14 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: -0.00334 to -0.00185 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).






1.9050e-3 3.1920e-3 1.4472e-4 3.3440e-3 3.0456e-4 3.0740e-3 1.0637e-4 4.2538e-3 6.4010e-5 2.3001e-3 3.7993e-4 1.4400e-3 1.5154e-4 2.8800e-3

2.5736e-3 2.5736e-3

t-test Friday, May 06, 2016, 1:57:33 p.m. Normality Test: Passed (P = 0.056) Equal Variance test: Passed (P = 0.453) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 10 3 0.000437 0.000657 0.000248 After ('13-'15) 12 3 0.00285 0.000777 0.000259 Difference -0.00241 t = 4.320 with 14 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: -0.00320 to -0.00162 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).




Sulphate



2.3500 1.5900 2.7550 2.1390 1.8680 1.7515 3.3148 2.5827 4.1756 2.1840 1.5390 1.6232 2.1420 1.6804 2.2680 1.9474

t-test Friday, May 06, 2016, 1:59:41 p.m. Normality Test: Passed (P = 0.190) Equal Variance test: Passed (P = 0.183) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 9 1 2.552 0.849 0.300 After ('13-'15) 9 1 1.937 0.346 0.122 Difference 0.614 t = 1.896 with 14 degrees of freedom. (P = 0.079) 95 percent confidence interval for difference of means: -0.0808 to 1.309 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.079).

Arsenic Dissolved



9.9100e-6 4.2000e-5 5.5760e-6 4.6500e-5 1.6562e-5 3.5650e-5 2.1450e-5 5.0641e-5 1.1340e-5 5.4600e-5

3.8669e-5 4.6592e-5 5.3329e-5

t-test Friday, May 06, 2016, 2:02:20 p.m. Normality Test: Passed (P = 0.572) Equal Variance test: Passed (P = 0.887) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 8 3 0.0000130 0.00000615 0.00000275 After ('13-'15) 11 3 0.0000460 0.00000683 0.00000242 Difference -0.0000330 t = -8.788 with 11 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: -0.0000413 to -0.0000248 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).






3.9640e-5 4.5000e-5 2.0910e-5 5.0220e-5 4.7812e-5 4.4950e-5 7.4360e-5 7.8493e-5 2.9640e-5 8.3200e-5 3.8760e-5 5.0127e-5 3.8880e-5 6.8742e-5

7.7896e-5

t-test Friday, May 06, 2016, 2:04:35 p.m. Normality Test: Passed (P = 0.335) Equal Variance test: Passed (P = 0.611) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 10 3 0.0000414 0.0000168 0.00000637 After ('13-'15) 11 3 0.0000623 0.0000164 0.00000579 Difference -0.0000209 t = -2.433 with 13 degrees of freedom. (P = 0.030) 95 percent confidence interval for difference of means: -0.0000395 to -0.00000234 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = 0.030).

Cadmium Dissolved



1.3300e-3 1.5600e-5 3.2703e-4 2.1204e-5 7.1791e-4 1.8910e-5 1.9216e-3 1.7724e-5 1.7160e-3 1.6640e-5 7.4100e-4 7.6384e-6 1.9380e-3 7.8926e-6 9.7200e-4 1.0186e-5

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 2:06:17 p.m. Group N Missing Median 25% 75% Before ('01-'09) 11 3 0.00115 0.000729 0.00182 After ('13-'15) 11 3 0.0000161 0.00000904 0.0000183 Mann-Whitney U Statistic 0.000 T = 100.000 n(small)= 8 n(big)= 8 P(est.)= <0.001 P(exact)= <0.001 The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001)











0.0303 0.0282 0.0244 0.0368 0.0220 0.0326 0.0327 0.0433 0.0529 0.0437 0.0268 0.0241 0.0449 0.0313 0.0340 0.0294

t-test Friday, May 06, 2016, 2:10:44 p.m. Normality Test: Passed (P = 0.256) Equal Variance test: Passed (P = 0.464) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 11 3 0.0335 0.0105 0.00373 After ('13-'15) 11 3 0.0337 0.00707 0.00250 Difference -0.000165 t = -8.788 with 11 degrees of freedom. (P = 0.971) 95 percent confidence interval for difference of means: -0.00979 to 0.00946 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.971).








Zinc Dissolved



0.1740 0.0140 0.1685 0.0175 0.1018 0.0140 0.2954 0.0197 0.2574 0.0185 0.1140 0.0103 0.2754 0.0120 0.1539 0.0132







0.1940 0.0160 0.1814 0.0184 0.1171 0.0152 0.3071 0.0197 0.2860 0.0182 0.1254 0.0117 0.3060 0.0130 0.1782 0.0141

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 2:15:53 p.m. Group N Missing Median 25% 75% Before ('01-'09) 11 3 0.188 0.152 0.296 After ('13-'15) 11 3 0.0156 0.0135 0.0183 Mann-Whitney U Statistic 0.000 T = 108.000 n(small)= 8 n(big)= 8 P(est.)= <0.001 P(exact)= <0.001 The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001).



SW3 + SW5 – Before and After Remediation Statistical Analysis Sulphate



249.2000 1084.0000 304.4000 1203.0000 285.6000 1162.0000 288.0000 1080.0000 290.0000 881.0000 222.0000 714.0000 308.0000 701.0000

703.0000 Mann-Whitney Rank Sum Test Thursday, May 12, 2016, 9:37:45 a.m. Group N Missing Median 25% 75% Before ('01-'09) 7 0 288.000 258.300 300.800 After ('13-'15) 8 0 980.500 708.500 1123.000 Mann-Whitney U Statistic 0.000 T = 28.000 n(small)= 7 n(big)= 8 P(est.)= 0.001 P(exact)= <0.001 The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = <0.001). Cadmium Dissolved



0.1354 0.0424 0.0380 0.0384 0.1060 0.0322 0.1625 0.0490 0.1336 0.0394 0.1916 0.0242 0.1238 0.0301

0.0394 Mann-Whitney Rank Sum Test Thursday, May 12, 2016, 9:38:06 a.m. Group N Missing Median 25% 75% Before ('01-'09) 7 0 0.134 0.110 0.156 After ('13-'15) 8 0 0.0389 0.0311 0.0409 Mann-Whitney U Statistic 5.000 T = 79.000 n(small)= 7 n(big)= 8 P(est.)= 0.009 P(exact)= 0.006 The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.006).






0.1471 0.0408 0.1130 0.0411 0.1180 0.0331 0.1465 0.0473 0.1538 0.0396 0.2115 0.0264 0.1440 0.0305

0.0385 t-test Thursday, May 12, 2016, 9:38:20 a.m. Normality Test: Failed (P < 0.050) Equal Variance test: Passed (P = 0.066) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 7 0 0.148 0.0322 0.0122 After ('13-'15) 8 0 0.0372 0.00672 0.00238 Difference 0.111 t = 9.533 with 13 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: 0.0855 to 0.136 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001). Iron Total Recoverable



4.3000 19.0100 2.4890 20.4000 3.5770 21.2600 3.2500 17.7600

17.3000 10.4200 12.7000 10.2900

t-test Thursday, May 12, 2016, 9:46:13 a.m. Normality Test: Passed (P = 0.499) Equal Variance test: Passed (P = 0.069) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 4 0 3.404 0.751 0.376 After ('13-'15) 8 0 16.143 4.397 1.555 Difference -12.739 t = -5.619 with 10 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: -17.789 to -7.688 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).






0.1676 0.0989 0.0430 0.1383 0.0380 0.1245 0.0369 0.1182 0.0733 0.0929 0.1508 0.1162 0.0781 0.1149

0.0831 t-test Thursday, May 12, 2016, 9:38:39 a.m. Normality Test: Passed (P = 0.172) Equal Variance test: Failed (P < 0.050) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 7 0 0.0840 0.0542 0.0205 After ('13-'15) 8 0 0.111 0.0180 0.00637 Difference -0.0269 t = -1.330 with 13 degrees of freedom. (P = 0.206) 95 percent confidence interval for difference of means: -0.0707 to 0.0168 The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is not a statistically significant difference between the input groups (P = 0.206). Zinc Dissolved



17.6530 13.8000 17.5950 14.3000 14.9060 11.9000 24.7850 14.5000 20.4100 12.3000 27.1800 7.7000 19.4300 9.0000

8.7000 t-test Thursday, May 12, 2016, 9:38:52 a.m. Normality Test: Passed (P = 0.805) Equal Variance test: Passed (P = 0.197) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 7 0 20.280 4.313 1.630 After ('13-'15) 8 0 11.525 2.711 0.959 Difference 8.755 T = 4.776 with 13 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: 4.795 to 12.715 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).






19.7810 14.9000 18.8720 14.3000 17.1760 12.7000 25.7856 14.6000 22.3900 11.8000 30.1800 8.5000 22.4200 9.3000

8.9000 t-test Thursday, May 12, 2016, 9:39:11 a.m. Normality Test: Passed (P = 0.474) Equal Variance test: Passed (P = 0.172) Group Name N Missing Mean Std Dev SEM Before ('01-'09) 7 0 22.372 4.446 1.680 After ('13-'15) 8 0 11.875 2.673 0.945 Difference 10.497 t = 5.632 with 13 degrees of freedom. (P = <0.001) 95 percent confidence interval for difference of means: 6.471 to 14.524 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = <0.001).



SW7 – Before and After Remediation Statistical Analysis Cadmium Dissolved



1.4418e-3 1.6410e-3 1.2150e-3 3.5624e-4 8.2340e-4 4.1396e-4 3.0492e-3 5.1828e-4 9.7020e-4 1.4382e-4

1.7420e-4 3.7842e-4 2.4128e-4 1.3524e-4





1.4418e-3 1.5583e-3 1.2366e-3 3.8308e-4 8.5920e-4 4.1920e-4 3.1581e-3 5.4913e-4 9.7020e-4 1.3770e-4

1.7420e-4 4.2665e-4 2.2880e-4 1.3622e-4




Copper Dissolved



4.2720e-4 1.1170e-3 4.0500e-5 8.0520e-5 3.7590e-4 1.2838e-4 2.1780e-3 2.3446e-4 1.9602e-4 4.3860e-5

8.7100e-5 1.4469e-4 7.9040e-5 2.9400e-5





1.0680e-3 1.9030e-3 1.6700e-3 1.5616e-4 7.3390e-4 1.5982e-4 7.0785e-3 4.0105e-4 8.3160e-4 5.4060e-5

1.3266e-4 2.5599e-4 8.9440e-5 3.9200e-5




Iron Dissolved



1.0680e-3 8.2740e-3 8.8236e-4 2.6800e-4 2.8640e-3 4.0293e-3

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 2:28:53 p.m. Group N Missing Median 25% 75% Before ('07-'09) 7 3 0.00197 0.000975 0.00345 After ('13-'15) 5 3 0.00427 0.000268 0.00827 Mann-Whitney U Statistic 4.000 T = 7.000 n(small)= 2 n(big)= 4 P(est.)= 0.817 P(exact)= 1.000 The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 1.000)




0.0160 0.0276 0.0227 0.0112

7.3390e-3 1.3100e-3 0.0446 5.3679e-3 0.0109 3.2640e-4

1.9028e-3 2.2260e-3 5.6160e-4

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 2:30:26 p.m. Group N Missing Median 25% 75% Before ('07-'09) 8 3 0.0160 0.0100 0.0282 After ('13-'15) 11 3 0.00206 0.000936 0.00830 Mann-Whitney U Statistic 6.000 T = 49.000 n(small)= 5 n(big)= 8 P(est.)= 0.048 P(exact)= 0.045 The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.045).



Lead Dissolved



1.6020e-4 1.8892e-3 6.7230e-5 2.6596e-5 2.5060e-4 7.5980e-5 1.3068e-3 2.4063e-4 7.1280e-5 1.6932e-5

2.5326e-5 9.2750e-5 3.9312e-5 1.2838e-5





5.3400e-4 4.6886e-3 8.0541e-4 2.6352e-4 5.9070e-4 1.6506e-4

0.0109 7.7125e-4 7.1280e-4 3.7740e-5

1.8358e-4 3.5245e-4 6.6560e-5 2.3520e-5




Zinc Dissolved



0.3215 0.2372 0.1662 0.0586 0.1181 0.0603 0.4247 0.0796 0.1346 0.0202

0.0268 0.0571 0.0366 0.0172





0.3370 0.2358 0.1705 0.0561 0.1253 0.0603 0.4465 0.0802 0.1426 0.0203

0.0265 0.0672 0.0347 0.0164

t-test Friday, May 06, 2016, 2:38:41 p.m. Normality Test: Passed (P = 0.067) Equal Variance test: Passed (P = 0.107) Group Name N Missing Mean Std Dev SEM Before ('07-'09) 8 3 0.244 0.141 0.0630 After ('13-'15) 12 3 0.0664 0.0673 0.0224 Difference 0.178 t = 3.250 with 12 degrees of freedom. (P = 0.007) 95 percent confidence interval for difference of means: 0.0586 to 0.297 The difference in the mean values of the two groups is greater than would be expected by chance; there is a statistically significant difference between the input groups (P = 0.007).




Cadmium Dissolved



7.0933e-4 1.0104e-3 2.3826e-4 1.3230e-4 3.4145e-3 1.6330e-4 1.4129e-3 2.3136e-4 2.0580e-4 8.8360e-5 7.9310e-4 1.1972e-4 1.4960e-4

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 3:34:35 p.m. Group N Missing Median 25% 75% Before ('07-‘09) 10 3 0.000709 0.000214 0.00126 After ('13-'15) 9 3 0.000148 0.000120 0.000231 Mann-Whitney U Statistic 8.000 T = 29.000 n(small)= 6 n(big)= 7 P(est.)=0.074 P(exact)= 0.073 The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.073)




7.9700e-4 9.6830e-4 2.4662e-4 1.4490e-4 3.3813e-3 1.6330e-4 1.5266e-3 2.5064e-4 2.3100e-4 9.3530e-5 8.5490e-4 1.2464e-4 1.6830e-4

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 3:35:54 p.m. Group N Missing Median 25% 75% Before ('07-‘09) 10 3 0.000797 0.000235 0.00136 After ('13-'15) 9 3 0.000154 0.000125 0.000251 Mann-Whitney U Statistic 8.000 T = 29.000 n(small)= 6 n(big)= 7 P(est.)= 0.074 P(exact)= 0.073 The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.073)



Copper Dissolved



7.1730e-5 9.2620e-4 3.3440e-5 1.0080e-5 6.5836e-5 2.8400e-5 1.9488e-4 1.0363e-4 1.5960e-5 8.9300e-6 3.3990e-4 1.9680e-5 1.4450e-5

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 3:37:31 p.m. Group N Missing Median 25% 75% Before ('07-‘09) 10 3 0.0000658 0.0000203 0.000164 After ('13-'15) 9 3 0.0000240 0.0000101 0.000104 Mann-Whitney U Statistic 16.000 T = 37.000 n(small)= 6 n(big)= 7 P(est.)=0.520 P(exact)= 0.534 The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.534)




4.7820e-5 1.3051e-3 1.7974e-4 5.7960e-5 4.2352e-3 7.4550e-5 1.7864e-3 2.7233e-4 2.5200e-4 4.6060e-5 1.7510e-3 6.2320e-5 1.7000e-4




Iron Dissolved



7.8664e-3 7.9990e-3 4.1800e-5 1.9280e-3 2.0454e-4 1.6400e-4 3.3990e-4 1.6000e-4





9.8828e-3 0.0139 4.3472e-3 0.0139

0.0472 4.8990e-3 0.0276 0.0111

5.0400e-3 7.3320e-3 0.0124 7.6260e-3

3.5700e-3 2.4000e-3 2.0880e-3 1.6000e-3

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 3:45:34 p.m. Group N Missing Median 25% 75% Before ('07-‘09) 10 3 0.00988 0.00452 0.0238 After ('13-'15) 12 3 0.00733 0.00232 0.0118 Mann-Whitney U Statistic 22.000 T = 69.000 n(small)= 7 n(big)= 9 (P= 0.341) The difference in the median values between the two groups is not great enough to exclude the possibility that the difference is due to random sampling variability; there is not a statistically significant difference (P = 0.341)



Lead Dissolved



7.9700e-5 1.2630e-3 4.1800e-6 3.1500e-6 5.8344e-5 1.8460e-5 8.9320e-5 1.0122e-4 8.8200e-6 3.5250e-6 5.1500e-5 9.5120e-6 4.7600e-6 2.3200e-5

1.2760e-5 1.2000e-5





4.9414e-4 2.0208e-3 5.0160e-5 1.6380e-4 1.0807e-3 1.7040e-4 9.4192e-4 5.0610e-4 1.1340e-4 1.2690e-4 7.7250e-4 1.5006e-4 9.0100e-5 1.3920e-4

8.9900e-5 6.9600e-5




Zinc Dissolved



0.0845 0.1600 0.0391 0.0265 0.4426 0.0256 0.1949 0.0412 0.0273 0.0155 0.1133 0.0238 0.0221 0.0192

0.0151 0.0116

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 3:31:05 p.m. Group N Missing Median 25% 75% Before ('07-‘09) 10 3 0.0845 0.0302 0.174 After ('13-'15) 12 3 0.0238 0.0154 0.0301 Mann-Whitney U Statistic 11.000 T = 80.000 n(small)= 7 n(big)= 9 (P= 0.034) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.034)




0.0917 0.1558 0.0417 0.0277 0.4719 0.0263 0.2274 0.0419 0.0315 0.0193 0.1236 0.0246 0.0238 0.0208

0.0151 0.0112

Mann-Whitney Rank Sum Test Friday, May 06, 2016, 3:32:12 p.m. Group N Missing Median 25% 75% Before ('07-‘09) 10 3 0.0917 0.0340 0.201 After ('13-'15) 12 3 0.0246 0.0182 0.0313 Mann-Whitney U Statistic 11.000 T = 80.000 n(small)= 7 n(big)= 9 (P= 0.034) The difference in the median values between the two groups is greater than would be expected by chance; there is a statistically significant difference (P = 0.034)


Mann Kendall Summary_Last 3 years App G.xlsx PATTLE DELAMORE PARTNERS LTD

Site Name = SW3 + SW5 Combined - '13, '14, '15

Compound -> Sulphate Cd Dissolved Cd Total Fe Total Pb Total Zn Dissolved Zn TotalMass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux

Event Sampling Date (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blank (leave blankNumber (most recent last) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data) if no data)

1 26/09/2013 1084.000 0.042 0.041 19.010 0.099 13.800 14.9002 17/10/2013 1203.000 0.038 0.041 20.400 0.138 14.300 14.3003 13/11/2013 1162.000 0.032 0.033 21.260 0.125 11.900 12.7004 22/10/2014 1080.000 0.049 0.047 17.760 0.118 14.500 14.6005 13/11/2014 881.000 0.039 0.040 17.300 0.093 12.300 11.8006 23/09/2015 714.000 0.024 0.026 10.420 0.116 7.700 8.5007 15/10/2015 701.000 0.030 0.031 12.700 0.115 9.000 9.3008 11/11/2015 703.000 0.039 0.039 10.290 0.083 8.700 8.9009

10

Mann Kendall Statistic (S) = -22.0 -7.0 -10.0 -20.0 -14.0 -14.0 -20.0Number of Rounds (n) = 8 8 8 8 8 8 8

Average = 941.00 0.04 0.04 16.14 0.11 11.53 11.88Standard Deviation = 216.012 0.008 0.007 4.397 0.018 2.711 2.673

Coefficient of Variation(CV)= 0.230 0.210 0.181 0.272 0.163 0.235 0.225


Trend ≥ 80% Confidence Level DECREASING No Trend DECREASING DECREASING DECREASING DECREASING DECREASINGTrend ≥ 90% Confidence Level DECREASING No Trend No Trend DECREASING DECREASING DECREASING DECREASING

Stability Test, If No Trend Exists at CV <= 1 80% Confidence Level NA STABLE NA NA NA NA NA

Data Entry By = DK Date = 12-May-16 Checked By =




Site Name = SW3 - '13, '14, '15

Compound -> Sulphate Cd Dissolved Cd Total Cu Dissolved Cu Total Fe Total Pb Dissolved Pb Total Zinc Dissolved Zinc TotalMass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux


1 26/09/2013 24 0.032 0.03 0.08 0.104 0.210 0.055 0.096 4.500 4.2002 17/10/2013 53 0.027 0.029 0.031 0.072 0.600 0.018 0.135 4.900 4.4003 13/11/2013 32 0.02 0.02 0.036 0.058 0.260 0.046 0.123 2.900 2.9004 24/09/2014 22 0.0112 0.0116 0.022 0.032 0.166 0.057 0.095 1.740 1.6805 22/10/2014 60 0.042 0.04 0.036 0.093 0.660 0.012 0.118 6.700 6.8006 13/11/2014 41 0.033 0.033 0.034 0.081 0.500 0.010 0.092 5.200 4.8007 23/09/2015 34 0.021 0.023 0.035 0.061 0.320 0.044 0.115 3.400 3.6008 15/10/2015 41 0.027 0.027 0.04 0.07 0.400 0.034 0.114 4.300 4.2009 11/11/2015 53 0.036 0.035 0.034 0.082 0.490 0.008 0.081 4.300 4.200

10

Mann Kendall Statistic (S) = 10.0 5.0 4.0 -2.0 -2.0 6.0 -16.0 -16.0 -1.0 1.0Number of Rounds (n) = 9 9 9 9 9 9 9 9 9 9




Trend ≥ 80% Confidence Level INCREASING No Trend No Trend No Trend No Trend No Trend DECREASING DECREASING No Trend No TrendTrend ≥ 90% Confidence Level No Trend No Trend No Trend No Trend No Trend No Trend DECREASING DECREASING No Trend No Trend

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 CV <= 1 80% Confidence Level NA STABLE STABLE STABLE STABLE STABLE NA NA STABLE STABLE


Site Name = SW5 - '13, '14, '15

Compound -> Sulphate As Dissolved As Total Cd Dissolved Cd Total Fe Dissolved Fe Total Pb Total Zn Dissolved Zn TotalMass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux


1 26/09/2013 1060.000 0.028 0.030 0.010 0.011 18.700 18.800 0.003 9.300 10.7002 17/10/2013 1150.000 0.025 0.027 0.011 0.012 18.600 19.800 0.003 9.400 9.9003 13/11/2013 1130.000 0.023 0.029 0.012 0.013 17.100 21.000 0.002 9.000 9.8004 22/10/2014 1020.000 0.020 0.031 0.007 0.007 13.900 17.100 0.000 7.800 7.8005 13/11/2014 840.000 0.021 0.032 0.006 0.007 13.900 16.800 0.001 7.100 7.0006 23/09/2015 680.000 0.016 0.021 0.003 0.003 7.300 10.100 0.001 4.300 4.9007 15/10/2015 660.000 0.018 0.027 0.003 0.004 8.700 12.300 0.001 4.700 5.1008 11/11/2015 650.000 0.018 0.026 0.003 0.004 7.100 9.800 0.002 4.400 4.7009

10

Mann Kendall Statistic (S) = -24.0 -22.0 -7.0 -18.0 -17.0 -25.0 -20.0 -8.0 -22.0 -26.0Number of Rounds (n) = 8 8 8 8 8 8 8 8 8 8




Trend ≥ 80% Confidence Level DECREASING DECREASING No Trend DECREASING DECREASING DECREASING DECREASING DECREASING DECREASING DECREASINGTrend ≥ 90% Confidence Level DECREASING DECREASING No Trend DECREASING DECREASING DECREASING DECREASING No Trend DECREASING DECREASING

Stability Test, If No Trend Exists at CV <= 1 80% Confidence Level NA NA STABLE NA NA NA NA NA NA NA




Site Name = SW7 - '13, '14, '15

Compound -> Cd Dissolved Cd Total Cu Dissolved Cu Total Fe Total Pb Dissolved Pb Total Zn Dissolved Zn TotalMass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux


1 26/09/2013 0.0119 0.0113 0.0081 0.0138 0.2 0.014 0.034 1.720 1.7102 17/10/2013 0.0146 0.0157 0.0033 0.0064 0.46 0.001 0.011 2.400 2.3003 12/11/2013 0.0158 0.016 0.0049 0.0061 0.05 0.003 0.006 2.300 2.3004 14/09/2014 0.0084 0.0089 0.0038 0.0065 0.087 0.004 0.013 1.290 1.3005 22/10/2014 0.0141 0.0135 0.0043 0.0053 0.032 0.002 0.004 1.980 1.9906 13/11/2014 0.013 0.013 0.0065 0.0099 0.142 0.002 0.014 2.000 1.9807 23/09/2015 0.0102 0.0115 0.0039 0.0069 0.06 0.003 0.010 1.540 1.8108 15/10/2015 0.0116 0.011 0.0038 0.0043 0.027 0.002 0.003 1.760 1.6709 11/11/2015 0.0138 0.0139 0.003 0.004 0.001 0.002 1.760 1.670

10

Mann Kendall Statistic (S) = -6.0 -4.0 -13.0 -16.0 -14.0 -11.0 -20.0 -7.0 -14.0Number of Rounds (n) = 9 9 9 9 8 9 9 9 9

Average = 0.01 0.01 0.00 0.01 0.13 0.00 0.01 1.86 1.86Standard Deviation = 0.002 0.002 0.002 0.003 0.145 0.004 0.010 0.351 0.322

Coefficient of Variation(CV)= 0.184 0.181 0.359 0.437 1.097 1.152 0.907 0.189 0.173


Trend ≥ 80% Confidence Level No Trend No Trend DECREASING DECREASING DECREASING DECREASING DECREASING No Trend DECREASINGTrend ≥ 90% Confidence Level No Trend No Trend No Trend DECREASING DECREASING No Trend DECREASING No Trend DECREASING

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 CV <= 1 80% Confidence Level STABLE STABLE NA NA NA NA NA STABLE NA


Site Name = SW15 - '13, '14, '15

Compound -> Cd Dissolved Cd Total Cu Dissolved Cu Total Pb Dissolved Pb Total Zn Dissolved Zn TotalMass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux


1 24/09/2014 0.006 0.006 0.006 0.007 0.001 0.001 1.100 1.0902 22/10/2014 0.006 0.006 0.008 0.008 0.000 0.001 1.080 1.1003 13/11/2014 0.006 0.006 0.009 0.008 0.001 0.001 1.110 1.0604 23/09/2015 0.008 0.009 0.007 0.010 0.001 0.001 1.610 1.7505 15/10/2015 0.008 0.008 0.006 0.008 0.000 0.001 1.550 1.4806 11/11/2015 0.009 0.008 0.007 0.008 0.000 0.000 1.600 1.470789

10

Mann Kendall Statistic (S) = 9.0 6.0 -1.0 7.0 -5.0 -9.0 9.0 5.0Number of Rounds (n) = 6 6 6 6 6 6 6 6




Trend ≥ 80% Confidence Level INCREASING INCREASING No Trend INCREASING No Trend DECREASING INCREASING No TrendTrend ≥ 90% Confidence Level INCREASING No Trend No Trend No Trend No Trend DECREASING INCREASING No Trend

Stability Test, If No Trend Exists at CV <= 1 CV <= 1 CV <= 1 80% Confidence Level NA NA STABLE NA STABLE NA NA STABLE




Site Name = SW100 - '13, '14, '15

Compound -> Cd Dissolved Cd Total Cu Dissolved Cu Total Fe Total Pb Dissolved Pb Total Zn Dissolved Zn TotalMass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux


1 26/09/2013 0.024 0.023 0.022 0.031 0.330 0.030 0.048 3.800 3.7002 17/10/2013 0.021 0.023 0.002 0.009 2.200 0.001 0.026 4.200 4.4003 13/11/2013 0.023 0.023 0.004 0.011 0.690 0.003 0.024 3.600 3.7004 24/09/2014 0.010 0.010 0.004 0.011 0.460 0.004 0.021 1.710 1.7405 22/10/2014 0.019 0.020 0.002 0.010 1.560 0.001 0.027 3.300 4.1006 13/11/2014 0.015 0.015 0.002 0.008 0.930 0.001 0.018 2.900 3.0007 23/09/2015 0.014 0.015 0.004 0.008 0.300 0.003 0.017 2.400 2.6008 15/10/2015 0.015 0.014 0.003 0.006 0.360 0.002 0.016 2.600 2.6009 11/11/2015 0.017 0.017 0.003 0.006 0.400 0.003 0.017 2.900 2.800

10

Mann Kendall Statistic (S) = -16.0 -17.0 -4.0 -24.0 -8.0 2.0 -27.0 -17.0 -14.0Number of Rounds (n) = 9 9 9 9 9 9 9 9 9

Average = 0.02 0.02 0.01 0.01 0.80 0.01 0.02 3.05 3.18Standard Deviation = 0.005 0.005 0.006 0.008 0.662 0.009 0.010 0.768 0.851

Coefficient of Variation(CV)= 0.274 0.262 1.252 0.699 0.824 1.780 0.417 0.252 0.268


Trend ≥ 80% Confidence Level DECREASING DECREASING No Trend DECREASING No Trend No Trend DECREASING DECREASING DECREASINGTrend ≥ 90% Confidence Level DECREASING DECREASING No Trend DECREASING No Trend No Trend DECREASING DECREASING DECREASING

Stability Test, If No Trend Exists at CV > 1 CV <= 1 CV > 1 80% Confidence Level NA NA NON-STABLE NA STABLE NON-STABLE NA NA NA


Site Name = SW101 - '13, '14, '15

Compound -> Cd Dissolved Cd Total Cu Dissolved Cu Total Pb Dissolved Pb Total Zn Dissolved Zn TotalMass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux Mass Flux


1 26/09/2013 0.015 0.013 0.009 0.010 0.127 0.142 1.650 1.5702 17/10/2013 0.017 0.018 0.006 0.006 0.161 0.170 2.200 1.9303 13/11/2013 0.016 0.016 0.005 0.005 0.155 0.157 1.870 1.7104 22/10/2014 0.013 0.013 0.006 0.006 0.135 0.138 1.450 1.3605 13/11/2014 0.017 0.016 0.005 0.006 0.168 0.186 1.830 1.8006 23/09/2015 0.017 0.017 0.008 0.008 0.190 0.199 2.000 1.9107 15/10/2015 0.017 0.018 0.006 0.007 0.141 0.156 1.940 2.1008 11/11/2015 0.017 0.015 0.005 0.005 0.187 0.161 2.000 1.8309 0.018 0.018 0.005 0.005 0.173 0.178 2.000 1.820

10

Mann Kendall Statistic (S) = 15.0 10.0 -13.0 -12.0 16.0 10.0 11.0 10.0Number of Rounds (n) = 9 9 9 9 9 9 9 9




Trend ≥ 80% Confidence Level INCREASING INCREASING DECREASING DECREASING INCREASING INCREASING INCREASING INCREASINGTrend ≥ 90% Confidence Level INCREASING No Trend No Trend No Trend INCREASING No Trend No Trend No Trend

Stability Test, If No Trend Exists at 80% Confidence Level NA NA NA NA NA NA NA NA


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