R Reactor Seepage Basins Soil Moisture and Resistivity ...

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WSRC-TR-99-00330

R Reactor Seepage Basins Soil Moisture and Resistivity FieldInvestigation Using Cone Penetrometer Technology, SavannahRiver Site, Aiken, South Carolina

by

M. K. Harris

WestinghouseSavannah River CompanySavannah River SiteAiken, South Carolina29808

J. V. Noonkester

DOE ContractNo. DE-AC09-96SR1 8500

This paper was prepared in connectionwithwork done underthe above contractnumberwiththe U. S.Departmentof Energy. By acceptanceof this paper, the publisherancf/orrecipientacknowledgesthe U. S,Government’srightto retaina nonexclusive,royalty-freelicensein and to any copyrightcoveringthis paper, alongwiththe rightto reproduceand to authorizeothersto reproduceall or part of the copyrightedpaper.

WSRC-TR-99-O0330Rev. O

R Reactor Seepage Basins Soil Moisture and ResistivityField Investigation using Cone Penetrometer Technology,Savannah River Site, Aiken, South Carolina (U)

Mary K. Harris, Jay V. Noonkester

September 1999

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Prepared by: ● “X4

Westinghouse Savannah River CompanyAA~—~ pm ~—~ cc*- $

Savannah River Site ~ == “~: == ~

Aiken, SC 29808>ZD-AZ- .—

SAVANNAH RIVER SITE

Prepared for the U.S. Department of Energy UnderContract Number DE-AC09-96SR18500 ~

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ii WSRC-TR-99-O0330, Rev. O,RRSB Soil Moisture and Resistivity Field Investigation with CPT I

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WSRC-TR-99-O0330Rev. O

I

BR Reactor Seepage Basins Soil Moisture and Resistivity

I Field Investigation using Cone Penetrometer Technology,Savannah River Site, Aiken, South Carolina (U)

9

Mary K. Harris, Jay V. Noonkester

September 1999

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Prepared by: ● “J+

Westinghouse Savannah River Company44 =—~*= - m—v‘c-D- *

Savannah River Site Jf --= ~: == ~&mma&m

Aiken, SC 29808. -—

SAVANNAH RIVER SITE

Prepared for the U.S. Department of Energy UnderContract Number DE-AC09-96SR18500

ii WSRC-TR-99-O0330, DRAFT, RRSB Soil Moisture and Resistivitv Field Investigation with (2PT

R Reactor Seepage Basins Soil Moisture and Resistivity Field Investigation using Cone

Penetrometer Technology, Savannah River Site, Aiken, South Carolina

Authentication and Approvals:

\z13\ ’17%“

M.K!. Harris, SRTC Date

/24/32

J. V.%oonkester, SRTC i Date

Date

/onnenberg, SRTC, M Date

WSRC-TR-99-O0330, Rev. O, RRSB Soil Moisture and Resistivity Field Investigation with CPT “””111

EXECUTIVE SUMMARY

Recent and historical water table levels at the R Reactor Seepage Basins (RRSBS) suggest

that a “perched” water table may exist directly beneath the RRSBS based on regulatory

documentation and groundwater modeling. Additional studies were conducted in the summer

of 1999 of the shallow groundwater system to determine if the water beneath the RRSBS is

actually perched or whether the shallow water table is in direct communication with the

underlying “transmissive zone”. Direct Push or Cone Penetrometer Technology (CPT) was

used to investigate the shallow water table beneath the basins. CPT soil moisture and

resistivity tests combined with CPT lithologic data (tip, sleeve, friction ratio, and pore

pressure) were performed at 10 locations. The CPT pushes were pushed to approximately

105’ to obtain a saturation profile from the surface to the top of the “transmissive zone” in

the Upper Three Runs Aquifer. Shelby tube samples were taken with the soil moisture

analysis to validate and confirm moisture percentage.

Upon completion of the field investigation the following sources of data were integrated to

determine the characteristics of the shallow water table:

. CPT data (moisture%, resistivity data, pore pressure, tip, sleeve, and friction ratio)

● Permeability data

● Water level and potentiometric data to determine head relations

. Contaminant Data

All the data indicate that perched water conditions occur on a seasonal basis during extremely

wet periods as were experienced in the spring of 1998. There is significantly less mounding

of the water table beneath the RRSBS with water levels being 10–15 feet lower during 1999.

This is due to the “draining” of the upper water table due to dry conditions in the summers of

both 1998 and 1999 along with the effects of the asphalt cover over the basins. CPT data

further indicates that the 1998 water levels were located on top of silty and clayey layers in

March 1998. In addition, the confining-like characteristics of the “A” and “AA” horizons

and the positive potentiometric surface of the underlying “Transrnissive” zone impede

vertical movement of groundwater from the surface to the “transmissive zone”. This

interpretation is corroborated by the extent of Sr-90 contamination in the upper water table

DU zone &d the absence of Sr-90 contamination in the lower DL (“transmissive” zone).

Therefore, contamination from the Principal Threat Source Material (PTSM) associated with

the RRSBS will not easily migrate into the underlying “transmissive zone”.

iv WSRC-TR-99-O0330, Rev. O, RRSB Soil Moisture and Resistivity Field Investigation with CPT

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WSRC-TR-99-O0330, Rev. O, RRSB Soil Moisture and Resistivity Field Investigation with CPT v

Table of Contents

9 EXECUTIVE SUMMARY...

..........................................................................................................1111.0 Introduction ..........................................................................................................................*. 1

1.1 Hydrogeology and Extent of Contamination ..................................................................... 11.2 Field Characterization Methodology using the Cone Penetrometer Soil Moisture &Resistivity Probe ..........................................................................................................................

2.0 Field data acquisition and sampling results ......................................................................... :3.0 Interpretation ......................................................................................................................... 64.0 Summary ................................................................................................................................. 8

9

5.0 Recommendations .................................................................................................................. 9REFERENCES ............................................................................................................................ 24

Ivi WSRC-TR-99-O0330, Rev. O, RRSB Soil Moisture and Resistivity Field Investigation with CPT

List of Tables and Figures D

Table 1: Name and locations of the RR CPTS.................................................................................................. 3

Table 2: Laboratory Results from RR-3, RR-7, and RR-9 ............................................................................. 5

Figure 1:

Figure 2:

Figure 3:

Figure 4:

Location of the R Reactor Seepage Basins within R Reactor Area. ............................................ 11

Conceptual Hydrogeologic Diagram for the R Reactor Seepage Basins ..................................... 12

Water Table Map – DU screen zone – March 1998, Contour Interval = 5 Ft . ......................... 13

Transmissive zone Potentiometric Surface – DL screen zone – March 1998, Contour Interval=5 Ft . ............................................................................................................................................................ 14

Figure 5: Soil Moisture Probe CPT Locations ............................................................................................... 15

Figure 6: Areal Extent of Contamination illustrating 2 CPT pushes inside fenced area ............................ 16

Figure 7: CPT RR-03 illustrating Friction Ratio, Pore Pressure, Resistivity, and Volume % moisturewith March 1998 and June 1999 water levels from the DU and DL screens of Well RPC-1 .............17

Figure 8: CPT RR-07 iHustrating Friction Ratio, Pore Pressure, Resistivity, and Volume % moisturewith March 1998 and June 1999 water levels from the DU and DL screens of Well RPC-1 .............18

Figure 9: CPT RR-09 illustrating Friction Ratio, Pore Pressure, Resistivity, and Volume YO moisturewith March 1998 and June 1999 water levels from the DU and DL screens of Well RPC-1 .............19

Figure 10: East-West Cross-Section with CPT RR-09, RR-19A, RR-3 illustrating volume % moistureand resistivity CPT curves with March 98 and June 99 DU and DL water elevations plotted.Traverse for cross-section is located on Figure 5....................................... .. .... ................................. ..... 20

Figure 11: Three-dimensional grid of volume percent moisture. Yellow and red area indicate saturatedzone. .......................................................................................................................... ................................. 21

Figure 12: Water Table Map – DU screen zone – June 1999, Contour Interval = 5 Ft . .......................... 22

Figure 13: Transmissive zone Potentiometric Surface – DL screen zone – June 1999, Contour Interval =

WSRC-TR-99-O0330, Rev. O, RRSB Soil Moisture and Resistivity Field Investigation with CFT 1

1.0 Introduction

Recent and historical water table levels at the R Reactor Seepage Basins (RRSBS) (Figure 1)

suggest that a “perched” water table may exist directly beneath the basins. Recent regulatory

documentation (WSRC, 1998) and groundwater modeling (Jones and others, 1998) both

indicated that additional study of the shallow groundwater system is needed to determine if

the water beneath the RRSBS is actually perched or whether the shallow water table is in

direct communication with the underlying “transmissive zone”. The understanding of the

shallow water table in relation to the hydrology of the area is essential for the ongoing

feasibility study for the waste unit. Whether or not the water table is perched may impact the

remedial alternative selection for the Principal Threat Source Material (PTSM). If the water

table is “perched”, then it is part of the soil column above the “Transmissive zone” (which

would become the first viable aquifer zone). If this is the case soil leachability would be

considered from the contaminant source to the “transrnissive zone for the purpose of remedial

technology selection”. The focus of this report is the summer 1999 investigation of the

shallow groundwater system using cone penetrometer technology (CPT) characterization

methods to determine if the water table is perched beneath the RRSBS.

The characterization plan for this study was documented in a Workplan Addendum outlining

additional field characterization for the RRSB Workplan/RFI/RI for the RRSB (WSRC,

1999a).

1.1 Hydrogeology and Extent of Contamination

There are four hydrostratigraphic units that are important to contaminant migration. Figure 2

is a conceptual hydrogeological model for the RRSB area. The seepage basins are located in

undifferentiated surface soils of varying thickness. The “A” and “AA” horizons immediately

beneath the seepage basins, and correspond to the Upland Unit and Tobacco Road Formation.

The “A” and “AA” horizons both are similar to confining units with relatively low hydraulic

conductivities (average 1.Ox10-7 crnlsc and 1.Ox10-6 cmlsec, respectively). The

“Transmissive” zone underlies the “AA” horizon, and correlates to the Irwinton Sand of the

Dry Branch Formation. This zone has relatively high hydraulic conductivity averaging

1.Ox10-4crnlsec.

Groundwater is present in the “A” and “AA” horizons and the “Transmissive” zone. The

hydraulic characteristics of the “A” and “AA” horizons are not well understood because these

strata behave more like confining units than aquifers. The vertical mobility of the

2 WSRC-TR-99-O0330, Rev. O, RRSB Soil Moisture and Resistivity Field Investigation with CPT

groundwater within these low permeability units is also not well understood. Figure 2

illustrates how the groundwater in the “A” and “AA” (DU) horizons is at similar head to the

potentiometric surface of the “Transmissive” zone (DL) to the west of the waste units. This

is supported by the water table surface of the “A/AA” and potentiometric surface of the

“Transrnissive” zone (Figures 3 and 4). In the area underlying the RRSBS the groundwater

surface associated with the “Transmissive” zone (DL) drops toward the “Old” R Area

Discharge Canal, which indicates the aquifer discharges into the canal. However, in the same

area the water table surface associated with the “AlAA” horizon (DU) is relatively flat lying

when compared to the “Transmissive” zone (DL) which suggests minimal connection

between the two water bearing units.

The majority of the Contaminants of Concern (COCS) associated with PTSM have not

migrated significantly within the vadose zone, and tend to remain within the contaminated

soils in the backfilled basins. However, a portion of the Sr-90 associated with the PTSM, has

migrated to the groundwater within the “A” horizon. Am-241, Pu239/240 are also

contaminant migration constituent of concern (CMCOCS) are therefore predicted to migrate

from the PTSM to the groundwater at activities above their respective maximum contaminant

level (MCL). The potential for migration of contaminants in the groundwater within the “A”

horizon, to deeper stratigraphic units, is dependent upon the connection between the water

bearing units. Therefore it is very important to have a good understanding of the hydraulic

characteristics of these hydrostratigraphic units, and the degree of connectivity of the units, to

make good predictions of contaminant transport. In addition, this information is critical to a

proper selection of remedial alternatives.

1.2 Field Characterization Methodology using the Cone Penetrometer Soil Moisture&

Resistivity Probe

Soil Moisture Probes were evaluated at the Savannah River Site in 1996 and 1997 (Argonne

National Laboratory, 1997) through the Site Characterization and Analysis Penetrometer

System. The soil moisture probe is used in conjunction with direct push technology to obtain

real-time data to measure subsurface volumetric soil moisture. Shelby tube samples are taken

with the soil moisture analysis to validate and confirm moisture percentage. In addition,

resistivity log profiles were used in conjunction with the soil moisture percentage

measurements. Based on prior studies conducted at the SRS, the soil moisture percentages

increase as the probe approaches the saturated zone, while the resistivity decreases with the

WSRC-TR-99-O0330, Rev. O, RRSB Soil Moisture and Resistivity Field Investigation with CPT 3

increase in water in the pore space of the sediments (WSRC, 1999, Argonne National Labs,

1997).

CPT soil moisture and resistivity tests combined with CPT lithologic data (tip, sleeve,

friction ratio, and pore pressure) were performed at 10 locations (Figure 5 and Table 1). The

CPT pushes were pushed to approximately 105’ through the undifferentiated surface soils,

“A” Horizon and “AA” Horizon to obtain a saturation profile from the surface to the top of

the “transmissive zone” in the Upper Three Runs Aquifer. The CPT pushes were terminated

at the top of the “Transmissive zone”. Two of the CPT pushes (RR-19A and 19-B) were

inside the RRSB fence (Figure 5), and required RCO/HP coverage. The locations within the

RRSB fenced area were chosen based on the RRSB RFI/RI characterization work that

delineated the extent of contamination (Figure 6). The locations are in non-contaminated

areas within the fence (Figure 5 & 6).

The remaining 8 pushes were completed outside the fence and did not require RCO/HP

coverage (Figure 5). All of the locations are being done near existing lithologic pushes to

maximize hydrogeologic data in the area for interpretive purposes. Shelby tubes were

collected at 3 locations for soil moisture percentage and porosity. Shelby tube samples were

collected, sealed, and stored according to WRSC-3Q5.

I CPT ID I SRSE I SRSN I Elevation II RR-19A I 75349.1 I 57966.3 I 306.63 II RR-19B I 75534.1 I 57887 I 306.63 I

RR-3 75745.5 58111.6 305.7

RR-4 75727.98 58380.3 299.2

I RR-5 I 75609 I 58798.8 I 301.4 IJ

RR-6 75115.7 58891.3 297.8

RR-7 74692.2 58785.6 299.1

RR-8 74657.5 58283.4 299.9

RR-9 74512.2 57895.8 297.6

RR-10 74538.6 57354 291.6

Table 1: Name and locations of the RR CPTS


2.0 Field data acquisition and sampling results

Field data acquisition began on 6/14/99 and ended

are reported in Appendix A. Initially, electrical

I9

on 7/1/99. Details of the daily activities

connection problems required repeating Iseveral of the pushes to ensure quality data was collected. Other than the electrical m

malfunctions, the remaining field work went smoothly. Appendix B contains plots of the 10

pushes with sleeve and tip stress, friction ratio, pore pressure, resistivity, and volume percent I

moisture plotted.

Shelby Tube Samples were collected at RR-3, RR-7, and RR-9. Table 2 summarizes the

results. Figures 7 -9 illustrates the sample locations and percentages in relation to the CPT

data and June water levels at nearby RPC-3 DU and DL. Soil samples were taken in clear B

tubing in four foot sections. The samples were then examined to determine where to take the

sample based on the CPT results and lithologic type. Samples were analyzed by LAW I

Engineering and Environmental Services in Atlanta, GA for Grain Sieve Wash 200 (ASTM

D422) and volumetric soil moisture content, density and porosity (EM1 110-2-1906). IAppendix C provides the detailed results from LAW Engineering and Environmental

Services.

Samples were taken at RR-3 beginning at a depth of 5 feet. A total of 10 samples were taken

ending at 101.5 feet. Again, samples were taken based on the lithology and in relation to the 9

response on the CPT moisture percentage curve (Figure 7). Generally, the results match well

with the laboratory results and the predicted moisture from the CPT probe. In the upper 30I

feet of RR-3 there is variability of approximately 15% moisture percentage in interbedded

sandy, silty and clayey sediments. In the lower portion of RR-3 the moisture percentage is

relatively stable with variability of approximately 10Yo.

9


Sample SRSE SRS N Ground Sample Moisture Wet Dry Spec.

ID Elev. Depth (ft.) Content% Density Density Gravity

pcf pcf

RR-03- 75745.5 58111.6 305.7 5.0- 6.0 9 101.4 93 2.66

RR-03- 75745.5 58111.6 305.7 10.5 -11.5 15.4 117.7 102.1 2.68

RR-03- 75745.5 58111.6 305.7 14.0 -15.0 6.3 109.9 103.5 2.62

RR-03- 75745.5 58111.6 305.7 18.0-19 20 113.8 94.9 2.66

RR-03- 75745.5 58111.6 305.7 20.5 -21.5 22 113.1 92.7 2.68

RR-03- 75745.5 58111.6 305.7 22.5 -23.5 22.7 118.1 96.3 2.68

RR-03- 75745.5 58111.6 305.7 26.0 -27.0 18.6 116.0 97.8 2.71

RR-03- 75745.5 58111.6 305.7 57.5 -58.5 20.4 116.2 96.5 2.64

RR-03- 75745.5 58111.6 305.7 83.5 -84.5 29.9 115.2 88.6 2.61

RR-03- 75745.5 58111.6 305.7 100.5- 26.4 117.5 92.9 2.65

RR-07- 74692.2 58785.6 299.1 3.0- 4.0 19.1 113.4 95.2 2.64

RR-07- 74692.2 58785.6 299.1 11.0 -12.0 12.5 113,1 100.6 2.65

RR-07- 74692.2 58785.6 299.1 13.5 -14.5 10.8 105.4 95.2 2.62

RR-07- 74692.2 58785.6 299.1 16.5 -17.5 14.7 103.7 90.3 2.63

RR-07- 74692.2 58785.6 299.1 18.0 -19.0 19.8 107.4 89.6 2.66

RR-07- 74692.2 58785.6 299.1 22.0 -23.0 14.1 101.6 89.1 2,67

RR-09- 74512.2 57895.8 297.6 6.0- 7.0 10.8 101,5 91.6 2.65

RR-09- 74512.2 57895.8 297.6 10.0 -11.0 16.3 117.2 100.8 2.66

RR-09- 74512.2 57895.8 297.6 14.0 -15.0 27.7 110.5 86.5 2.68

RR-09- 74512.2 57895.8 297.6 18.0 -19.0 19.1 112.4 94.4 2.65

RR-09- 74512.2 57895.8 297.6 22.0 -23.0 18.3 115.4 97.6 2.66

RR-09- 74512.2 57895.8 297.6 26.0 -27.0 16.9 116.7 99.9 2.65

Table 2: Laboratory Results from RR-3, RR-7, and RR-9

Porosity

0.44

0.39

0.37

0.43

0.45

0.42

0.42

0.41

0.46

0.44

0.42

0.39

0.42

0.45

0.46

0.47

0.45

0.39

0.48

0.43

0.41

0.4

6 WSRC-TR-99-O0330,Rev. O,RRSB Soil Moisture and Resistivity Field Investigation with CPT

Samples were taken at RR-7 beginning at 3 feet. A total of 6 samples were taken ending at

23 feet. The agreement is good for the correlation between the laboratory values and CPT

probe predictions for soil moisture. There is approximately 15% variability in the laborato~

values in the highly interbedded sandy, silty, and clayey sediments in the upper 30 feet of ,

RR-7. There is excellent correlation between the lithology defined by the friction ratio with

the pore pressure response, resistivity and moisture percentage curves (Figure 8).

Samples were taken at RR-9 beginning at 6.0 feet. A total of 6 samples were taken ending at

27 feet. Again, agreement is relatively good for the correlation between the laboratory values

and CPT probe predictions for soil moisture. The sediments are not as highly interbedded in

RR-09 as in RR-03 and RR-07. This is reflected in the higher moisture percentage values

around 15 feet. Correlation is good between the Iithology defined by the friction ratio with

the pore pressure response, resistivity and moisture percentage curves (Figure 9).

Figure 10 illustrates an east-west cross-section labeled A – A’ (traverse location on Figure 5)

through sample points RR-9, RR- 19A, and RR-3. The cross-section also illustrates the water

table DU elevations and the “Transmissive” zone potentiometric surface DL elevations in

March 1998 and June 1999. This relation will be discussed in the next section.

Figure 11 is a 3-dimensional grid of the soil moisture probe data over the RRSB data. The

grid illustrates that the lower percent moisture is near the surface in the surface soils and “A”

horizon and the higher percent moisture is correlative with the elevation of the

“Transmissive” zone potentiometric surface. The moisture percentage is relatively stable

below this surface.

3.0 Interpretation

The purpose of the study was to determine if “perched” water conditions exist in the shallow

water table system at the RRSBS, Upon completion of the soil moisture probe and resistivity

study other data was combined to better resolve and understand the characteristics of the

shallow hydrogeology.

The RPC wells that rim the RRSBS (Figure 5) were installed in March 1998. During

installation the region experienced unusually heavy rains from the “El Nine” effect of Pacific

Ocean heating. Upon completion of the well installation water table measurements indicated

an extremely high water table surface, sometimes within 0.5 feet of the ground surface

(Appendix D and Figure 3). The monthly water table measurements begun in August 1998


continue to be collected. The water levels have dropped significantly since March 1998.

Appendix D contains the hydrography for the RPC wells around the RRSBS. Figures 7 – 9

illustrate the water level differences experienced from March 1998 until June 1999 at RPC-

3DU/RR-03, RPC-7DU/RR-07, and RPC-9DU/RR-09. At all three locations the water table

has dropped significantly ranging from 10 – 15 feet with very small differences currently

observed between the upper DU “A/AA” horizon water table screen and the lower DL

“transmissive” zone screen of 2 – 5 feet.

Figures 3 and 4 and Figures 12 and 13 illustrate the March 98 and June 99 water table surface

for the DU screens and DL screens, respectively. Notice, that there is significantly less

mounding underneath the basins in June 99 for the upper water table surface in the DU

screens. This is interpreted to be from the “draining” of the upper water table due to dry

conditions that have been experienced in the summers of both 1998 and 1999 and the effects

of the asphalt cover over the basins. The soil moisture probe data supports this interpretation.

Figures 7 (RR-03) and 8 (RR-07) illustrate that in March 1998 the DU screen zone water

levels were located on top of silty and clayey layers and therefore were exhibiting perched

conditions during that timeframe. During 1999 the DU water levels have dropped and have

stabilized with very little head separation between the DU & DL water elevations. The DU

water levels appears to have little effect on vertical groundwater movement. This is

consistent with the vertical permeabilities and horizontal groundwater flow velocities cited in

the August 1998 RFI/RI/BRA (WSRC, 1998). The average vertical permeability for the “A”

horizon is l. OXIO-Gcrn/sec and the annual horizontal movement is approximately 9.2

cmlyear. This coupled with the positive head conditions of the underlying “transmissive

zone” support the that the PSTM will not easily migrate into the underlying transmissive

zone.

The soil moisture probe CPT data (volume moisture 910,resistivity data, pore pressure, tip,

sleeve, and friction ratio) coupled with the water level data indicate strongly that perched

water conditions occur on a seasonal basis during extremely wet periods as were experienced

in March 1998. However, due to the confining like characteristics of the “A’ and “AA”

horizons and the positive potentiometric surface of the underlying “Transmissive” zone the

vertical movement of groundwater from the surface to the “transmissive zone” is not likely.

This interpretation is corroborated by the extent of Sr-90 contamination in the upper water

table DU zone and the absence of Sr-90 contamination in the lower DL (“transmissive” zone)

as reported in the RFI/RI/BRA (WSRC, 1998).

8 WSRC-TR-99-O0330,Rev. O,RRSB Soil Moisture and Resistivity Field Investigation with (YT

4.0 Summary

Recent and historical water table levels at the RRSBS suggested that a “perched” water table

may exist directly beneath the RRSBS based on regulatory documentation (WSRC, 1998) and

groundwater modeling (Jones and others, 1998). Additional studies were conducted in the

summer of 1999 of the shallow groundwater system to determine if the water beneath the

RRSBS is actually perched or whether the shallow water table is in direct communication

with the underlying “transrnissive zone”.

Direct Push Technology was used to investigate the shallow water table beneath the basins.

CPT soil moisture and resistivity tests combined with CPT lithologic data (tip, sleeve,

friction ratio, and pore pressure) were performed at 10 locations. The CPT pushes were

pushed to approximately 105’ through the undifferentiated surface soils, “A” Horizon and

“AA” Horizon to obtain a saturation profile from the surface to the top of the “transmissive

zone” in the Upper Three Runs Aquifer. Shelby tube samples were taken with the soil

moisture analysis to validate and confirm moisture percentage.

Upon completion of the field investigation the following sources of data were integrated to

determine the characteristics of the shallow water table:

. CPT data (volume

ratio)

. Permeability data

moisture 9ii, resistivity data, pore pressure, tip, sleeve, and friction

● Water level and potentiometric data to determine head relations

. Contaminant Data

All the data indicate that perched water conditions occur on a seasonal basis during extremely

wet periods as were experienced in March 1998. There is significantly less mounding of the

water table beneath the RRSBS with water levels being 10 –15 feet lower during 1999. This

is interpreted to be from the “draining” of the upper water table due to dry conditions in the

summers of both 1998 and 1999 and the effects of the asphalt cover over the basins.

Perched water is also indicated by the lithologic data. Careful examination of the CPT data

and water level data illustrate the March 1998 DU screen water levels were located on top of

silty and clayey layers in March 1998.


Furthermore, the confining like characteristics of the “A” and “AA” horizons (based on

permeability data) and the positive potentiometric surface of the underlying “Transmissive”

zone impede vertical movement of groundwater from the surface to the “transrnissive zone”.

This interpretation is corroborated by the extent of Sr-90 contamination in the upper water

table DU zone and the absence of Sr-90 contamination in the lower DL (“transmissive” zone)

as reported in the RFI/RI/BRA (WSRC, 1998). Therefore, contamination from the PTSM

associated with the RRSBS will not easily migrate into the underlying “transmissive zone”.

5.0 Recommendations

Monitoring of the R Area wells water elevations on a monthly basis should be continued. In

addition, individual monitoring of selected wells should be initiated. Electronic

instrumentation that can measure the water levels on a timed interval should be considered.

This would allow for rain events to be monitored to verify the perching of water on the silty

and clayey layers near the ground surface.

The new piezometers that were installed to monitor water levels near the R-Area Canal

should be measured on a monthly basis. In addition, these wells should be considered for

individual monitoring as well as described above.

Multi-well pumping tests are planned at the RPC-1 and P-20 cluster during FYOO. The

information from these tests should be integrated into the soil moisture/resistivity field

characterization results to further understand the shallow hydrogeology and its relation to

contaminant migration of the PTSM to the subsurface beneath the RRSBS.


This page intentionally left blank.


\

‘h------w4R Reactor Seepage Ba~

.. D

SRSN

True

b

N

Fignre 1: Location of the R Reactor Seepage Basins within R Reactor Area.

12 WSRC-TR-99-O0330. Rev. O. RRSB Soil Moisture and Resistivitv Field Investigation with CFT

Evapdranspiratton

$4,jj

Q

Precipitulton

)( ., j \ --

_- -- -_

Figure 2: Conceptual Hydrogeologic Diagram for the R Reactor Seepage Basins


March 1998 – Upper Water Table Elevation

59500 2*9 { J [A’ 1

\ 1. t

\ /

— Z1 I

Ill lNiYK\\ \ I

w ~ ,,*

mOa:

~~ —

I ,+55000- 2~~2?4

-+’cj-

54500 -

74400 74800 75200 75600 76000 76400 768001“SRS

N77200 TN

b

)’4

F@me 3: Water Table Map – DU screen zone – March 1998, Contour Interval = 5 Ft.


March 1998 – Transmissive zone Potentiometric Surface

SRS..

Tru(

%

N

Figure 4: Transmissive zone Potentiometric Surface - DL screen zone – March 1998,Contour Interval = 5 Ft.


74400 74600 74800 75000 75200 75400 75600 75800 76OOO59200 , , , I , ,

1’ \\\ \ II

SRSN

TNe

59000

If

N

RPC–6*,

RR-07 RR-08*

58800 -.d 1

R 5 %$-5d i75B-34

58600t I LA’

58400 -

58200 -

58000 -

57800 -

57600 -

I RR.,O1L_--’” 19+7

57200 I I 1[

LBBackground @ “Clean” ■ SourceLayer V CPT

*Soil MoistureProbeCPT locations

Figure 5: Soil Moisture Probe CPT Locations


/’R’Reactor seepage B“&J~~.<. ... ... ... ... ........ .... ........ .... .. ....... ....... . ... .. .. .... . . ... .

,,

l~-l=n’-----;”l----------::

Proces:Sewer

Areal Extent ofContamination

200 Feet SRSN

x CPT Locations

Inside Fence

True

b’N

$anitary Sewer

Figure 6: Areal Extent of Contamination illustrating 2 CPT pushes inside fenced area.


%.ktik.f:dim-.

U------.--- lmllo

F@me 7: CPT RR-03 illustrating Friction Ratio, Pore Pressure, Resistivity, andVolume % moisture with March 1998 and June 1999 water levels from the DU and DLscreens of Well RPC-1

18 WSRC-TR-99-O0330, Rev. O. RRSB Soil Moisture and Resistivitv Field Investigation with CPT

?mject: 4569 R-Reactor Seepage Basin 1...,.;e.JCi..a-m59 1

rest m : RE-07:IIZ: SRS, Aiken SC Soil Moisture and Resistiviky Study;CcAmou : F.-Area

l%~?h?.=1. (cm) P.,, PC,.,.,,

O-----------io U–-–--––----25

~-i–--–––—--.——-—----

—

Pesi..ivity

Cdml-m.

O-------- i833O

vol. !4.13 ,”,,(+)

2-----------1OG

4==June 99

I)L

Figure 8: CPT RR-07 illustrating Friction Ratio, Pore Pressure, Resistivity, andVolume % moisture with March 1998 and June 1999 water levels from the DU and DLscreens of Well RPC-1


Project: 4569I!Qst w: SS-09;SXS: SSS, a.iken SCkxamom: u-kr.sa

Rm,o lCOKjiepth, D-----------lil

E-lG

-2G

-30 \

.413 \

-5s

-6G I

9

R-Reactor Seepage Basti

Soil Moisture and Resistivity Stwly

P.e3iscivit-,?“,, Pres, ure oh- .

0-----------15 O-------- llxme

B

!r,l. Ea,*t*e P%;

S-------–---l fflc!

——

—

F@me 9: CPT RR-09 illustrating Friction Ratio, Pore Pressure, Resistivity, andVolume % moisture with March 1998 and June 1999 water levels from the DU and DLscreens of Well RPC-1

------- ------9 -D --

C/l0-!

%

.

. .

Transmkivezane .PatentiametrlcSurface

Moisture

P4Z035.0

? 300

m2s.0

2 C?mg$wrwm’4,0

~igure 11: Three-dimensional grid of volume percent moisture. Yellow and red area indicate saturated zone.

I

c-uw(1)-1

R

WSRC-TR-99-O0330. Rev. O. RRSB Soil Moisture and Resistivitv Field Investigation with CPT 23

June 1999 – Transmissive zone Potentiometric Surface

Figure 13: Transmissive zone Potentiometric Surface – DL screen zone – June 1999,Contour Interval = 5 Ft.


REFERENCES

Argonne National Laboratory, Environmental Research Division, 1997, Evaluation Report:

Study of Three Soil Moisture Probes with Laboratoq Sample Results, Version 01, 8129/97,

Environmental Research Division, Argonne National Laboratory, Argonne, Illinois.

Jones, W.F., Haselow, J. S., Harris, M. K., and Denham, M.E., 1998, Groundwater Flow and

Contaminant Transport for the R-Reactor Seepage Basins (U), WSRC-OS-00011, Rev. O

HydroGeoLogic, Inc., Herndon, VA, 406p. A98

WSRC, 1998, RCRA Facili~ Investigation Remedial Investigation Report with Baseline Risk

Assessment for the R-Reactor Seepage Basins 108-4R Overjlow Basin Operable Unit (U),

WSRC-RP-003 14, Rev. O, August 1998, Westinghouse Savannah River Company, Aiken,

SC 29808.;~

WSRC, 1999, E- Area Vadose Zone Proposed Plan, WSRC-RP-99-4039, Revision O, 30

pages, April 1999, Westinghouse Savannah River Company, Aiken, SC 29808.

WSRC, 1999a, Additional Field Investigation R-Reactor Seepage Basins for Revised

Operable Unit Strategy (U), WSRC-RP-4082, Rev. O, June, 1999, Westinghouse Savannah

River Company, Aiken, SC 29808. ~ ~

Westinghouse Savannah River Company, Current Version, WSRC 3Q5, HydroGeologic

Data Collection Methods, Procedures, and Specifications.

WSRC-TR-99-00330, Rev. O, RRSB Soil Moisture and Resistivity Fleid Investigation

A-1

I

991BI9999

Appendix A – Daily Activities Report

A-2 WSRC-TR-99-O0330. Rev. O, RRSB Soil Moisture and Resistivity Field Investigation


A-3F -Tf2 +$+ CD3ix)o.lss(2.lj.97)

9. Daily Activities Report

;-

B .

.A-4.OSR 30-28. (2.11.97)

Daily Activities Report

I ITechnicalOversightSinature

p (-/5 -77 Ii J

A-5

Daily Activities Report7

Ius;.{:+ IOf& u~fi<qb+;otiOfilllngSubcontfactor

I i

I I

i

I II

II I #

BTechnical OversightSignature Ioale g_/g -99

u-

.

XR JO.2S~ (2-13.97)

Daily Activities Report1

Projed

8 so,”] /??cTAhn5ILbwe Zh Lu6?.sGA)&e) 8uiiT/ &

13contractor

h~ L&k .-Nt.unber edlrllcal Oversirsht IOverwht I-IMS

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Loca’kM‘ted- /2?”79 l“? ~ “’a

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. Daily Activities Report

stat I StOD I t)eauidion ofArAiviialRemarka

I

!

Technical OversightSin Date

<-2-/-Ty

u-’

A-3OSR)0-28s {2-! 1+7)

start i Stoo 1 Deacriotbnof&h&dWma d(a 1

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Technical Oversght Signature

~6-27&?d

3SR10-286 (2-1 )-’77)


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d-z5-77Y .

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9 Daily Activities Report

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9B

I iTechnical Oversigh!S~gnature Date


A-Ex~.& (2. t3.Q7)

Daily ActivitiesReport

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1 1 1 I

...

A-L.SRJ:-lSB (2,1 }-$’7)


Start I Stoll I fkscrbtion of ~ I

\ I

I

II1 1

Techn’kal OversJqhtSqnatme1“”= ?-/- ?9 Iv w

9 WSRC-TR-99-00330, Rev.O, RRSB Soil Moisture and Resistivity Field Investigation B-1

u

I

I

I

B

D

s

Appendix B – Cone Penetrometer Data

w&CD

-----m- m--m--mm -----

WSRC-TR-99-O0330, Rev.O, RRSB Soil Moisture and Resistivitv Field Investigation B-3

-@l

-la

-20

-36

-40

-m

-a-TIT

-m

C&-——----m a-—------z5 &—————m3m

z

0--—-—w3 AW -

f3LW

mu

ma

Zlil

2M

Zw

Z473

Z3U

;~

23J

pa

-25

-20

-xl

-43

-38

-6U

74s

-%0

-ml

-u

w.- stress(W@ T@ SZ.essra%). R3.tia(mm13-——————4m

< -

-

m---—?mnn!i9-

~ .

—

WIL FIsis&d6E (%13-—-–-2IE el.eu -

c

[

290

I

2s5

Z7K

~@-

25U

3

I

245

-“zm

22fi-

210

ZKJ3

T

RR-04

~4 WSRC-TR-99-O0330, Rev.O, RRSB Soil Moisture and Resistivitv Field Investigation

ZOied : 4569-s* 2D: =-OSm : Sus, A,aen Sc-Om : R-Area

sleeve stress(tfs)

:ptb

-lo

-2!3

-30

-40

-50

-60

-70

-80

-90

-10

.n

Ctcx SeeD~—

Soil Moisture and Resistivitv Study~~- ——

Tip stress(tfsl Ratio (COR) Pore e.ess.reltfs>Resi3tivity(0hm-rOJV’J1M.i,tuml%)O---------4OD W----------lu 0---------1s

?

RR-OS

Pr03*et: 4569%St ID: =-06

See~S?az:s=. Ilikul2C Soil Moisture an d Resistivity Studv Ir=am.L0ciwr2w:”E-xr.a

sleeve Stress (tfs>

~ -50

-60

-70

-80

-99

[ -10

Tip stress (tfsl Rat1. (Ccw mm Pms%ure (tfs.} Re. istivity(okmm) VO1 Moisture [%)

0---------4 @cl 0-----------10 0---------25 D------mono 0------–100 ele”.

F

II[291

28[

~27[

26[

25[

24[

>

RR-06

——

I23[

22(

WSRC-TR-99-O0330, Rev.O, RRSB Soil Moisture and Resistivity Field Investigation B-5

3=-

RR-08

a-—-----m +-. I

&6 WSRC-TR-99-O0330, Rev.O . RRSB Soil Moisture and Resistivity Field Investigation9

zolect: 4569!e~t 2D, XE-09

R-Reac tor Saepaa e Basin=: SK, Aikea SC Soil MoLsture and Res i.stivitm studylC1.T206:n-area l~=%?=l

sleeve Stress{tfs} Tip $tless(tfs} Rat10 (CCR)pth 6-----------0

~

-10

-20

-30

-40

-50

-60

-70

-80

-90

-10

0---------480

r

0-----------:

?-

2Pore Pressure <t fs}Rmistivityieh*s)

D---------15 0------1ama

7

I

Vol UOi%mre!%>a----–--mu ekri.

29 Q

Zso

Z70

260

250

240

230

220

210

20u

m: Sxs, Aihn Sc)m.zmil : R-axea

sleeve Sxress!tf3)

lxh-

G

-26

3G

-40

-5C

m

-7e

Em

-90

-:0!

___________~ Tip SZress!Zfs}E---------4CK

——

WSRC-TR-99-O0330, Rev.O, RRSB Soil Moisture and Resistivity Field Investi~ation B-7

!xej.ct: 4569restm: =-19*

~Dsg e BasinI? R?:SRs, Afkem SC Soil ?. foistmre and Resist ivitv studyCx=f2cu:R-rirea ~==ii~——

w hD--

-10

-20

-30

-40

-50

-6CI

-70

-s0

-90

-10

..........- 0 0----–----400

. 13

-2% 1>

R.cio (CcmL?--––-------1O

kRR-19A

‘.05- : 4569 —

M ID: llE-19bme: SSs, - se

. .~

—: E-AX.

Ske.re stress(tfs} Tip stress!tfs} Rs,cio<COWpch 6-----------o a-----–---40D

- m

-2B

-30

-40

-5B

6n

-70

-ED

-90

-1oo

E--------–--1

7!~.2!E_-

Pore Pmsssrefti-l–--------z:

RR-19B

—VOI C+astwe {a

m—-----ma ek .

3m

290

J

2%U

2

Zm

.?53

2ZL?

240

220

220

7?0

D

WSRC-TR-99-00330. Rev. O. RRSB Soil Moisture and Resistivity Field Investigationc-1

mE9B

,9

Appendix C – Shelby Tube Sample Results

c-2 WSRC-TR-99-O0330, Rev. O, RRSB Soil Moisture and Resistivity FieldInvestigation


C-3

I

99

LAW ~LAWGIBB Group Member

3UIY 23,1999

Westinghouse Savannah River CompanyP.o. Box 616A&q South Carolina 29808

Attention Mr. Bruce TriplettBuilding 730-2B, Room 1086!%dxwntractNO.AB8011 IN

SubjeetTransmittaI of Test Resultx r-Reactor Seepage Basin Perch Water ~GeotechnicalTesting servicesWSRC Site Wide - Taak Release No.41Law Engineering ProjectFIo. 50161-7-0108 (phase 41)

Dear Mr. Triplett

Law Engineering and E&ronmental Servieeq Inc. haa completed the aasigned labomtmy teats fm Taak Release No.41 of our 3-year site-wide geoteebnical testing eontraet. We are transmitting to you the tabular and/or graphicalsummary for each of the speeimens tested. A copy of the Labomtoxy Aaaignment Sheet is enclosed with the samplestested - am the final results, thus, we have enclosed two eopiea of the following test msulta fw yourdiatriiutiom

Grainsizewaah200(AsTM D422)Unit Weight and Porosity(EMl 110-2-WOf$

If you have any questions pertaining to these test results or require additional information%please do not hesitate tocall Us.

Sineen?ly,LAW ENGINEERING and ENVIRONMENTALSERVICES. INC.

$*&’’ffJHan-y E.Principal Techni:an

LAW Engtneermg and Environmental Services. k396 Plasters Avenue ● Atlanta, GA 30324

404-873-4761 ● Fax. 404-881-0508

EsEl

,

-

(

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—

—

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[6qmqm w wusqs se)

J-WnN

Projeet No.: 50161-7-0108 Boring No.: RR-07-01

Phase: Task: 41 Depth: 3-4 Ft.

Project Name: R-Reactor Seepage Basin Perehed Sample ID: Ud

Tested By SC Reviewed By: HEJ

Date: 07/07/99 Date: 07/18/99

c-5

TP-4A: LHWT WEIGHT OF SAMPLE

Total Sample II Inside DiameterHeight inches t! of Cut Tuk inches

1 12.14 n

3 12.12 II Bottom 1.409Average 12.12 Average 1.409

Moisture Content

TareNo. c-22

Tare”Weight 15.68 grams

Wet Weight + Tare 214.71 grants

Dry Weight + Tare 182.79 gramsMoisture Content 19.1 %

otal Weight of Soil + Tube See60n 626.20 grams

eight of Clean, Dry Tube Section 63.78 grams

1.24 lbs

0.011 fi3 h

RESULT SUMMARY

IiMoisture Content 19.1 70

Wet Density 113.4 - pcf

Dry Density 95.2 pcf

Specific Gravity 2.64Porosity 0.42

c-b

100

90

80

,70

zzl-l60k

30

20

10

0

GRAIN -SIZE DISTRIBUTION TEST REPORT ~

200 Ioo 10.0GRAIN SIZE - mm

Test % +3” % GRAVEL % SAND % SILT I %CLAY) 1 0.0 0.0 54.2 45.8

LL PI

) 0-22 0.15 0.11 I\

1

MATERIAL DESCRIPTION

} Brown Silty Sand (SM)

Oroject No.: 50i61-7-0i08 Task 41

~roject: R-Reactor Seepage Basin Perched Water

) Location: FV+-07-01 Ud @ 3-4 Ft.

late: &Jly 18, 1999

GRAIN SIZE DISTRIBUTION TEST REPORT

LAW ENGINEERING. lNC .

Remarks:

ASTM D422

Figure No.

C.-1

TP-4A: UNIT WEIGHT OF SAMPLE

Project No.: 50161-7-0108 Boring No.: RR-07-02

Phase: Task: 41 Depth: 11-12 Ft.

Project Name: R-Reactor Seepage Basin Perehed’ Sample ID: UdTested By: SC Reviewed By: HE.J

Date: 07/07/99 Date 07/18/99

Total Sample Moisture ContentInside Diameter

HeighL inches of Cut Tube, inches

1 12 Tare No. v-53

2 11.95 Top 1.404 Tare Weight 16.48 grams

3 11.95 I Bottom 1.405 Wet Weight+ Tare 15251 grams

Average 11.97

ilAverage 1.405 Dry Weight + Tare 137.44 grams

Moisture Content 12.5 %

~otal Weight of Soii +T.be Section 613.48 grams

Eeight of Clean, Dry Tube Seetion 62.89 grams

et Weijzhtof Soil 1.21 lbsnVolume of Sample 0.011 83

RESULT SUMMARY

IMoisture Content 125 70

Wet Density 113.1 pcf


Specific Gravity 2.65Porosity 039

IL

GRAIN SIZE DISTRIBUTION TEST REPORT #6 . . ..N --5554

100

90

80

70a

2H 60IL

5 50wuaI.Ll 40a

30

20

10

0200 100 10.0 1.0 0.1 0.01 0.0

GRAIN SIZE - mm

Test % +3” % GRAVEL % SAND % SILT I% CLAE 2 0.0 0.0 74.5 25.5

1

!

rLL PI ’85 D60 D50 D30 D~~ Dfo

D 0.60 0.33 0.27 0. i39

IIMATERIAL DESCRIPTION Uses AASHTO

o Tan Brown Silty Sand (SM)

IProject No.: 50i6i-7-0~08 Task 41 Remarks:

Project: R-Reactor’ Seepage Oasin Perched Water

b Location: RR-07-02 Ud @ il–12 Ft.

Date: JUIY 18+1999

GRAIN SIZE OISTRIBUTION TEST REPORT

LAW ENGINEERING, INC. Figure No.

Tested by: SC

Reviewed by: *u

ASTM 0422

i


Project No.: 50161-7-0108 Boring No.: RR-07-03Phase: Task: 41 Depth: 13.5-14.5 Ft.

Project Name: R-Reactor Seepage Basin Perched Sample ID: UdTested By: SC Reviewed By: HEI

Date: 07/07/99 Date: 07/18/99

Total Sample Inside Diameter Moisture Content

HeighQ inches of Cut Tube, inches

1 12.4 Tare No. D-42 12.4 Top 1.407 TareWeight 14.44 grams

3 12.42 Bottom 1.407 Wet Weight + Tare 187.56 grams

Average 12.41 Average 1.407 Dry Weight + Tare 170.69 gramsMoistureContent 10.8 %

Total Weight of Soil+ Tube Section 598.90 grams

Weightof Clean, Dry Tube Section 65.04 grants

Wet Weight of SoiI 1.18 !/)s

Volnme of Samrde 0.011 ft3

Moisture Content 10.8 %Wet Density 105.4 pcf

Dry Density 9S.2 pcf

Specific Gravity 2.62

Porosity 0.42

100

90

80

70uw~ 60lJ-

1-Z 50wEw 40m

30

20

10

GRAIN SIZEc ,..

OISTRI13UTIOhJ TEST REPORT #

1.0 O.i 0.01 o.o~GRAIN SIZE – mm

Test % +3” % GRAVEL % SAND % SILT I % CLAI 3 0.0 0.0 SO.2 19.8

LL PI D85 060 D50 D30 045 Dlo cc c

1 0.95 0.53 0.44 0.270

I I I I I I I1 I 1 I I I I


) Tan Brown Silty Sand (SM]

Jroject No.: 50161-7-0108 Task 41

Woject: R-Reactor Seepage Basin Perched Water

F Location: RI+07-03 Ud @ 13.5–14.5 Ft.

)ate: JUIY 28, 1999

GRAIN SIZE DISTRI13UT10N TEST R&PORT

LAW ENGINEERING, INC.

Uses AASHTO

Remarks:

Tested by: k

Reviewed by: bD

ASTM D422I

Figure No.


C--II

Project No.: 50161-7-0108 Boring No.: RR-07-04Phase: Task 41 Depth 16.5-17.5 Ft.

Project Name: R-Reactor Seepage Basin Perched” Sample ID UdTested By: SC Reviewed By: HEJ

Date: 07/07/99 Date: 07/18/99

Total Sampie

I

Inside Diameter

I

Moisture Content

HeighL inches of Cut Tube. inches1 11.72 TareNo. C-312 11.73 Top 1.40} Tare Weight 16.24 grams3 11.74 Bottom 1.400 Wet Weight + Tare 175.70 grams

Avemge 11.73

I

Average 1.401 Dry Weight+ Tare 155.21 grwnsMoistureContent 14.7 %


Weight of Ckan, Dry Tube Section .66.36 grams

Wet Weight of Soil 1.08 lbs

Volume of Samde 0.010 ff’

----- - ..- - . . . . .KJi2iULl SUMMAKY




Porosity 0.45

GRAIN SIZE DISTRIBUTION TEST REPORT i

ioo

90

80

70awz1+ 60

1-Z 50wCJIIw 40a

30

20

10

0200 100 10.0 1.0 0.1 0.0:

GRAIN SIZE – mm 9

Test % +3” % GRAVEL % SAND % SILT I % CL,t 4 0.0 0.0 73.3 26.7

I I I I

LL PI 085 0(30 050 D3(j %5 Dio cc

) 0.70 0.42 0.34 0-124

I I

I I I 1 t 1 #


E Tan Brown Silty Sand (SM)

Woject NO.: 50161-7-0108 Task 41-

Woject: R–Reactor Seepage Basin Perched

} Location: RR-07–04 Ud @ 15.5-17-5 Ft.

Jate: July 18, 19S!9

Water

GRAIN SIZE DISTRIL3UTION TEST REPORT

LAW ENGINEERING. INC.

Remarks:

Tested by: *

&[

Reviewed by:

ASTM 0422

Figure NO.

c-\3


Projeet No.: 50161-7-0108Phase: Task: 41

Project Name: R-Reactor Seepage Basin Perched”Tested By SC

Date 07/07/99

Boring No.: RR-07-05Depth: 18-19 Ft.

Sample Ill UdReviewed Bv: HEJ

Dat.&07/18/99

Total Sample

Ik

Inside Diameter Moisture Content

Hei~hL inches of Cut Tu inches

1 12.07 Y TareNo. R-642 12.05 Top 1.395 Tare Weight 16.02 grams

3 12.1 Bottom 1.395 Wet Weight + Tare 214.28 gramsAverage 12.07

I

Average 1.395 Dry Weight + Tare 181.50 gramsMoisture Content 19.8 %

WI Weight of Soil + Tube Section 588.60 grams

‘eightof Clean, Dry Tube Section 68.52 grants

‘et Weight of Soil 1.15 lbs

Olumeof samDle 0.011 $3

Moisture Content 19.8 $ZOWet Density 107.4 pcf



Porosity 0.46

GRAIN SIZE DISTRIBUTION TEST REPORTc

c&c

ioo~m~

90

80

70awzH GO

k

1-Z 50wuaw 40a

30

20

10

0200 100

GRAIN SIZE - mm

Test % +3” % GRAVEL % SAND I % SILT I % CLAYt 5 !59.6

LL PI D85 060 050 I 030 I 045 Dio cc c

) 0.19 0.11 0.09

I


} Tan Brown Silty Sand (SM)

+oject No.: 50i6i-7-0i08 Task 41

+oject: R-Reactor Seepage Basin Perched Water

E Location: RR–07-05 Ud @ 18-19 Ft.

)ate: JLJIY 18. lgg9


LAW ENGINEERING, INC.

Uses AASHTO

Remarks:

Tested by:=

Reviewed by: & I

ASTM D422

Figure No.


Project No.: 50161-7-0108 Boring No.: RR-07-06Phase: Task: 41 Depth: 22-23 Ft.

Project Name: R-Reactor Seepage Basin Perched Sample ID: UdTested By: SC Reviewed By: HEJ

Date: 07/07/99 Date: 07/18/99

Total Sample

I


Hei~hL inches of Cut Tu~ inches1 12.15 Tare No. V-132 12.03 Top 1.400 Tare Weight 15.49 grams

3 12.04 Bottom 1.400 Wet Weight + Tare 211.05 gr~

Average 12.07 Average ‘1.400 Dry Weight + Tare 186.95 grams

it Moisture Content 14.1 %

‘1’otal Weightof Soil +Tube Section 564.50 grams

Weight of Clean, D~ Tube Section 68.60 grams ~Weight “ofSoil 1.09 lbs

tiVolumeof Samole 0.011 33 II

Rli?WJI,T SIJMMARY ‘

Moisture Content 14.1 910



Specific Gravity 2.67Porositv 0.47

“

90

80

70

EzI+ 60IL

t-Z 50

Haw 40Q

20

10

GRAIN SIZE DISTRIBUTICIN TEST REPORT ~s

0.GRAIN SIZE - mm

Test % +3” % GRAVEL % SAND % SILT I % CLAY

) 6 0-0 0-4 77.4 22.2

LL PI 085 D@ D50 D 3(-J D45 Dfo

) 0-43 0.23 0.19 0.110

II II I 1 I I I 1


k Tan Brown Silty Sand (SM)

%oject No.: 50161-7-0108 Task 41

aroject: R-i7eactoP Seepage Basin Perched Water

} Location: RR-07-05 Ud @ 22–23 Ft.

Date: July 18, 1999

GRAIN SIZE OISTHIEUTION TEST REPORT

LAW ENGINEERING. INC -

n I

Uses

I

AASHTO

Remarks:

ASTM 0422

Figure No.


Project No.: 50161-7-0108Phase: Task: 41

Project Name: R-Reactor Seepage Basin Perched’Tested Bv: SC

Dat& 07/07/99


Sample ID UdReviewed By: FE.1

Date 07/18/99

Total Sample

[

Inside Diameter

Heizh& inches of Cut Tube, indes

1 11.912 11.91 Top 1.4013 11.94 Bottom 1.402

Avemge ‘4 ‘Ve”ge‘m”

Moisture Content

Tam NO. C-23Tare Weight 16.70 grams

Wet Weight + Tare 171.05 grumsDry Weight + Tare 156.05 grams


Total Weight of Soil+ Tube Seetion 553.20 grams

Weight of Clean. Dw Tube !%etion 63.22 Prams

Wet Weight of Soil

Volume of Samde

1.08 lbs

0.011 #’

RESULT SUMMARY

Moisture Content 10.8 YoWet Density 101.5* pcf



C-t%

ioo

90

70

LL

5 50wclu1# 40

30

20

10

0

GRAIN SIZE DISTRIBUTION TEST REPORT ~i . ..a

00rlon Vo

200 100 10.0 f.o 0.1 O.oi 0.04GRAIN SIZE - mm

) 7 0.0 0.0 75.8 24.2

LL PI

} 0.37 0.21 0.18 o.i15, ,

I I 1 I I 1 I I 1 I mI 1 I [ 1 1 1


} Tan Brown Silty Sand (SMJ

Woject No.: 5OI61-7-O1OB Task 41

+aject: R-Reactor Seepage Basin Perched Water

b Location: RR-09-01 Ud @ 6-7 Ft.

late: July 18, 1999

GRAIN SIZE OISTRIEUTION TEST REPORT


Uses I AASHTO

Remarks:

Reviewed by: @

ASTM D422

Figure No. ■

i’SQL--T(L- Yi -

TP-4A:

Proiect No.: 50161-7-0108.

UNIT WEIGHT OF SAMPLE

Boring No.: RR-09-02Phase Task: 41 Depth: 10-11 Ft.

Proiect Name: R-Reactor SeeDa~e Basin Perched” Samde ID: UdTested By: SC Reviewed By: HE.T

Date: 07/07/99 Date: 07/18/99

Total Sample II Inside Diameter II Moisture Content

l-kizh~ inches Iof Cut Tube, inches

1 12.15 Tare No. P-13A

l~otal W.ight .f Soil+TubeSection 648.90 grams

IKeight of Clean, Dry Tube Seetion 64.13 grams

et Weizht of Soil 1.29 /&sII

Volume of Sample 0.011 $3

RESULT SUMMARY

Moisture Content 16.3 9?0




Porosity (L39

GRAIN SIZE DISTRIBUTION TEST REPORT 8c“..=4 &c.N .54-+

100

90

80

70

EzII 60h-

% 50wuuw 40m

30

20

io

o200 100 10.0 1.0 0-s. 0.01 c

GRAIN SIZE - mm

Test % +3” % GRAVEL % SAND % SILT I) 8 0.0 0.1 65.2 34.7

LL PI DesI 0f30 D50 D so D35 Dio cc

I 0.36 0.19 0.15a

I

MATERIAL DESCRIPTION Uses AASHTO

} Tan f3i_own Silty Sand (SM)

~roject No.: 50161–7-0108 Task 41 IIRemarks:


I

Tested by: _) Location: RR-09–02 Ud @ 10-11 Ft.

Reviewed hy: +n

Date: July 18, 1999 ASTM 0422

GRAIN SIZE DISTRIEUTION TEST REPORT

LAW ENGINEERING, INC. Figure No.

c.”z\


Project No.: 50161-7-0108Phase: Task 41

Boring No.: RR-09-03lkpth: 14-15 Ft.

Project N~e R-Reactor Seepage Basin Perched’ Sample Ill U@Tested By SC Reviewed By: HEJ

Date 07/07/99 Date 07/18/99

Total Sample

1


Heigh%inches of Cut Tube, inches1 12.12 Tare No. c-372 12.14 Top 1.403 TareWeight 15.99 grams

3 12.16 Bottom 1.400 Wet Weight + Tare 187.69 gramsAverage 12.14 Average 1.402 Dry Weight + Tare 150.47 grams

Moisture Content 27.7 %..

Total Weight of Soil+ Tube Sedion ‘607.20 grams

Weight of Clean, Dry Tube Section 64.07 grants

Wet Weight of Soil 1.20 Lbs

Volume of Samde 0.011 ff’

8 RESULT SUMMARY

Moisture Content 27.7Wet Density 110.5 pcf

Dry Density 86s pcf


Porosity 0.48

1c -22 W%QC-TQ. yy. ~~33

1

GRAIN .SIZE DISTRIBUTION TEST REPORTc

.“ . . .

.nl .555

100

90

80

70

k

30

20

o200 100 10.0 1.0 0. 1 0.01 0. OQ’

GRAIN SIZE – mm

est % +3” % GRAVEL . % SAND % SILT 1. % CLAY

9 0.0 0.0 34.1 65.9

I

I

LL PI Df35 D60 050 030 D15 D~o cc c“

0.21 I

I I I I1 II I I I I I I


} Tan Brown Sandy Silt

Woject No.: 50161-7-0108 Task 41

~roject: R–Reactor’ Seepage Basin Pef’ched Water

} Location: RU-09-03 Ud @ 14-15 Ft-

late: July 18. 1999

GRAIN SIZE DISTF?IBUTION TEST REPORT


I I I

Uses AAStiTO

Remarks:

Tested by:~&

Reviewed by: & I

ASTM 0422

Figure No.

c -Z3

TP-4A: UNIT

ProiectNo.: 50161-7-0108

WEIGHT

“ Phase: Task 41

Proket Nanx R-Reactor Seeua~e Basin Perehed.

OF SAMPLE

Boring No.: RR-09-04DeDtk 18-19 Ft.

Sanmle XIXUd

Tested By SC Reviewed By IIEJ

Date 07/07/99 Date 07/18/99

To~ Sample

[


Heizh~ inches of Cut Tube, inches

1 12.22 TareNo. C-72 12.2 Top 1.410 Tare Weight 16.57 gram

3 12.16 Bottom 1.410 Wet Weight t Tare 237.03 gramsAverage 12.19

!

Average 1.410 Dry Weight+ Tare 201:75 gramMoisture Content 19.1 %i

otal Weight of Soil + Tube Seetion 625.60 grams

Eeight of Cleq Dry Tube Seetion 63.77 gmr?tset Weiszhtof Soil 1.24 lbs

❑

of Sample 0.011 $3

RESULT SUMMARY

IMoisture Content 19.1 %Wet Density 112.4 PtiDry Density 94.4 pcf


Porosity 0.43

(-”D+

GRAIN SIZE DISTRIBUTION TEST REPORT 1

100

90

80

70mg

H 60L

5 50w

EW 40m

30

20

10

0200 :00 10.0 1-0 o-f, 0.01 0.00

GRAIN SIZE - mm

Test % +3” % GRAVEL % SAND % SILT

~ io 0.0 0.0 57.9 42.3

.

1

LL PI DfJ5 Df3~ D50 030 D45 Dio cc I c“

) 0.25 0.:5 0.12

I1 I I 1 I [ I


} Tan Brown Silty Sand

Jroject No.: 50161-7-0108 Task 41


) Location: RR-09-04 Ud @ 18-19 Ft.

)ate: July 18. 1999



I

Remarks:

Tested by:s~

Reviewed by: &

ASTM 0422B

Figure No.

C.”zs

‘IBL& UNIT WEIGHT OF SAMPLE

Project No.: 50161-7-0108 Boring No.: RR-09-05Phase Task 41 Deptlx 22-23 Ft.

Project Name R-Reactor Seepage Basin Perched Sample IJX UdTested By SC Reviewed By HEJ

Date 07/07/99 Date 07/18/99

Total Sample1

Inside Djameter Moisture Content

HeizhL incfies of Cut ‘1’bb~inches1 12 Tare No. R-432 11.98 Top 1.400 Tare Weight 16.65 grams3, 11.98 Bottom 1.400 Wet Weight -t Tare 182.32 grams

Average 11.99 Average 1.400 Dry Weight + Tare 156.74 gramsMoisture Content 183 %

Total Weight of Soil+ Tube Section 622.00 gramsWeight of Cl- Dry Tube Section 62.81 grams

Wet Weight of Soil 1.23 tbs

Volume of Samde 0.011 $3




Porosity 0.41

100

90

80

5 !50wuaWI 40n

30

GRAIN SIZE DISTF?IBUTION TEST REPORT ~c ;&c”

I-1, , , I s 1+: , a , I

I+l+l+I-420

10

0200 100 10.0 1.0 O.i 0.01 0.00

GRAIN SIZE - mm

+est % +3” X GRAVEL “ % SAND % SILT I % CLAY

~ ii 0.0 0-0 67.0 33.0

LL PI D85 060 05~ 030 D45 Dio

) 0.40 0.22 0.i6

I1 I I 1 1 1 1


} Tat-1 Brown Silty Sand

Project No.: 50161–7-0108 Task 41

Project: R-Reactor’ Seepage Basin Perched Water

● Location: RR–09–05 Ud @ 22-23 Ft.

Date: July 48, 1999

GRAIN SIZE 01STRIf3UTION TEST REPORT

LAW ENGINEE~ING. INC -

, * I

m

IRemarks:

Tested by:

Reviewed by: \& I

ASTM D422

Figure No.


Project No.: 50161-7-0108 Boring No.: RR-09-06Phase Taslc 41 De@ 26-27 Ft.

Project Name R-Reactor Seepage BasirI Perched Sample IIk UdTested By SC Reviewed By HE.T

Date 07/07/99 Date: 07/18/99

Total Sample

I


Hei~b& inches of cut mim inches

1 11.96 Tare No. R-352 11.95 Top 1.400 Tare Weight 16.57 grams3 11.95 Bottom 1.401 Wet Weight + Tare 178.80 grams

Average 11.95

I

Average 1.401 Dry weight + Tare 155.38 gramsMoisture Content 16.9 Yo

Total Weight of Soil+ Tube Sedion 627.50 gramsWeight of Clq Dry Tube Seotion 63.30 F-Wet Weight of Soil 1.24 Ibs

Volume of Sarnde 0.011 33

RESULT SUMMARY

[Moisture Content 16.9 %




100

80

: :

: :: :: :: ; I

u : : ::’ T

: 40 + . -; - — — — ;. . - _ . . . -; - - --: - - - — — . -- __ . _: ; ::: ; :: I: . ::: : ::: : :: :

Qn : : : :: :av

20

10

0200 100 10.0 1.0 0.1 0.01

GRAIN SIZE - mm B

~estl% +3” I % GRAVEL ] . PAS,” I a/ .--’. Y i e. -,

)1 12 0.0 0-oI A 3ANU I xl a.Ll_l I Z bl_J

?

I -.— — - — I — — 77.7 22.3I I

I I I

LL PI 085 060 050 D30 Di5 010 cc

) 0.63 0-38 0.32 0.189

I I1 1 1 1 , *


D Tan Brown Silty Sand

%wject No.: 50161-7–0108 Task 41


P Location: RFI-09-06 Ud @ 26–27 Ft.

hte: July 18, 1999



1 * 1

WCS AASH

Remarks:

Tested by: s~

Reviewed by: 1+I

ASTM 0422

Figure No.

9I


Projeot No.: 50161-7-0108 Boring No.: RR-03-01”Phase Task 41 Deptlx 5-6 Ft.

Project Name R-Reactor Seepage Basi.11Perched Sample Ilk UdTested B~ SC Reviewed By HEJ

Date: 07/07/99 Datti 07/18/99

Total Sample

I


Height inches of Cut Tubq hmhes h1 12.16 Tsre No. R-382 12.2 Top 1.398 Tare Weight 16.31 grams3 12.2 Bottom 1.399 Wet Weight + Tare 180.12 grams

Average 12.19 Average 1.399 Dry Weight +Tsre 166.53 &lm.sMoisture Content 9.0 %

Total Weight of Soil+ Tube Seetion 568.10 gramsWei~t of Clean. Drv Tube Se&on 69.86 mmWet Weight of Soil

Volume of Sanmle

1.10 lb

0.011 $3

RESULT SUMMARY

tlMoisture Content 9.0 %Wet Density 101.4 pcf



GRAIN .SIZE DISTRIBUTION TEST REPORT

200 100 10.0 1.0 0.1 0.01 0.GRAIN SIZE - mm

est % +3”” % GRAVEL % SAND % SILT I % CLAY

LL PI D85 060 D50 D30 D~l=J Dfo cc c

D 0.47 0.26 o.2f 0.140

i

b 1 , I ,


● Tan Brown Silty Sand

Project No.: 50161-7-0108 Task 41

Project: R–Reactor Seepage Basin Perched

● Location: RR–03–01 Ud @ 5-6 Ft.

Date: JUIV 18. 1999

GRAIN SIZE DISTFIIf3UTION TEST REPORT


Tested by: 5L

Reviewed by: 1+

ASTM 0422’

Figure No.

TP-4A:

ProjectNo.: 50161-7-0108

UNIT WEIGHT

Phas(x Task 41project Name R-Reactor Seepage Basin Pemhed

OF SAMPLE

Boring NO.: RR-03-02Deptk 10.5-11.5 Ft.

Sample ID: UdTested By SC Reviewed By HBJ

Date 07/07/99 Date: 07/18/99

1

Total Sample Inside Diameter

I

Moisture Content

Hei~h~ inches of Cut Tube+ ihches

1 12.07 Tare NO. R-42

2 11.94 Top 1.403 Tare Weight 16.61 grams

3 11.95 i Bottom 1.401 Wet Weight + Tare .191.35 gramsAverage 11.99 Average 1.402 Dry Weight’+ Tare 168.07 grams

Moisture Content 15.4 ‘A

kotal Weight of Soil + Tube &ction 634.70 gramsWeight of Cleq Dry Tube Section 62.76 gramsWet Weight of Soil 1.26 Ibs I

of Sample 0;011 p’!

Moisture Content 15.4 %Wet Density 117.’7 pcf



Porosity 039

GRAIN SIZE DISTRIBUTION TEST REPORT #

ioo

90

70

U.J 4V

a

30

20

10

0200 10CI 10.0 1.0 0.1 0.01 0

GRAIN SIZE - mm

Test % +3” % GRAVEL % SAND % SILT I % CLAI i4 0.0 0.0 64.5 38.5

m

LL PI I D85 D60 D50 D30 015 Cqo cc

)

I

I I I I I 1 I


F Tan Brown Silty Sand

a~oject No.: 50161-7-0108 Task 41

Woject: R-Reactor Seepage Basin Perched Water

b Location: fWi-03-02 Ud @ 10.5-11.5 Ft.

Date: July 18, 1999


LAM ENGINEERING. INC.

I 1 1,

Uses AASHT

i?emafks: ■

Tested by: ~C

Reviewed by: 1+

ASTM 0422

Figure No. D

C6330

TP-4A:

(--33 .

LLW31BB=ROUF AL

Project No.: 50161-7-0108

UNIT WEIGHT OF SAMPLE

Phase: Task 41Project Name: R-Reactor Seepage Basin Perched

Boring No.: RR-03-03DCptk 14-15 Ft.

Sample Ill UdTested By SC Reviewed By: HE3

Date: 07/07/99 Date 07/18/99

Total Sample Inside Diameter Moisture Content

Height inches A of cut Tub& inches

1 12 Tare No. C-272 12.01 Top 1.405 Tare Weight 16.08 grams

3 12.01 Bottom 1.40s Wet Weight + Tam 180.76 grumsAverage 12.01 Average 1.405 Dry Weight + Tare 171.05 grums


~talWeight of Soil + Tube Section 600.50 grams

‘eightof Ckan, Dry Tube Section 63.31 grams

‘etWeight of Soil 1.18 lbs

Dlume of Samrde 0.011 ff3

RESULT SUMMARY

Moisture ContentWet DensityDry Density

Specific GravityPorosity

6.3 70

109.9 pcf

10305 pcf

2.62037

C“39

GRAIN SIZE DISTRIBUTION TEST REPORT:

100

90

80

70aw~ 60

1-Z 50w(Jccu 40Q

30

20

o200 icm 10.0 1.0 0.1 0.01 0.

GRAIN SIZE - mmI

Test % +3” % GRAVEL % SANO % SILT I %CLAY~ 15 0.0 2.0 Bf.6 16.4

I

{ i I I

LL PI I Df35 Dfjo D50 030 D15 Dfo I cc c“

b 0.77 0.37 0.30 ~o. lal

I II iI I I I I I I


} Tan Brown Silty Sand

Project No.: 50161-7-0108 Task 41

Project: F!-Reactor’ Seepage Basin Perched Water

F Location: RR–03-03 Ud @ 14-15 Ft.

Date: July 18, 19g9



I I I

Uses AASHTO

Remarks:

Tested by: ~~

&I

Reviewed by:

ASTM 0422 I

Figure No. I

L-35w’U----l-Q-- q’i - co%w~

TP-4A: UNIT WEIGHT


~K@C!t ~tMllCX R-Reactor SeepageBasin Perched Water

OF SAMPLE


Sample ID: Ud—

Tested By: SC Reviewed By: HEJDate: 07/07/99 Date: 07/18/99

Total Sample II Inside D]ameterHeiEhQinches of Cut Tube, inches

1 11.982 12 Top 1.3953 12 Bottom 1.3%

Average 11.991

Average 1.396

Moisture Content1

Tare No. R-40

Tare Weight 16.33 grams

Wet Weight + Tare 208.16 grams

Dry Weight + Tare 176.24 grams


Total Weight of Soil+ Tube Section 617.20 gramsWeight of Clean, Dry Tube Section 69.10 gratqs


Volume of Samvle 0.011 $3

RESULT SUMMARY




Porosity 0.43

GRAIN SIZE DISTRIBUTION TEST REPORT& 1. ..

ioo

90

80

70

IL1-Z 50111

%w 40m

30

20

10

200 foo 10.0 1.0 0.1 0.01 0.00GRAIN SIZE - mm

est % +3” % GRAVEL % SANO % SILT I % CLAY~ 16 0.0 0.0 46.4 53.6

i-L PI 085 Ofjo %0 D3C) 015 .Dio cc I q1 0.?50 0-15

I I I I I I IMATERIAL DESCRIPTION

} Tan ~pown Silty Sand

~roject No.: 50161-7-0106 Task 41

%wject: R-Reactor Seepage Basin Perched Water

1 Location: RR–03–04 Ud @ 18-19 Ft.



USGS I AASHTO

Remarks:

Tested by: 5L

Reviewed by: @

ASTM D422

Figure No.

9

L#!WGIBB=ROUP Ah


Project No.: 50161-7-0108 Boring.No.: RR-03-05Phase: Task: 41 Depth: 20.5-21.5 Ft.

Project Name: R-ReactorSeepageBasin PerchedWater Sample ID: UdTested By: SC Reviewed By: HEI

Date: 07/07/99 Date: 07/18/99

Total Sample Inside Diameter

I

Moisture Content

Height+inches of Cut Tube, inches

1 12.12 Tare NO. c-392 12.06 Top 1.399 Tare Weight 16.30 grams

3 12.2 Bottom 1.399 Wet Weight + Tam 216.87 gmmsAverage 12.13

1

Average 1.399 Dry Weight + Tare 180.70 grams “Moisture ContentA 22.0 %

otal Weight of Soil + l%be Section 623.30 grams

Weight of Clean, Dry Tube Section 69.94 grams

Weight of SoiI 1.22 lbs

olume of Samde 0.011 33

Moisture Content 22.0 70

Wet Density 113.i pcf



Porosity 0.45

100

90

80

70

EzH 60L

30

20

02

GRAIN SIZE DISTRIBUTION TEST REPORT 9ic ;2

: 1 1 1 t Ill I I i I I I I

, , 1 I:::: 1111I 1111111I

1 ~. L t , & r t

I ~: :: :: :i : ;: . II

I“: ; ::

1 :::: :;.: ::: ::: :.: ::. . . .!00 -1oo 10.0 %.0 0.1 0.01 0.00

GRAIN SIZE - mm

) 17 0.0 0-0 41.6 58.4

I

r

LL PI 085 D60 DSJ-J I 030 o~~ Ol(j cc c

) 0.56 O.li

II r


b Tan Brown Sandy Silt

%wject No.: 50161-7-0108 Task 41

aroject: R-Reactor Seepage Basin Perched Water

b Location: RR-03-05 Ud @ 20.5–21.5 ft.

Date: July 18, 1999

GRAIN SIZE DISTflI13UTION TEST REPORT


s

Uses AASHTO

Remat’ks:

Tested by: SC

Reviewed by: MI

ASTM 0422I

Figure No.


Project I’40.: 50161-7-0108Phase: Task: 41

project Name: R-ReactorSeepageBasin PerchedWater

Tested By: SCDate 07107/99

Boring No.: RR-03-06Depth: 22.5-23.5 Ft.

Sample ID: UdReviewed By? HEJ

Date: 07/18/99

Total Sample

[


Hei~ht inches of Cut Tuk inches

1 11.7 Tare No. A-n2 11.72 Top 1.396 Tare Weight 14.67 grams

3 11.77 B“&tom 1.395 Wet .Weight + Tare 212.71 gramsAverage 11.73 Average 1.3% Dry Weight + Tare 176.08 grams





Vohne of Samrde 0.010 x’




Porosity 0.42

GRAIN SIZE DISTRIBUTION TEST REPORT ~; c“cc“100

90

80

70

&fi 60LL

i-Z 50wCJa: 40

30.

20

10

0200 ioo 10.0 1.0 0.1 0.01 O.oc

GRAIN SIZE - mm


) $8 0-0 0.0 33-4 66.6

!_L PI of35 060 D50 D90 D45 D~O cc c

) 0.41

MATERIAL OESCRIPTIUN

P Tan Brown Sandy Silt

Project NcI.: 50161-7-O1OB Task 41

Project: R-Reactor Seepage Basin Perched Water

E Location: RR-03-06 Ud @ 22.5-23.5 Ft.

Date: July 18. 1999

GRAIN SIZE DISTRI!3UTION TEST REPORT

LAW ENGINEERING. lNC.

IRemarks:

Tested t3y: s<Reviewed by: I%J

ASTM 0422

Figure No-

4

MWVGIBB=ROU3? A


Project No.: 50161-7-0108 Boring ”No.:RR-03-07Phase: Task 41 DeDth: 26-27 Ft.

Proiect Name: R-Reactor Seemage Basin Perehed Sarnrde’ID: Ud“TestedBy SC Review;d By: HEJ

Date: 07/07/99 Date: 07/18/99

Total Sample Moisture ContentInside Diameter

HeiEhQinches of Cut Tube. inches II1 i 1.87 Tare No. V-92 11.89 Top 1.396 Tare Weight 13.39 grams

3 11.85 Bottom 1.397 Wet Weight + Tam 217.33 grams

Average 11.871

Average 1.397 Dry Weight + Tare 185.63 grams


otal Weight of Soil + Tube Section 622.10 grams

eight of Clean, Dry Tube Seetion 68.56 grams

1.22 lbs

0.011 33





Porositv 0.42.

&4z-

GRAIN SIZE DISTRIBUTION TEST REPORT: 1

100

90

80

1-Z 50111uaI&l40

30

20

10

0200 100 10.0 1.0 0.1 0.01 0.00

GRAIN SIZE - mm


E 19 0.0 7.2 44.8 48.0

I

LL PI 085 D60 050 030 Di5 o~o cc c“

r 1.i5 0.23 0.10

IIm ,

MATERIAL OESCFIIPTION

● Tan 13rr)wn Silty Sand with Gravel

Project No.: 50161-7-0108 Task 41

Project: R-Reactor Seepage Basin Perched Water

b Location: RR-03-07 Ud @ 26-27 Ft.

Elate: July 18, fg99

GFIAIN SIZE OISTR18UTION TEST REPORT


I

Remarks:

Tested bY:.SL

Reviewed by: &

ASTM 0422I

Figure No.

BXL--it -%-CD330

,.,



Project Name: R-Reactor Seepage Basin PerchedTested By: SC

Date: 07/07/99

Boring No.: RR-03-08Depth: 57.5-58.5 Ft.

Sample ID: UdReviewed By: HEJ

Date: 07/18/99

~1.f=::%::.” I Moisture Content i

I 11.97 Tare No. R-482 12.07 Top 1.399 Tare Weight 16.91 grams


Average 12.04 Avetige 1.399 Dry Weight + Tare 154.25 gramsMoistur&Content 20.4 %

[-4(3



Wet Weight of Soil 1.24 fbs

Volume of Samde 0.011 fi’

RESULT SUMMARY

Moisture ContentWet DensityDry Density

Specific GravityPorosity

20.4 Yo

116.2 pcf965 pcf

2.640.41

L.4q

GRAIN SIZE DISTRIBUTION TEST REPORT I

i 00

90

00

70

L

30

20

10

0200 100 10.0 1.0 O.f

GRAIN SIZE - mm0.01

estl%+3” I % GRAVEL I % SAND I % SILT I % CLA) 20 0.0 0.0 I 75.8 I 24.2

II

LL PI 085 ~fjo D50 D30 D15 oio” cc) 0.44 0.31 0.27 0:174


) Red Brown Silty Sand

+oject No.: 5016i-7-0i08 Task 41

2rOject: R-Reactor Seepage Basin Perched Water’

} Location: RFI-03-08 Ud @ 57.5-58.5 Ft.

Date: July 18, 1999



Uses

Remarks:

Tested by: s~

Reviewed by: LbI

ASTM 0422I

Figure No.

L“’45


Projeet No.: 50161-7-0108 Boring No.: RR-03-O!)Phase: Task 41 Depth: 83.5-84.5 Ft.

Project Name: R-Reactor Seepage Basin Perched Sample Ill UdTested By: SC Reviewed By: HEJ

Date 07/07/99 Dattx 07/18/99

Total Sample II Inside Diameter II Moisture Content

Height inches [ of Cut Tube, inches

1 12.2 Tare No. R-42 12.2 Top I .394 Tam Weight 16.41 grams


Average 12.21II

Average 1.394 Dry Weight + Tam 192.01 grants


~otd Weight of Soil +T.be Section 633.60 grams UWeight of Clean, Dry Tube Section 70.83 grams


Volume of Samole 0.011 ii3

RESULT SUMMARY

1Moisture Content 29.9 %Wet Density 1152 pcf



Porosity 0.46

GR} lN SIZE C)lSTRIBUTION T ZST REPORT

200 100 10.0 1.0 0.1 0.01 “0-00GRATN SXZE - mm

rTest 2 +3” $Z GRAVEL % SAND Z SILT I % CIAY

) 1 0.0 0.0 78.5 21.5

LLI

PI 085 I D60 I D50 030 D15 q o cc Cu

D 0.25 0.17 0.15 0.114

[ I

1 I 1 1 I 1


B Pu rp I e Brown S i I ty Sand {SM)

Pfoject No. : 50161–7-0108 Task 41

Project: R–f?eoctor Seepage Basin Perched Woter

D Location: RR-03-09 Ud @ 83.5–84.5 Ft.

Date: Julv 18.1999


LAW ENGINEERING , lNC .

t 1 1

Uses I AA3-lTo

Remark:

Tested By:~c

Reviewed by: &

Figure No.

I

LASh7GIBB=ROUP Ah


Project No.: 50161-7-0108. Boring No.: RR-O3-1OPhase: Task: 41 Depth: 100.5-101.5 Ft.

Proiect Name: R-Reactor SeeDa~e Basin Perched’ Samr)le ID: Ud. .

Tested By SC Reviewed By: HEJDate: 07/07/99 Date: 07/18/99

~ ‘0:=:27=?. Moisture Content

= ~

1 12.04 Tare No. V-802 12.04 Top 1398 TareWeight 16.91 grams

3 12.05 Bottom 1.395 Wet Weight + Tam 243.47 grams

Average 12.04 Average 1.397 Dry Weight + Tare 196.12 gramsMoisture Content 26.4 %


Weight of Clean, Dry Tube Seetion 68.47 grams


Volume of Samnle 0.011 fr3

RESULT SUMMARY





c-qq

GRAIN SIZE D1STR1BUTION TESTc“ REPORT

200 100 10.0 1.0 0.1GRAIN SIZE - mm

0.01 0.

Test % +3” % GRAVEL % SAND % SILT I z CLAY} 2 0-0 0.2 82.4 17.4

I

LL PI 5/35 ’60 D50 D30 015 D1o cc c“

B 0.44 0.26 0.22 0.143I

I I I I I I IMATERIAL DESCRIPTION

I I I I I I I I I I

Uses I AASHTOD Purple Brown Silty Sand (SM)

Project No .: 50161-7-0108 Task 41

Project: R-Reactor Seepoge 8osin Perched Water

o Location: RR-O3-1O Ud @ 100.5-101.5 Ft.

Date: July 18,1999


!AW ENGINEERING, INC.

IRerna rks:

Tested By: SC

Reviewed by: +

Figure No.

WSRC-TR-99-O0330, Rev. O, RRSB Soil Moisture and Resistivity Field Investigation D-1

Appendix D – Water Level Data and Hydrography

~2 WSRC-TR-99-O0330, Rev.O,RRSB SoilMoistureandResistivityFieldInvestigation


-- 9---9 ------- 9 ----

Table D-1 R Area Water Level Measurements

Well ID Eastina Northina Grd. El.P 20C 76814.0056067.70287.80P 20D 76784.5056075.20287.70RAC 1 74570.70 55107.30 282.60RAC 2 74555.50 55026.30 278.70RAC 3 74667.50 55015.30 277.60RAC 4 74588.80 54984.00 277.50RBP ID 77582.00 57217.00 303.10RBP 2D 77510.00 56862,00 303.20RBP 3D 77206.00 56828.00 307.50RCP 1A 74238.30 56968.10 295.10RCP 1D 74223.50 56967.90 295.10RDB 1D 74844.50 57097.30 290.80RDB 2D 74782.20 56879.80 291.00RDB 3D 74899.00 56881.90 291.10RPC 10DL 74551.49 57380,20 292.46RPC 10DU 74540.11 57380.29 292.45RPC 11DL 75240.08 57380.01 291.20RPC 1lDU 75250.01 57380.43 291.21RPC lD 74215.66 57931.27 302.96RPC 1CU 74292.81 57939.02 301.54RPC 1CL 74261.88 57923.26 302.28RPC 2D 76123.43 58087.90 292.27RPC 2CU 76124.94 58067.10 290.37RPC 2CL 76120.74 58077.18 290.35RPC 3DL 75747.08 58136.56 305.88RPC 3DU 75745.04 58126.17 306.19RPC 4DL 75752.44 58382.03 299.64RPC 4DU 75741.90 58382.48 299.89RPC 5DL 75604.72 58817.24 302.34RPC 5DU 75610.66 58820.47 302.30RPC 6DL 75117,55 58914.01 298.60RPC 6DU 75119.69 58901.45 298.78RPC 7DL 74726.38 58812,31 299.86RPC 7DU 74720.18 58803.87 299.82RPC 8DL 74671.66 58279.90 301.15RPC 8DU 74664.76 58279.13 301.00RPC 9DL 74507.87 57908.37 301.37RPC 9DU 74507,71 57898.35 301.34RRP 1 75634.60 54563.50 282.70RRP 3 75853.00 54303.00 278.40RSA 10 75389.30 58172.80 310.00RSA 9 75616.20 58123.80, 310.00RSB 7 75044.30 57692.80 307.50

Bot-scr138.00225.40247.30243.40242.30238.20243.00243,00248.0046.80261.30265.50265.70265.80199,60271.60179.50275.40264.50137.20103.30261.40148.7097.30181.10271.70179.30269.00186.40261.40177.80268.00209.10262.10202.90271.90212.60264.60242.40238.10268.80264.60272.70

Tot)-scr148.00244.40277.30273,40272.30268.20253.00253.00258.0056.80281.30285.50285.70285.80209.60286.60189.50285,40284.50147.20113.30281.40158.70107.40191.00286.70189.30284.30196.40276.40187.80282.80219.10277.10212.90286.90222.60279.60272.40268.10288.70284.50292.60

Mar-98241.8274.7276.2273.85274.25274.1264.15261.4263.75204.1285.85288.68287.9289.75283.21291.35279.6290.01284.56264.04260.73286.52262.77252.65276.53294.59276.64296.89276.59284.9278297.18278.71279.42282.35292.2284.37286.34274.1273.15291.15298.3294.5

Aua-98240.8272272.5270.9270.9271264.95267.25269.8221.4284.35286.5285.45283.7281.81283.75277.25283.51281.26258.79258.78274.42258.87249.95272.78283.19272.39285.59272.54276.8274,3281.43276.71276.62279.95282.7282.02282.94267,5265.4281.15283286.6

Nov-98NR268.8271,55270.4270.1270.3261.3263.8266,7NR281.25284.55283.95282.1278.46280.7274.22282.21NR266.58256.56264.67256.67247.7269.58278.44269.19281.74269.61273271.05277.13272.99273.92276.74282.7273,39279.84265.4263.15NRNR283,65

Jan-99235.98264.51271.5271.2270.8271.05259.25261.5264.55238.7280.8287.85284.8281.05277.26280.3273.2NR273.4255.35253.36267.36253.17244.17265.66272.75265.32275.63266.18268.71267.62271.5269.38269.44272.59276.34274.26275.02263.9262NRNR281.1

Feb-99236.09264.51274.85273.55272.78272.7264.27264.25263.5240,1281.85287.95286.55284.25278.16282.65274.55NR276.33258.32255.88264.92256.32247,15269.43277.19266.89281.64269.27272.15270.7279.33272.11272.69275.7280.8277.57278.69265.25263.75NRNR282,9

Mar-99235.85264.16273.4272.6272.35272257.75259.95263.1241.6280.35286.2285.2282.45277.31280.63273.6NR275.91258.09255.78271.87255.96246.95268.88276.24268.49280.34268.94271.7270.4277.98271.86272.52275.4280.2276.97277.89265NRNRNR281.85

J!K?.@Q235.58263.66273.27272.4272.35271.38265.45259.2262.3242.6279.9286.25285.15282.7277.21280.15273.4NR275.46257.82255.38264.97255.75246.6268.68276.37268.19279.14268.74271.48270,1276.48271.66272.22275.2279.8276.62277.74264.72NRNRNR281.55

Mav-99235.11263,36272.35271.18271.1270.5266.9258,75261,75243279.65285.95284.95282.45276.61279.35272.9NR275.31257.44254.83265.02255.27246.35268.08275.74267.69278.19268.34270.9269.8275.18271.36271.92274.75278.8276.42277.29264NRNRNR261.1

_Jw.MKL234.77262.45NRNRNRNR255.94258261.05243.12279.1287.6286.8284.95276.11279.45272.46NRNRNRNR265.07254.82245.95267.73274.99267.29278.04267.84270.5NR273.96270.96271.42274.2278.4275.77276.74263.2NRNRNR280.63

JuI-99235.04263.75274.05273.5272.78272.6255.65257.7260.7242.9280.4287.35286.4284.8277.06281.1273.85NRNRNRNR265.12255.82246.55268.98277.74268.44282.64268.84271.9270.15278.78271.46271.84274.85280.45276.57278.14263.9NRNRNR283.15

Table D-1 R Area Water Level Measurements (cont.) Table D-1 R Area Water Level Measurements

Well IDRSC 10RSC 2RSC 3RSC 4RSC 6RSC 7USC 8RSI) 1RSD 3RSD 4RSD 5RSD 6RSD 7RSD 8RSD 9RSE 1ARSE 2RSE 24RSE 25RSE 3ARSE 7RSE 8RSE 9RSF 1RSF 2RSF 3RSP 4DRSP 5DRSP 6DRSP 7D*NR= NO

Easting Northing Grd. El.75470.00 59542.70 293.8074378.60 58543.00 300.2074699.70 58724.70 299.9075097.80 58900.30 298.9075686.10 58607.10 302.1075686.20 58200.10 305.8075684.00 57818.10 307.6075035,10 57440.80 299.0074702.30 57451.60 299.2075154.60 57441.40 299.9075207.00 57439.90 299.9075256.60 57441.30 300.4075178.40 57394.30 291.6075229.60 57394.00 291.6075185.90 57245.60 291.0074712.70 57734.50 302.6074743.50 57594.90 301.0074638.90 57370.40 291.9074544.50 55824.50 291.8074931.20 57445.80 299.5074783.70 58481.50 301.2074869.40 58538.80 300.5074971.10 58463.30 304.5074869.40 58505.30 301.2074628.60 57670.40 300.6075206.70 57621.40 305.1075940.00 57480.00 298.2876279.00 58756.00 294.4475363.00 59311.00 297.9774295.00 59123.00 302.59

reading

Bot-scr255.50261.90258.60268.60267,70263.40271.30267.90269.30270.60269.60270.10267.30267.30251.70274.80269.70237.60237.50268.20266.50271.20266.70228.80224.80229.80265.20263.40255.90258.50

Top-scr Mar-98 Aug-98 Nov-98 Jan-99275.50 279.45 272.1 269.5 269.05281.90 284.05 281.3 282.4 276.8278.60 283.85 279.8 277,1 275288.60 293.4 280 276.8 273.9287.70 299.4 291.85 281.1 279.2283.40 295 282.8 278.28 274.85299.30 305.25 291.2 288.1 284.1287.70 293.25 287.9 283.9 292289.10 293.2 288.05 282 287.3290.60 294.6 290.1 285.3 290.9289.60 294.65 287.25 284.01 287.4290.10 294.75 285.5 283.25 285.8287.30 290.9 285.9 282.6 286287.30 291.05 285.8 282.92 286.1271.70 287.65 264.35 282.15 284.4294.80 294.35 288.05 NR 281.1289.50 291.85 286.35 280.35 281.6257.60 286.35 283.95 281.05 279.6257.50 281 277.7 275.6 275288.00 292.75 287.85 NR 287.7286.30 298 294.6 295.35 276.4291.00 294.05 288.9 284.85 283.15286.70 282.25 279.65 NR NR238.80 286.35 286.4 NR NR235.30 285.6 282.75 279.9 277.8239.80 287.47 282.3 279.75 278.3285.20 289.18 281.53 278.63 275.98283.50 286.09 270.04 270.04 270.24276.00 278.57 273.12 262.62 269.57278.40 279.54 275.69 273.29 272.29

Feb-99269.95277.4276.05278.5290.75276,6287.45288.15288.55289.9287.5286.65285.78285.75285.02286.4285.9280.9276.6286,3277.42285.75NRNR278.9279.37278.98270.29269.97272.59

Mar-99269.4277.1275.6277.45280.2275.9287.4288.4287.25291.05288.9287.65286.8286.8283.18284282.6279.92275.55289.2297.6285.05NRNR278.2278.8279.05270.34269.77272.39

Apr-99269276.8275.2276.2279.35275.6287.3285.15285.65286.6284.9284,7283.6284.05282,9282.88280.8279,7275.45283.8284.23283.75NRNRNR278.7279.06270.34269.52272,39

May-99 Jun-99268.45 267.8276.35 275.9274.9 273.3274.75 273.75277.3 281.3275.05 274.1286.3 NRNR 290.2284.42 286.9NR NRNR NRNR NRNR NRNR NR282.65 NR281.62 279.1279.05 278.55278.95 278.8275 NR283.2 288.5285.35 279.85283.15 282.3NR NRNR NRNR NR278.3 NR278.38 277.3270.34 270.44268.97 268.57271.99 264.39

JuI-99269.88276.85275.6278.15291.25277.4287.7292.25288.75290.1287.9286.95286.15286.2284.08287.45286.1280NR285.75277.18284.28NRNR278.1279.3279.73270.39269.62271.69

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