ANACONDA COPPER CO. (YERINGTON) SUPERFUND SITE · Anaconda Copper Co. (Yerington) Superfund Site...

ANACONDA COPPER CO. (YERINGTON) SUPERFUND

SITE

ADMINISTRATIVE ORDER ON CONSENT ADMINISTRATIVE

RECORD INDEX

Released: 06/17/2009

SEMS-RM DOCID # 1160623

About the Administrative Record This administrative record file contains the documents that the U.S. Environmental Protection Agency (EPA) is currently using to identify appropriate removal activities for the Anaconda Copper Co. (Yerington) Superfund site in Yerington, Nevada. This administrative record file supports the Administrative Order on Consent and Settlement Agreement for Removal Action and Past Response Costs. It is presented in compact disc (CD) format. The administrative record file will be supplemented periodically as additional removal actions are undertaken or remedial decisions are made; it will be complete after public comments on EPA's final Proposed Plan, response to comments, and the Record of Decision (ROD) are included. This administrative record file also includes by reference the documents in the Anaconda Copper Co. (Yerington) Superfund Site Remediation Site Administrative Record, 12/21/05; and the Anaconda Copper Co. (Yerington) Superfund Site Removal Administrative Records 1 – 3, 12/21/05, 11/30/07, and 9/9/08 respectively. EPA welcomes questions and comments on documents contained in the administrative record file. Please contact:

Nadia Hollan Burke Remedial Project Manager U.S. EPA (SFD-8-2) 75 Hawthorne Street San Francisco, CA 94105-3972 (415) 972-3187 [email protected]

or: Vicki Rosen Community Involvement Coordinator U.S. EPA (SFD-6-3) 75 Hawthorne Street San Francisco, CA 94105-3972 (415) 972-3244 or (800) 231-3075 [email protected]

What is an Administrative Record? An administrative record is a collection of documents that forms the basis for an agency's decision, in this case the selection of a response action at a Superfund site. This does not mean that only documents that support a response decision are placed in the administrative record. Relevant documents that were relied upon in selecting the response action, as well as relevant documents that were considered but ultimately rejected, are included. The administrative record also acts as a vehicle for public participation in selecting a response action. Under section 113(K) of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), as amended by the Superfund Amendments and Reauthorization Act (SARA), the U.S. Environmental Protection Agency (EPA) is required to establish an administrative record for every Superfund response action and to make a copy of the administrative record available at or near the site. The administrative record must be reasonably available for public review during normal business hours. Questions regarding the maintenance of the administrative record file should be directed to:

Elaine Chan, Administrative Record Coordinator, U.S. EPA (SFD-7-5), 75 Hawthorne Street, San Francisco, CA 94105-3920, Phone: (415) 972-3128 How to obtain copies of administrative record documents: Individuals may copy any documents contained in the administrative record file according to the procedures at the local repository or request a copy of the CD by calling the Superfund Records Center at (415) 536-2000. Anaconda Copper Co. (Yerington) Superfund Site Administrative Order on Consent Administrative Record Acronyms and Abbreviations

ABBREVIATION MEANING

app Appendix

ARC Atlantic Richfield Co

attch Attachment

demob Demobilization

DSR Data Summary Report

encl Enclosure

EPA Environmental Protection Agency

ex Exemption

FOIA Freedom of Information Act

fr From

in Inches

ltr Letter

memo Memorandum

MWMP Meteoric Water Mobility Procedure

OU Operable Unit

pH Potential of Hydrogen

polrep Pollution Report

QAPP Quality Assurance Project Plan

re Regarding

RI Remedial Investigation

rpt Report

SDG Sample Delivery Group

TL Transmittal Letter

US United States

UFWS United States Fish & Wildlife Service

w/ With

w/o Without

This administrative record is available for viewing at the Superfund Records Center in San Francisco and the Lyon County Library, 20 Nevin Way, Yerington, NV 89447.

Anaconda Copper Co. (Yerington)

Superfund Site

Administrative Order on Consent Administrative Record, 06-17-2009

Final Indexin CHRONOLOGICAL order

Document ID Document Date Title Author Addressee

2145236 9/23/2005Data summary rpt for process areas groundwater

conditions, w/o Apps A-FR09: (Brown & Caldwell) R09: (Atlantic Richfield Co)

2145237 11/1/2005

Data summary rpt for process areas soils

characterization, w/o Apps D-F, w/TL to J Sickles fr

D McCarthy 10/31/05

R09: (Brown & Caldwell) R09: (Atlantic Richfield Co)

1116439 12/15/2005 Radiological data compilation, w/apps A-K R09: (Brown & Caldwell) R09: (Atlantic Richfield Co)

2141660 12/30/2005

Interim operations, maintenance & monitoring plan

for pumpback well system & Arimetco heap leach

water management, w/attchs & TL to J Sickles fr R

Thun

R09: (Applied Hydrology

International)R09: (Atlantic Richfield Co)

2145235 11/3/2006

Workplan for characterization & removal of

selected materials in radiological control area,

w/response to review comments on 9/28/06

workplan


2168769 4/30/2007TL: Site pumpback well system 2006 operations,

maintenance & monitoring summary rpt

R09: Thun, Roy (Atlantic

Richfield Co)

R09: Sickles, James (Environmental Protection

Agency - Region 9)

2145233 8/30/2007

Draft process areas (OU 3) RI workplan, w/TL to J

Sickles & N Hollan-Burke fr R Thun, w/o compact

disc (Apps B & D-L)

R09: (Brown & Caldwell), R09:

(Integral Consulting Inc)R09: (Atlantic Richfield Co)

2179873 12/6/2007Oversize Drawings (3): Pond improvements - bath

tub pond, 24 x 36 in, scales vary

R09: (Environmental Protection

Agency - Superfund Technical

Assessment & Response Team)

1116446 3/31/2008Draft Technical Memo: Survey of wildlife activity in

evaporation ponds areas, w/o compact disc (app B)R09: (Integral Consulting Inc)

2164553 4/1/2008

TL: Data packages, SDG 0500007, 0500008,

0500009 & 0500010, soil samples for gamma &

gross alpha & beta analyses, collected 1/11/2005,

1/24/2005, 1/26/2005-1/27/2005, 2/2/2005 &

2/4/2005

R09: Griggs, John

(Environmental Protection

Agency - Office of Radiation &

Indoor Air)


Agency - Region 9)

2182731 4/15/2008(Redacted, FOIA ex 6) Email: Forwards photos fr P

Pauly re 4/14/08 dust event, w/history

R09: Herlocker, Doug (Tetra

Tech E M, Inc)

R09: Hollan Burke, Nadia (Environmental

Protection Agency - Region 9)

Page 1 of 11


Superfund Site




2182732 4/21/2008(Redacted, FOIA ex 6) Email: Discusses dust event

on 4/19/08

R09: Pauly, Resident, Peggy

(City of Yerington, NV)


Protection Agency - Region 9), R09: Herlocker,

Doug (Tetra Tech E M, Inc), R09: Mcguire,

Terry (Sierra Nevada Air Quality Group, L L C)

2182733 4/23/2008(Redacted, FOIA ex 6) Email: Responds to email re

dust event on 4/23/08, w/history


Tech E M, Inc)

R09: Pauly, Resident, Peggy (City of Yerington,

NV)

2182734 4/29/2008(Redacted, FOIA ex 6) Email: Responds to email re

dust event on 4/29/08, w/history


Tech E M, Inc)

R09: Mcguire, Terry (Sierra Nevada Air Quality

Group, L L C), R09: Mcginnis, Dietrick

(McGinnis & Assoc, L L C), R09: Pauly,

Resident, Peggy (City of Yerington, NV)

2163309 5/28/2008 Anaconda ponds assessment rpt R09: (Team 9)R09: (Environmental Protection Agency -

Region 9)

2164493 6/19/2008

Data package - SDG 0800004, 1 soil sample for

actinides (uranium) by extraction chromatography,

collected 11/16/2007

R09: Griggs, John


Agency - National Air &

Radiation Environmental

Laboratory), R09: Wisdom,

Mary (Environmental

Protection Agency - National Air

& Radiation Environmental

Laboratory)

R09: (Environmental Protection Agency -

Region 9)

2164495 6/19/2008


actinides (thorium) by extraction chromatography,

collected 11/16/2007

R09: Griggs, John





Mary (Environmental



Laboratory)


Region 9)

2163316 6/27/2008Ltr: Comments on draft technical memo survey of

wildlife activity in evaporation ponds areas at site

R09: Williams, Robert (US Fish

& Wildlife Service)



Page 2 of 11


Superfund Site




2164492 6/27/2008

Memo: Data packages for isotopic uranium &

thorium analysis of sample collected from site, w/o

attchs

R09: Griggs, John



Indoor Air)


Agency - Region 9)

2164494 6/30/2008


radium-226 in environmental matrices, collected

11/16/2007

R09: Griggs, John





Mary (Environmental



Laboratory)


Region 9)

1116447 7/1/2008Public review draft RI rpt, Arimetco facilities OU 8,

w/apps A-IR09: (C H 2 M Hill, Inc)


Region 9)

2164496 7/2/2008Memo: Data package for radium-226 analysis of

sample collected from site, w/o attchs

R09: Griggs, John



Indoor Air)


Agency - Region 9)

2163317 7/9/2008

Ltr: Comments on draft technical memo survey of

wildlife activity in evaporation pond areas at site,

dated 3/31/2008, w/attch

R09: Conway, Vince (Yerington

Paiute Tribe)



1113070 8/15/2008TL: ARC mitigation plan for deterring birds from

lined evaporation & pumpback ponds


Richfield Co)


Protection Agency - Region 9), R09: Higgins,

Damian (US Fish & Wildlife Service)

2174063 8/15/2008Anaconda Mine radiation assessment ltr rpt

(compact disc only - attch 3)R09: Testa, Nicole (Team 9)

R09: Duncan, Will (Environmental Protection

Agency - Region 9)

2175202 8/15/2008Mitigation plan for deterring birds fr lined

evaporation & pumpback pondsR09: (Integral Consulting Inc) R09: (Atlantic Richfield Co)

2180497 8/15/2008Anaconda Mine radiation assessment ltr rpt, w/o

compact disc (attch 3)R09: Testa, Nicole (Team 9)

R09: Duncan, Will (Environmental Protection

Agency - Region 9)

2175132 9/3/2008

Ltr: Approves implementation of 8/15/2008

"Mitigation Plan for Deterring Birds fr Lined

Evaporation & Pumpback Ponds"

R09: Williams, Robert (US Fish

& Wildlife Service)R09: Thun, Roy (Atlantic Richfield Co)

Page 3 of 11


Superfund Site




2175131 9/12/2008

Email: ARC to begin weekly rpts of daily

observations to Nevada Fish & Wildlife Office of

USFWS in coordination with Nevada Dept of

Wildlife (NDOW), effective 11/7/2008, w/history


Richfield Co)

R09: Higgins, Damian (US Fish & Wildlife

Service)

1113085 9/15/2008Anaconda evaporation ponds removal action

characterization workplan, w/apps A-CR09: (Brown & Caldwell) R09: (Atlantic Richfield Co)

1113395 9/15/2008

Ltr: Transmits comments on "Conceptual

Characterization Approach for Inactive Anaconda

Evaporation Ponds in Support of a Removal Action",

comments on"Draft Removal Action

Characterization Workplan", & revised workplan,

w/o attchs


Richfield Co)



1116387 9/15/2008

ARC responses to EPA comments on "Conceptual

Characterization Approach for Inactive Anaconda

Evaporation Ponds in Support of a Removal Action",

6/20/2008, & "Draft Removal Action

Characterization Workplan", 8/22/2008, w/TL to N

Hollan fr R Thun

R09: (Atlantic Richfield Co)R09: (Environmental Protection Agency -

Region 9)

2175062 9/17/2008Email: Documents dust event conditions on

9/16/2008 with photos, w/history

R09: Mcginnis, Dietrick

(McGinnis & Assoc, L L C)



2179872 9/22/2008Drawings (4): Phase I/II pond improvement,

drawings C-1 to C-4


Agency - Superfund Technical

Assessment & Response Team)

2175134 9/30/2008

Ltr: Provides projected schedule for field activities

& data summary rpt submittal for 9/15/2008

"Anaconda Evaporation Ponds Removal Action

Characterization Workplan"


Richfield Co)



2175136 10/3/2008

Ltr: EPA approves ARC's 9/15/2008 "Anaconda

Evaporation Ponds Removal Action

Characterization Workplan" per unilateral

administrative order 9-2007-0005, w/o attch

R09: Hollan Burke, Nadia


Agency - Region 9)

R09: Thun, Roy (Atlantic Richfield Co)

Page 4 of 11


Superfund Site




2175196 10/21/2008

Ltr: Discusses & transmits comments on public

review draft RI rpt for Arimetco facilities OU 8,

7/2008, w/attch


Richfield Co)



2175217 10/29/2008

Anaconda soil & groundwater 2008 split sampling,

project R09S08, SDG 08290C, 2 water samples for

total dissolved solids, collected 10/14/2008, w/TL

to N Hollan fr B Bettencourt


Agency - Region 9 Laboratory)


Region 9)

1114648 10/30/2008Polrep #7 - Demob, 10/20-10/30/2008, DO 022-

9036

R09: Dunkelman, Tom


Agency - Region 9)

R09: Wong, Jeannie (Environmental Protection

Agency - Region 9), R09: Takata, Keith

(Environmental Protection Agency - Region 9),



2175326 11/4/2008Ltr: Proposed characterization approach for Process

Areas radiological materials removal action

R09: Winsor, Chris (Atlantic

Richfield Co)



2180496 11/4/2008Ltr: Comments on Anaconda Mine radiation

assessment ltr rpt

R09: Winsor, Chris (Atlantic

Richfield Co)



1116438 11/12/2008 QAPP, revision 4, w/apps A-ER09: (Brown & Caldwell), R09:

(Environmental Standards, Inc)R09: (Atlantic Richfield Co)

2175203 11/14/2008

Ltr: Daily records of pumpback & lined evaporation

ponds wildlife observations, 11/3-11/7/2008,

w/encl

R09: Williams, Les (Integral

Consulting Inc)

R09: Williams, Robert (US Fish & Wildlife

Service)

2175204 11/20/2008



w/encl


Consulting Inc)


Service)

2175221 11/24/2008



alkalinity, total organic carbon, anions by ion

chromatography & ph, collected 10/14/2008, w/TL

to N Hollan fr B Bettencourt




Region 9)

Page 5 of 11


Superfund Site




2175218 11/25/2008


project R09S08, SDG 08290B, 15 soil samples for

mercury, metals, & percent solids, collected

10/14/2008-10/15/2008, w/TL to N Hollan fr B

Bettencourt




Region 9)

2175205 11/26/2008



w/encl


Consulting Inc)


Service)

2175219 11/26/2008



mercury & metals, collected 10/14/2008, w/TL to N

Hollan fr B Bettencourt




Region 9)

2179874 12/3/2008Ltr: Daily records of pumpback & lined evaporation

ponds wildlife observations, 11/24-28/2008, w/encl


Consulting Inc)


Service)

1115667 12/18/2008Ltr: Anaconda Mine pond removal support, Old

Raffinate Pond rpt, w/attchs A-D

R09: Edwards, Howard (Ecology

& Environment, Inc)

R09: Dunkelman, Tom (Environmental


2179868 12/26/2008 Ltr: Inspection of Arimetco facilities on 11/20/2008

R09: Sawyer, Joe (NV Dept of

Conservation & Natural

Resources - Div of

Environmental Protection)




ponds wildlife observations, 12/2008, w/encl


Consulting Inc)


Service)

2167993 1/30/2009Conceptual site model (revision 3) (compact disc

only - Apps A-E)



2179867 1/30/2009Conceptual site model (revision 3), w/o compact

disc (Apps A-E)



1116593 2/19/20092008 annual groundwater monitoring rpt, part 3 -

app G, part 1 (electronic version)


(Norwest Applied Hydrology)R09: (Atlantic Richfield Co)

Page 6 of 11


Superfund Site





app G, part 2 (electronic version)




apps A-F (electronic version)




apps H-I (electronic version)




report & figures (electronic version)




ponds wildlife observations, 1/2009, w/encl


Consulting Inc)


Service)

2167992 2/27/2009

Air quality monitoring program, data summary rpt,

revision 1 (compact disc only - Apps B, C, E, K, N, O,

& P)


2179863 2/27/2009

Air quality monitoring program, data summary rpt,

revision 1, w/o compact disc (Apps B, C, E, K, N, O,

& P)


2179864 2/27/2009Baseline human health risk assessment workplan

for inhalation pathway, w/App A


(Foxfire Scientific, Inc), R09: (R T

P Environmental Assoc, Inc)

R09: (Atlantic Richfield Co)

1116459 3/9/2009Background soils data summary rpt, revision 1, w/o

compact disc (Apps D-E)R09: (Brown & Caldwell) R09: (Atlantic Richfield Co)

1116724 3/9/2009Figure - Arsenic concentrations in groundwater,

evaporation ponds area (draft)R09: (Brown & Caldwell)

1116725 3/9/2009Figure - Barium concentrations in groundwater,


1116726 3/9/2009Figure - Boron concentrations in groundwater,


1116727 3/9/2009Figure - Cadmium concentrations in groundwater,


Page 7 of 11


Superfund Site




1116728 3/9/2009Figure - Calcium concentrations in groundwater,


1116729 3/9/2009Figure - Chloride concentrations in groundwater,


1116730 3/9/2009Figure - Chromium concentrations in groundwater,


1116731 3/9/2009Figure - Copper concentrations in groundwater,


1116732 3/9/2009Figure - Iron concentrations in groundwater,


1116733 3/9/2009Figure - Magnesium concentrations in groundwater,


1116734 3/9/2009Figure - Manganese concentrations in groundwater,


1116735 3/9/2009Figure - Molybdenum concentrations in

groundwater, evaporation ponds area (draft)R09: (Brown & Caldwell)

1116736 3/9/2009Figure - Nickel concentrations in groundwater,


1116737 3/9/2009Figure - pH (field) in groundwater, evaporation

ponds area (draft)R09: (Brown & Caldwell)

1116738 3/9/2009

Figure - Radium-226 & Radium-228 combined

concentrations in groundwater, evaporation ponds

area (draft)

R09: (Brown & Caldwell)

1116739 3/9/2009Figure - Selenium concentrations in groundwater,


1116740 3/9/2009Figure - Silicon concentrations in groundwater,


1116741 3/9/2009Figure - Sodium concentrations in groundwater,


1116742 3/9/2009Figure - Sulfate concentrations in groundwater,


1116743 3/9/2009Figure - Total alkalinity concentrations in

groundwater, evaporation ponds area (draft)R09: (Brown & Caldwell)

1116744 3/9/2009Figure - Total organic carbon (TOC) concentrations

in groundwater, evaporation ponds area (draft)R09: (Brown & Caldwell)

Page 8 of 11


Superfund Site




1116745 3/9/2009Figure - Uranium concentrations in groundwater,


1116746 3/9/2009Figure - Zinc concentrations in groundwater,


1116747 3/9/2009Figure - Arsenic concentrations in MWMP leachate,


1116748 3/9/2009Figure - Copper concentrations in MWMP leachate,


1116749 3/9/2009Figure - Iron concentrations in MWMP leachate,


1116750 3/9/2009Figure - Manganese concentrations in MWMP

leachate, evaporation ponds area (draft)R09: (Brown & Caldwell)

1116751 3/9/2009Figure - Nickel concentrations in MWMP leachate,


1116752 3/9/2009

Figure - Radium 226 & Radium-228 combined

concentrations in MWMP leachate, evaporation

ponds area (draft)

R09: (Brown & Caldwell)

1116753 3/9/2009Figure - Uranium concentrations in MWMP

leachate, evaporation ponds area (draft)R09: (Brown & Caldwell)

1116754 3/9/2009Figure 2-6 - Evaporation pond sample location map

(draft)R09: (Brown & Caldwell)

1116755 3/9/2009Figure - Arsenic concentrations of solid materials,


1116756 3/9/2009Figure - Copper concentrations of solid materials,


1116757 3/9/2009Figure - Iron concentrations of solid materials,


1116758 3/9/2009Figure - Mercury concentrations of solid materials,


1116759 3/9/2009Figure - Molybdenum concentrations of solid

materials, evaporation ponds area (draft)R09: (Brown & Caldwell)

1116760 3/9/2009Figure - Nickel concentrations of solid materials,


1116761 3/9/2009Figure - Radium-226 & radium-228 concentrations

of solid materials, evaporation ponds area (draft)R09: (Brown & Caldwell)

Page 9 of 11


Superfund Site




1116762 3/9/2009Figure - Radium-226 concentrations of solid


1116763 3/9/2009Figure - Radium-228 concentrations of solid


1116764 3/9/2009Figure - Selenium concentrations of solid materials,


1116765 3/9/2009Figure - Thallium concentrations of solid materials,


1116766 3/9/2009Figure - Total uranium concentrations of solid


1116767 3/9/2009Figure - Zinc concentrations of solid materials,


1116768 3/9/2009 Table 2-1 - Borehole samples (draft) R09: (Brown & Caldwell)

1116769 3/9/2009 Table 2-2 - Solids - geochemical analysis (draft) R09: (Brown & Caldwell)

1116770 3/9/2009 Table 2-3 - Soil geotechnical tests (draft) R09: (Brown & Caldwell)

1116771 3/9/2009 Table 2-4 - Soil leaching analysis (draft) R09: (Brown & Caldwell)

1116772 3/9/2009Table 2-5 - Groundwater - geochemical analysis


1116773 3/9/2009 Table 2-6 - Hand core samples (draft) R09: (Brown & Caldwell)

1116774 3/9/2009Table 3-1 - Percent moisture - pond sediments &

soils (draft)R09: (Brown & Caldwell)

1116775 3/9/2009 Table 3-2 - Solids geochemical results (draft) R09: (Brown & Caldwell)

1116776 3/9/2009Table 3-3 - Solids geochemical results by material

type & pond locations (draft)R09: (Brown & Caldwell)

1116777 3/9/2009 Table 3-4 - Groundwater geochemical results (draft) R09: (Brown & Caldwell)

1116778 3/9/2009 Table 3-5 - MWMP leachate chemical results (draft) R09: (Brown & Caldwell)

1116779 3/9/2009Table 4-1 - Geotechnical soil hydraulic properties


1116780 3/9/2009Table 4-2 - Geotechnical particle size & soil

classification (draft)R09: (Brown & Caldwell)

Page 10 of 11


Superfund Site




1116826 3/9/2009

Email: Transmits tables & figures fr Evaporation

ponds characterization DSR for members of

technical working group, w/o attchs

R09: Zimmerman, Chuck

(Brown & Caldwell)

R09: Thun, Roy (Atlantic Richfield Co), R09:

Hollan Burke, Nadia (Environmental


2174068 3/9/2009Background soils data summary rpt, revision 1

(compact disc only - Apps D-E)R09: (Brown & Caldwell) R09: (Atlantic Richfield Co)

2181733 3/9/2009 TL: Background soils data summary rpt, revision 1R09: Thun, Roy (Atlantic

Richfield Co)



2173245 5/20/2009

List of US EPA guidance documents consulted

during development & selection of response action

for site


Agency - Washington, D C)

2179869 UndatedOperating instructions for Sunsei SolarCharger

150/500/1500

R09: (I C P Solar Technologies,

Inc)

2179870 UndatedOperating instructions for Zon GT 300 timer for

scarecrow deviceR09: (Margo Supplies, Ltd)

2179871 UndatedOperating instructions for Zon Mark 3 Plus

electronic scare cannonR09: (Margo Supplies, Ltd)

Page 11 of 11

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