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Pacific Southwest, Region 9: Superfund

Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations

Cyprus Tohono Mine

Superfund Site

NON-TIME-CRITICAL REMOVAL

Administrative Record Index

To request copies of administrative record documents, an electronic order form is available.


This administrative record file contains the documents that the U.S. Environmental Protection Agency (EPA) is currently using to identify appropriate response activities for the Cyprus Tohono Mine Superfund site non-time-critical removal near North Komelik, Arizona. It is presented in compact disk (CD) format. The administrative record file will be supplemented periodically; it will be complete after public comments on EPA's Proposed Plan, EPA's response to comments, and the Action Memo are included.

EPA welcomes questions and comments on documents contained in the administrative record file. Please contact:

John Hillenbrand or: Lauren Berkman
Remedial Project Manager Community Involvement Coordinator
U.S. EPA (SFD-8-2)) U.S. EPA (SFD-3)
75 Hawthorne Street 75 Hawthorne Street
San Francisco, CA 94105-3901 San Francisco, CA 94105-3901
(415) 972-3494 (415) 972-3292 or (800) 231-3075


List of Abbreviations and Acronyms Used in Administrative Record Index

ABBREVIATIONMEANING
&And
3rdThird
4thFourth
appsAppendices
ARAR Applicable or Relevant and Appropriate Restriction (or Requirement)
Attch(s)Attachment(s)
AZArizona
CERCLA Comprehensive Environmental Response, Compensation, and Liability Act of 1980
CIVCivil Action Number
CLRCalcine Leach Residues
CoCompany
CorpCorporation
CTCyprus Tohono
CTCCyprus Tohono Corporation
doc Document
DOJDepartment of Justice
EE/CAEngineering Evaluation/Cost Analysis
emailElectronic Mail
encl (s)Enclosure (s)
EPAEnvironmental Protection Agency
exh Exhibit
ex (s)Exemption (s)
FOIAFreedom of Information Act
fr From
FaxFacsimile
FS Feasibility Study
FSP Field Sampling Plan
ftFeet
inInch (es)
IncIncorporated
info Information
ltr Letter
memo Memorandum
mgmtManagement
MPOMine Plan of Operation
mtgMeeting
MtnsMountains
NNorth
notif Notification
NPDES National Pollutant Discharge Elimination System
NWNorthwest
OU Operable Unit
p Page
PA/SIPreliminary Assessment/Site Inspection
pH(Potential of Hydrogen) Measure of Acidity & Alkalinity
photosPhotographs
pkgPackage
pp Pages
PRP Potential Responsible Party
ptPart
PVSCPuente Valley Steering Committee
RARemedial Action
RCRA Resource Conservation and Recovery Act
re Regarding
ref Referencing
RI Remedial Investigation
ROC Record of Communication
rpt Report
SAPSample Analysis Plan
SDGSample Delivery Group
SOW Statement of Work
SPLPSynthetic Precipitation Leaching Procedure
THThorium
TL Transmittal Letter
TM Technical Memo
UUranium
UAO Unilateral Administrative Order
USAUnited States of America
v Volume
VOC Volatile Organic Compound
w/ With
w/o Without

Administrative Record Index

Doc_dateAuthorAddresseeTitle_subjectDocid
--Hecla Mining CoOversize Map: Topographic, Noranda Lakeshore Mines, Inc, 1 in = 1000 ft, 2.5 ft x 3 ft 2 in2084678
1/1/1901--(Privileged, FOIA ex 5) SITE ASSESSMENT FILE: HRS scoresheets, correspondence, rpts (Privileged document target only)2096211
1/1/1901--Comments & responses re draft EE/CA for evaporation ponds & surrounding area2104066
1/1/1901--Comments on EE/CA for evaporation ponds & immediate surrounding area2084327
1/1/1901--Cyprus Tohono Corp non-MPO monitor well sampling, table of elevation, pH, conductivity & sulfate ion concentrations of monitor wells2084667
1/1/1901--Design criteria requirements, w/marginalia2084120
1/1/1901Carolyn Douglas / Environmental Protection Agency - Region 9Edward Manuel / Tohono O'odham NationLtr: Acknowledges receipt of 4/9/02 ltr requesting technical assistance to evaluate environmental impact fr Cyprus Tohono mine2084366
1/1/1901--Mtg presentation material, interim pit mgmt2084114
1/1/1901--Pit lake water quality info, 8/27/97-1/19/002084662
1/1/1901--Production well #1 data, 2/9/70-5/822084113
1/1/1901Cyprus Tohono Corp-Tohono O'Odham Nation's comments on EE/CA for evaporation ponds & immediate surrounding area2084326
1/1/1901--Tohono O'Odham Utility Authority, water quality analysis, North Komelik, inorganic chemicals, PWSID # AZ0400-028, sample dates 7/30/85-12/17/972084663
1/1/1901--Tohono O'Odham/EPA mtg issues2084660
1/1/1901Natural Resources Consulting Engineers, IncTohono O'odham NationWater analysis, natural groundwater & pit lake, sample dates 6/2/98-7/22/99, w/marginalia2084664
12/11/1969Litton Industries, Inc - Aero Service CorpHecla Mining CoOversize Map: Topographic, Lakeshore mine, 1 in = 6000 ft, 2.5 ft x 3 ft2084675
2/16/1973Johannessen & Girand-Oversize Drawing: Noranda Lakeshore Mines, Inc, sewage lagoon, 1 in = 40 ft, 2 ft x 3 ft2084676
9/20/1973--Oversize Map: Topographic, Noranda Lakeshore Mines, Inc, area plot plan, Lakeshore sewage system, 1 in = 2400 ft, 2 ft x 3 ft2084677
10/9/1979Pima County, AZ - Dept of Environmental Quality-Excerpt: Pima County state implementation plan (SIP), w/ marginalia2104057
1/1/1981US Geological Survey-Oversize Map: Topographic, North Komelik quadrangle, AZ, 1 in = 24000 ft, 2.5 ft x 2 ft 8 in2084673
1/31/1986--Handwritten Notes: Noranda Lakeshore mine site 3082084142
1/31/1986Frank Covington / Environmental Protection Agency - Region 9Paul Musgrove / Noranda Lakeshore Mines, IncLtr: Noranda Lakeshore Mines, Inc does not hold NPDES permit authorizing discharge of wastewater, so must comply with enclosed requirements, w/encl & w/o mail receipt2084143
3/13/1986Paul Musgrove / Noranda Lakeshore Mines, IncGreg Arthur / Environmental Protection Agency - Region 9Ltr: Response to EPA ltr #308-FY86-009, w/attchs2084145
12/19/1986--Excerpt: NPDES sampling, documentation & results rpt, 12/15-19/86 EPA compliance sampling inspections, Anticoch Zonia, Noranda Lakeshore & Phelps Dodge Copper Queen mines, ASARCO Hayden smelter, ASARCO Ray mining operations & ICCCo Inspiration operations2084138
5/22/1987Greg Arthur / Environmental Protection Agency - Region 9Brenda Buck / Environmental Protection Agency - Region 9Memo: Analytical results, AZ mine sampling inspections, 12/15-19/862084139
7/17/1987Greg Arthur / Environmental Protection Agency - Region 9-NPDES sampling, documentation & results rpt, Noranda Lakeshore, Antioch Zonia & Phelps Dodge Copper Queen mines, ASARCO Hayden smelter, ASARCO Ray & ICCCo Inspiration operations, sampled 12/15-19/86, w/8/13/87 TL fr S Fuller to E Swanson(concurrence copy)2084141
7/24/1987Greg Arthur / Environmental Protection Agency - Region 9-NPDES compliance sampling rpt, Noranda Inc, Lakeshore mine, inspected 12/16/86, w/TL fr S Fuller to P Musgrove, dated 8/13/87 (concurrence copy)2084140
8/24/1987Brent Bailey / Noranda, Inc - Environmental ServicesSteve Fuller / Environmental Protection Agency - Region 9Ltr: Noranda Lakeshore mine sold to Cyprus Minerals Co2084146
1/1/1989US Geological Survey-Oversize Map: Topographic, provisional edition, Santa Rosa Mtns NW, AZ, 1 in = 2400 ft, 4 ft 5 in x 2 ft, w/marginalia2084671
7/16/1991--Oversize Map: Topographic, Casa Grande Corp, 1 in = 1000 ft, 3 ft x 3 ft 4 in, w/marginalia2084672
7/26/1991--Oversize Map: Topographic, Cyprus Casa Grande Corp, soil sampling locations after 8/31/92 spill, 1 in = 500 ft, 2.5 ft x 2.5 ft, sheet 1 of 4, w/marginalia on post-its2084670
11/5/1992Jeremy Johnstone / Environmental Protection Agency - Region 9Cindy Lester / US Army Corps of EngineersLtr: Transmits documentation on cementation barren line break on 10/31/92, w/encls2084123
11/30/1992Ronald Clawson / Environmental Protection Agency - Region 9
Susan Johnson / Environmental Protection Agency - Region 9
Kenneth Greenberg / Environmental Protection Agency - Region 9(Privileged, FOIA exs 5 & 7) Memo: Trip rpt - AZ inspection trip 11/16-11/20/92 - inspected Cyprus Casa Grande facility, Cyprus Sierrita Corp mine, & Phelps Dodge Corp Morenci Mine (Privileged document target only)2096227
12/10/1992Jeremy Johnstone / Environmental Protection Agency - Region 9Cindy Lester / US Army Corps of Engineers(Privileged, FOIA exs 5 & 7) ROC: Sulfuric acid release on Tohona-O'odham (Papago) Indian Reservation (Privileged document target only)2096228
12/14/1992--Oversize Aerial Photo: Cyprus Casa Grande Corp, 1 in = 1000 ft, 3 ft x 3 ft 8 in2084674
12/22/1992Environmental Protection Agency - Water Management DivRonald Kellner / Cyprus Casa Grande Corp
John Kline / Cyprus Casa Grande Corp
NPDES compliance monitoring rpt, Cyprus Casa Grande Corp (11/17/92 inspection date), w/sign-off2084131
4/1/1993T R C Environmental CorpCyprus Casa Grande CorpStorm water pollution prevention plan, Cyprus Casa Grande mine2084135
4/5/1993Ken Greenberg / Environmental Protection Agency - Region 9Ronald Kellner / Cyprus Casa Grande CorpLtr: Transmits NPDES compliance evaluation inspection rpt, inspection date 11/17/92, w/encl2084132
5/28/1993Michael Clark / T R C Environmental CorpJohn Kline / Cyprus Casa Grande CorpLtr: Summary of process spill protection design, w/encls2084127
9/1/1993Ronald Clawson / Environmental Protection Agency - Region 9Kenneth Greenberg / Environmental Protection Agency - Region 9Memo: Trip rpt, AZ copper mines, 8/23-26/932084387
9/29/1993Harry Seraydarian / Environmental Protection Agency - Region 9Ronald Kellner / Cyprus Casa Grande CorpLtr: Cyprus Casa Grande Corp request for NPDES permit coverage, storm water discharges associated with industrial activity in AZ, 4/1/93 plan revision (concurrence copy)2084134
9/30/1993Environmental Protection Agency - Region 9US Dept of Justice(Privileged, FOIA exs 5 & 7) Draft litigation rpt, Clean Water Act (CWA), US District Court, AZ, w/revised pp (Privileged document target only)2096229
10/4/1993John Kline / Cyprus Casa Grande CorpSusan Johnson / Environmental Protection Agency - Region 9Ltr: Response to compliance requirements for notice of violation, Cyprus Casa Grande Corp, docket #IX-FY93-302084130
9/2/1997Kermit Behnke / Cyprus Tohono CorpAddison Smith / Tohono O'odham NationLtr: Discusses & transmits monthly monitoring data for Komelik well taken 7/97, w/encl2084397
10/14/1997Tohono O'odham Nation - Legislative Council-Resolution to amend Solid Waste Management Code to extend implementation deadline by 6 months2104045
6/1/1999Golden Environmental Management, IncCyprus Tohono CorpHydrogeologic characterization, mine area, Cyprus Tohono Corp, appendices A-E2084106
9/1/1999US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry-Fact Sheet: Uranium2084343
3/21/2000US Dept of Justice - Environment & Natural Resources Div-Consent decree CIV '00 0654PHX RCB, USA v Cyprus Tohono Corp (draft)2084393
7/1/2000Montgomery Watson Mining Group-Excerpt: Hydrogeologic & geochemical site characterization rpt - groundwater quality2084389
7/1/2000Montgomery Watson, IncCyprus Tohono CorpHydrogeologic & geochemical site characterization rpt2104059
7/1/2000Montgomery Watson, IncCyprus Tohono CorpHydrogeologic & geochemical site characterization rpt, v2, apps C-F2096171
7/26/2000Timothy Fields, Jr / Environmental Protection Agency - Office of Solid Waste & Emergency ResponseEnvironmental Protection Agency - National Superfund Policy Managers, Regions 1-10Memo: Headquarters consultation for radioactively contaminated sites2104042
8/9/2000Ray Romero / Cyprus Tohono CorpGordon Cheniae / US Dept of the Interior - Bureau of Land ManagementLtr: Written notification of overflow fr heap leach pads into open pit on 8/7/2000 follows verbal notification on 8/8/2000, w/attchs re how to manage process solutions2084391
9/5/2000Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralJohn Hillenbrand / Environmental Protection Agency - Region 9Ltr: Mine history & overflow events, transmits hydrogeologic characterization rpts prepared by Cyprus Tohono Corp & consent decree, w/o encls2084399
9/26/2000Ian Hoffman / NONE-Newsclipping: Bird bodies found near copper mine's tailings ponds w/TL to J Hillenbrand fr J Jantzen2084400
10/10/2000Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralLeslie Campbell / US Dept of Health & Human Services - Agency for Toxic Substances & Disease RegistryLtr: Transmits recent water quality rpt for samples taken 7/14/2000 by Tohono O'Odham Utility Authority w/encl & marginalia2084392
11/1/2000Montgomery Watson, IncCyprus Tohono CorpReclamation plan for evaporation ponds & immediate surrounding area2104058
11/16/2000Ray Romero / Cyprus Tohono CorpJoel Gross / US Dept of Justice - Environment & Natural Resources Div
Mary Wesling / Environmental Protection Agency - Region 9
David Duncan / US Dept of Justice
Ltr: Ref consent decree CIV '00 0654PHX RCB, DOJ case #90-11-2-1240, Cyprus Tohono Corp has completed its obligations per consent decree2084394
11/24/2000US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry-Health consultation - north Komelik well, N Komelik, Sif Oidak district, AZ2084335
12/12/2000Allan Tittes / Cyprus Tohono CorpAddison Smith / Tohono O'odham NationLtr: Status of mining operation including cessation of stripping of 3C pushback, w/attchs & TL to J Hillenbrand fr M Hom2084395
2/28/2001David Saddler / Tohono O'odham Nation - Water/Wastewater & Propane DeptRay Romero / Cyprus Tohono CorpTL: Cost estimate for providing labor & support services for North Komelik/Anagam water line2084369
5/22/2001Tohono O'odham Nation - Legislative Council-Resolution to establish powers in Tohono O'odham Nation to restrain water pollution2104044
10/23/2001Maren Henley / Montgomery Watson HarzaRay Romero / Cyprus Tohono CorpTechnical Memo: Monitor well installation program completion summary2084107
11/19/2001Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralJohn Hillenbrand / Environmental Protection Agency - Region 9Ltr: Info re uranium levels, Gu Komelik drinking water well, w/attchs2084152
3/13/2002Timothy Eastep / Cyprus Tohono CorpJonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralLtr: Hydrological review projects info, w/attchs2084155
3/21/2002Timothy Eastep / Cyprus Tohono CorpJonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralLtr: Monitoring well locations, w/attch2084156
4/1/2002Cyprus Tohono Corp-Care & maintenance plan, w/ TL fr R Romero to M Hom & K Williams 4/24/20022104048
4/8/2002Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralRay Romero / Cyprus Tohono CorpLtr: Transmits water & sediment test results2104047
4/9/2002Edward Manuel / Tohono O'odham NationWayne Nastri / Environmental Protection Agency - Region 9Ltr: Requests EPA assistance2084157
5/31/2002Savci Environmental Technologies, L L CCyprus Tohono CorpProject mtg presentation, radionuclide data evaluation2084108
6/3/2002Clear Creek AssocCyprus Tohono CorpMODFLOW groundwater model documentation rpt2084109
6/7/2002Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralCarolyn Douglas / Environmental Protection Agency - Region 9Fax TL: New well results (preliminary)2084158
6/7/2002US Dept of the Interior - Fish & Wildlife Service-Water & Sediment Test Results w/TL to J Hillenbrand fr J Jantzen2084342
6/20/2002Edward Manuel / Tohono O'odham NationWayne Nastri / Environmental Protection Agency - Region 9Ltr: Requests change in nature of EPA assistance2084159
6/20/2002Cyprus Tohono Corp-Proposed process to develop closure & reclamation plans for Cyprus Tohono Corp - discussion draft 6/20/022096222
6/20/2002Edward Manuel / Tohono O'odham NationWayne Nastri / Environmental Protection Agency - Region 9Proposed process to develop closure & reclamation plans for Cyprus Tohono Corp, discussion draft2084160
6/25/2002Ray Romero / Cyprus Tohono CorpJonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralTL: Hydrological review projects info2084641
6/27/2002Alice Konieczki / US Geological SurveyCarol Weinstein / Environmental Protection Agency - Region 9Email: Transmits list of wells, location, well depth, & most recent water level & water quality data that have been collected in area, w/attchs2096223
7/1/2002Dalva Moellenberg / Gallagher & Kennedy (Attorneys)Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralLtr: Transmits draft SAP (dated 6/02), w/attchs2084643
7/23/2002Ray Romero / Cyprus Tohono CorpJonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralTL: Transmits MODFLOW model documentation rpt, dated 6/3/022084644
8/1/2002Weston Solutions, Inc
Telesto Solutions, Inc
-General site location - figure 2-1 & Sulfate concentration trends in Gu Komelik well - figure 3-12084356
8/1/2002Telesto Solutions, IncCyprus Tohono CorpMap: Source area delineation & site layout - figure 4-1 & drawing of evaporation pond sampling locations - figue 4-22084357
8/22/2002Environmental Protection Agency - Region 9-Agenda re site presentation by Cyprus Tohono Corp (CTC) (draft #3)2084364
9/16/2002David Saddler / Tohono O'odham Nation - Water/Wastewater & Propane DeptRay Romero / Cyprus Tohono CorpLtr: North Komelik/Anagram water line construction agreement, 1st addendum2084646
9/17/2002Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralRay Romero / Cyprus Tohono CorpLtr: Request for map showing groundwater data, additional lab rpts & well construction data2084647
9/20/2002David Saddler / Tohono O'odham Nation - Water/Wastewater & Propane DeptJohn Hillenbrand / Environmental Protection Agency - Region 9Email: Transmits 6 water line construction agreement documents, w/4 water line construction agreement docs & forward fr J Hillenbrand to C Douglas 9/24/022084341
9/24/2002Clear Creek AssocCyprus Tohono CorpCompletion rpt, installation of monitor wells CTC-3 - CTC-102084110
9/24/2002Steven Spangle / US Dept of the Interior - Fish & Wildlife ServiceRay Romero / Cyprus Tohono CorpLtr: Comments on sampling & analysis plan (SAP) for uranium characterization vat leach tailings, CLR & mill tailings & evaporation ponds & transmits additional comments, w/o additional comments2084359
9/24/2002Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralRay Romero / Cyprus Tohono CorpLtr: Tohono O'Odham Nation comments, SAP (dated 8/02), w/attch2084150
9/27/2002Savci Environmental Technologies, L L CCyprus Tohono CorpEvaluation of radionuclides in groundwater2084111
9/27/2002David Wallis / Gallagher & Kennedy (Attorneys)Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralLtr: Response to Tohono O'Odham Nation 9/19/02 ltr & transmittal of requested technical rpts, w/o attchs2084642
9/27/2002Cyprus Tohono Corp-Water quality database2104061
10/24/2002Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralDavid Glazer / US Dept of Justice - Environment & Natural Resources DivLtr: Tohono O'Odham Nation does not object to termination of 10/15/02 consent decree, US v Cyprus Tohono Corp, #00-0654 PHX RCB2084649
12/1/2002Weston Solutions, Inc-Excerpt: Cactus ferruginous pygmy owl - contact rpt 5 fr PA/SI rpt2096214
12/1/2002Cheryl LeCompte / Weston Solutions, IncEnvironmental Protection Agency - Region 9Preliminary assessment/site inspection SAP, w/marginalia2096215
1/7/2003Carolyn Douglas / Environmental Protection Agency - Region 9Jay Fumasa / Phelps Dodge CorpEmail: Sampling & analysis plan (SAP), Endangered Species Act, & pygmy owl w/history & forward2084372
1/9/2003David Taylor / Environmental Protection Agency - Region 9Carolyn Douglas / Environmental Protection Agency - Region 9SAP for PA/SI2096220
1/10/2003Carl Brickner, Jr / Environmental Protection Agency - Region 9Carolyn Douglas / Environmental Protection Agency - Region 9
Cheryl LeCompte / Weston Solutions, Inc
Email: EPA region 9 lab assignment & case number, w/o attch2084374
1/13/2003Cyprus Tohono Corp-Cyprus Tohono Corp (CTC) radionuclide data - tables 1-14 - preliminary draft, w/marginalia2084355
1/13/2003Carolyn Douglas / Environmental Protection Agency - Region 9Steven Spangle / US Dept of the Interior - Fish & Wildlife ServiceLtr: Plans to conduct one-time sampling event at site, w/attchs & marginalia (sampling may affect, is not likely to adversely affect pygmy owl)2084339
1/14/2003Steven Spangle / US Dept of the InteriorCarolyn Douglas / Environmental Protection Agency - Region 9Ltr: Response to request for information pursuant to section 7 of endangered species act, ref pygmy owl2084338
1/16/2003--Gu Komelik residential sampling results2084358
1/30/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QN4, soil sample for total metals, collected 1/14/03 (computer disk only)2033377
1/30/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QN4, soil sample for total metals, collected 1/14/03, w/mail receipts & w/o computer disk2033376
1/31/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QG2, soil sample for total metals, collected 1/13/03 (computer disk only)2033368
1/31/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QG2, soil sample for total metals, collected 1/13/03, w/TL & mail receipt & w/o computer disk2033367
1/31/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QL8, soil sample for total metals, collected 1/16/03 (computer disk only)2033373
1/31/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QL8, soil sample for total metals, collected 1/16/03, w/mail receipt & w/o computer disk2033372
1/31/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QR5, soil sample for total metals, collected 1/16/03 (computer disk only)2033379
1/31/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QR5, soil sample for total metals, collected 1/16/03, w/mail receipt & w/o computer disk2033378
1/31/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QW2, soil sample for total metals, collected 1/13/03 (computer disk only)2033381
1/31/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QW2, soil sample for total metals, collected 1/13/03, w/mail receipts & w/o computer disk2033380
2/1/2003Environmental Protection Agency - National Air & Radiation Environmental Laboratory-Data packages (6) re soil samples, collected 1/l13/03 SDG #03000052096212
2/6/2003Environmental Protection Agency - Region 9-Sample analysis rpts - U analyses & RA228 analyses, collected 1/13/03, soil matrix, SDG #03000052096216
2/7/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QG7, soil sample for total metals, collected 1/23/03, w/mail receipt & w/o computer disk2033369
2/7/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QK1, soil sample for total metals, collected 1/23/03 (computer disks only (2))2033371
2/7/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QK1, soil sample for total metals, collected 1/23/03, w/mail receipt & w/o computer disks2033370
2/10/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QN2, soil sample for total metals, collected 1/22/03 (computer disk only)2033375
2/10/2003Sentinel, IncEnvironmental Protection Agency - Region 9Data pkg, case 31351, SDG MY0QN2, soil sample for total metals, collected 1/22/03, w/mail receipt & w/o computer disk2033374
2/13/2003Environmental Protection Agency - Region 9-U analyses & TH analyses, soil samples, collected 1/13/03, rpt of SDG #03000062096217
3/18/2003Environmental Protection Agency - Region 9-Rpt narratives (6) re sulfate, nitrite-N, nitrate-N & alkalinity, Case R03S25, SDGs 03016B, 03016C, 03021C, 03021D, & 03027A - 03027D, w/TLs fr B Bettencourt to C Douglas 3/6/03 & 3/18/032096213
3/21/2003I C F Consulting/Laboratory Data ConsultantsCarolyn Douglas / Environmental Protection Agency - Region 9Data validation rpts (8): Case 31351, SDG MY0QG2, MY0QG7, MY0QK1, MY0QL8, MY0QN2, MY0QN4, MY0QR5, & MY0QW2, soil samples for total metals, collection dates 1/13-16,22,28, w/TLs to C Douglas fr D Lindelof 3/21/032096218
4/1/2003Cyprus Tohono Corp-Care & maintenance plan 2003, w/o apps B-H or attchs2096221
4/1/2003Cyprus Tohono Corp-Ongoing care & maintenance programs, w/photos2096219
4/21/2003David Saddler / Tohono O'odham Nation - Water/Wastewater & Propane DeptRay Romero / Cyprus Tohono CorpLtr: North Komelik water line2084651
4/21/2003Bryce Romig / Cyprus Tohono CorpCarolyn Douglas / Environmental Protection Agency - Region 9Ltr: Transmits preliminary radionuclide data for soils samples re PA/SI, w/encl2096174
4/21/2003John Petersen / Tohono O'odham Nation - Water Resources Study ProgramCarolyn Douglas / Environmental Protection Agency - Region 9Memo: Comments to draft PA/SI2096226
5/20/2003John Petersen / Tohono O'odham Nation - Water Resources Study ProgramJohn Hillenbrand / Environmental Protection Agency - Region 9Email: Transmits comments on SPLP analysis, w/o attchs2096225
6/10/2003Cyprus Tohono Corp-Fact Sheet: Info re issuance of NPDES permit, draft2096224
7/17/2003John Petersen / Tohono O'odham Nation - Water Resources Study ProgramCarolyn Douglas / Environmental Protection Agency - Region 9Memo: Cyprus response to request for furthur uranium analysis2096178
8/1/2003Randall Ross / Environmental Protection Agency - National Risk Management Research LaboratoryMichael Gill / Environmental Protection Agency - Region 9
Carol Weinstein / Environmental Protection Agency - Region 9
Carolyn Douglas / Environmental Protection Agency - Region 9
(Privilged, FOIA ex 5) Memo: Review comments for draft PA/SI rpt (Privileged document target only)2096230
8/1/2003Weston Solutions, IncEnvironmental Protection Agency - Region 9Preliminary assessment/site inspection rpt (PA/SI)2084332
8/1/2003Weston Solutions, IncEnvironmental Protection Agency - Region 9Preliminary assessment/site inspection rpt (PA/SI) table 3-1 groundwater quality data fr on-site monitoring wells2084333
8/1/2003Weston Solutions, IncEnvironmental Protection Agency - Region 9Preliminary assessment/site inspection rpt (PA/SI) table 3-4 source area sample results2084334
8/25/2003Ray Romero / Cyprus Tohono CorpCarolyn Douglas / Environmental Protection Agency - Region 9Ltr: Gu Komelik well replacement w/attchs2075360
12/1/2003Cyprus Tohono CorpEnvironmental Protection Agency - Region 9Comments on PA/SI rpt w/TL to C Douglas fr B Romig2084321
12/5/2003Lorinda Sam / Tohono O'odham NationCarolyn Douglas / Environmental Protection Agency - Region 9
Carol Weinstein / Environmental Protection Agency - Region 9
Email: Site visit 12/15 & 16, w/history2084377
12/17/2003Environmental Protection Agency - Region 9-Results of sampling investigation - mtg presentation w/marginalia2075354
2/10/2004Carolyn Douglas / Environmental Protection Agency - Region 9-(Privileged, FOIA ex 5) Site background & follow-up actions to PA/SI (Privileged document target only)2096231
2/11/2004Lorinda Sam / Tohono O'odham NationCarolyn Douglas / Environmental Protection Agency - Region 9Email: Site visit by Regional Administrator re Brownfields 128(a) program, w/history2084382
3/1/2004Montgomery Watson HarzaCyprus Tohono CorpDraft engineering evaluation/cost analysis, evaporation ponds & immediate surrounding area (revised 11/04), w/o TL2084116
4/29/2004-Donn Zuroski / Environmental Protection Agency - Region 9Comments on EE/CA for evaporation ponds & immediate surrounding area, w/marginalia & TLs2084322
5/18/2004Environmental Protection Agency - Region 9-Meeting agenda re EE/CA proposal w/sign-in sheet & marginalia2084350
6/10/2004John Hillenbrand / Environmental Protection Agency - Region 9Donn Zuroski / Environmental Protection Agency - Region 9Comments on EE/CA for evaporation ponds & immediate surrounding area with tribe's comments inserted in italics, w/TLs2084324
8/17/2004Carolyn Douglas / Environmental Protection Agency - Region 9-ROC: Conference call notes re cleanup alternatives w/ cover sheet2084354
8/27/2004Jay Fumusa / Cyprus Tohono CorpLorinda Sam / Tohono O'odham Nation
John Tinger / Environmental Protection Agency - Region 9
Ltr: Transmits 7/04 discharge monitoring rpt, Cyprus Tohono Corp, NPDES permit #AZ0024601, w/attch & w/o mail receipts2084652
9/1/2004Cyprus Tohono Corp-EE/CA alternatives list w/TL to J Hillenbrand fr Bryce Romig 9/9/042084347
9/10/2004Ray Romero / Cyprus Tohono CorpJohn Hillenbrand / Environmental Protection Agency - Region 9Ltr: Transmits alternatives list for EE/CA submittal w/attchs & email forward to J Hillenbrand fr S Skinner2084384
9/28/2004Jay Fumusa / Cyprus Tohono CorpJohn Tinger / Environmental Protection Agency - Region 9
Lorinda Sam / Tohono O'odham Nation
Ltr: Transmits 8/04 discharge monitoring rpt, Cyprus Tohono Corp, NPDES permit #AZ0024601, w/attch & w/o mail receipts2084653
11/11/2004Cyprus Tohono CorpCarolyn Douglas / Environmental Protection Agency - Region 9Comments on EE/CA for evaporation ponds & immediate surrounding area, w/TL2084325
11/11/2004John Petersen / Tohono O'odham Nation - Water Resources Study ProgramJonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralMemo: Comments on Cyprus Tohono Corp (CTC) documents2084353
11/11/2004Jay Fumusa / Cyprus Tohono CorpCarolyn Douglas / Environmental Protection Agency - Region 9Response to EPA comments, draft engineering evaluation/cost analysis, evaporation ponds & immediate surrounding area (revised 11/04), w/TL2084117
11/22/2004Carolyn Douglas / Environmental Protection Agency - Region 9-ROC: Cyprus Tohono Corp conference call - field pilot studies at site2084348
12/3/2004Lorinda Sam / Tohono O'odham NationJohn Hillenbrand / Environmental Protection Agency - Region 9
Carolyn Douglas / Environmental Protection Agency - Region 9
Email: Draft EE/CA review comments2084385
12/28/2004Jay Fumusa / Cyprus Tohono CorpJohn Tinger / Environmental Protection Agency - Region 9
Lorinda Sam / Tohono O'odham Nation
Ltr: Transmits 11/04 discharge monitoring rpt, Cyprus Tohono Corp, NPDES permit #AZ0024601, w/attch & w/o mail receipts2084665
1/7/2005Montgomery Watson Harza-Comments on draft EE/CA for evaporation ponds & immediate surrounding area, w/email TLs 1/7 & 1/10/052084323
1/27/2005Jay Fumusa / Cyprus Tohono CorpJohn Tinger / Environmental Protection Agency - Region 9
Lorinda Sam / Tohono O'odham Nation
Ltr: Transmits 12/04 discharge monitoring rpt, Cyprus Tohono Corp, NPDES permit #AZ0024601, w/attch & w/o mail receipts2084655
2/28/2005Jay Fumusa / Cyprus Tohono CorpLorinda Sam / Tohono O'odham Nation
John Tinger / Environmental Protection Agency - Region 9
Ltr: Transmits 1/05 discharge monitoring rpt, Cyprus Tohono Corp, NPDES permit #AZ0024601, w/attch & w/o mail receipts2084656
3/28/2005Jay Fumusa / Cyprus Tohono CorpJohn Tinger / Environmental Protection Agency - Region 9
Lorinda Sam / Tohono O'odham Nation
Ltr: Transmits 2/05 discharge monitoring rpt, Cyprus Tohono Corp, NPDES permit #AZ0024601, w/attch & w/o mail receipts2084657
4/8/2005John Hillenbrand / Environmental Protection Agency - Region 9Bryce Romig / Cyprus Tohono CorpEPA comments, draft engineering evaluation/cost analysis, evaporation ponds & immediate surrounding area (revised 11/04), w/TL2084118
6/1/2005Montgomery Watson HarzaCyprus Tohono CorpFinal draft, engineering evaluation/cost analysis, evaporation ponds & mill tailings ponds, w/TL fr J Fumusa to J Hillenbrand2084119
6/8/2005WestLand Resources, IncCyprus Tohono CorpConservation measures & construction phasing for EE/CA, w/ TL to S Richardson fr J Fumusa2104053
8/18/2005Clear Creek AssocCyprus Tohono CorpMtg presentation material, groundwater characterization update, w/TL fr R Romero to A Smith, dated 8/29/052084112
8/19/2005John Hillenbrand / Environmental Protection Agency - Region 9Bryce Romig / Cyprus Tohono CorpLtr: Transmits comments on final draft EE/CA, w/ encls2104052
10/1/2005-Cyprus Tohono Corp(Final) EE/CA for the evaporation pond & surrounding area, w/ TL to J Hillenbrand fr J Fumusa, 10/31/20052104060
10/3/2005Lorinda Sam / Tohono O'odham NationNina Jose / Tohono O'odham Nation - Sif Oidak DistrictLtr: Request for mailing list of North Komelik Community, Sif Oidak district, Casa Grande, AZ2084658
10/21/2005Ray Romero / Cyprus Tohono CorpAddison Smith / Tohono O'odham NationLtr: Transmits proposed monitor wells location map, Cyprus Tohono Corp, w/encl2084659
11/1/2005Environmental Protection Agency - Region 9-Fact Sheet: EPA proposes alternatives for closure of ponds at CT mine site2084121
11/14/2005--Response to questions/comments fr Cyprus Tohono Legislative Council mtg & public mtg2104043
12/1/2005Cyprus Tohono CorpEnvironmental Protection Agency - Region 9Interim design submittal for powerline canyon repository2096172
12/5/2005Vivian Juan-Saunders / Tohono O'odham Nation - Office of Chairwoman & Vice ChairmanJohn Hillenbrand / Environmental Protection Agency - Region 9Ltr: Comments on final EE/CA 10/30/05 for closure of evaporation ponds & tailings ponds at site2096176
12/8/2005John Hillenbrand / Environmental Protection Agency - Region 9Kathleen Johnson / Environmental Protection Agency - Region 9(Privileged, FOIA exs 5 & 7) Memo: Approves performance EE/CA for non-time critical removal action (unsigned), (00 EE/CA Start 001) (Privileged document target only)2096232
12/13/2005Harrison Karr / Environmental Protection Agency - Region 9Jonathan Jantzen / Tohono O'odham Nation - Office of Attorney GeneralLtr: Request for information re CTC & Tohono O'odham Nation2104046
12/21/2005Pinal County, AZ - Air Quality Control District-Excerpt: Pinal County Air Quality Control District Code of Regulations, (p 89), w/ marginalia2104056
12/21/2005Pinal County, AZ - Air Quality Control District-Excerpt: Pinal County Air Quality Control District code of regulations, (pp i-v, 47-52) w/ marginalia2104055
12/21/2005Tohono O'odham Nation - Legislative Council-Resolution of Tohono O'Odham legislative council - approving plan for closure of ponds at Cyprus Tohono mine, resolution # 05-739, w/TL to J Hillenbrand fr J Jantzen 12/21/2005.2096175
1/1/2006Tohono O'odham Nation - Legislative Council-Chapter 1 - Solid waste management (Tohono O'odham Code, Title 15, pp 666-689)2104041
1/1/2006Tohono O'odham Nation - Legislative Council-Chapter 4 - Cactus removal (Tonoho O'odham Code, Title 15, pp 722-723)2104039
1/1/2006Tohono O'odham Nation - Legislative Council-Chapter 5 - Rock, shrub, & plant removal (Tohono O'odham Code, Title 15, pp 725-726)2104040
2/1/2006Cyprus Tohono CorpEnvironmental Protection Agency - Region 92nd interim design submittal for evaporation pond area closure project2096173
3/27/2006Jay Fumusa / Cyprus Tohono CorpJohn Hillenbrand / Environmental Protection Agency - Region 9Ltr: Transmits 3rd interim design submittal for CTC evaporation pond area closure project 3/2006 re closure project, w/encls2096177
5/2/2006Jay Fumusa / Cyprus Tohono CorpJohn Hillenbrand / Environmental Protection Agency - Region 9Ltr: 4th interim design submittal for evaporation pond area closure re management of electrical conductivity in soils, w/ encls2104051
6/13/2006Steven Spangle / US Dept of the Interior - Fish & Wildlife ServiceJohn Hillenbrand / Environmental Protection Agency - Region 9Ltr: Recommendations re conservation measures & construction phasing rpt fr Westland Resources Inc2104049
7/5/2006Peter Steere / Tohono O'odham NationJay Fumusa / Cyprus Tohono CorpLtr: Transmits programmatic agreement for mineral development & discovery plan, w/ attchs2104062
7/7/2006Ray Romero / Cyprus Tohono CorpJohn Hillenbrand / Environmental Protection Agency - Region 9Ltr: 5th interim submittal for evaporation area pond closure project, w/ encls2104050
7/12/2006Pima County, AZ-Excerpt: Pima County code of regulations, chapter 17, w/ marginalia2104054
9/28/2006Kathleen Johnson / Environmental Protection Agency - Region 9-Memo: Amended request for non-time-critical removal action at site2106029
9/29/2006Kathleen Johnson / Environmental Protection Agency - Region 9-Administrative settlement agreement & order on consent for removal action, w/Apps A - D2106030

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