Iron Mountain Mine Superfund Site Old/#8 Mine Seep ... · 1077 AR 23 Dana Rippon, Linda Mohr...

SFUNO RECORDS CTR1652-04019

12/23/93

IRON MOUNTAIN MINE SUPERFUND SITEOld/#8 Mine Seep Operable Unit

Redding, CaliforniaADMINISTRATIVE RECORD INDEX

Chronological Order

AR0008

DATEyy/mm/dd

ROLL # FRAME it AR # AUTHOR ADDRESSEE SUBJECT

87/11/24 001 0001 AR 1 Environmental ProtectionAgency - Region 9

Iron Mountain Mine Superfund Site,October 1986 Record of DecisionAdministrative Record Index


Iron Mountain Mine SuperfundRemoval Site Administrative RecordIndex


Iron Mountain Mine Superfund SiteAdministrative Order #89-18Administrative Record Index


Iron Mountain Mine Superfund Site,Administrative Order #91-07Administrative Record Index

92/09/23 001

92/09/30 001

0063 AR 5

0078 AR 6

Peter LawsonCH2M Hill

Environmental ProtectionAgency - Region 9

Memo: Quality & quantity estimatesfor portal AMD flows, IMM

Iron Mountain Mine Superfund Site,Boulder Creek Operable Unit,September 1992 Record of DecisionAdministrative Record Index


Iron Mountain Mine Superfund Site,Unilateral Administrative Order 92-26, AR & Index, v1 (chronologicalindex)

92/11/05 001 1028 AR 20 Dana Rippon, Linda Mohr Environmental Protection Memo: Treatment plant siteCH2M Hi l l Agency - Region 9 evaluation

92/11/18 001 1046 AR 21 Dana Rippon, Linda Mohr Environmental Protection Technical memo: Draft high densityCH2M Hill Agency - Region 9 sludge (HDS) treatment plant site

evaluation

92/11/19 001

92/12/00 001

92/12/15 001

1059 AR 22

0470 AR 8

1077 AR 23

Dana Rippon, Linda Mohr Environmental Protection Memo: Treatment site evaluationCH2M Hill Agency - Region 9 .,

CH2M H i l l

Lee EricksonICI Americas, Inc

Environmental Protection Agency review draft R~I/FS, Old/#8Agency - Region 9 Mine Seep OU IMM Redding, CA (Cont

#68-W9-0031, WA #31-01-9N17)

Rick Sugarek Ltr: Transmits siting costEnvironmental Protection differential analysis (attch A) reAgency - Region 9 selection of AMD treatment plant

location, w/encl

12/23/93



chronological Order

DATE ROLL # FRAME # AR #yy/mm/dd

AUTHOR ADDRESSEE SUBJECT

92/12/17 001 0652 AR 9

92/12/17 001 1087 AR 24

92/12/22 001 1090 AR 25

92/12/29 001 AR 10

Jim StefanoffCH2M Hill

Daryl GreenwayCH2M Hill

Rick SugarekEnvironmental ProtectionAgency - Region 9



Lee Erickson1CI Americas, Inc


Engineering & cost calculations forOld/#8 Mine Seep RI/FS

Memo: Review of 12/15/92 ICIAmerica Itr re siting of treatmentplant at Brick Flat Pit

Ltr: High-density_sludge treatment -plant & waste pile remediation, RD& RA re Order 93-01, w/attchs A ft B

Ltr: Transmits for comment. AgencyReview Draft of RI/FS re seep ofAMD in vicinity of Old & #8 Minesin slickrock Creek drainage, w/oencl

92/12/29 001 1100 AR 26

93/01/05 001 1105 ' AR 27

Donn DiebertCA EnvironmentalProtection Agency - Deptof Toxic SubstancesControl

Roy F Weston, Inc

Greg BakerEnvironmental ProtectionAgency - Region 9

Ltr: Preliminary.project deliveryanalysis for AMD treatment plant,w/fax TL fr D Austin to D-Heiman12/29/92

IMM permanent AMD treatment plantsiting, response to 12/22/92 EPA 'Itr to L Erickson

93/01/05 001 1146 AR 28 James Pedri Rick SugarekCA Regional Water Quality Environmental ProtectionControl Board Agency - Region 9 ,

Ltr: Review of preliminary projectdelivery analysis (PPDA) 12/92,preference for Minnesota Flatslocation

93/01/05 001 1148 AR 29 Lee EricksonZeneca Inc.


Ltr: Transmits response to EPA relocation of permanent AMD treatmentplant, w/o encl, w/list ofdisadvantages to Minnesota Flatssite

93/01/12 001 1152 AR 30 B i l l MurdockCH2M Hill


Memo: Review comments ̂ h 1/5/93siting study for AMD"treatmentplant (study in favor of Brick FlatPit Location)

93/01/12 001 1157 AR 31 Edward UnderwoodCH2M Hill


Memo: Review comments, treatmentplant siting study

93/01/12 001 1162 AR 32 Rick Sugarek Lee Erickson Ltr: Notification that pursuant to

12/23/93

IRON MOUNTAIN MINE SUPERFUNO SITEOld/#8 Mine Seep Operable Unit


Chronological Order



93/01/13 001 1165 AR 33

93/01/14 001 1169 AR 34

93/01/15 001 0755 AR 11


Jim MavisCH2M Hill

Lee EricksonZeneca Inc.

William ThurstonEnvironmental ProtectionAgency - Region 9

Zeneca Inc.

Daryl GreenwayCH2H Hill


order 93-01, ERA selected MinnesotaFlats site for location oftreatment plant

Memo: Weston siting study review

Ltr: Siting of permanent AMDtreatment plant, operating costconsiderations

David Jones Memo: Water Management DivisionEnvironmental Protection (UMD) review of draft RI/FS forAgency - Region 9 . Old/#8 Mine Seep, for compliance w/

all federal water-related ARARs,w/comments

93/01/28 Q01

93/01/29 001

93/01/29 001

93/01/29 001

0757 AR 12

1172 AR 35

0760 AR 13

0769 AR 14

.James Pedri " Rick SugarekCA Regional Water Quality Environmental ProtectionControl Board - Central Agency - Region 9Valley Region

Rick.SugarekEnvironmental ProtectionAgency - Region 9

Ltr: Old/#8 Mine Seep RI/FS -Agency review draft, favorsneutralization treatment {0/#8-1)discusses advantages

Identification by RPH of publiccomments for response"

Bob Lewis James Pedri' Memo: IMM intensive survey -CA Regional Water Quality CA Regional Water Quality 12/23/93 - to measure sources ofControl Board - Central Control Board - Central metals fr IMM w/raap & tablesValley Region Valley Region

Duncan AustinCA EnvironmentalProtection Agency - Deptof Toxic SubstancesControl.


Ltr: Review of RI/FS for Old/#8,outflow treatment preferred overcementation

93/01/29 001 0774 AR 15

93/02/00 001 1250 AR 36

Roger PattersonUS Oept of Interior -Bureau of Reclamation



Ltr: Comments on Agenqy.,reviewdraft, Old/#8 Mine Seep'OU, RI/FS,supports treatment of"mine outflowin order to decrease AMD toSlickrock Creek

Fact sheet: EPA announces proposedplan for additional cleanup action:Old/#8 Mine Seep

Pcige12/23/93

IROH MOUNTAIN MINE SUPERFUND SITEOld/#8 Mine Seep Operable Unit


Chronological Order

DATE . ROLL # FRAME #yy/mm/dd

AR # AUTHOR ADDRESSEE SUBJECT

93/02/00 001

93/02/00 001

93/02/01 001

93/02/05 001

93/02/09 001

93/02/18 001

93/02/19 001

93/02/25 001

93/02/25 001

93/03/03 001

93/03/09 001

0777

0790

0994

1263

1009

1274

1279

1295

1345

1352

1361

AR 16

AR 17

AR 18

AR 37

AR 19

AR 38

AR 39

AR.40

AR 41

AR 42

i

AR 43



Kenneth IcemanCH2M Hill

Le'e EricksonZeneca Inc.


S LaRoccaZeneca Inc.

Environmental Protection•Agency - Region 9


Rahdy UnderwoodCH2M Hill








Fact Sheet: EPA announces proposedplan for additional cleanup action:Old/#8 Mine Seep

Public comment RI/FS, Old/#8 MineSeep Operable Unit '(WA #31-01-9N17)

Backup data for Old/#8 Mine Seep OUwater quality model at Keswick &ARARs assessment at Spring Creek

Ltr: Transmits 7 documents repermanent AMD treatment plant, w/1encl (permanent AMD treatment plantsiting layouts [2 drawings])

List of Guidance documentsconsulted during development &selection of response action forIMM Superfund Site Old/#8.Hine SeepOperable Unit

Ltr: Completion of Stauffer labtreatability work perAdministrative Order 93-01 &Boulder Creek OU ROD/'w/attch

Public comments on proposed plan

Community mtg re Old/#S Mine SeepOU

Ltr: Zeneca siting & plant conceptproposed changes, RD/RA highdensity sludge treatment plant reOrder 93-01, w/attchs A & B

Memo: Draft review of( Zeneca designdocuments submitted to^PA with2/19/93 Ur, w/fax ft' to Sugarek frGreenway 3/8/93

Memo: Review of Ueston designcriteria rpt for IMM treatmentplant

93/03/10 001 1365 AR 44 Lee Erickson Rick Sugarek Ltr: Transmits responses to EPA

12/23/93



Chronological Order

DATEyy/mm/dd

ROLL # FRAME # AR # AUTHOR ADDRESSEE SUBJECT

93/03/10 001

93/03/11 001

93/03/1Z 001

93/03/12 001

93/03/12 001

93/03/12 001

93/03/15 001

93/03/16 001

93/03/17 001

93/03/19 001

1380

1388

1396

1400

1403

1408

1428

1435

AR 45

AR 46

AR 47

AR 48

AR 49

1405 AR 50

AR 51

AR 52

AR 53

1438 AR 54

Zeneca Inc.

Randy UnderwoodCH2M Hill

Randy UnderwoodCH2H Hill

Daryl GreenwayCH2H Hill

Daryl Greenway, JohnSpitzleyCH2M Hill


Daryl Greenway, BillMurdockCH2M Hill



CH2M Hill











corrments detailed in attachments A& B of 2/25/93 Itr, w/attch

Memo: Review of Zeneca preliminaryplans a specifications, draftconstruction schedule documents2/93

Memo: Review of Zeneca preliminaryplans & specifications, draftconstruction schedule documents2/93 (revised) -

Sunnnary review of Zeneca submittals(draft)

Memo: List of items for whichZeneca is in non-compliance inperformance of required remedialdesign

Review.of Zeneca design criteriarpt

Memo: Review cotrments on designcriteria rpt for AMD treatmentplant

Htg between EPA & Zeneca 3/15/93 on.status of work pursuant to Order93-01, w/sign-up (ICI, EPA, DTSC) &notes

Mtg notes & outline of Stauffer-EPAmtg 3/16/93, w/signed list ofattendees -f'f

Map: 300 ft & 350 ft.'clarifiers at.Minnestota Flats w/fax TL fr DGreenway to R.Sugarek

Ltr: Transmits overheads shown atStauffer-EPA mtg 3/16/93, w/encl

12/23/93

IRON MOUNTAIN MINE SUPERfUND SHEOld/#8 Mine Seep Operable Unit

Redding, CaliforniaADMINISTRATIVE RECORD IHDEX

Chronological Order

DATE ROLL # FRAME # AR #yy/mni/dd


93/03/21 001 1449 AR 55 Dana RipponCH2M Hill


Memo: Need for flow equalizationfacilities for AMD at MinnesotaFlats or Heights site (draft)

93/03/22 001 1453 AR 56

93/03/22 001 1483 AR 57

93/03/24 001 1487 AR 58

93/03/24 001 1496 AR 59

93/03/25 GOT 1506 AR 60

93/03/25 001 1515 AR 61

93/03/26 001 1521 AR 62

93/03/27 001 1527 AR 63

93/03/27 001 1532 AR 64

'93/03/29 001 1535 AR 65


CH2M Hill

Jeffrey ZeliksonEnvironmental ProtectionAgency - Region 9

Jeffrey ZeliksonEnvironmental ProtectionAgency - Region 9

Daryl Greenway, JohnSpitzleyCH2M Hill


Daryt Greenway, JohnSpitzleyCH2M Hill


Daryl GreenwayCH2M Hit I

Rick- Sugarek - Ltr: Transmits copies of overheadsEnvironmental Protection fr Stauffer-EPA mtg 3/16/93,Agency - Region 9 w/encls

Rick Sugarek Map: Treatment plant layoutEnvironmental Protection (preliminary) w/fax TL fr DAgency - Region 9 Greenway to R Sugarek 3/22/93

Rhone-Poulenc BasicChemicals Co


Ltr: Notific'ation of violation, ofOrder 93-01 for design &construction of treatmentfacilities at IMM, w/attchs A & B

Ltr: Notification of violation ofOrder 93-01 for design &construction of treatment--facilities at IMM (concurrencecopy) w/attchs A & B

Rielt Sugarek Memo: Review comments orv-designEnvironmental Protection criteria rpt for IMM AMD treatmentAgency - Region 9 plant, w/attch B -

Rick Sugarek Memo: Review comments, onEnvironmental Protection preliminary plans & specificationsAgency - Region 9 - for permanent AMD .treatment plant

Rick Sugarek Memo: Review comments on designEnvironmental Protection criteria rpt for AMD treatmentAgency - Region 9 plant

Rick Sugarek Memo: Review comments onEnvironmental Protection preliminary design/draft final.Agency -'Region 9 project delivery analysis (fax

copy) • . '.'

Rick Sugarek Memo: Review comments (Attch D) onEnvironmental Protection draft construction schedufe forAgency - Region 9 permanent AMD treatment plant,

w/marginalia

Rick Sugarek Lee EricksonEnvironmental Protection Zeneca Inc.

Ltr: AMD treatment plantpreliminary design review mtgs re

-12/23/93

IRON MOUNTAIN MINE SUPERFUND SITEOld/#S Mine Seep Operable Unit


Chronological Order

DATE ROLLyy/mm/dd

FRAME # AR # AUTHOR ADDRESSEE SUBJECT

93/03/29 001 1542 AR 66

Agency - Region 9


Lee Ericks'onZeneca Inc.

Order 93-01

Ltr: AMD treatment plantpreliminary design submittal reviewcomments re Order 93-01, w/attchsA-D

93/03/31 001

93/04/00 001

93/04/00 001

1560 AR 67

1650 AR 68

1689 AR 69


Roy F Weston, Inc

Roy F Weston, Inc


Stauffer Management Co

Stsuffer Management Co

Ltr: Transmits information re AMDtreatment plant at MinnesotaHeights location, w/attchs 1-3

Addendum 1 to phase 2 treatafaiUtystudy workplan for IMM permanentAMD treatment plant, draft sludgedewatering/consolidation studyworkplan (SOCSUP)

Comments of EPA public commentRI/FS, Old/#8 Mine Seep OU,w/attchs A & 8

93/04/00

93/04/04

93/04/05

001

001

001

1709

1781

1784

AR 70

AR 71

AR 72

Roy F Weston, Jnc

Dana RipponCH2M Hill

Edward UnderwoodCH2M Hill

Stauffer Hanagf


Rick SugarekEnvironmental f

93/04/06 001

93/04/06 001

93/04/07 001

93/04/03 001

Agency - Region 9

1802 AR 73

1810 AR 74

1825 AR 75

1837 AR 76

Rick SugarekEnvironmental Protection-Agency - Region 9

Michael HeathCH2M Hill

CH2M H i l l

Daryl Greenway, BillMurdockCH2M Hill

Phase 2 treatability study workplan

Memo: Comments on Zerteca-submittal •of 3/31/93

Memo: Sludge management plan

Stauffer-EPA mtg agenda 4/6/93,w/mtg notes & list of attendees

Estimate summaries for sludgemanagement plan at IMM, w/fax TL frM Heath to D Greenway 4/6/93

IMM backup informati.orr're AMDtreatment facility w?fax TL fr 0Greenway to J Hairmond

Rick Sugarek Memo: Summary of understandingsEnvironmental Protection reached at 4/6/93 mtg with ZenecaAgency - Region 9 Weston on AMD treatment plant,

w/ma'rginalia


12/23/93

IRON MOUNTAIN MINE SUPERFUND §ITEQld/#8 Mine Seep Operable Unit


Chronological Order



93/04/08 001 1835 AR 77

93/04/08 001 1838 AR 78

93/04/08 001 1843 AR 79

93/04/09 001

93/04/13 001

1848 AR 80

1857 AR 81

93/04/13 001 1876 AR 82


Rick Sugarek Sumnary of 4/6/93 mtg with ZenecaEnvironmental Protection re .treatment plant, w/maginaliaAgency - Region 9

Rick Sugarek Lee EricksonEnvironmental Protection Zeneca Inc.Agency - Region 9.

US Dept of Commerce -National Oceanic &AtmosphericAdministration

CH2M Hill

Brian SpillerStauffer Management Co


Ltr: AMD treatment plant designreview mtg agreements perAministrative Order 93-01

Rick Sugarek Ltr: Natural Resources TrusteeEnvironmental Protection Council Review of Old/#8 Mine OUAgency * Region 9 draft RI/FS, w/TL fr R Patterson to

R Sugarek 4/14/93

Presentation items fr 4/6/93 mtg,w/fax TL fr D Greenway to LErickson 4/9/93

Jeffrey Zelikson Ltr: Response to notice of allegedEnvironmental Protection violations of UnilateralAgency - Region 9 Administrative Order 93-01>'w/attch

Rick Sugarek Ltr: Transmits Stauffer response toEnvironmental Protection EPA comments on draft phase 2Agency - Region 9 Treatability Study Work Plan, H/O

ends

93/04/14 001 1879 AR 83

93/04/14 001 1892 AR 84

93/04/15 001 1898 AR 85


CH2M Hill

Comments on EPA public commentRI/FS Old/#8 Mine Seep OU, w/TL toR Sugarek fr S LaRocca 4/14/93

Backup calculations for sludge pondearth works w/fax TL to J Hamrnond.fr D Greenway 4/14/93

Anthony Landis Dave Jones Ltr: Comments on proposed plan forCA Environmental Environmental Protection Old Hine/#8 OU, w/previous commentsProtection Agency - Dept Agency - Region 9 (2 Itrs)of toxic Substances -., -,•*,Control . '•

93/04/15 001 1908 AR 86

V3/04/23 001 1947 AR 87

Daryl Greenway, EdwardUnderwoodCH2H Hill-


Rl'ck Sugarek . Memo: Draft sludge management planEnvironmental Protection for treating combined acid mineAgency - Region 9 , drainage (AMD) from Lawso'n &

Richmond portals

Lee EriksonZeneca Inc.

Ltr: Transmits review comments on. Zeneca phase 2 treatability study

12/23/93

IRON MOUNTAIN MIME SUP'ERFUNQ SITEOld/#8 Mine Seep Operable Unit


Chronological Order

DATEyy/mm/dd


93/04/23 001

93/04/23 001

93/04/26 001

93/04/26 001

93/04/28 001

93/05/00 001

93/05/00 001

93/05/00 001

93/05/03 001

1956 AR 88

1964 AR 89

93/04/25 '001 1.966 AR 90

1969 AR 91

1979 AR 92

1981 AR 93

1985 AR 94

2019 AR 95

2077 AR 96

2135 - AR 97

Jim Stefanoff, DarylGreenwayCH2M Hill






Roy F Ueston, Inc

Roy F Ueston, Inc

Roy F Weston, Inc

Daryl Greenway, DanRipponCH2M Hill






workplan (TSWP) w/encl (Attch A)

Memo: comments on Weston responsesto ERA comments re Zeneca phase 2treatability study workplan

TL: Addendum 1 to phase 2treatability study work plan -Permanent AMD treatment plant,draft sludgedewatering/consolidation study workplan (SDCSVJP)

Ltr: Emergency response AMDtreatment per Administrative Order92-26

Mtg notes: AMD treatability studyprogress mtg - Stauffer & ERA,w/agenda & list of attendees

Summary of preliminary resultsreported at 4/26/93 mtg, Zenecaphase 2 treatability study

Ltr: Transmits copy of proposedplant layout drawing for IMMtreatment plant, w/encl

Description of permanent AMDtreatment facilities & costestimate for modified simple mixsystem near Brick Flat Pit

IMM permanent AMD treatmentfacilities comparison of process &siting alternatives, w/TL fr SLaRocca to R Sugarek.5/25/93

• •> t

IMM permanent AMD treatmentfacilities comparison of process &siting alternatives, w/fax* TL fr JThoroughgood to R Sugarek 5/25/93

Memo: Review of 5 Zeneca proposaladdenda of 4/8/93

12/23/93

IRON MOUNTAIN MINE SUPERFUNO SITEGld/tf8 Mine Seep Operable Unit


Chronological Order

DATE ROLL # FRAME #yy/mm/dd

AR # AUTHOR ADDRESSEE SUBJECT

93/05/03 001 2137 AR 98 Daryl Greenway, MikeCooperCH2M Hill

93/05/08 001 2142 AR 99 Daryl GreenwayCHZM.HHl

93/05/10 001 2147 AR 100 Daryl Greenway, HikeCooperCH2M Hill

93/05/10 001 2153 AR 101 Daryl Greenway, DanaRipponCH2M Hill





Memo: Review comments on roadimprovements construction drawings,station 85+00-189+50

Memo: Review comments on Zenecaproposed treatment plant layout,w/attch A

Memo: Review of request forproposal, road improvementsconstruction drawings

Memo: Review of Zeneca proposaladdenda of 4/8/93 perAdministrative Order 93-10

93/05/12 001 2155 AR .102 Rick SugarekEnvironmental ProtectionAgency - Region 9

Mtg notes, Zeneca, ERA, CEPA-DTSC,5/12/93, w/overheads

93/05/17 001 2172 AR 103 Rick Sugarek Lee EricksonEnvironmental Protection - Zeneca Inc.Agency - Region 9

Ltr: Transmits review comments onsiting layout, field erected tanks& roadway improvements re Order 93-01, RD/RA HDS treatment plant,w/attchs A-C

93/05/17 001 2181 AR 104 Daryl Greenway, RonStittmunkesCH2H Hi 11

93/05/18 001 2185 AR 105 Rick SugarekEnvironmental ProtectionAgency - Region 9

93/05/21 001 2189 AR 106 S LaRoccaZeneca Inc.




Memo: Review of Zeneca submittals

Ltr: Transmits comments on AMDconveyance system re AdministrativeOrder 93-01, w/attch

Ltr: Transmits description ofpermanent AMD treatment facilities& cost estimate for modified simplemix system near Brick Flat Pit, w/oenct ?-

93/05/25 001

.93/05/28 001

2192 AR 107

2196 AR 108

Bill MurdockCH2M H i l l

Daryl GreenwayCH2M H i l l

John SpitzleyCH2M Hill

Memo: Review comments on pumps &piping systems for permanent AMDtreatment facilities, w/fax TL frMurdock to R Sugarek 5/25/93

Rick Sugarek Memo: Review comments 0/1 2 ZenecaEnvironmental Protection submittals re treatment plant

12/23/93



Chronological Order

DATEyy/mm/dd

ROLL # -FRAME # AR # AUTHOR ADDRESSEE SUBJECT

93/05/28 001 2201 AR 109 Robert LawsonCH2M Hill

93/06/00 001 . 2206 AR 110 Roy F Weston, Inc


Agency - Region 9


siting analysis

Handwritten notes on 2 Zenecadocuments re treatment plant siting& costs, w/fax TL f r D Greenway toR Sugarek 5/30/93

Responses to EPA 6/2/93 reviewcomments on cost estimates

Notes on reliability issuesregarding AMD treatment plant

93/06/01 001 2306 AR 112 Stewart HermanBethelehem Steel Corp

93/06/02 001 2310 AR 113 _David JonesEnvironmental ProtectionAgency - Region 9

93/06/04 001 2318 AR 114. Jim Stefanoff, DarylGreenwayCH2M Hill

93/06/07 001 2322 AR 115 Daryl GreenwayCH2M Hill

93/06/10 001 2327 AR 116 Jeffrey ZeliksonEnvironmental ProtectionAgency - Region 9



Rick SugarekCH2M Hill



Memo: Lime demand & oxidation ofiron

Ltr: Transmits review of Zenecacost estimates for Boulder Creektreatment plant, w/attch A -

Memo: Review comments on addendum1, Zeneca phase 2 treatabilitystudy workplan

Ltr: Transmits review"comments onaddendum 1, Zeneca phase 2treatability study workplan,w/attch

Ltr: Violation of UnilateralAdministrative Order 93-01 fordesign & construction of treatmentfacilities

93/06/10 001

93/06/14 001

2330 AR 117

2334 AR 118


Charles BullaZeneca Inc.

David JonesEnvironmental ProtectionAgency - Region 9


Ltr:- Response to comments on costdesign information submitted byStauffer, transmits comments onattch A, w/o attchs . f.'

Ltr: Response to comments onaddendum-1,. Stauffer phase*2treatability study workplan

93/06/14 001 2337 AR 119 John SpitzleyCH2M Hill


Memo: Corrects Stauffer resubmittal date to CH2M HILLanticipated date of review

12/23/93

IRON MOUNTAIN MIME SUPERFUND SITEOld/#8 Mine Seep Operable Unit


Chronological Order

DATE ROIL # FRAME #yy/mm/dd

AR AUTHOR ADDRESSEE SUBJECT

93/06/15 001

93/06/16 001

93/06/21 001

2342 . AR 120

2344

2348

AR 121

AR 122

Jere KepriosC T System


David Jones Brian SpjUerEnvironmental Protection Stauffer Management CoAgency - Region 9

Daryl Greenway, DanaRipponCH2M Hill

Rick SugarekEnvironmental ProtectionAgency ~ Region 9

completion, w/ROC fr J Spitztey \:oJ Thoroughgood

Ltr: C T Corporation System is notregistered agent for Rhone-Poulenc

Ltr: Responds to request for mtg todiscuss location of treatment plant

Memo: Evaluation of design issues,cost of equalization for AMD atMinnesota Flats, w/cost estimatesand lists

93/06/21 001 2360 AR 123 Daryl Greenway, BillMurdock

__ CH2M Hill

93/06/22 001 2366 AR 124 Daryl Greenway, BillMurdockCH2M Hill

93/06/22 001 2370 AR 125 Daryt Greenway, JimMavisCH2M Hill


93/06/22 001 2374 AR 127- Daryl Greenway, JimMavisCH2H Hill

93/06/22 001 2377 AR 128 Daryl Greenway, JimMavisCH2M Hill

93/06/23 001 2379 AR 129 Daryl Greenway, JohnSpitzleyCH2M Hill

,93/06/23 001 2388 AR 130 - Daryl Greenway, JohnSpitzleyCH2M Hill








Memo: Addresses ERA approach toevaluating project capital costs,w/3 tables

Memo: Evaluation of design issuesre reliability of cross-country AMDconveyance system

Memo: Iron oxidation & lime usage

Handwritten'notes: Lime costdifferential

Memo: Sludge conditioning withsulfide

Memo: Aeration during alkalineprecipitation

Memo: Draft evaluation-of sludgehaulage volumes & costs

Memo: Evaluation of roadimprovements & cost evaluationpresented in Stauffer submittals(draft)

12/23/93

IRON'MOUNTAIN MINE SUPERFUND SITEOld/#8 Mine Seep Operable Unit


Chronological Order

DATE ROLL # FRAME // AR ftyy/tmt/dd


93/06/24 001 2393 AR 131

93/06/24 001 2400 AR 132

93/06/24 001 2405 AR 133

93/06/25 001 2410 AR 134

93/06/25 001 2418 AR 135

93/06/25 001 2423 AR 136

93/06/26 001 2428 AR 137



Daryl Greenway, RandyUnderwoodCH2M Hill

Da'ryl Greenway, JohnSpitzleyCH2M Hill


Daryl Greenway, JohnSpitzley

Hill







Mtg agenda: EPA, Stauffer/Zeneca6/24/93, w/signed list of attendees& mtg notes by R Sugarek

Memo: Review of Stauffer evaluationof sludge shear strength, w/6/22/93memo re cost comparisons for BFPdevelopment as a wet landfill

Memo: Reviews design & cost issuesrelating to the lining of BrickFlat Pit for sludge disposalpurposes

Memo: Evaluation of design issues,sludge haulage volumes & costs •

Memo: Reviews design & cost issuesrelating to lining of Brick FlatPit for sludge disposal purposes

Memo: Evaluation of roadimprovements & cost evaluationpresented \n Stauffer submittals

Handwritten notes: Calculation ofcost for hauling sludges frtemporary treatment plant based on12/22/92 memo fr Al Christiansen

93/06/30 001 2431 AR 138

93/07/08 001 . 2436 AR 139

93/07/08 001 2453 AR 140





David JonesEnvironmental ProtectionAgency - Reg ion.9


Ltr: Minnesota Flats site ispreferable location

Ltr: Stauffer on behalf of Rhone-Poulenc will go forward withconstruction of Boulder CreekTreatment Plant under S'conditions,w/attchs

Ltr: Transmits EPA 6/10/93*notification Itr to Rhone-Poulencre continuing violations ofUnilateral Administrative Order 93-01, w/o encl

12/23/93



Chronological Order

DATEyy/mm/dd


93/07/13 001

93/07/15 001

93/07/15 001

93/07/27 001

93/07/29 001

93/07/29 001

2455 AR'141

2458 AR 142

2468 AR 143

2474 AR 144

2478 AR 145

2485 AR 146

Daryl Greenway, JohnSpjtzleyCH2M Hill

Rick sugarekEnvironmental ProtectionAgency - Region 9

David Jones Brian SpiUerEnvironmental Protection Stauffer Management CoAgency - Region 9



S LaRoccaStauffer Management Co


Brian SpiUerStauffer Management Co




Request for info fr Stauffer reBrick Flat Pit modifications,w/marginalia

104(e) request for information,w/attchs A & B, certified mail.receipt #P347 392 535

Ltr: Rhone-Poulenc remainsresponsible for completion of alltasks required by Order 93-01

ttr: Judge Schwartz's ruling barsall claims against Rhone-Poulenc,R-P agrees to several terms setforth in 6/15/93 Ur

Ltr: Transmits AMD treatment plantproject summary schedule

Ltr: EPA agrees with terms outlinedin 7/27/93 Ur & will take actionsto amend Order 93-01 to reflectterms

93/08/06 001

93/08/27 001

93/09/00 001

2488 AR 147

2545

2547

AR 148

AR 149

CH2M Hill

Steve PardieckEnvironmental ProtectionAgency - Region 9

CH2M Hill




Agency review draft - Record ofDecision (ROD) for Old/#8 MineSeep, H/TL fr D Greenway to RSugarek

Memo: Water Management Divisionreview of draft ROD for old/#8 MiheSeep OU

Response to comments, Old/#8 MineOU, v1 of 2 (contract #68-H9-0031,WA #31-30-9L17)

93/09/00 001

93/09/23 001

2655 AR 150

2799 AR 151

CH2M Hill- Environmental ProtectionAgency - Region 9

Response to commentsr Old/#8 MineOU, v2 of 2 (cont #68-w9-0031, WA#31-30-9L17)

Jeff Zelikson John Wise Ltr: Transmits Record of DecisionEnvironmental Protection Environmental Protection for Old/#8 Mine Seep QU, H/O endAgency - Region 9 Agency - Region 9

12/23/93



Chronological Order


'AUTHOR ADDRESSEE SUBJECT


93/09/27 001 2866 AR 153

Record of Decision, Old/#8 MineSeep OU '

Newsclip: Mine runoff to be treatedin EPA plan

No. of Records:153\armicro2.rpt

Iron Mountain Mine Superfund Site Old/#8 Mine Seep ... · 1077 AR 23 Dana Rippon, Linda Mohr...

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Transcript of Iron Mountain Mine Superfund Site Old/#8 Mine Seep ... · 1077 AR 23 Dana Rippon, Linda Mohr...