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Pacific Southwest, Region 9: Superfund

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

San Gabriel Valley (area 4) City Of Industry, Puente Valley

Superfund Site

Puente Valley OU Remedial AR, Update #4

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 remedial activities for the San Gabriel Valley (Area 4) Superfund Site, Puente Valley Operable Unit in Los Angeles County, California. It is presented in DVD and with companion binders of large format documents. The administrative record file was updated to include additional Site-related actions and information as part of the implementation of the cleanup plan as outlined in 1998 Interim Record of Decision (ROD), and as modified by the 2005 Explanation of Significant Differences (ESD).
EPA welcomes questions and comments on documents contained in the administrative record file. Please contact:

Raymond Chavira
Remedial Project Manager
U.S. EPA (SFD-7-3)
75 Hawthorne Street
San Francisco, CA 94105-3972
(415) 947-4218
chavira.raymond@epa.gov

or:Dana Barton
Community Involvement Coordinator
U.S. EPA (SFD-6-3)
75 Hawthorne Street
San Francisco, CA 94105-3972
(415) 972-3087 or (800) 231-3075
barton.dana@epa.gov

List of Abbreviations and Acronyms Used in Administrative Record Index

ABBREVIATIONMEANING
ABAssembly Bill
AOAdministrative Order
App(s)Appendix(es)
attchAttachment
bldgBuilding
CAOCleanup & Abatement Order
CDCompact Disc
CDMCamp, Dresser and McKee, Inc
CERCLAComprehensive Environmental Response, Compensation and Liability Act
CLPContract Laboratory Program
COCChain of Custody
CSIWNPCompliance, Sentinel, and Investigation Well Network Plan
DeptDepartment
distDistrict
docDocument
DTSCCA Dept of Toxic Substances and Control
enclEnclosure
envEnvelope
et alAnd Others
exExemption
exhExhibit
FedExFederal Express
FOIAFreedom of Information Act
frFrom
FSFeasibility Study
FSPField Sampling Plan
ftFeet
GIS Geographic Information System
inInch
infoInformation
LOELevel of Effort
ltrLetter
MemoMemorandum
mtgMeeting
NAPPNational Aerial Photo Project
notifNotification
NPDESNational Pollutant Discharge Elimination System
O&MOperation & Maintenance
OSCOOil & Solvent Process Co
OUOperable Unit
pPage
PCETetrachloroethylene
ppPages
PRPPotentially Responsible Party
ptPart
PVOUPuente Valley Operable Unit
PVSCPuente Valley Steering Committee
RARemedial Action
RDRemedial Design
reRegarding
refReferencing
RIRemedial Investigation
ROCRecord of Communication
rptReport
SAPSampling & Analysis Plan
SBSenate Bill
SDGSample Delivery Group
seqSequence
SLICSpills, Leaks, Investigations & Cleanups
SOWStatement of Work
STLCSoluble Threshold Limit Concentrations
SVESoil Vapor Extraction
TCATrichloroethane
TCETrichloroethylene
TDSTotal Dissolved Solids
TLTransmittal Letter
TM Technical Memo
vVolume
VESVapor Extraction System
VOCVolatile Organic Compounds
vsVersus
w/With
w/oWithout
wpWorkplan

Administrative Record Index

Doc_dateAuthorAddresseeTitle_subjectDocid
8/3/1952US Geological Survey-Aerial Photos (19): Project GS-VP, items #18-2, 18-3, 18-4, 18-5, 18-41, 18-43...18-74 date flown 8/1/52-8/3/52 (B&W, 9-1/2 in x 9-3/4 in)2192345
9/17/1982Robert Wilson / Brown & Caldwell ConsultantsCA Regional Water Quality Control Board - Los Angeles RegionFile review request for files re Benchmark (handwritten)2232642
11/22/1985Robert Ghirelli / CA Regional Water Quality Control Board - Los Angeles RegionBenchmark Technology, IncLtr: Transmits & requests to complete chemical use questionnaire for Benchmark Technology facility, City of Industry, w/o attch2232880
12/6/1985William Bowman / Benchmark Technology, Inc
Jerry Hall / Benchmark Technology, Inc
CA Regional Water Quality Control Board - Los Angeles RegionChemical storage & use questionnaire for Benchmark Technology facility, City of Industry2232879
6/13/1986Raymond Delacourt / CA Regional Water Quality Control Board - Los Angeles RegionJerry Hall / Benchmark Technology, IncLtr: Requests for submittal of subsurface investigation workplan by 7/15/86 following site inspection on 12/16/85 at Benchmark Technology facility2232876
6/30/1986Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles RegionRaymond Delacourt / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Informs that E Nelson requested written documentation of Regional Board's authority to require subsurface investigation at Benchmark Technology, w/o attch, w/marginalia2232875
7/2/1986Raymond Delacourt / CA Regional Water Quality Control Board - Los Angeles RegionEdward Nelson / Benchmark Technology, IncLtr: Response to inquiry re documentation of Regional Board's authority to require subsurface investigation at Benchmark Technology, w/o attch2232874
7/31/1986George Linkletter / Woodward-Clyde ConsultantsRaymond Delacourt / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Workplan for conducting subsurface investigation at Benchmark Technologies in City of Industry, w/marginalia & Post-it note fr H Yacoub to JB requesting response2232872
8/28/1986Kit Custis / CA Water Resources Control BoardHank Yacoub / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Reviews proposed workplan for Benchmark Technologies in City of Industry, w/received stamp2232871
8/28/1986Kit Custis / CA Water Resources Control BoardHank Yacoub / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Reviews proposed workplan for Benchmark Technologies in City of Industry, w/ltr 7/31/86 re workplan for conducting subsurface investigation, marginalia, figure 1 re soils & Post-it note re sending to State Board for review2232873
10/3/1986Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles RegionEdward Nelson / Benchmark Technology, IncLtr: Reviews subsurface investigation workplan dated 7/31/86 & requests for submittal of revised workplan by 10/17/862232870
10/29/1986George Linkletter / Woodward-Clyde ConsultantsHank Yacoub / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Responds to ltr 10/3/86 fr Regional Board re workplan submitted on 6/31/86 [sic] & informs that Woodward-Clyde submits ltr as addendum to workplan for proposed investigation at Benchmark Technologies site, City of Industry2232869
11/25/1986Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles RegionEdward Nelson / Benchmark Technology, IncLtr: Acknowledges receipt of addendum to subsurface investigation workplan dated 10/29/86 & approves workplan as amended2232868
12/23/1986Edward Nelson / Benchmark Technology, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Confirms phone discussion on 12/19/86 re extension of time fr 12/31/86 to 1/5/87 & informs that Benchmark Technology approved contract to Woodward-Clyde to start testing on 1/5/87, ref AB 1803, subsurface investigation2232867
1/9/1987Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Response to ltr 11/25/86 fr Regional Board to E Nelson & informs that soil gas survey will be conducted week of 1/12/87 & drilling & sampling on 1/21/872232877
1/30/1987CA Regional Water Quality Control Board - Los Angeles Region-Notification of hazardous waste discharge - groundwater contamination at Benchmark Technologies site, 200 Turnbull Canyon Rd, City of Industry, w/marginalia2232865
1/30/1987Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Confirms phone discussion on 1/29/87 re analytical results indicate presence of chlorinated compounds in soil & groundwater at Benchmark Technologies site, City of Industry2232866
2/18/1987Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits & requests for review on final rpt on subsurface investigation conducted at Benchmark Technology facility, City of Industry, w/o attch2232863
2/18/1987Woodward-Clyde ConsultantsBenchmark Technology, IncRpt on subsurface investigation conducted at Benchmark Technology facility2234114
4/1/1987Woodward-Clyde ConsultantsBenchmark Technology, IncWorkplan, soil & groundwater investigation at Benchmark Technology, City of Industry, w/Worldwide Express airbill dated 4/15/872232667
4/14/1987Edward Nelson / Benchmark Technology, IncHank Yacoub / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits hazardous waste manifest for dirt & well water disposed of fr subsurface investigation in 2/87 at Benchmark Technology facility, City of Industry, w/attch2232862
4/15/1987Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits & requests for approval on workplan for Benchmark Technology submitted in response to ltr 3/10/87 fr Regional Board, w/o attch2232845
6/17/1987Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles RegionEdward Nelson / Benchmark Technology, IncLtr: Comments on workplan for further site assessment at Benchmark Technology & informs that responses are due by 6/30/872232844
6/19/1987Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for 2-week extension of 6/30/87 deadline for modification of Benchmark workplan2232843
7/12/1987C H 2 M Hill, Inc-Photos (16): San Gabriel surface water, San Jose Creek, San Gabriel River, Rio Hondo Channel sampling sites, 7/9/87-7/12/87, w/annotations (color, 3-1/2 in x 5 in)2192344
7/13/1987CA Regional Water Quality Control Board - Los Angeles Region-Handwritten Notes: Benchmark Technology was TRW 1967-84, inquiry from Ralph Helm, Woodward-Clyde is consultant for cleanup2232842
9/3/1987Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Response to Regional Board's comments on workplan submitted on 4/15/87 on behalf of Benchmark Technology, w/appendix A, well construction & groundwater sampling procedures & proposed schedule for 2nd phase investigation2232665
10/22/1987Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Progress rpt, soil boring installation & 2nd round of monitoring well sampling at Benchmark Technology, w/attchs2232664
1/12/1988Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Phase 2 final rpt, soil & groundwater investigation, Benchmark Technology2232663
2/1/1988--Table re phase 3 site assessment, groundwater quality info, 1987, ref field I D #MW01-11, MW02-11, MW03-16...2192389
2/2/1988Woodward-Clyde ConsultantsBenchmark Technology, IncWorkplan, phase 3 soil & groundwater investigation - Benchmark Technology facility, City of Industry2231145
2/3/1988Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Phase 3 workplan, soil & groundwater investigation, Benchmark Technology2232662
2/26/1988Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Response to Regional Board review of phase 3 workplan at Benchmark Technology facility, w/figure 2A2232858
4/7/1988--Table re phase 3 site assessment, groundwater quality info, 1st quarter 1988, ref field I D #CP01A, CP12, EW11...2192390
4/22/1988Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles RegionEdward Nelson / Benchmark Technology, IncLtr: Review of proposed workplan for further site investigation at Benchmark Technology facility dated 2/2/88 & response to comments dated 2/26/882232857
5/10/1988Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Addendum #1 to phase 3 workplan for soil & groundwater investigation at Benchmark Technology facility, w/figures 2A & 3A2232856
5/18/1988Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Confirms Regional Board's verbal approval of phase 3 workplan as modified in addendum #1 for soil & groundwater investigation at Benchmark Technology facility2232855
6/6/1988D Northington / West Coast Analytical Service, Inc
Michael Shelton / West Coast Analytical Service, Inc
Tan Phung / Woodward-Clyde ConsultantsMemo: Laboratory rpt, 1 soil samples & 1 water sample, analysis VOC by EPA 624/8240, ref Benchmark site, w/attchs2232850
6/6/1988D Northington / West Coast Analytical Service, Inc
Michael Shelton / West Coast Analytical Service, Inc
Tan Phung / Woodward-Clyde ConsultantsMemo: Laboratory rpt, 6 soil samples & 1 water sample, analysis VOC by EPA 624/8240, ref Benchmark site, w/attchs2232849
6/20/1988Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles RegionRichard Barkley / Benchmark Technology, IncLtr: Conditional approval of proposed workplan for further site investigation at Benchmark Technology facility dated 2/21/88 [sic] & response to comments dated 2/26/88 & 5/18/882232848
6/21/1988D Northington / West Coast Analytical Service, Inc
Michael Shelton / West Coast Analytical Service, Inc
Tan Phung / Woodward-Clyde ConsultantsMemo: Laboratory rpt, 8 water samples, analysis VOC by EPA 624, ref Benchmark site, w/attchs2232853
6/21/1988Michael Shelton / West Coast Analytical Service, Inc
D Northington / West Coast Analytical Service, Inc
Tan Phung / Woodward-Clyde ConsultantsMemo: Laboratory rpt, 6 water samples & 1 soil sample, analysis VOC by EPA 624/8240, ref Benchmark site, w/attchs2232851
6/27/1988Michael Shelton / West Coast Analytical Service, Inc
D Northington / West Coast Analytical Service, Inc
Tan Phung / Woodward-Clyde ConsultantsMemo: Laboratory rpt, 12 soil samples, analysis VOC by EPA 8240, ref Benchmark site, w/attchs2232852
7/14/1988--Table re phase 3 site assessment, groundwater quality info, 2nd quarter 1988, ref field I D #CP01A, CP01B, CP02A...2192391
9/16/1988Michael Shelton / West Coast Analytical Service, Inc
Michael Hovanec / West Coast Analytical Service, Inc
Tan Phung / Woodward-Clyde ConsultantsMemo: Laboratory rpt, 3 water samples, analysis VOC by EPA 624, ref Benchmark site, w/attchs2232854
10/10/1988Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr Progress rpt, phase 3 soil & groundwater investigation at Benchmark Technology, w/tables 1-3 & figure 1, w/o figure 22232846
10/10/1988Linda Metcalf / Woodward-Clyde ConsultantsKay Williams / Puente Hills Landfill #6Ltr: Request for soil disposal at Puente Hills Landfill, ref soil & groundwater investigation, Benchmark Technology facility, City of Industry, w/tables 1 & 22232861
11/8/1988Linda Metcalf / Woodward-Clyde ConsultantsJohn Hinton / CA Dept of Health Services - Toxic Substances Control DivLtr: Request for approval to dispose of 3 additional drums of soil at Puente Hills Landfill, ref ltr 10/10/88 fr Woodward-Clyde requesting approval fr Puente Hills Landfill to dispose of soil cuttings & drilling mud fr Benchmark site, w/attchs2232860
12/1/1988Woodward-Clyde ConsultantsHufstedler, Miller, Kaus & Beardsley (Attorneys)
T R W, Inc
Phase 3 soil & groundwater investigation, Benchmark Technology facility, City of Industry - appendix D, laboratory rpts2231146
1/6/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Proposed modifications to tentative cleanup & abatement order (CAO) #88-137, Benchmark Technology site, City of Industry2232673
1/18/1989--Sign-in sheet for 1/18/89 Benchmark/TRW meeting2232672
2/28/1989Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles RegionJames Hartmann / Woodward-Clyde ConsultantsLtr: Vapor extraction proposed for soil remediation at Benchmark Technology facility, City of Industry2232671
3/31/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Soil disposal requests, soil & groundwater investigation at Benchmark Technology, City of Industry, w/tables 1-32232668
4/1/1989Woodward-Clyde ConsultantsHufstedler, Miller, Kaus & Beardsley (Attorneys)
T R W, Inc
Phase 4 workplan, groundwater investigation at Benchmark Technology, City of Industry, w/TL 4/26/89 to P Chandler2232666
4/12/1989Robert Ghirelli / CA Regional Water Quality Control Board - Los Angeles RegionT R W, Inc
Benchmark Technology, Inc
Cleanup & abatement order (CAO) #89-034 - Benchmark Technology site, City of Industry, w/TL 4/12/89 to TRW & fax TL 8/11/98 to E Solomon2232021
4/14/1989--Tables re phase 3 site assessment, groundwater quality info & water elevations, 1st quarter 1989, ref field I D #CP03B, EW01, EW03...2192392
4/20/1989Stanford Lau / CA Dept of Health ServicesLinda Metcalf / Woodward-Clyde ConsultantsLtr: Response to ltr 11/8/88 to J Hinton re disposal of soil cuttings & drilling mud at Puente Hills Landfill, ref Benchmark Technology facility, City of Industry2232658
5/1/1989--Table 2, soil analytical results, EPA method 8240, w/volatile organics analysis data sheets, EPA method 624 for MW2, MW3, MW4...2183479
5/3/1989Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles RegionLinda Metcalf / Woodward-Clyde ConsultantsLtr: Response to ltr received 4/3/89 re soil disposal request, ref Benchmark Technology, City of Industry2232660
5/4/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits ltr 4/20/89 fr CA Dept of Health Services responding to request fr Woodward-Clyde to dispose of soil at landfill & inquires about alternate procedure to obtain disposal approval, ref Benchmark Technology project, w/o attch2232659
5/22/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Confirms Regional Board's request that quarterly monitoring program be initiated in 6/89, ref Benchmark Technology facility, City of Industry, w/figure 1, site plan2232657
5/26/1989Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for extension of due date 6/1/89 for submittal of soil remediation workplan, ref Benchmark Technology facility, City of Industry, CAO #89-0342232656
6/7/1989Robert Ghirelli / CA Regional Water Quality Control Board - Los Angeles RegionRichard Barkley / Benchmark Technology, IncLtr: Response to request in ltr received 5/30/89 for extension of due date 6/1/89 for submittal of workplan, ref remediation of unconsolidated materials, Benchmark Technology facility, City of Industry, CAO #89-0342232655
6/26/1989Patricia Schroder / Analytical Technologies, Inc
Richard Amano / Analytical Technologies, Inc
Linda Metcalf / Woodward-Clyde ConsultantsLtr: Results of analysis of 8 water samples received 6/7/89, ref Benchmark project, w/attchs2232654
6/27/1989Richard Amano / Analytical Technologies, Inc
Patricia Schroder / Analytical Technologies, Inc
Linda Metcalf / Woodward-Clyde ConsultantsLtr: Results of analysis of 12 water samples received 6/9/89, ref Benchmark project, w/attchs2232653
6/27/1989Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles RegionRichard Barkley / Benchmark Technology, IncLtr: Reviews phase 4 workplan for further groundwater investigation at Benchmark Technology facility received 4/27/89, ref CAO #89-0342232652
7/7/1989--Table re phase 3 site assessment, groundwater quality info, 2nd quarter 1989, ref field I D #CP01A, CP01B, CP02A... (p 2 missing)2192393
7/12/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for extension of due date 8/1/89 for submittal of soil & on-site groundwater remediation workplan & off-site groundwater assessment workplan for Benchmark Technology facility, ref CAO #89-0342232651
7/14/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for extension of due date 7/24/89 for submittal of revised phase 4 groundwater investigation workplan for Benchmark Technology facility, City of Industry2232650
7/18/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Results of groundwater monitoring conducted in 6/89 at Benchmark Technology site, City of Industry, w/attchs2232649
7/24/1989--Sign-in sheet at meeting between Regional Board, TRW, Benchmark on 7/24/892232648
7/26/1989James Hartley / Woodward-Clyde ConsultantsHank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region
Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region
Ltr: Expresses appreciation for meeting with Regional Board on 7/24/89 & discusses common understanding & agreement on site remediation of Benchmark Technology facility in City of Industry2232646
8/3/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Revisions to 4/26/89 workplan for phase 4 groundwater investigation at Benchmark Technology facility, City of Industry, w/figure 1, site plan2232661
9/5/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for extension of due dates 10/1/89 & 11/1/89 to submit on-site remediation workplan & off-site groundwater assessment workplan for Benchmark Technology facility, ref CAO #89-0342232645
9/7/1989Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles RegionFrank Hintze / Benchmark Technology, IncLtr: Expresses concurrences with common understandings in ltr received 7/27/89 fr Benchmark Technology Inc re site assessment, ref CAO #89-0342232643
9/12/1989Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles RegionFrank Hintze / Benchmark Technology, IncLtr: Acknowledges receipt of ltr on 9/6/89 requesting extension of due dates 10/1/89 & 11/1/89 to submit on-site remedial & off-site groundwater assessment workplans & informs that chapter 11 bankruptcy filing by Benchmark may create schedule difficulties2232644
10/12/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Confirms approval of due date extension for submittal of off-site groundwater assessment workplan for Benchmark Technology site, City of Industry2232640
11/1/1989Woodward-Clyde ConsultantsBenchmark Holding Group
T R W, Inc
Workplan, off-site groundwater investigation - Benchmark Technology site, City of Industry2231139
11/2/1989Linda Metcalf / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for soil disposal approval, ref Benchmark Technology site in City of Industry, w/o ltr 3/31/89 fr Woodward-Clyde Consultants2232639
11/16/1989DeRevere Partnership-Oversize Map: Site study, Benchmark Technology, City of Industry (oversized, blueline, 30 in x 42 in, scale 1 in = 40 ft, revised 11/16/1989, scheme D)2232010
11/17/1989Peter Tilton / Koll CoPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Informs that Koll Co is in process to purchase Benchmark Technology site in City of Industry & requests to confirm Koll's understanding of soil & groundwater remediation plans, w/attchs2232638
12/14/1989--Sign-in sheet for 12/14/89 meeting between Regional Board, Benchmark Holding Group, Koll Co, TRW, Woodward-Clyde...2232637
12/14/1989Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Updates schedule of activities & confirms approach to conducting soil remediation at Benchmark Technology site in City of Industry, w/schedule of activities2232636
1/1/1990Woodward-Clyde Consultants-Soil sampling plan - Benchmark Technology site, City of Industry2231140
1/12/1990Woodward-Clyde Consultants-Meeting Agenda: Benchmark remediation program meeting on 1/12/90 with Regional Board, w/figure 1, concrete & asphalt sampling locations2231141
1/14/1990Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region-Meeting Notes: Benchmark remediation program meeting on 1/12/90 with Regional Board, w/sign-in sheet (handwritten)2232635
2/22/1990Woodward-Clyde ConsultantsBenchmark Holding Group
T R W, Inc
Additional soil sampling at Benchmark Technology facility, City of Industry, w/oversize drawing2231144
2/22/1990Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Rpt of additional soil sampling at Benchmark Technology facility, City of Industry2232634
3/2/1990Woodward-Clyde Consultants-Meeting Agenda: Benchmark remediation program meeting on 3/2/90 with Regional Board, w/proposal for conducting fate & risk assessment & marginalia2231995
5/16/1990Joseph Kwan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits & requests for approval on soil RA plan, ref Benchmark Technology facility, City of Industry, w/o attch2232633
6/5/1990--Sign-in sheet for 6/5/90 meeting between Regional Board, Koll, TRW, Woodward-Clyde...2232632
6/27/1990Woodward-Clyde ConsultantsBenchmark Holding Group
T R W, Inc
Soil cleanup levels for Benchmark facility, City of Industry2231138
6/27/1990Woodward-Clyde Consultants-Excerpt: Soil cleanup levels for Benchmark facility, City of Industry, table 8, cleanup levels (assuming uniform cleanup), base case2232628
7/5/1990Joseph Kwan / T R W, IncPhilip Chandler / CA Environmental Protection Agency - Dept of Toxic Substances ControlLtr: Transmits & requests for review on fate & transport assessment rpt for soil cleanup levels determination, ref Benchmark facility, City of Industry, w/o attch, w/FedEx airbill2232631
7/10/1990Robert Walter / T R W, IncGlenn Kistner / Environmental Protection Agency - Region 9Ltr: Confirms that TRW is willing to participate in conduct or financing of response activities & will submit response to 104(e) request for info ltr 5/7/90 by 8/15/90, w/marginalia2195653
7/23/1990Mark Klaiman / Environmental Protection Agency - Region 9Robert Walter / T R W, IncLtr: Confirms that EPA grants The Monadnock Co extension through 8/10/90 to respond to 104(e) request for info2195649
7/26/1990Jerry Clifford / Environmental Protection Agency - Region 9Mark Hamilton / Lucas Western, IncLtr: Request for submittal of response to 104(e) request for info ltr Lucas Western Inc received on 6/14/90, w/mail receipts2195619
7/27/1990Woodward-Clyde Consultants-Meeting Agenda: Meeting with Regional Board on 7/27/90 re Benchmark facility2232627
7/31/1990Mark Klaiman / Environmental Protection Agency - Region 9Mark Hamilton / Lucas Western, IncLtr: Confirms that EPA grants Lucas Western Inc (formerly Western Gear) extension through 8/10/90 to respond to 104(e) request for info2195643
8/3/1990Mark Klaiman / Environmental Protection Agency - Region 9Edward Faeder / Jefferson Group, Inc, TheLtr: Confirms that EPA grants Lucas Western Inc (formerly Western Gear) extension through 8/24/90 to respond to 104(e) request for info2195641
8/7/1990Jeffery Johnson / Heller, Ehrman, White & McAuliffe (Attorneys)Mark Klaiman / Environmental Protection Agency - Region 9Ltr: Confirms that EPA grants Benchmark Technology extension through 8/24/90 to respond to 104(e) request for info, w/marginalia2195634
8/15/1990Adele Walsh / Adele Walsh (Attorney)Mark Klaiman / Environmental Protection Agency - Region 9
Glenn Kistner / Environmental Protection Agency - Region 9
Ltr: Request for extension to respond to questions #5 & 6 in general notice & 104(e) request for info 5/7/90 on behalf of client 8th & Proctor Investment Co, owner at 14724 E Proctor Ave, City of Industry, currently leased by Lucas Western, w/marginalia2195627
8/22/1990Atul Salhotra / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Informs that A Salhotra will send back-of-envelope calculations, w/o attch (handwritten)2232626
8/31/1990Atul Salhotra / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Back-of-envelope calculations to estimate vapor phase diffusion in unsaturated zone, ref soil cleanup levels for Benchmark facility, w/preliminary analysis of vapor migration in unsaturated zone at Benchmark facility2232625
9/11/1990--Excerpts: 1) Phase 2 site assessment 9/11/90, 2) remedial action (RA) plan for remediation of soil by vapor extraction 2/10/97, 3) ltr 4/2/97 re 1st semi-annual 1997 groundwater monitoring rpt...2183488
9/11/1990--Table re PCE/TCE use at site, site investigations, PCE in soil..., w/excerpts fr 1) Phase 2 site assessment 9/11/90 & 2) ltr 10/24/91 re 3rd quarter 1991 groundwater monitoring rpt2183490
10/1/1990Woodward-Clyde ConsultantsT R W, IncHealth & safety plan for Benchmark RA program, City of Industry2231137
10/3/1990Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Informs that TRW & Benchmark Holding Group are proceeding to demolish existing structures, ref soil RA plan for Benchmark Technology facility, City of Industry dated 5/10/902232641
11/2/1990--Sign-in sheet for Benchmark RA program status review meeting with Regional Board on 11/2/902232624
11/2/1990Woodward-Clyde Consultants-Meeting Agenda: Benchmark RA program status review meeting with Regional Board on 11/2/902232623
11/5/1990Paris Hajali / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits health & safety plan for Benchmark RA program & responds to request for evacuation plan for adjacent occupied structure, w/o attch2232622
11/8/1990C K Y Environmental Services, IncT R W, IncQuarterly rpt, groundwater monitoring - Benchmark Technology, City of Industry, prepared for TRW Inc [File #102.0007]2234115
11/26/1990John Clark / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring2232620
11/28/1990Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Acknowledges receipt of draft ltr fr Regional Board in project review meeting on 11/2/90 responding to soil RA plan for Benchmark site & requests that Regional Board issue final ltr response to RA plan2232619
12/18/1990Linda Niemeyer / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Revised scope of services, phase 4 groundwater investigation - Benchmark Technology site, City of Industry, w/figures 1 & 22232618
1/16/1991Woodward-Clyde ConsultantsT R W, IncWorkplan for soil excavation, stockpile preparation & vapor extraction & treatment system, Benchmark RA program, City of Industry, w/oversize drawings2231143
1/18/1991--Sign-in sheet for 1/18/91 Benchmark/TRW meeting2232009
1/18/1991Woodward-Clyde Consultants-Meeting Agenda: Benchmark RA program meeting on 1/18/91 with Regional Board, w/marginalia2232008
1/29/1991Woodward-Clyde ConsultantsT R W, IncModeling of vapor extraction system, Benchmark Technology facility, City of Industry, w/oversize drawings2231142
2/4/1991Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Environmental Protection Agency - Dept of Toxic Substances ControlLtr: Transmits & requests for review on modeling of vapor extraction system dated 1/29/91, ref Benchmark Technology facility, City of Industry, w/o attch2232007
2/8/1991Linda Niemeyer / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Response to approval ltr 1/31/91 fr Regional Board re phase 4 groundwater investigation at Benchmark site, City of Industry, w/figure 12232005
2/18/1991Robert Scott / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits info re geophysical logging equipment & methods proposed for 130-ft boring in response to ltr 1/31/91 re workplan for Benchmark Technology site, City of Industry, w/attch (handwritten)2232003
2/19/1991--Sign-in sheet for 2/19/91 Benchmark meeting2232002
2/19/1991Woodward-Clyde Consultants-Meeting Agenda: Benchmark RA program project status review meeting on 2/19/91 with Regional Board, w/marginalia2232001
2/21/1991Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Response to ltr 1/31/91 fr R Sakaida re phase 4 groundwater investigation/performance of vacuum extraction pilot test at Benchmark site, City of Industry [CAO #89-034]2232000
2/25/1991Linda Niemeyer / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Cost estimates for mud rotary drilling with no sampling ($45/ft), with 5-ft sampling intervals ($57/ft)..., ref Benchmark project, w/attch (faxed, handwritten)2231999
2/26/1991Linda Niemeyer / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionMemo: PVC VEE-WIRE screens, PVC slotted pipe, PVC riser pipe, stainless steel VEE-WIRE screens for monitoring wells...specifications fr Diversified Well Products, ref Benchmark project, w/attch (faxed, handwritten)2231998
2/28/1991Kam Pang / C K Y, IncJay White / Woodward-Clyde ConsultantsLtr: Laboratory rpt for water sample, Benchmark project, w/attch (faxed)2231997
3/1/1991Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for discharge of uncontaminated rainwater fr Benchmark remediation site into storm drain, City of Industry2231996
3/5/1991Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Confirms understanding of certain points in attch A of ltr 2/13/91 fr Regional Board as discussed at 2/19/91 meeting, ref Benchmark RA program2231993
3/5/1991Philip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionJay White / Woodward-Clyde ConsultantsTL: __ (faxed, handwritten)2231994
3/8/1991--Sign-in sheet for 3/8/91 TRW/Benchmark meeting2231992
3/8/1991Woodward-Clyde Consultants-Meeting Agenda: Benchmark RA program project status review meeting on 3/8/91 with Regional Board, w/marginalia2231991
3/8/1991John Clark / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt - Benchmark Technology site, City of Industry2231990
3/18/1991Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Transmits sketch of chrome-stained soil excavation & laboratory data sheet for Benchmark site, w/attchs (faxed, handwritten)2231988
3/19/1991Steve Mulligan / I D Environmental Assoc, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits business card for ID Environmental Assoc (IDEA) & requests that IDEA be included on mailings re soil & groundwater investigation at Monadnock Co in City of Industry, w/o attch2231987
3/22/1991Woodward-Clyde Consultants-Meeting Agenda: Benchmark RA program project status review meeting on 3/22/91 with Regional Board, w/marginalia & handwritten notes2231985
3/27/1991Linda Niemeyer / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Woodward-Clyde Consultants' efforts to obtain access for well installation on West Coast Sand & Gravel property at 225 S Turnbull Canyon Rd, City of Industry, opposite Benchmark site at 200 S Turnbull Canyon Rd, City of Industry2231986
4/5/1991--Sign-in sheet for Benchmark RA program project status review meeting on 4/5/91 with Regional Board2231984
4/5/1991Woodward-Clyde Consultants-Meeting Agenda: Benchmark RA program project status review meeting on 4/5/91 with Regional Board, w/maps re chrome sampling locations2231983
4/23/1991Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Confirmation sampling plan at Benchmark site, City of Industry2231982
5/23/1991Steve Mulligan / C K Y Environmental Services, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Revised quarterly groundwater monitoring rpt, 1st quarter 1991, w/marginalia2231980
6/18/1991Joseph Kwan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 2nd quarter 19912231979
6/26/1991Mehrshad Razmdjoo / Woodward-Clyde ConsultantsJoseph Kwan / T R W, IncLtr: Excavation & confirmation sampling of chromium-impacted soil at Benchmark site, w/attchs & fax TL to Regional Board's T Rodgers re beginning backfilling2231989
7/3/1991Joseph Kwan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Transmits 8 VES stockpile testing results, ref stockpiles #32, 31, 30..., w/attchs (faxed, handwritten)2231978
7/10/1991Philip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionFileMemo: Comments on fax received 6/26/91 providing confirmation sampling data & requesting for permission to commence backfilling, ref Benchmark confirmation sampling at general chromium sump area, w/marginalia2231977
9/11/1991Woodward-Clyde Consultants-Meeting Agenda: Benchmark RA program project status review meeting on 9/11/91 with Regional Board, w/marginalia & handwritten notes2234113
9/23/1991John Lewis / CA Regional Water Quality Control Board - Los Angeles RegionJay White / Woodward-Clyde ConsultantsLtr: Review of rpt of waste discharge filed on 9/18/91 to discharge up to 2,000 cubic yards of chromium-contaminated soil at Puente Hills Landfill2231976
9/26/1991Kam Pang / C K Y, IncJay White / Woodward-Clyde ConsultantsLtr: Laboratory rpt for water samples, project Benchmark, w/attchs2231975
10/4/1991Jay White / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for permission to discharge 18,000 gallons of water stored at Benchmark site, 200 S Turnbull Canyon Rd, City of Industry, ref permit #7698B2231974
10/10/1991--Table re phase 3 site assessment, water elevations, ref monitoring well #CP01A, CP01B, CP02A...2192395
10/10/1991--Table re phase 3 site assessment, groundwater quality info, 1991, ref field I D #CP03B, EW01, EW06...2192394
10/18/1991Woodward-Clyde Consultants-Meeting Agenda: Benchmark RA program project status review meeting on 10/18/91 with Regional Board, w/marginalia2231972
10/24/1991Joseph Kwan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for approval to remove crushed concrete, ref Benchmark site, City of Industry, w/attchs & fax TL 10/25/19912231970
10/25/1991Joseph Kwan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Transmits STLC results, w/attch (faxed)2231971
11/12/1991Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / T R W, IncLtr: Response to request for waiver of discharge permit for 18,000 gallons of water stored at former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, ref CAO #89-0342231969
1/29/1992Amy Sullivan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 4th quarter 19912231965
2/4/1992Joseph Kwan / T R W, IncJuan Gonzales / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for authorization to dispose of 2,200 cubic yards of copper-impacted soil at Bailard Landfill, ref Benchmark soil remediation program, w/o permit application & results of laboratory analysis2231967
2/7/1992Joseph Kwan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionApplication for facility permit/waste discharge, ref 2,200 cubic yards of treated soil fr copper soil stabilization process, w/env addressed to P Chandler2231968
2/28/1992Jose Kou / CA Environmental Protection Agency - Dept of Toxic Substances ControlDouglas Pennington / T R W, IncLtr: Acknowledges receipt of ltr 2/26/92 requesting approval for disposal of treated contaminated soil fr Benchmark site at Bailard Landfill, ref Benchmark site, 200 S Turnbull Canyon Rd, City of Industry2231966
3/26/1992Joseph Kwan / T R W, IncJuan Gonzales / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for authorization to dispose of 1,000 cubic yards of copper-impacted soil treated to below 25 mg/l limit for soluble threshold limit concentrations (STLC), ref permit issued on 2/19/92, w/permit application & results of laboratory analysis2231964
3/30/1992Amy Sullivan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 1st quarter 19922231963
5/1/1992Woodward-Clyde ConsultantsT R W, IncRpt of sump closure at Benchmark facility, City of Industry2234081
5/12/1992Jay White / Woodward-Clyde ConsultantsBahman Hajialiakbar / Los Angeles County - Dept of Public WorksLtr: Transmits rpt of sump closure at Benchmark facility, City of Industry, ref closure permit #7698B, w/o attch2231962
7/30/1992Steve Mulligan / I D Environmental Assoc, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 2nd quarter 1992 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry2231961
8/4/1992Linda Niemeyer / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Response to ltr 7/22/92 fr Regional Board to TRW re workplan for offsite groundwater investigation at Benchmark Technology site, City of Industry, ref phase 5 workplan approval2231800
8/19/1992Amy Sullivan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Discharge of mud slurry generated fr exploratory borehole installation activities at Flagstaff Ave, City of Industry, ref TRW/Benchmark project, w/laboratory rpt2231799
8/25/1992Jeffrey Gwinn / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Health & safety plan for Benchmark's RA program in City of Industry dated 7/22/922231798
10/16/1992Joseph Kwan / T R W, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits & requests for review on rpt of soil investigations & remediation, Benchmark Technology site, City of Industry, w/o attchs2231797
1/4/1993Steve Mulligan / I D Environmental Assoc, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 3rd quarter 1992 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry2231796
1/4/1993Steve Mulligan / I D Environmental Assoc, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 4th quarter 1992 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry2231795
1/21/1993Philip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / T R W, IncLtr: Disposal of drilling mud, drill cuttings & development water, ref Benchmark off-site investigation, City of Industry [CAO 84-034]2231794
3/1/1993I D Environmental Assoc, IncT R W, IncQuarterly groundwater monitoring rpt, 1st quarter 1993 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry2234079
5/24/1993Steve Mulligan / I D Environmental Assoc, IncPhil Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 1st quarter 1993 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry2231792
8/20/1993T R W, IncPhil Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 2nd quarter 1993 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry2231793
8/30/1993Philip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / T R W, IncLtr: Informs of transmittal of copy of NPDES permit application for TRW groundwater treatment facility at 200 S Turnbull Canyon Rd, City of Industry to Permits Branch of EPA, ref NPDES #00632232231790
8/30/1993Philip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionEnvironmental Protection Agency - Region 9Ltr: Transmits copy of NPDES permit application for TRW groundwater treatment facility at 200 S Turnbull Canyon Rd, City of Industry, ref NPDES #0063223, w/o attch2231791
9/14/1993--Sign-in sheet for 9/14/93 meeting between Regional Board, Benchmark, Woodward-Clyde2231786
9/21/1993Philip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / T R W, Inc
Frank Hintze / Benchmark Holding Group
Ltr: Interim remedial action review - Benchmark Technology site, City of Industry, w/marginalia re file # now 102.0007 [CAO #89-034, file #86-22, faxed 9/28/93 by McDermott, Will & Emery]2231785
9/21/1993Philip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionFrank Hintze / Benchmark Holding Group
Joseph Kwan / T R W, Inc
Ltr: Interim remedial action review - Benchmark Technology site, City of Industry, w/marginalia re file # now 102.0007 [CAO #89-034, file #86-22]2231784
10/4/1993Steve Mulligan / I D Environmental Assoc, IncPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 3rd quarter 1993 - Benchmark remediation site, City of Industry2231783
10/8/1993Los Angeles Times (Newspaper)-Newsclip: Companies bow to EPA on San Gabriel cleanup (44 companies to reimburse EPA for future oversight costs)2096368
10/8/1993Steven Eames / San Gabriel Valley Tribune-Newsclip: EPA, companies agree to landmark groundwater pact - companies agree to pay for testing2096369
10/8/1993Steven Eames / San Gabriel Valley Tribune-Newsclip: Firms to fund pollution tests - officials hail major step toward cleaning up Superfund site2096360
10/8/1993La Opinion (Newspaper)-Newsclip: Investigaran la contaminacion del agua en San Gabriel (in Spanish)2096362
10/12/1993Stuart Price / McDermott, Will & Emery (Attorneys)Philip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits & requests for signature on declaration on ltr 9/21/93 fr P Chandler re interim remedial action review, ref Adelaida Land & Cattle Co vs Benchmark Holdings Group, ref CAO #89-034, w/attchs & marginalia2231782
10/28/1993Mark Giberson / Los Angeles Times (Newspaper)-Newsclip: Uncertainty over costs for cleanup - companies unsure of long-term costs, w/photo of Lansco2096373
11/17/1993Linda Niemeyer / Woodward-Clyde ConsultantsPhilip Chandler / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for revision of quarterly groundwater monitoring program - Benchmark Technology Inc, 200 S Turnbull Canyon Rd, City of Industry, w/fax TL (incomplete, p 1 only)2231781
12/27/1993Steve Mulligan / I D Environmental Assoc, IncRick Kaumeyer / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 4th quarter 1993 - Benchmark remediation site, City of Industry2234068
4/4/1994Steve Mulligan / I D Environmental Assoc, IncRick Kaumeyer / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 1st quarter 19942232615
4/12/1994Woodward-Clyde ConsultantsRick Kaumeyer / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater RA plan2232616
6/1/1994--Aerial Photos (19): Project NAPP, items #6858-90, 6858-91... 6858-104, #6862-124, 6862-125...6862-160, date flown 5/31/94 & 6/1/94 (B&W, 9-1/2 in x 9-1/2 in)2192346
7/1/1994I D Environmental Assoc, IncT R W, IncQuarterly rpt for groundwater monitoring, 2nd quarter 1994, Benchmark remediation site, City of Industry, w/marginalia2234069
7/19/1994Steve Mulligan / I D Environmental Assoc, IncRick Kaumeyer / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 2nd quarter 19942232614
9/26/1994Robert Ghirelli / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / T R W, IncLtr: General national pollutant discharge elimination system permit & waste discharge requirements, well head water treatment system, ref well sites at 200 S Turnbull Canyon Rd, City of Industry, w/attch [NPDES #CAG994150]2232613
10/4/1994Steve Mulligan / I D Environmental Assoc, IncEric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 3rd quarter 19942234076
10/7/1994Joseph Kwan / T R W, IncEric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Acknowledges receipt of groundwater RA plan review comments dated 9/28//94 & informs that TRW will incorporate recommendations into Benchmark groundwater remediation program2232612
2/7/1995Steve Mulligan / I D Environmental Assoc, IncEric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 4th quarter 19942232611
5/16/1995Steve Mulligan / I D Environmental Assoc, IncEric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt, 1st quarter 19952232610
7/12/1995Hydro Geo Chem, IncAtkins Environmental HELP, IncSoil gas survey - E W Smith Chemical Co, City of Industry2224412
8/1/1995T R W Environmental & Safety LaboratoryT R W, IncQuarterly groundwater monitoring rpt 8/95 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, w/marginalia re 4/952234077
9/1/1995T R W Environmental & Safety LaboratoryT R W, IncQuarterly groundwater monitoring rpt 9/95 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, w/marginalia re 7/952234078
10/2/1995T R W, IncEric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpts for 8/95 & 9/952232607
1/1/1996Environmental Protection Agency - Region 9-Table re OSCO trigger levels (sheet1)2096341
2/9/1996T R W, IncEric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt for 10/952232605
4/5/1996T R W, IncEric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt for 1/962232604
4/25/1996Patti Collins / Environmental Protection Agency - Region 9-Photos (19): OSCO neighborhood at Basetdale Ave & Alanwood Rd, w/negatives (4 in x 6 in, color)2096339
5/6/1996Orion Environmental, Inc-Maps (2): Figure 3-2, total VOC concentration contour map, zone A, 4/96 & figure 3-3, total VOC concentration contour map, zone B, 4/96, ref former TRW/Benchmark site (11 in x 17 in, color, scale 1 in = 400 ft)2231769
6/1/1996Environmental Protection Agency - Region 9-OSCO potential sampling locations, w/aerial photo & overlay #12096333
6/1/1996Environmental Protection Agency - Region 9-OSCO sampling media/technology alternatives2096332
6/8/1996--Photos (17): Stained floor, taken on 6/7/96 & 6/8/96 (color, 3-1/2 in x 5 in)2192337
6/28/1996T R W, IncJulio Lara / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt for 4/962232603
7/1/1996Camp Dresser & McKee, IncPuente Valley Steering Committee[Draft] final FS, Puente Valley OU interim RI/FS - rpt & appendices A-C2190237
7/1/1996C H 2 M Hill, Inc-Map: PCE concentrations measured in soil gas samples collected fr 5- to 10-ft below ground surface in 7/96, w/sketches, aerial photo & overlay #1 (8-1/2 in x 11 in, B & W, scale unknown)2096335
7/19/1996C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Field task-specific workplan, OSCO Puente Valley site soil gas investigation, Whittier Narrows OU2096342
7/22/1996C H 2 M Hill, Inc-Table 1, address list of residence, OSCO, Puente Valley site (addresses on Basetdale Ave, Alanwood Rd, Santa Mariana Ave, Karns Ave & Hilbert Ave in La Puente), w/marginalia fr Doug to Vicki (faxed fr CH2M Hill)2096328
7/26/1996C H 2 M Hill, Inc-OSCO door-to-door (addresses & homeowners on Basetdale Ave, Alanwood Rd, Santa Mariana Ave & Hilbert Ave), w/marginalia2096327
8/7/1996C H 2 M Hill, Inc-Table B-1, halogenated & aromatic hydrocarbons field analyses results for soil gas samples, former OSCO site, City of Industry, 25 target compound list, w/figure 2, location map (draft, faxed 8/7/96)2096334
8/12/1996Environmental Support Technologies, IncC H 2 M Hill, IncMulti-depth soil gas survey rpt - former OSCO site, Alanwood Rd, Bassett, w/TL 8/14/962096336
8/26/1996Gabriel Silva / C H 2 M Hill, Inc
Jill Bensen / C H 2 M Hill, Inc
Doug Frazer / Environmental Protection Agency - Region 9Memo: Results of subsurface soil gas investigation performed at former OSCO Puente Valley site located within Whittier Narrows OU, w/attchs2096330
10/2/1996T R W, IncJulio Lara / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt for 7/962232602
1/1/1997T R W Environmental & Safety LaboratoryT R W, IncQuarterly groundwater monitoring rpt for 10/96 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, w/marginalia (incomplete, pp 2, 12 & 13, figures 3-1, 3-2 & 3-3 only)2232601
1/1/1997C H 2 M Hill, Inc-Map: 1997 shallow VOC contamination, Puente Valley OU (draft, 11 in x 17 in, color, scale 1 in = about 2,800 ft)2192327
1/1/1997C H 2 M Hill, Inc-Map: 1997 deep VOC contamination, Puente Valley OU (draft, 11 in x 17 in, color, scale 1 in = about 2,800 ft)2192326
1/1/1997Environmental Protection Agency - Region 9-Subtasks A, B & C, LOE estimates, w/marginalia re email to Doug, OSCO WP estimate & SOW insert2096345
1/30/1997T R W, IncJulio Lara / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt for 10/96 [NPDES #CAG994150]2232040
2/6/1997--Photos (5): Excavation, taken on 2/6/97 (color, 3-1/2 in x 5 in)2192338
2/18/1997H S I GeoTrans, Inc-Map: Figure 1, well location - Carrier Corp, City of Industry, ref project N329-107 (color, 11 in x 17 in, scale 1 in = 500 ft)2184042
3/3/1997Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region-Meeting Notes: Meeting on 3/3/97 with Trammell Crow Co re covenant not to sue agreement, ref former Benchmark Technology site, w/sign-in attendance list (handwritten)2232039
3/17/1997Camp Dresser & McKee, Inc-Oversize Map: Plate 2, network well & San Jose Creek surface water & weephole sampling results 3/95, ref Puente Valley OU interim RI/FS (blueline, 24 in x 36 in, scale 1 in = 1500 ft)2166724
3/17/1997Stephen Jones / Jones, Day, Reavis & Pogue (Attorneys)Julio Lara / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Expresses appreciation for meeting with T Bak & S Jones to discuss prospective purchaser agreement for Benchmark property in City of Industry & Trammell Crow's proposed purchase of property2232038
3/17/1997Camp Dresser & McKee, Inc-Oversize Map: Plate 1, cluster well TCE & PCE concentrations, 7-day, 1st, 2nd & 3rd quarterly sampling, ref Puente Valley OU interim RI/FS (blueline, 24 in x 36 in, scale 1 in = 500 meters)2166722
4/16/1997--Table re groundwater monitoring rpt, 1st quarter 1997, ref field I D #EW01, EW06, EW11...2192385
4/25/1997--Photos (2): Drum, taken on 4/25/97 (color, 3-1/2 in x 5 in)2192340
5/5/1997Camp Dresser & McKee, Inc-Oversize Map: Plate 4, site plan, A-A' cross section, ref Puente Valley OU interim RI/FS (blueline, 24 in x 36 in, scale vert 1 in = 100 ft, horiz 1 in = 1600 ft)2166725
5/8/1997Camp Dresser & McKee, Inc-Oversize Map: Plate 1, cluster well TCE & PCE concentrations, 7-day, 1st, 2nd & 3rd quarterly sampling, ref Puente Valley OU interim RI/FS (blueline, 24 in x 36 in, scale 1 in = 500 meters)2166723
5/12/1997Jeffrey Gwinn / Orion Environmental, IncJulio Lara / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Transmits agenda for conference call on 5/13/97 re TRW/Benchmark site & site maps showing Trammell Crow's proposed bldg & SVE system, w/attchs (faxed 5/12/97)2232037
7/16/1997Linda Niemeyer / Orion Environmental, Inc
Jeffrey Gwinn / Orion Environmental, Inc
Julio Lara / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Requests that quarterly groundwater monitoring be modified to semiannual groundwater monitoring, ref former Benchmark site, City of Industry2232036
9/5/1997Camp Dresser & McKee, IncPuente Valley Steering CommitteeSAP, shallow plume investigation/confirmatory sampling program, mouth of Puente Valley, w/TL to E Chow (preliminary draft)2190252
9/29/1997David Chamberlin / Camp Dresser & McKee, IncEugenia Chow / Environmental Protection Agency - Region 9Memo: Rationale & location of phase 2 in-situ groundwater samples, mouth of Puente Valley, shallow plume investigation, w/figure 1-1 titled phase 2 in-situ groundwater sample location map & fax TL to E Chow, et al requesting review2190246
9/29/1997David Chamberlin / Camp Dresser & McKee, IncEugenia Chow / Environmental Protection Agency - Region 9Memo: Rationale & location of phase 2 in-situ groundwater samples, mouth of Puente Valley, shallow plume investigation, w/figure 1-1 titled phase 2 in-situ groundwater sample location map2190245
9/29/1997Camp Dresser & McKee, Inc-Map: Figure 1-1, phase 1/phase 2 in-situ groundwater sample location map, Puente Valley OU (color, 8-1/2 in x 11 in, scale unknown)2190251
10/13/1997David Chamberlin / Camp Dresser & McKee, IncEugenia Chow / Environmental Protection Agency - Region 9Memo: Transmits on behalf of Puente Valley Steering Committee draft tables 1a & 1b showing VOC & nitrate/TDS values for all data & draft table 2..., ref shallow investigation/confirmation program results, w/attchs2190244
10/27/1997--Table re groundwater monitoring rpt, 3rd quarter 1997, ref field I D #CP09, EW01, EW06...2192387
11/4/1997Malcolm Webster / Orion Environmental, Inc
Jeffrey Gwinn / Orion Environmental, Inc
Julio Lara / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for well abandonment, ref TRW-Benchmark site, City of Industry, w/figure 1, SVE system layout & proposed bldg location2232034
11/20/1997Sharon Wallin / Camp Dresser & McKee, IncEugenia Chow / Environmental Protection Agency - Region 9Memo: Transmits table 1, monitoring well sampling results, VOCs, nitrate & TDS analytical summary, mouth of Puente Valley investigation, w/attch ( faxed)2190249
11/25/1997Jonathan Harris / C H 2 M Hill, IncEugenia Chow / Environmental Protection Agency - Region 9Memo: Applicability of NoVOCs technology in Puente Valley OU, w/fax TL2190247
11/26/1997Joseph Kwan / T R W, IncJulio Lara / CA Regional Water Quality Control Board - Los Angeles RegionTL: Quarterly groundwater monitoring rpt for 5/972232033
12/1/1997Jeffrey Gwinn / Orion Environmental, Inc
Malcolm Webster / Orion Environmental, Inc
Julio Lara / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits graphs showing total VOC concentrations vs time, ref vapor wells VES #1A, VES #1B, VM-4A, VM-4B, Z2-12 & VES #2, TRW/Benchmark site, City of Industry, w/attchs2232032
12/10/1997Arthur Heath / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / T R W, IncLtr: Acknowledges receipt of 1) ltr 11/4/97 re request for well abandonment & 2) ltr 12/1/97 re historical VOC concentrations for vapor wells VES #1A, VES #1B, VM-4A, VM-4B, Z2-12 & VES #2, ref former Benchmark site, 200 S Turnbull Canyon Rd, Industry2232031
12/18/1997Sharon Wallin / Camp Dresser & McKee, IncEugenia Chow / Environmental Protection Agency - Region 9Memo: Transmits finalized table 1, monitoring well sampling results, VOCs, nitrate & TDS analytical summary, mouth of Puente Valley investigation, w/attch ( faxed)2190250
3/6/1998Julio Lara / CA Regional Water Quality Control Board - Los Angeles RegionJorge Leon / CA Regional Water Quality Control Board - Los Angeles Region
Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles Region
(Privileged, FOIA ex 5) Memo: Transmits ltr drafted at request of Trammell Crow Co acknowledging agreement & covenant not to sue (ACNS) in lieu of pre-purchase agreement (PPA), w/o attch (Privileged document target only)2240725
6/11/1998Joseph Kwan / T R W, IncJulio Lara / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits interim status rpt, 1992-96 & informs that ownership of Benchmark property at 200 S Turnbull Canyon Rd, City of Industry has been transferred fr Benchmark Holding Group to Trammell Crow Co, w/o attch2232026
6/23/1998CA Regional Water Quality Control Board - Los Angeles Region-Meeting Agenda: Status rpt submittal & soil closure meeting on 6/23/98, ref Benchmark site, City of Industry2232024
6/23/1998Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region-Sign-in sheet of meeting on 6/23/98 with TRW, Orion, w/notes re remedial progress in vadose zone & business cards of Orion Environmental's L Niemeyer & M Webster2232025
7/24/1998Joseph Kwan / T R W, IncJulio Lara / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits & requests for approval of closure rpt for vadose zone soil at Benchmark site, w/marginalia, w/o attch2232023
7/24/1998Jonathan Harris / C H 2 M Hill, IncLoren Henning / Environmental Protection Agency - Region 9Technical Memo: Evaluation of potential nitrate & TDS impacts fr Puente Valley OU discharge to San Jose Creek2190253
8/1/1998T R W Safety, Health & Environmental AffairsT R W, IncGroundwater monitoring rpt, 11/97 annual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry2234072
8/4/1998Joseph Kwan / T R W, IncArthur Heath / CA Regional Water Quality Control Board - Los Angeles RegionEmail: Requests for approval of closure rpt for vadose zone soil at Benchmark site forwarded to J Lara on 7/24/98, w/marginalia2232022
8/10/1998Camp Dresser & McKee, Inc-Discharge options study rpt, draft, w/TL 8/10/98 fr J Kwan to L Henning2162745
9/3/1998Joseph Kwan / T R W, IncEjigu Solomon / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt for 11/972232020
9/15/1998Arthur Heath / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / T R W, IncLtr: Acknowledges receipt of ltr 7/24/98 transmitting closure rpt for vadose zone soil & informs of no further requirements - TRW/Benchmark site, 200 S Turnbull Canyon Rd, City of Industry2232019
12/1/1998CA Regional Water Quality Control Board - Los Angeles RegionEnvironmental Protection Agency - Region 9Annual rpt, 1998, Well Investigation Program, w/TL 9/13/99 to E Adams2162742
4/19/1999Joseph Kwan / T R W, IncEjigu Solomon / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt for 5/982232014
5/13/1999David Chamberlin / Camp Dresser & McKee, IncElizabeth Adams / Environmental Protection Agency - Region 9Memo: Transmits 1) preliminary data fr testing of San Gabriel Valley Water Co wells B7C & B11B & 2) SAP for additional investigation of east & west shallow groundwater plumes in mouth of Puente Valley, w/attchs & marginalia2192322
5/19/1999David Chamberlin / Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9
Elizabeth Adams / Environmental Protection Agency - Region 9
Memo: Transmits on behalf of Puente Valley Steering Committee rationale for siting of new wells for Puente Valley OU expedited RD program (ERD), w/attch A & marginalia (faxed)2162809
5/20/1999Camp Dresser & McKee, IncPuente Valley Steering CommitteeTable re mouth of Puente Valley investigation, chlorinated VOCs analytical summary, PVSC 1997-982162810
7/12/1999Joseph Kwan / T R W, IncEjigu Solomon / CA Regional Water Quality Control Board - Los Angeles RegionTL: Soil & groundwater remediation, 1997 status rpt2232012
8/12/1999Camp Dresser & McKee, IncPuente Valley Steering CommitteeWells B7C & B11B investigation, rpt of findings, w/marginalia & TL to P McDaniel, w/oversize drawings2192381
9/2/1999Dave Mark / C H 2 M Hill, Inc
Jonathan Harris / C H 2 M Hill, Inc
Penelope McDaniel / Environmental Protection Agency - Region 9Technical Memo: Review of Puente Valley OU wells B7C & B11B investigation, rpt of findings dated 8/12/99, w/table, plot & TL2162815
9/2/1999Jonathan Harris / C H 2 M Hill, Inc
Dave Mark / C H 2 M Hill, Inc
Penelope McDaniel / Environmental Protection Agency - Region 9Technical Memo: Review of Puente Valley OU wells B7C & B11B investigation, rpt of findings dated 8/12/99, w/table, plot & marginalia2162816
4/5/2000Tom Henderson / C H 2 M Hill, Inc
Robert Collar / C H 2 M Hill, Inc
Jonathan Harris / C H 2 M Hill, Inc
Penelope McDaniel / Environmental Protection Agency - Region 9Memo: Review of PVSC's analysis of slug & step aquifer tests, w/o plots & calculations, w/marginalia2162814
4/5/2000Tom Henderson / C H 2 M Hill, Inc
Robert Collar / C H 2 M Hill, Inc
Jonathan Harris / C H 2 M Hill, Inc
Penelope McDaniel / Environmental Protection Agency - Region 9Memo: Review of PVSC's analysis of slug & step aquifer tests, w/o plots & calculations, w/attch dated 2/21/2000 re slug tests, step-drawdown tests, comparison to model conductivities...2162813
4/6/2000Joseph Kwan / T R W, IncEjigu Solomon / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt, 5/99 semiannual event2231780
4/14/2000Penelope McDaniel / Environmental Protection Agency - Region 9Joseph Kwan / Puente Valley Steering CommitteeMemo: Review of data & analysis of slug tests & step tests performed on wells installed at mouth of Puente Valley2162811
6/13/2000T R W, IncEjigu Solomon / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt, 11/99 annual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry2231778
8/16/2000T R W, IncEjigu Solomon / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt, 5/2000 semiannual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry2231777
9/1/2000Orion Environmental, IncT R W, IncSoil & groundwater remediation, 1999 status rpt2234074
9/26/2000Brian Yeich / United Technologies CorpDixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Informs that Carrier Corp concluded data collected during oxidation FS was inconclusive & rescinded request to extend testing period, ref former Carrier facility, 935 S Azusa Ave, City of Industry (faxed 4/19/2001)2183517
9/29/2000Joseph Kwan / T R W, IncEjigu Solomon / CA Regional Water Quality Control Board - Los Angeles RegionTL: Soil & groundwater remediation, 1999 status rpt, ref former TRW/Benchmark site, 200 Turnbull Canyon Rd, City of Industry2231773
10/30/2000Scott Parsons / H S I GeoTrans, IncArthur Heath / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits site assessment & RA quarterly progress rpt #74, ref BDP Co/Carrier Corp & CAO #88-11, w/attch2192382
3/1/2001T R W, IncEjigu Solomon / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt, 11/2000 annual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry2231779
4/27/2001Scott Parsons / GeoTrans, IncArthur Heath / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Transmits site assessment & RA quarterly progress rpt #75, ref BDP Co/Carrier Corp & CAO #88-11, w/attch2192383
7/18/2001Jeffrey Gwinn / Orion Environmental, IncEjigu Solomon / CA Regional Water Quality Control Board - Los Angeles RegionTL: Soil & groundwater remediation, 2000 status rpt, ref former TRW/Benchmark site, 200 Turnbull Canyon Rd, City of Industry2231772
9/21/2001Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionAmy Sullivan / T R W, IncLtr: Acknowledges receipt of semiannual groundwater monitoring rpt dated 8/2001 & requests for submittal of executive summary of groundwater remedial activities, map of plumes..., ref former Benchmark site, 200 Turnbull Canyon Rd, City of Industry2231771
9/27/2001CA Regional Water Quality Control Board - Los Angeles Region-Meeting Notes: Meeting on 9/27/2001 with TRW Inc re 3 sites, Monadnock, Benchmark & former Lucas Western2231770
11/14/2001Orion Environmental, Inc-Maps (2): Figure 1, total VOC concentration contour map, zone A, 5/2001 & 4/96 comparison & figure 2, total VOC concentration contour map, zone B, 5/2001 & 4/96 comparison, ref former TRW/Benchmark site (11 in x 17 in, color, scale 1 in = 400 ft)2231768
11/30/2001Angelica Castaneda / CA Regional Water Quality Control Board - Los Angeles Region-Sign-in sheet for meeting on 11/30/2001 with L Niemeyer re Benchmark site2231767
11/30/2001Angelica Castaneda / CA Regional Water Quality Control Board - Los Angeles Region-Meeting Notes: Meeting on 11/30/2001 with L Niemeyer re Benchmark status, Western Gear status, Monadnock status, w/1) table re 1,4-dioxane by modified EPA 8260 & 2) table re FIELD_PT_NAME, XY_SURVEY_DATE, LATITUDE...2231766
3/29/2002Robert Walter / T R W, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: PRP notice of intent to comply with UAO #2002-06 for RD/RA (faxed 12/26/2002 to A Castaneda)2231765
5/20/2002T R W, IncAngelica Castaneda / CA Regional Water Quality Control Board - Los Angeles RegionTL: Annual groundwater monitoring & remediation system status rpt, 11/2001 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry2231762
8/7/2002Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Groundwater monitoring results for 4/2002 monitoring event, Puente Valley OU, w/attchs2192330
8/13/2002Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9TL: Groundwater monitoring results for 4/2002 monitoring event, Puente Valley OU2192372
11/8/2002Robert Walter / T R W, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Notice of potential change in ownership of TRW Inc, ref Puente Valley OU AO for RA dated 3/21/2002, w/o attch2231761
11/14/2002T R W, IncAngelica Castaneda / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt, 6/2002 semiannual event2231760
12/17/2002Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / Northrop Grumman CorpLtr: Transmits info re spills, leaks, investigations & cleanups (SLIC) oversight cost reimbursement account - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, w/o attchs2231759
12/20/2002David Chamberlin / Camp Dresser & McKee, IncCarol Williams / Main San Gabriel Basin WatermasterLtr: Expresses concerns on San Gabriel Valley Water Co's B11 & B24 projects2164036
1/21/2003Timothy Ryan / San Gabriel Valley Water CoDavid Chamberlin / Camp Dresser & McKee, IncLtr: Responds to ltr 12/20/2002 fr D Chamberlin re CDM work on behalf of TRW Inc on design of intermediate zone remedy for Puente Valley OU, w/o attch2164034
1/22/2003Michael Whitehead / San Gabriel Valley Water CoDixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Expresses appreciation for meeting on 1/16/2003 to discuss cleanup measures in Puente Valley OU prompted by modeling & mapping of contaminant plumes by CH2M Hill, ref B7, B9 & B11 wells2164035
1/23/2003David Chamberlin / Camp Dresser & McKee, IncCarol Williams / Main San Gabriel Basin WatermasterLtr: Comments on behalf of Northrop Grumman Space & Missions Systems Corp (formerly TRW Inc) & Puente Valley Steering Committee on ltr 1/7/2003 fr F LoGuidice to C Williams, ref San Gabriel Valley Water Co B11 & B24 projects2164033
2/10/2003Christian Volz / McKenna, Long & Aldridge (Attorneys)Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Comments on statements in ltr 1/22/2003 fr M Whitehead to D Oriola re Benchmark Technology site2231758
2/21/2003Dave Mark / C H 2 M Hill, IncAngelica Castaneda / CA Regional Water Quality Control Board - Los Angeles RegionEmail: Request for boring/well log for Benchmark wells W20 & W122231756
2/24/2003Linda Niemeyer / Orion Environmental, IncAngelica Castaneda / CA Regional Water Quality Control Board - Los Angeles RegionMemo: Boring logs for Benchmark wells W12 & W20, w/attch & TL 2/24/2003 to D Mark (faxed)2231757
3/20/2003--Meeting Agenda: Puente Valley OU technical meeting on 3/20/20032224403
3/20/2003--Sign-in sheet of Puente Valley OU technical meeting on 3/20/2003 (faxed)2224404
3/20/2003Penelope McDaniel / Environmental Protection Agency - Region 9-Puente Valley OU shallow zone RD status, w/map & shallow zone monitoring summary table2224405
3/20/2003--Overheads: CSIWNP chronology of events, MP-21 objectives..., w/table 1, Puente Valley OU groundwater results analytical summary, VOCs, table 2, Puente Valley OU groundwater results analytical summary, emerging compounds, nitrate...2224406
5/12/2003Penelope McDaniel / Environmental Protection Agency - Region 9Carol Williams / Main San Gabriel Basin WatermasterLtr: Comments on Watermaster's staff rpt addendum 5/5/2003 re proposed San Gabriel Valley Water Co B11C replacement well2164025
7/1/2003Penelope McDaniel / Environmental Protection Agency - Region 9Carol Williams / Main San Gabriel Basin WatermasterLtr: Comments on Watermaster's staff rpt 6/23/2003 re proposed San Gabriel Valley Water Co B24A & B24B replacement wells & water treatment plant2164024
10/1/2003Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / Northrop Grumman CorpTL: Cleanup & abatement order #R4-2003-0021, ref former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry2231754
10/1/2003Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles RegionNorthrop Grumman Space & Missions Systems CorpCleanup & abatement order #R4-2003-0021, w/attchs A & B2231753
10/29/2003--Sign-in sheet for 10/29/2003 meeting between Regional Board, Northrop Grumman, CDM & Orion re former Benchmark site2231751
11/1/2003Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 5/2003 semiannual event2234070
12/2/2003Maureen Tabon / Northrop Grumman CorpAngelica Castaneda / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt, 5/2003 semiannual event2231750
3/9/2004Christian Volz / McKenna, Long & Aldridge (Attorneys)Dustin Minor / Environmental Protection Agency - Region 9
David Bacharowski / CA Regional Water Quality Control Board - Los Angeles Region
Ltr: Northrop's proposal re scope of work to perform under negotiated Benchmark CAO, ref rescinded CAO #R4-2003-021 & Puente Valley regional shallow zone remedy, w/marginalia2231748
3/9/2004Christian Volz / McKenna, Long & Aldridge (Attorneys)David Bacharowski / CA Regional Water Quality Control Board - Los Angeles Region
Dustin Minor / Environmental Protection Agency - Region 9
Ltr: Northrop's proposal re scope of work to perform under negotiated Benchmark CAO, ref rescinded CAO #R4-2003-021 & Puente Valley regional shallow zone remedy, w/mail checklist2231744
3/18/2004John Dolegowski / C H 2 M Hill, Inc-Meeting Notes: Summary of Puente Valley OU groundwater modeling presentation to DTSC on 3/18/20042183540
4/12/2004David Chamberlin / Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Monthly progress rpt for 3/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, formerly TRW Inc, w/TL to P McDaniel2192378
4/14/2004Maureen Tabon / Northrop Grumman CorpCarlos Ortez / CA Regional Water Quality Control Board - Los Angeles RegionTL: Annual groundwater monitoring & remediation system status rpt, 11/20032231746
5/11/2004Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles RegionChristian Volz / McKenna, Long & Aldridge (Attorneys)Ltr: Comments on proposal submitted by Northrop on 3/9/2004 that Northrop be held responsible for 1,4-dioxane groundwater cleanup to Valley Boulevard only, ref rescinded CAO #R4-2003-021 & Puente Valley regional shallow zone remedy2231745
5/18/2004--Sign-in sheet for 5/18/2004 meeting between Regional Board, Northrop Grumman, EPA, CDM & Watermark re former Benchmark site2231743
7/9/2004David Chamberlin / Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Monthly progress rpt for 6/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, formerly TRW Inc, w/TL to P McDaniel2192379
8/9/2004David Chamberlin / Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Monthly progress rpt for 7/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, formerly TRW Inc, ref UAO #2002-06, w/TL 7/9/2004 [sic] to P McDaniel2184026
8/18/2004Don Lee / GeoTrans, Inc
Scott Parsons / GeoTrans, Inc
Joe Boada / City of La Puente - Dept of Public WorksLtr: Informs that client United Technologies Corp reached agreement with EPA to install groundwater extraction & treatment system for Puente Valley OU & transmits map showing locations of 6 groundwater extraction wells, w/attch2184023
9/1/2004C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Drawings: Puente Valley RD groundwater treatment plant, wells & pipelines, interim pre-final focused design review package (B & W, 11 in x 17 in, preliminary, not for construction)2193825
9/1/2004Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 5/2004 semiannual event2234071
9/1/2004C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Drawings: Puente Valley RD groundwater treatment plant, wells & pipelines, interim pre-final focused design review package, w/marginalia (B & W, 11 in x 17 in, preliminary, not for construction)2184037
9/2/2004John Dolegowski / C H 2 M Hill, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Transmits interim pre-final focused design submittal, Puente Valley OU shallow zone RD, w/rpt titled groundwater extraction & treatment plant, interim pre-final focused design submittal dated 9/2004 & containing technical specifications2193824
9/10/2004David Chamberlin / Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Monthly progress rpt for 8/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, formerly TRW Inc, ref UAO #2002-06, w/TL 9/14/2004 to P McDaniel2184027
9/16/2004John Dolegowski / C H 2 M Hill, Inc
Lucy Menon / C H 2 M Hill, Inc
Scott Parsons / GeoTrans, IncMemo: Pipeline design sheets for Puente Valley OU interim pre-final focused design, ref proposed locations of planned shallow zone extraction wells, w/drawings2183533
9/17/2004Maureen Tabon / Northrop Grumman CorpCarlos Ortez / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt, 5/2004 semiannual event2231742
9/20/2004--Table re federal funding administration summary, application period #4 ending 7/9/2004, approved 9/20/2004, ref Water Entities & cities including California Domestic Water Co, Valley County Water Dist, City of Monterey Park...(final, color, 11 in x 17 in)2238558
10/7/2004Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / Northrop Grumman CorpLtr: Acknowledges receipt of ltr 5/14/2004 re abandonment of select groundwater monitoring & SVE wells & informs that Regional Board agrees with EPA/Northrop recommendation - former Western Gear facility at 14724 E Proctor Ave, City of Industry2186386
10/13/2004John Dolegowski / C H 2 M Hill, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Transmits interim pre-final focused design submittal markups, Puente Valley OU shallow zone RD, w/attchs including ltr 9/2/2004 & specifications2184036
10/15/2004Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / Northrop Grumman CorpLtr: Acknowledges receipt of soil vapor extraction well installation rpt & request for closure of 1,1,1-TCA still area dated 8/27/2003... & informs of no further requirements for vadose zone - former Western Gear, 14724 E Proctor Ave, Industry, w/map2186387
10/26/2004John Dolegowski / C H 2 M Hill, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Transmits interim pre-final focused design submittal markups dated 10/13/2004, design sheets, DVDs, ref Puente Valley OU shallow zone RD, w/o attchs2184038
11/10/2004David Chamberlin / Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Monthly progress rpt for 10/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, ref UAO #2002-06, w/TL 11/10/2004 to P McDaniel2184029
11/16/2004Penelope McDaniel / Environmental Protection Agency - Region 9David Bacharowski / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Regional Board concurs on technical memo 8/13/2004 re updated evaluation of potential impacts to San Jose Creek & San Gabriel River fr nitrate & TDS in Puente Valley OU treatment discharge2071853
12/1/2004C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Final field investigation rpt for Puente Valley OU shallow groundwater RD, w/color-coded maps2193830
12/1/2004C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Final field investigation rpt for Puente Valley OU shallow groundwater RD2223883
12/1/2004GeoTrans, Inc-Draft RD workplan, westernmost plume area monitoring well installation & groundwater monitoring, ref interim shallow zone remedy, Puente Valley OU2183513
12/8/2004David Chamberlin / Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Monthly progress rpt for 11/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, ref UAO #2002-06, w/TL 12/8/2004 to P McDaniel2184030
12/16/2004Scott Parsons / GeoTrans, IncPenelope McDaniel / Environmental Protection Agency - Region 9TL: 1) RD workplan, installation & testing of extraction wells & 2) draft RD workplan, westernmost plume area monitoring well installation & groundwater monitoring, ref interim shallow zone remedy, Puente Valley OU2183514
1/10/2005David Chamberlin / Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Monthly progress rpt for 12/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, ref UAO #2002-06, w/TL 1/10/2005 to P McDaniel2184031
2/10/2005David Chamberlin / Camp Dresser & McKee, IncPenelope McDaniel / Environmental Protection Agency - Region 9Ltr: Monthly progress rpt for 1/2005 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, ref UAO #2002-06, w/TL 1/10/2005 [sic] to P McDaniel2184032
2/17/2005Scott Parsons / GeoTrans, IncPenelope McDaniel / Environmental Protection Agency - Region 9TL: Preliminary draft RD workplan, interim shallow zone remedy, Puente Valley OU, City of Industry & La Puente2225367
2/23/2005Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / Northrop Grumman CorpLtr: Informs that Regional Board reviewed case files for Northrop Grumman Space & Missions Systems Corp (NGSMSC), formerly known as TRW/Benchmark & believes there is no need to issue new CAO, ref CAO #89-0342231740
3/1/2005Northrop Grumman Space & Missions Systems Corp-Annual groundwater monitoring & remediation system status rpt, 11/20042231156
3/8/2005Joseph Kwan / Northrop Grumman CorpDavid Bacharowski / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Comments on supplemental requirements to CAO #89-034 in ltr 2/23/2005 fr Regional Board, ref Benchmark Technology, City of Industry2231739
3/25/2005Maureen Tabon / Northrop Grumman CorpCarlos Ortez / CA Regional Water Quality Control Board - Los Angeles RegionTL: Annual groundwater monitoring & remediation system status rpt, 11/2004 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry2231735
4/1/2005GeoTrans, Inc-RD workplan, interim shallow zone remedy, Puente Valley OU, City of Industry & La Puente2222891
4/18/2005Thomas Cota / CA Environmental Protection Agency - Dept of Toxic Substances ControlKathleen Salyer / Environmental Protection Agency - Region 9Ltr: Comments on proposed explanation of significant differences (ESD)2071854
5/6/2005Camp Dresser & McKee, IncNorthrop Grumman Space & Missions Systems CorpRD/RA workplan, Puente Valley OU intermediate zone remedy2222889
5/6/2005Michele Zych / Camp Dresser & McKee, IncDana Barton / Environmental Protection Agency - Region 9TL: RD/RA workplan, Puente Valley OU intermediate zone remedy2225381
5/18/2005Kathleen Salyer / Environmental Protection Agency - Region 9Thomas Cota / CA Environmental Protection Agency - Dept of Toxic Substances ControlLtr: Responds to DTSC comments on proposed explanation of significant differences (ESD)2071855
6/1/2005Orion Environmental, IncNorthrop Grumman Space & Missions Systems CorpRA plan for Valley Boulevard groundwater remediation - former Benchmark Technology facility, City of Industry, ref CAO #89-034 , w/TL to D Bacharowski2234075
8/1/2005Kathleen Salyer / Environmental Protection Agency - Region 9FileMemo: Data relied upon for explanation of significant differences (ESD)2071852
8/9/2005San Gabriel Valley Tribune-Newsclip: Public notice - EPA announces changes to cleanup plan for San Gabriel Valley site (area 4), Puente Valley OU2112749
8/30/2005Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / Northrop Grumman CorpLtr: Approves RA plan for Valley Boulevard groundwater remediation dated 6/1/2005 - former TRW/Benchmark Technology facility, 200 Turnbull Canyon Rd, City of Industry, w/SLIC 2 mail checklist2231737
9/1/2005Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 5/2005 semiannual event2231154
9/16/2005Maureen Tabon / Northrop Grumman CorpCarlos Ortez / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt, 5/2005 semiannual event2231733
10/17/2005Camp Dresser & McKee, IncDana Barton / Environmental Protection Agency - Region 9Ltr: Groundwater monitoring results for 6/2005 monitoring event, Puente Valley OU, w/attchs, w/o compact disc2222882
1/1/2006Environmental Protection Agency - Region 9-Compact Disc: Intermediate zone (IZ) geophysical logs, Puente Valley OU2222886
2/1/2006Environmental Protection Agency - Region 9-Fact Sheet: EPA to oversee field work to install groundwater cleanup system in Puente Valley area (in English & Spanish)2222856
3/6/2006Camp Dresser & McKee, IncNorthrop Grumman Space & Missions Systems CorpRD/RA workplan, Puente Valley OU intermediate zone remedy (revised 3/6/2006)2225382
3/7/2006Orion Environmental, IncJoseph Kwan / Northrop Grumman CorpLtr: Downgradient groundwater extraction system - former Benchmark site, City of Industry, w/TL to D Bacharowski2234080
3/10/2006Camp Dresser & McKee, IncDana Barton / Environmental Protection Agency - Region 9Ltr: Groundwater monitoring results for 12/2005 groundwater monitoring event, Puente Valley OU, w/attchs, w/o compact disc2222878
4/1/2006Northrop Grumman Space & Missions Systems Corp-Annual groundwater monitoring & remediation system status rpt, 11/2005, w/o compact disc2231157
4/10/2006Amy Sullivan / Northrop Grumman CorpDixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionTL: Annual groundwater monitoring & remediation system status rpt, 11/20052231736
4/28/2006US Dept of Justice - Environment & Natural Resources Div-Amended Consent Decree #CV-05-6022 ABC (FMOx) for response actions & cost recovery, USA v Carrier Corp, w/apps A-H1102867
8/31/2006Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / Northrop Grumman CorpLtr: 2006/2007 annual estimation ltr for spills, leaks, investigations & cleanups (SLIC) cost recovery program - Benchmark Technology at 425 Turnbull Canyon Rd, City of Industry, w/o attchs2231738
9/1/2006Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 6/2006 semiannual event, w/o compact disc2231155
9/29/2006Amy Sullivan / Northrop Grumman CorpDixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt, 6/2006 semiannual event2231734
10/25/2006Camp Dresser & McKee, IncDana Barton / Environmental Protection Agency - Region 9Ltr: Groundwater monitoring results for 6/2006 groundwater monitoring event, Puente Valley OU, w/attchs, TL & compact disc2222881
10/26/2006GeoTrans, Inc-Overheads: Shallow zone north of Puente Creek RD/RA stakeholders meeting on 10/26/20062222884
10/26/2006--Overheads: Intermediate zone RD/RA, Puente Valley OU technical meeting on 10/26/2006, w/marginalia re next quarterly meeting2222883
1/1/2007GeoTrans, Inc-Aquifer testing & numerical modeling analysis, interim shallow zone remedy, Puente Valley OU (draft)2225347
3/1/2007Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 12/2006 semiannual event, w/o compact disc2231147
3/30/2007Camp Dresser & McKee, IncDana Barton / Environmental Protection Agency - Region 9Ltr: Groundwater monitoring results for 12/2006 groundwater monitoring event, Puente Valley OU, w/attchs & TL, w/o compact disc2222880
3/31/2007Amy Sullivan / Northrop Grumman CorpDixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt 12/2006 semiannual event2231726
4/17/2007Camp Dresser & McKee, IncNorthrop Grumman Space & Missions Systems CorpConceptual/preliminary (30 percent) design rpt, Puente Valley OU intermediate zone (IZ) remedy2222879
6/1/2007Orion Environmental, IncNorthrop Grumman Space & Missions Systems CorpGroundwater extraction well installation rpt - former Benchmark site, City of Industry2231153
6/11/2007Joseph Kwan / Northrop Grumman CorpDon Indermill / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater extraction well installation rpt - former Benchmark site, City of Industry, CAO #89-0342231728
7/9/2007CA Regional Water Quality Control Board - Los Angeles Region-Sign-in sheet for 7/9/2007 meeting between Regional Board, Northrop Grumman, Orion Environmental & Watermark re former Benchmark site2231729
9/1/2007Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 6/2007 semiannual event, w/o compact disc2231148
9/17/2007Camp Dresser & McKee, IncDana Barton / Environmental Protection Agency - Region 9Ltr: Groundwater monitoring results for 6/2007 groundwater monitoring event, Puente Valley OU, w/attchs & TL 9/18/2007, w/o compact disc2222888
9/27/2007Amy Sullivan / Northrop Grumman CorpDixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt 6/2007 semiannual event2231727
10/31/2007Joseph Kwan / Northrop Grumman CorpDana Barton / Environmental Protection Agency - Region 9TL: Technical memo for installation of extraction wells, intermediate zone remedy, Puente Valley OU dated 10/30/20072225379
11/20/2007Camp Dresser & McKee, IncNorthrop Grumman Space & Missions Systems CorpFinal RD workplan for installation of extraction wells, intermediate zone remedy, Puente Valley OU, w/TL 11/21/2007 fr J Kwan to D Barton2222893
11/28/2007GeoTrans, Inc-Extraction well completion rpt, interim shallow zone remedy, Puente Valley OU, draft version - v 2, appendix B, laboratory analytical rpts & chain of custody records2225333
11/28/2007Scott Parsons / GeoTrans, IncDana Barton / Environmental Protection Agency - Region 9TL: Draft extraction well completion rpt, interim shallow zone remedy, Puente Valley OU2225400
11/28/2007GeoTrans, Inc-Extraction well completion rpt, interim shallow zone remedy, Puente Valley OU, draft version - v 12225398
11/28/2007GeoTrans, Inc-Extraction well completion rpt, interim shallow zone remedy, Puente Valley OU, draft version - v 3, appendix F, data validation rpts2225399
12/4/2007Scott Parsons / GeoTrans, IncDana Barton / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt, reporting period 10/2007 & 11/2007, shallow zone interim RD/RA, Puente Valley OU2225340
12/20/2007GeoTrans, Inc-Preliminary design & design basis rpt, interim shallow zone remedy, Puente Valley OU, draft version2225397
12/20/2007Scott Parsons / GeoTrans, IncDana Barton / Environmental Protection Agency - Region 9TL: Draft preliminary design & design basis rpt, interim shallow zone remedy, Puente Valley OU2225339
1/18/2008Scott Parsons / GeoTrans, IncDana Barton / Environmental Protection Agency - Region 9Ltr: Informs that GeoTrans revised draft groundwater modeling analysis rpt & renamed rpt draft aquifer testing & groundwater modeling analysis rpt, interim shallow zone remedy, Puente Valley OU2225346
2/1/2008Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 11/2007 semiannual event, w/o compact disc2231149
3/14/2008Camp Dresser & McKee, IncNorthrop Grumman Space & Missions Systems CorpCompliance/general monitoring plan, intermediate zone remedy, Puente Valley OU, w/appendix A, SAP, appendix B, compliance & monitoring well network plan & appendix C, groundwater modeling rpt2225378
3/24/2008Camp Dresser & McKee, IncDana Barton / Environmental Protection Agency - Region 9Ltr: Groundwater monitoring results for 1/2008 groundwater monitoring event, Puente Valley OU - compact disc only (appendix B, laboratory results)2215632
3/24/2008Joseph Kwan / Northrop Grumman CorpDana Barton / Environmental Protection Agency - Region 9TL: Groundwater monitoring results, 1/2008 groundwater monitoring event, intermediate zone remedy for Puente Valley OU dated 3/24/20082225391
3/24/2008Camp Dresser & McKee, IncDana Barton / Environmental Protection Agency - Region 9Ltr: Groundwater monitoring results for 1/2008 groundwater monitoring event, Puente Valley OU, w/attchs, w/o compact disc (appendix B, laboratory results)2225390
4/28/2008GeoTrans, Inc-Aquifer testing & numerical modeling analysis, interim shallow zone remedy, Puente Valley OU2225881
5/1/2008GeoTrans, Inc-Construction quality assurance plan (CQAP), Puente Valley OU2225342
5/8/2008GeoTrans, Inc-Remedial construction health & safety plan (CHASP), interim shallow zone remedy, Puente Valley OU, City of Industry & La Puente, w/TL to D Barton2225343
7/28/2008Orion Environmental, Inc
Camp Dresser & McKee, Inc
Northrop Grumman Space & Missions Systems CorpPre-final design rpt, Puente Valley OU intermediate zone remedy2225392
8/1/2008Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 5/2008 semiannual event, w/o compact disc2231150
8/12/2008Amy Sullivan / Northrop Grumman CorpDixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt 5/2008 semiannual event2231722
8/12/2008Scott Parsons / GeoTrans, IncArt Burgner / C N C EngineeringLtr: Informs that United Technologies Corp (UTC/Carrier) intends to install wells MW6-20A & MW6-20B, interim shallow zone remedy north of Puente Creek, Puente Valley OU, w/o attchs2225341
9/30/2008Camp Dresser & McKee, IncSan Gabriel Valley Water Co
Northrop Grumman Space & Missions Systems Corp
Dept of Public Health water supply permit policy 97-005 documentation, Puente Valley OU intermediate zone remedy, w/o compact discs2225384
10/20/2008Joseph Kwan / Northrop Grumman CorpRaymond Chavira / Environmental Protection Agency - Region 9TL: Groundwater monitoring results, 8/2008 groundwater monitoring event, intermediate zone remedy for Puente Valley OU dated 10/17/20082225373
10/21/2008Joseph Kwan / Northrop Grumman CorpRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Comments on draft regulatory evaluation for future treated groundwater discharge at Puente Valley OU by CH2M Hill dated 8/25/20081127238
2/1/2009GeoTrans, IncEnvironmental Protection Agency - Region 9Design basis rpt, preliminary design, interim shallow zone remedy, Puente Valley OU, w/oversize extraction well cross-sections2225352
2/1/2009GeoTrans, Inc-Construction quality assurance plan (CQAP), Puente Valley OU2225350
2/16/2009GeoTrans, Inc-Response to comments re construction quality assurance plan (CQAP), Puente Valley OU in draft technical memo 11/5/2008 fr CH2M Hill2225351
3/1/2009Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 11/2008 semiannual event, w/o compact disc2231151
3/23/2009Amy Sullivan / Northrop Grumman CorpDixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt 11/2008 semiannual event2231723
3/31/2009Amy Sullivan / Northrop Grumman CorpCA Regional Water Quality Control Board - Los Angeles RegionMemo: NPDES quarterly monitoring rpt, 1st quarterly 2009 - Benchmark facility, 200 Turnbull Canyon Rd, City of Industry, w/attch & marginalia2231724
4/16/2009David Chamberlin / Camp Dresser & McKee, Inc
Michele Zych / Camp Dresser & McKee, Inc
Raymond Chavira / Environmental Protection Agency - Region 9Ltr: Response to EPA comments dated 2/2/2009 on compliance/general monitoring plan (C/GMP) for intermediate zone remedy, Puente Valley OU1127239
4/21/2009Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of draft final design submittal, Puente Valley OU, w/o attchs2225357
5/1/2009GeoTrans, Inc-Draft westernmost plume area monitoring well completion rpt, interim shallow zone remedy, Puente Valley OU2225882
5/1/2009GeoTrans, Inc-Design basis rpt, preliminary design, interim shallow zone remedy, Puente Valley OU2225360
5/1/2009GeoTrans, Inc-Draft mid-valley area monitoring well completion rpt, interim shallow zone remedy, Puente Valley OU2225888
5/12/2009Joseph Kwan / Northrop Grumman CorpRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Comments on delineation of shallow & intermediate zones in Puente Valley OU, w/attchs1127240
5/13/2009Christian Volz / McKenna, Long & Aldridge (Attorneys)Raymond Chavira / Environmental Protection Agency - Region 9Ltr: Comments on delineation between shallow zone & intermediate zone in Puente Valley OU, w/o attch1127241
5/20/2009Camp Dresser & McKee, Inc
Orion Environmental, Inc
Northrop Grumman Space & Missions Systems CorpFinal design rpt, Puente Valley OU intermediate zone remedy2225393
5/21/2009Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of draft comprehensive shallow zone groundwater monitoring & sampling rpt, 1st quarter 2009, Puente Valley OU shallow zone, w/o attchs2225895
5/21/2009GeoTrans, Inc-Draft comprehensive shallow zone groundwater monitoring & sampling rpt, 1st quarter 2009, Puente Valley OU shallow zone, v 12225893
5/21/2009GeoTrans, Inc-Draft comprehensive shallow zone groundwater monitoring & sampling rpt, 1st quarter 2009, Puente Valley OU shallow zone, v 2 (appendix C, water sampling field forms)2225891
5/21/2009GeoTrans, Inc-Draft comprehensive shallow zone groundwater monitoring & sampling rpt, 1st quarter 2009, Puente Valley OU shallow zone, v 3 (appendix C, water sampling field forms, continued)2225892
5/25/2009GeoTrans, Inc-Response to comments re revised pre-final design submittal, interim shallow zone remedy, Puente Valley OU, ref additional comments 3/18/2009 fr CH2M Hill2225362
5/29/2009Raymond Chavira / Environmental Protection Agency - Region 9Rex Ball / Los Angeles CountyEmail: Requests that LA County expedite processing of temporary right of way permit or other vehicle & all reviews & approvals by 7/15/20092193768
5/29/2009Raymond Chavira / Environmental Protection Agency - Region 9Rex Ball / Los Angeles CountyEmail: Requests that LA County expedite processing of temporary right of way permit or other vehicle & all reviews & approvals by 7/15/2009, w/response 5/29/2009 fr N Englund to R Chavira & R Ball expressing support2193769
5/29/2009GeoTrans, Inc-Response to comments re construction quality assurance plan (CQAP), Puente Valley OU in draft technical memo 3/25/2009 fr CH2M Hill2225353
6/1/2009Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of draft westernmost plume area monitoring well completion rpt, interim shallow zone remedy, Puente Valley OU dated 5/2009, w/o attchs2225884
6/1/2009Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of draft mid-valley area monitoring well completion rpt, interim shallow zone remedy, Puente Valley OU dated 5/2009, w/o attchs2225890
6/1/2009GeoTrans, Inc-Construction quality assurance plan (CQAP), Puente Valley OU2225356
6/2/2009Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of 5/2009 design basis rpt, preliminary design, interim shallow zone remedy, Puente Valley OU, w/o attchs2225359
6/2/2009Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of construction quality assurance plan (CQAP) dated 6/2009, w/o attchs2225354
6/18/2009Grace Chang / Los Angeles County - Office of the County CounselRaymond Chavira / Environmental Protection Agency - Region 9
Lewis Maldonado / Environmental Protection Agency - Region 9
Email: Proposed agenda for 6/24/2009 meeting between EPA, LA County, Northrop Grumman & United Technologies Corp on permit review & approval, w/response fr R Chavira2193765
6/18/2009Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of 6/18/2009 revised response to comments table for design basis rpt, interim shallow zone remedy, Puente Valley OU, w/response to comments, w/o compact disc2225344
6/24/2009Environmental Protection Agency - Region 9Los Angeles CountyOverheads: Pipeline construction mtg1117793
7/21/2009Raymond Chavira / Environmental Protection Agency - Region 9Joseph Kwan / Northrop Grumman CorpLtr: Transmits comments by CH2M Hill on final design rpt, Puente Valley OU intermediate zone remedy dated 5/20/2009, w/o attch1117789
7/29/2009Christian Volz / McKenna, Long & Aldridge (Attorneys)Tracy Egoscue / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Comments on 6/17/2009 meeting between EPA & Regional Board & selenium treatment standards, ref Northrop Grumman Benchmark remedy, CAO 89-034, w/site chronology 6/2002-6/20092231721
8/13/2009Linda Niemeyer / WatermarkRaymond Chavira / Environmental Protection Agency - Region 9Email: Revised pipeline schedule for LA County segments, w/o attch, w/response 8/17/2009 fr R Chavira2193764
8/31/2009Raymond Chavira / Environmental Protection Agency - Region 9Grace Chang / Los Angeles County - Office of the County CounselEmail: Requests for meeting with LA County staff & counsel on pending right of way agreements & permits submitted by Puente Valley OU work parties, Northrop Grumman Corp & United Technologies Corp2193766
8/31/2009Gail Farber / Los Angeles County - Dept of Public Works
Mark Pestrella / Los Angeles County - Dept of Public Works
Joseph Kwan / Northrop Grumman CorpLtr: Revocation of permit PCFL200801957, Puente Valley OU intermediate zone remediation connection to project #1114, unit 2, w/permit1117787
9/1/2009Northrop Grumman Space & Missions Systems Corp-Groundwater monitoring rpt, 6/2009 semiannual event, w/o compact disc2231152
9/4/2009Raymond Chavira / Environmental Protection Agency - Region 9Grace Chang / Los Angeles County - Office of the County CounselEmail: Requests that LA County Dept of Public Works allow Northrop Grumman & subcontractors complete pipeline installation with expectation that storm drain connection will be done at later time, w/history2193767
9/15/2009Kathleen Salyer / Environmental Protection Agency - Region 9Mark Pestrella / Los Angeles County - Dept of Public WorksEmail: Request for LA County Dept of Public Work assistance & support to keep Puente Valley OU project moving ahead, ref LACDPW revocation to Northrop Grumman Corp for utility crossing permit2193763
9/15/2009Christian Volz / McKenna, Long & Aldridge (Attorneys)Lewis Maldonado / Environmental Protection Agency - Region 9Email: Overview of license agreement discussion with LA County2193762
9/16/2009Environmental Protection Agency - Region 9Los Angeles CountyOverheads: Coordination mtg 21117792
9/16/2009Los Angeles County - Dept of Public WorksEnvironmental Protection Agency - Region 9Mtg Agenda (Draft): EPA & Los Angeles County coordination mtg1117790
9/17/2009Los Angeles County - Dept of Public WorksNorthrop Grumman CorpFlood control district permit for water lines crossing district storm drains, permit #PCFL 2008019571117791
9/17/2009Joseph Kwan / Northrop Grumman CorpDixon Oriola / CA Regional Water Quality Control Board - Los Angeles RegionTL: Groundwater monitoring rpt 6/20092231160
9/17/2009Los Angeles County - Dept of Public WorksNorthrop Grumman CorpExcavation permit for pipeline construction, permit #PCEX 2008022311117794
9/24/2009Keith Takata / Environmental Protection Agency - Region 9Mark Pestrella / Los Angeles County - Dept of Public Works
Los Angeles County - Board of Supervisors
Ltr: Transmits administrative order directing compliance with request for access, in matter of LA County & LA County Flood Control District, CERCLA docket #09-2009-13, w/o attch1117799
9/24/2009Keith Takata / Environmental Protection Agency - Region 9Los Angeles County
Los Angeles County - Flood Control District
Administrative order directing compliance with request for access, in matter of LA County & LA County Flood Control District, CERCLA docket #09-2009-13, w/map of site1117798
9/30/2009Orion Environmental, IncNorthrop Grumman Space & Missions Systems CorpCompact Disc: Trojan UVPHOX submittal, final design amendment for 1,4-Dioxane treatment system, intermediate zone remediation system, Puente Valley OU, City of Industry2225395
9/30/2009Orion Environmental, IncNorthrop Grumman Space & Missions Systems CorpCompact Disc: Final design amendment for 1,4-Dioxane treatment system, intermediate zone remediation system, Puente Valley OU, City of Industry2225396
10/14/2009GeoTrans, Inc-Comprehensive shallow zone groundwater monitoring & sampling rpt, 2nd quarter 2009, Puente Valley OU, w/o compact disc2225364
10/14/2009Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of comprehensive shallow zone groundwater monitoring & sampling rpt, 2nd quarter 2009, Puente Valley OU, w/o attchs2225368
10/15/2009--Meeting Agenda: San Gabriel Valley Superfund sites water issues stakeholder meeting on 10/15/2009 at Courtyard Marriott, Baldwin Park (draft)1127244
11/2/2009Jeffrey Gwinn / Orion Environmental, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Informs that preparation & submittal of intermediate zone (IZ) remedy draft O&M manual has been postponed due to suspension of IZ construction activities, Puente Valley OU1127494
11/24/2009GeoTrans, Inc-Comprehensive shallow zone groundwater monitoring & sampling rpt, 3rd quarter 2009, Puente Valley OU shallow zone, w/o compact disc (appendices C & D) & oversized maps2225885
11/24/2009Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of comprehensive shallow zone groundwater monitoring & sampling rpt, 3rd quarter 2009, Puente Valley OU shallow zone, w/o attchs2225887
12/9/2009David Chamberlin / Camp Dresser & McKee, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt for 10/2009 & 11/2009, Puente Valley OU intermediate zone (IZ) remedy1127226
2/12/2010GeoTrans, Inc-Comprehensive shallow zone groundwater monitoring & sampling rpt, 4th quarter 2009, Puente Valley OU shallow zone, w/o compact disc (appendices C & D)2225901
2/12/2010Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits hardcopy & electronic copy of comprehensive shallow zone groundwater monitoring & sampling rpt, 4th quarter 2009, Puente Valley OU shallow zone, w/o attchs2225903
2/19/2010GeoTrans, Inc-Compact Disc: Bi-monthly progress rpts fr 2005 to 2/2010, shallow zone interim RD/RA, Puente Valley OU2225896
2/19/2010Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Transmits electronic (CD) copy of bi-monthly progress rpts fr 2005 to 2/2010, shallow zone interim RD/RA, Puente Valley OU, w/o attch2225897
3/4/2010Tracy Egoscue / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / Northrop Grumman CorpLtr: Proposed lead agency transfer to EPA, ref former TRW Inc/Benchmark Technology facility, 200 Turnbull Canyon Rd, City of Industry, CAO #89-0342231159
3/5/2010Environmental Protection Agency - Region 9-Compact Disc: Ltr fr R Chavira to J Kwan at Northrop Grumman re request in ltr 5/12/2009 to use shallow zone performance containment criterion for merged zone contamination, Puente Valley OU2225386
3/5/2010Raymond Chavira / Environmental Protection Agency - Region 9Joseph Kwan / Northrop Grumman CorpLtr: Response to request in ltr 5/12/2009 to use shallow zone performance containment criterion for merged zone contamination, Puente Valley OU, w/attchs2225385
4/6/2010David Chamberlin / Camp Dresser & McKee, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt for 2/2010 & 3/2010, Puente Valley OU intermediate zone (IZ) remedy1127227
5/19/2010Samuel Unger / CA Regional Water Quality Control Board - Los Angeles RegionJoseph Kwan / Northrop Grumman CorpLtr: Lead agency transfer to EPA, ref former TRW Inc/Benchmark Technology facility, 200 Turnbull Canyon Rd, City of Industry, CAO #89-0342231158
6/10/2010David Chamberlin / Camp Dresser & McKee, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt for 4/2010 & 5/2010, Puente Valley OU intermediate zone (IZ) remedy1127228
7/22/2010Bradley Barquest / United Technologies CorpRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Progress rpt #9, 1/1/2010-6/30/2010, supplemental environmental project (SEP), ref Woodland Duck Farm, consent decree #CV-05-6022 ABC (FMOx)1127249
9/1/2010Northrop Grumman Systems Corp-Groundwater monitoring rpt, 6/2010 semiannual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry1127231
9/13/2010GeoTrans, Inc-Shallow zone groundwater monitoring & sampling rpt, 2nd quarter 2010, Puente Valley OU shallow zone1127229
10/1/2010--Map: Well location map, mouth of valley, Puente Valley OU (updated 10/2010, color)1127245
10/8/2010David Chamberlin / Camp Dresser & McKee, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt for 8/2010 & 9/2010, Puente Valley OU intermediate zone (IZ) remedy1127230
10/8/2010Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt, reporting period 8/2010 & 9/2010, shallow zone interim RD/RA, Puente Valley OU, w/attchs1127232
11/1/2010C H 2 M Hill, Inc-Table re summary of compliance, sentinel & monitoring wells, Puente Valley OU intermediate zone remedy (with EPA responses dated 10/27/2010)1127247
11/1/2010Raymond Chavira / Environmental Protection Agency - Region 9Joseph Kwan / Northrop Grumman CorpLtr: Responds to ltr 4/13/2010 fr J Kwan & informs that EPA & Northrop are in agreement on assessment of compliance in merged zone, Puente Valley OU, w/o attchs1127242
11/1/2010C H 2 M Hill, Inc-Drawing: Cross section B-B', Puente Valley OU (draft, color)1127246
12/9/2010Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt, reporting period 10/2010 & 11/2010, shallow zone interim RD/RA, Puente Valley OU1127234
12/10/2010David Chamberlin / Camp Dresser & McKee, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt for 10/2010 & 11/2010, Puente Valley OU intermediate zone (IZ) remedy1127233
12/22/2010Raymond Chavira / Environmental Protection Agency - Region 9Joseph Kwan / Northrop Grumman CorpLtr: Follow-up fr Puente Valley OU meeting on 11/16/2010 re 1) locations & monitoring criteria for intermediate zone monitoring wells L7 & L8; 2) need for intermediate zone lateral compliance monitoring wells L5 and L6..., w/o attchs1127243
12/22/2010GeoTrans, Inc-Groundwater monitoring & sampling rpt, 3rd quarter 2010, Puente Valley OU1127235
1/26/2011Bradley Barquest / United Technologies CorpRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Progress rpt #10, 7/1/2010-12/31/2010, supplemental environmental project (SEP), ref Woodland Duck Farm, consent decree #CV-05-6022 ABC (FMOx)1127248
1/28/2011Joseph Kwan / Northrop Grumman CorpRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Response to DTSC comments on draft FS addendum for Puente Valley OU intermediate zone remedy dated 5/4/20101127495
2/9/2011Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt, reporting period 12/2010 & 1/2011, shallow zone interim RD/RA, Puente Valley OU, w/attchs1127496
2/10/2011David Chamberlin / Camp Dresser & McKee, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt for 12/2010 & 1/2011, Puente Valley OU intermediate zone (IZ) remedy1127491
2/28/2011Kerang Sun / C H 2 M Hill, Inc
John Dolegowski / C H 2 M Hill, Inc
Raymond Chavira / Environmental Protection Agency - Region 9Technical Memo: Review of Updated PVOU groundwater flow model (draft)1127500
2/28/2011Raymond Chavira / Environmental Protection Agency - Region 9Bradley Barquest / United Technologies CorpEmail: EPA review of GeoTrans model update, w/o attch (CH2M_Review-Updated_GeoTrans_Model_28Feb2011-LW3456_EPA.pdf)1127501
3/2/2011Environmental Protection Agency - Region 9-Final 1st 5-year review rpt, Puente Valley OU, w/apps A-G1127492
3/2/2011Environmental Protection Agency - Region 9-Final 1st 5-year review rpt, Puente Valley OU, w/apps A-G & erratum memo to EPA-9 fr CH2M Hill, 3/16/111127493
3/15/2011Bradley Barquest / United Technologies CorpRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Requests extension for completion date of supplemental environmental project1127508
4/7/2011Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt (2/2011 - 3/2011), shallow zone interim RD/RA, Puente Valley OU1127507
4/8/2011Raymond Chavira / Environmental Protection Agency - Region 9Bradley Barquest / United Technologies CorpLtr: Approval to extend supplemental environmental project completion date1127506
4/11/2011David Chamberlin / Camp Dresser & McKee, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt for 2/2011 & 3/2011, Puente Valley OU, intermediate zone (IZ) remedy1127505
4/15/2011Peter MacNicholl / CA Environmental Protection Agency - Dept of Toxic Substances ControlRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Comments on Benchmark Technologies facility semi-annual groundwater monitoring rpt, Puente Valley OU1127503
4/19/2011Tetra Tech, Inc
GeoTrans, Inc
Environmental Protection Agency - Region 9Groundwater monitoring & sampling rpt, 4th quarter 2010, Puente Valley OU1127504
5/10/2011Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Response to comments on Draft technical memo re review of updated PVOU groundwater model, w/attch1127502
6/10/2011Scott Parsons / GeoTrans, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt (4/2011 - 5/2011), shallow zone interim RD/RA, Puente Valley OU1127499
6/10/2011David Chamberlin / Camp Dresser & McKee, IncRaymond Chavira / Environmental Protection Agency - Region 9Ltr: Bi-monthly progress rpt for 4/2011 & 5/2011, Puente Valley OU, intermediate zone (IZ) remedy1127498

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