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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/ Supplement #3

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 two media: the Compact Disk (CD) and companion binders of large format documents. Documents now in the administrative record file include the Remedial Investigation/Feasibility Study (RI/FS) report, the Proposed Plan, the Interim Record of Decision (ROD), and the Explanation of Significant Differences (ESD). For ease of viewing, the RI/FS documents are listed on the CD as key documents. The administrative record file may be supplemented periodically.

This administrative record file also includes by reference the documents in the following:

1. San Gabriel Valley Area 3, Alhambra Operable Unit Administrative Record
2. San Gabriel Valley Area 2, Baldwin Park Operable Unit Administrative Record
3. San Gabriel Valley Area 1, El Monte Operable Unit Administrative Record File
4. San Gabriel Valley Area 1, Richwood Operable Unit, Initial Remedial Measures
Administrative Record
5. San Gabriel Valley Area 1, South El Monte Operable Unit Administrative Record File
6. San Gabriel Valley Areas 1, 2 & 4, Suburban Water Systems/Bartolo Well Field
Operable Unit Administrative Record
7. San Gabriel Valley Ted Levine Drum Company, Unilateral Administrative Order #94-09
Administrative Record
8. San Gabriel Valley Areas 1, 2 & 4, Whittier Narrows Operable Unit Administrative
Record

Please address questions on this administrative record to:

Dana Barton or: Lauren Berkman
Remedial Project Manager Community Involvement Coordinator
U.S. EPA (SFD-7-3) U.S. EPA (SFD-3)
75 Hawthorne Street 75 Hawthorne Street
San Francisco, CA 94105-3901 San Francisco, CA 94105-3901
(415) 972-3087 (415) 972-3292 or (800) 231-3075



List of Abbreviations and Acronyms Used in Administrative Record Index

ABBREVIATIONMEANING
appAppendix
ARAR Applicable or Relevant and Appropriate Restriction (or Requirement)
attch Attachment
CERCLA Comprehensive Environmental Response, Compensation, and Liability Act of 1980
CLPContract Laboratory Program
COCChain of Custody
doc Document
enclEnclosure
et alAnd Others
exh Exhibit
fr From
FS Feasibility Study
FSP Field Sampling Plan
GISGeographic Information System
info Information
ltr Letter
MCLMaximum Contaminant Level
memo Memorandum
MWMonitoring Well
notif Notification
NPDES National Pollutant Discharge Elimination System
OU Operable Unit
p Page
pp Pages
PRP Potential Responsible Party
pt Part
RA Remedial Action
RCRA Resource Conservation and Recovery Act
RDRemedial Design
re Regarding
ref Referencing
RI Remedial Investigation
ROC Record of Communication
rpt Report
SBSenate Bill
SDGSample Delivery Group
seqSequence
SOW Statement of Work
TL Transmittal Letter
TM Technical Memo
UAO Unilateral Administrative Order
vVolume
VOC Volatile Organic Compound
w/ With
w/o Without

Administrative Record Index

Doc_dateAuthorAddresseeTitle_subjectDocid
5/30/1997Camp Dresser & McKee, IncPuente Valley Steering CommitteeFinal RI rpt, appendice E, attch 2, v1, Puente Valley OU interim RI/FS30644
5/30/1997Camp Dresser & McKee, IncPuente Valley Steering CommitteeFinal RI rpt, appendice E, attch 2, v2, Puente Valley OU interim RI/FS30645
5/30/1997Camp Dresser & McKee, IncPuente Valley Steering CommitteeFinal RI rpt, appendices, Puente Valley OU interim RI/FS30643
5/30/1997Camp Dresser & McKee, IncPuente Valley Steering CommitteeFinal RI rpt, appendices, Puente Valley OU interim RI/FS - plates A & B (attchs only)30693
5/30/1997Camp Dresser & McKee, IncPuente Valley Steering CommitteeFinal RI rpt, Puente Valley OU interim RI/FS30642
5/30/1997Camp Dresser & McKee, IncPuente Valley Steering CommitteeFinal RI rpt, Puente Valley OU interim RI/FS - plates 1-4 (attchs only)30692
5/30/1997C H 2 M Hill, IncEnvironmental Protection Agency - Region 9FS, Puente Valley OU interim RI/FS30528

Doc_dateAuthorAddresseeTitle_subjectDocid
7/1/1961US Army Corps of Engineers-Design memo #2, general design for Thompson Creek & San Jose Wash Channel, San Jose Creek System15022
7/1/1961US Army Corps of Engineers-Design memo #2, general design for Thompson Creek & San Jose Wash Channel, San Jose Creek System - plates 2-8, aerial photography of 1959, aerial mosaic project location (attchs only)20586
10/9/1985San Gabriel Valley Water Co
CA Dept of Health Services
All Consumers of San Gabriel Valley Water CoPublic notice: VOCs found in water supply wells, w/10/9/85 town meeting announcement32650
2/26/1986Neil Ziemba / Environmental Protection Agency - Region 9Mary Jaureguy / La Puente Valley County Water DistrictLtr: Results of analyses of water samples taken fr La Puente Valley County Water District wells in La Puente, w/charts, w/o mail receipt #P000-399-09013369
2/26/1986Neil Ziemba / Environmental Protection Agency - Region 9J Ritchie / Maple Water Co, IncLtr: Results of analyses of water samples taken fr Maple Water Co wells in La Puente, w/charts, w/o mail receipt #P000-399-09213370
2/26/1986Neil Ziemba / Environmental Protection Agency - Region 9Timothy Jochem / Southwest Suburban Water ServicesLtr: Results of analyses of water samples taken fr Southwest Suburban Water Services well(s) in La Puente, w/charts, w/o mail receipt #P000-399-10713366
6/23/1986Steve Tamaya / San Gabriel Valley Tribune-Newsclip: Bill would reimburse homes for water scare, ref SB 228310196
11/28/1986Lee Garber / San Gabriel Valley Tribune-Newsclip: Identifying water pollution source project's goal10226
11/28/1986Lee Garber / San Gabriel Valley Tribune-Newsclip: Tainted wells in El Monte, La Puente targeted for inspection in new program10227
11/18/1987C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Field sampling plan for sampling surface waters, addendum #1, San Gabriel Basin RI/FS, w/plate 1, approximate locations of 2nd round surface water sampling sites5980
4/19/1988R Nicholson, Jr / San Gabriel Valley Water CoHank Yacoub / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Expression of concerns about 10 companies contaminating groundwater in Main San Gabriel Basin, including Hexcel/MCI, Macklanburg-Duncan, Ashland Chemical Co, Hysol, Oakite Products, Richardson Battery, etc5524
3/1/1989Lee Garber / San Gabriel Valley Tribune-Newsclip: Funds due (LA Regional Water Quality Control Board) for tracing tainted water sources10660
9/27/1989J Holmes / C H 2 M Hill, Inc-Data validation rpt: Case #LV918/4707Y memo #1, site ID #CAD 980817985, inorganic analysis, w/TL to N Ziemba fr D Bingham 12/14/89 (no cross reference key, per RPM G Kistner)2164
4/1/1990CA Regional Water Quality Control Board - Los Angeles RegionEnvironmental Protection Agency - Region 9Sampling plan (for EPA contract laboratory program, CLP) for multiple sites, San Gabriel basin Superfund area, ref cooperative agreement grant #V-009472-01-132496
5/7/1990Jerry Clifford / Environmental Protection Agency - Region 9James Norman / B D P CoLtr: General notice & 104(e) request for info - BDP Co, 855 Anaheim-Puente Rd, City of Industry, w/attch 1, list of recipients & attch 2, info request pursuant to CERCLA Section 104 & RCRA Section 30074113
11/30/1990C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Final draft, quality assurance/quality control guidance document, San Gabriel Basin32304
5/19/1991Laura Flores / Long Beach Press Telegram-Newsclip: Superfund site may yield water bonanza - San Gabriel Valley basin cleanup eyed26067
1/10/1992Barbara Gordon / I C F Technology, Inc-Data validation rpt: Case #LV1S17, memo #5, site ID #27, SAS anions analysis, sample #LV1S17-01 through LV1S17-18, w/TL fr V Taylor to W Praskins, 1/10/925625
1/14/1993C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Technical memo: Area 6 monitoring well installation & sampling, San Gabriel area 6 RI18771
2/18/1993Phillip Ramsey / Environmental Protection Agency - Region 9Will Lee / San Gabriel Valley Economic CouncilLtr: Notification of Puente Valley potential responsible party (PRP) meeting on 3/2/93 in S El Monte, w/o attch11650
4/8/1993C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Interim RI/FS statement of work (SOW), Puente Valley OU1186
5/26/1993Environmental Protection Agency - Region 9-Draft Puente Valley administrative consent order (AOC) for RI/FS, ref data collection & evaluation rpt 4/8/93, SOW 4/8/93 & 58 special notice ltrs 5/26/9314668
7/26/1993T R W, Inc
Robert Walter / Puente Valley Steering Committee
Mark Klaiman / Environmental Protection Agency - Region 9Ltr: Transmittal of Puente Valley Steering Committee members list as of 7/22/93 & request for 30-day extension to submit good faith offer to conduct RI/FS, w/attch13542
8/2/1993Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of comments by Puente Valley Technical Committee on interim RI/FS draft statement of work (SOW) dated 4/8/93, Puente Valley OU, w/attch610
8/10/1993T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of Puente Valley Technical Committee's proposed modifications to interim RI/FS draft statement of work (SOW) dated 4/8/93, w/attch611
8/20/1993Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Clarification on EPA's position on major RI requirements for Puente Valley OU that need immediate settlement13647
8/25/1993T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of additional comments on EPA's Puente Valley OU interim RI/FS draft statement of work (SOW) as indicated at meeting 8/24/93, w/attch402
9/1/1993T R W, Inc
Robert Walter / Puente Valley Steering Committee
Mark Klaiman / Environmental Protection Agency - Region 9Ltr: Transmittal of Puente Valley Steering Committee members list as of 9/1/93, w/attch9645
9/3/1993Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of Puente Valley PRP Technical Committee's proposed modifications to EPA's draft statement of work (SOW) 4/8/93, w/redlined SOW 9/3/93404
9/3/1993Jeff Zelikson / Environmental Protection Agency - Region 9Richard Parker / G O E Engineering Co, IncLtr: Transmittal of unilateral administrative order (UAO) #93-23 for partial RI in Puente Valley OU, w/o attch, w/mail receipt #P389-854-80032651
9/3/1993Jeff Zelikson / Environmental Protection Agency - Region 9Harry Gantz / Diversey CorpLtr: Transmittal of unilateral administrative order (UAO) #93-23 for partial RI to Dubois/Diversey & GOE Engineering, w/attch & mail receipt #P389-854-801394
9/3/1993Jeff Zelikson / Environmental Protection Agency - Region 9-Unilateral administrative order for partial RI, docket #93-23, w/TL 9/3/93 to H Gantz fr K Takata25660
9/10/1993Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Ltr: Comments on redlined SOW for Puente Valley interim RI/FS 9/3/9313646
9/10/1993Mark Klaiman / Environmental Protection Agency - Region 9John Krill, Jr / Kirkpatrick & Lockhart
Bill Naifeh / McKinney, Stringer & Webster (Attorneys)
Robert Walter / T R W, Inc
Ltr: Expression of shock that review of redlined SOW showed Puente Valley PRPs continued to seek to modify EPA's objectives of interim RI/FS9646
9/16/1993Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of revised redlined Puente Valley RI/FS SOW, w/attch19624
9/30/1993Environmental Protection Agency - Region 9-Puente Valley RI/FS administrative consent order, w/attch A, interim RI/FS SOW by CDM dated 9/30/93 & attch B, map of Puente Valley study area (RI/FS start)471
10/21/1993James Dragna / McCutchen, Doyle, Brown & Enersen (Attorneys)Mark Klaiman / Environmental Protection Agency - Region 9Ltr: Notification of intent of Diversey Corp to gain membership in Puente Valley Steering Committee, w/proposed modifications to installation of well cluster MW6-3 & ltr 10/21/93 to J Rosenbloom15288
10/22/1993Robert Walter / Puente Valley Steering Committee
T R W, Inc
Mark Klaiman / Environmental Protection Agency - Region 9Ltr: Notification that consulting firm Camp Dresser & McKee Inc has been retained to perform Puente Valley RI/FS13616
10/29/1993James Dragna / McCutchen, Doyle, Brown & Enersen (Attorneys)Mark Klaiman / Environmental Protection Agency - Region 9Ltr: Notification of intent of Diversey Corp to comply with UAO issued by EPA 9/3/93, w/proposed modifications to installation of well cluster MW6-3 & fax TL 10/29/93 fr K Caffee to M Klaiman15275
11/2/1993T R W, Inc
Robert Walter / Puente Valley Steering Committee
Jeff Zelikson / Environmental Protection Agency - Region 9Ltr: Expression of concerns re methodology & conclusions in draft risk assessment & request for meeting prior to EPA finalizing document13615
11/23/1993Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Initial review of Puente Valley Steering Committee's interim RI/FS planning documents13648
11/23/1993Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Response to ltr 11/2/93 fr R Walter to J Zelikson re Puente Valley Steering Committee's risk assessment critique, w/critique409
12/6/1993Camp Dresser & McKee, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Summary of major issues re preliminary baseline risk assessment (PBRA) & FS, Puente Valley OU, ref ltr 11/23/93 fr EPA to J Kwan, w/attchs14367
1/7/1994Joseph Kwan / T R W, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of 1st monthly status rpt, 11/93-12/93, Puente Valley OU RI/FS, w/rpt & attch A, interim shallow groundwater monitoring network225
1/7/1994Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncMemo: Transmittal of EPA's Puente Valley operable unit interim RI/FS planning document review ltr 1/7/94 fr P Ramsey to J Kwan, w/attch243
1/10/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of Puente Valley Steering Committee interim shallow groundwater monitoring network workplan, w/attch14326
1/14/1994T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Acknowledgment of receipt of EPA ltr 1/14/94 & response to concerns re delay on part of Puente Valley Steering Committee (PVSC) in addressing EPA comments to RI/FS planning docs14406
1/21/1994Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Notification that Puente Valley Steering Committee's interim shallow groundwater monitoring network workplan 1/10/94 has been rejected15303
1/31/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of Puente Valley interim RI/FS docs, including workplan, field sampling plan, etc, revised fr 10/29/93 draft version, w/o attchs14164
2/1/1994Camp Dresser & McKee, IncPuente Valley Steering CommitteeData management plan, Puente Valley OU interim RI/FS95
2/1/1994Camp Dresser & McKee, IncPuente Valley Steering CommitteeField sampling plan, Puente Valley OU interim RI/FS, w/attchs93
2/1/1994Camp Dresser & McKee, IncPuente Valley Steering CommitteeHealth & safety plan, Puente Valley OU interim RI/FS96
2/1/1994Camp Dresser & McKee, IncPuente Valley Steering CommitteeQuality assurance project plan, Puente Valley OU interim RI/FS94
2/1/1994Camp Dresser & McKee, IncPuente Valley Steering CommitteeResponse summary, Puente Valley OU interim RI/FS91
2/1/1994Camp Dresser & McKee, IncPuente Valley Steering CommitteeSummary rpt, San Jose Creek surface water/groundwater interaction97
2/1/1994Camp Dresser & McKee, IncPuente Valley Steering CommitteeWorkplan, Puente Valley OU interim RI/FS, w/attch 1, additional 53 wells, appendices A, project management plan & B, workplan/SOW cross reference92
2/14/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of Puente Valley Steering Committee revised interim shallow groundwater monitoring network workplan (initial date 1/10/94, revised date 2/14/94), w/attch14327
2/17/1994Jenifer Alai / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of replacement table 7-2 omitted fr Puente Valley OU interim RI/FS quality assurance project plan (QAPjP) submitted on 2/1/94, w/attch19334
2/24/1994Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 1/94, Puente Valley OU RI/FS, w/attch14329
2/25/1994Phillip Ramsey / Environmental Protection Agency - Region 9Susan Rabkin / Diversey CorpLtr: Acknowledgment of receipt of & comments on docs dated 11/24/93 submitted in response to UAO #93-23, including draft field sampling plan, etc, w/attch 1, w/o mail receipt #P765-057-27414334
3/1/1994C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Preliminary baseline risk assessment, Puente Valley OU15003
3/4/1994Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Comments on Puente Valley Steering Committee's revised interim shallow groundwater monitoring network workplan dated 2/14/9415348
3/9/1994T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to EPA ltr 3/4/94 re EPA review of revised interim shallow groundwater monitoring network (ISGMN) workplan 2/14/9453
3/11/1994Phillip Ramsey / Environmental Protection Agency - Region 9T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Ltr: Response to ltr 3/9/94 fr J Kwan & clarification of misperceptions re role of workplan in overall RI/FS, role of EPA review of workplan, etc14204
3/18/1994Camp Dresser & McKee, IncEnvironmental Protection Agency - Region 9Interim shallow groundwater sampling workplan for cluster well siting, Puente Valley Steering Committee, w/TL 3/18/94 to P Ramsey fr D Chamberlin14973
3/21/1994Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of docs submitted in response to EPA ltr 2/25/94, including final field sampling plan, final quality assurance project plan (QAPP) & final health & safety plan, ref well cluster 6-3, w/attchs & response summaries [UAO #93-23]14335
5/5/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of Puente Valley Steering Committee's interim shallow groundwater sampling for cluster well siting rpt 5/5/94, w/attch14974
5/17/1994Phillip Ramsey / Environmental Protection Agency - Region 9Susan Rabkin / Diversey CorpLtr: Acknowledgment of receipt of final field sampling plan 3/21/94, final quality assurance project plan (QAPP) & final health & safety plan submitted in response to UAO #93-23 & request for modification of FSP, w/attchs 1, comments & attch 2, checklist15290
5/18/1994T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Evaluation of San Jose Creek subdrain as contaminant migration pathway15349
5/19/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Responses to 4/17/94 EPA comments on Puente Valley Steering Committee's revised RI/FS planning documents (workplan & field sampling plan) - figure #1-2, well location map, #2-1, site existing well locations, #3-1, facility map, etc (attchs only)15360
5/19/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Responses to 4/17/94 EPA comments on Puente Valley Steering Committee's revised RI/FS planning documents (workplan & field sampling plan), w/redlined pages15359
5/19/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of & request for comments on draft interim shallow groundwater monitoring well network workplan (ISGMWNWP) 5/19/94 - figure #2-1, groundwater monitoring well network (24 inches x 36 inches) (attch only)20591
5/19/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of & request for comments on draft interim shallow groundwater monitoring well network workplan (ISGMWNWP) 5/19/94, w/attch14975
5/20/1994Mark Klaiman / Environmental Protection Agency - Region 9John Krill, Jr / Kirkpatrick & Lockhart
Robert Walter / T R W, Inc
Ltr: Acknowledgment of receipt of ltr 5/19/94 fr Puente Valley Steering Committee & notification that no consensus has been reached & PVSC's proposed San Jose Creek sampling is without merit15224
5/23/1994Jenifer Alai / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of figure 3-1A, background OVA sampling grid & figure 3-1B, BAT decision tree, ref red-lined change-out pp in response to EPA comments on revised Puente Valley OU interim RI/FS planning docs, w/attchs15358
5/26/1994Nathan Lau / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Expression of disappointment that Puente Valley Steering Committee initiated on 5/24/94 unapproved weep hole & surface water sampling at San Jose Creek15244
6/2/1994Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of revised field sampling plan (FSP) for partial RI of monitoring well cluster 6-3, UAO 93-23 - Diversey Corp, 15010 E Don Julian Rd, City of Industry, w/attch & EPA comments14964
6/9/1994Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Requirements to be incorporated into Puente Valley RI/FS planning docs re San Jose Creek subdrain evaluation, w/attch 1, San Jose Creek subdrain & boring locations & mail receipt #P389-855-00815357
6/20/1994T R W, Inc
Robert Walter / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Acknowledgment of receipt of ltr 6/9/94 fr EPA to J Kwan re San Jose Creek subdrain evaluation & request to invoke dispute resolution pursuant to administrative consent order (AOC), docket #93-26, w/potential meeting agenda & ltr 5/18/94 to P Ramsey15356
6/21/1994Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Review of Puente Valley OU interim RI/FS, interim shallow groundwater sampling for cluster well siting rpt 5/5/94, w/attch & mail receipt #P389-855-00915355
6/28/1994Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to EPA requirements in ltr 6/9/94 for Puente Valley Steering Committee to undertake coring & manhole inspection program to evaluate presence or absence of filter material beneath concrete channel of San Jose Creek15353
7/12/1994Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Scope of investigation & data analysis activities for assessment of San Jose Creek subdrain as potential contaminant migration pathway15352
7/15/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of revisions to interim shallow groundwater sampling for cluster well siting rpt 5/5/94, w/attchs15351
7/27/1994C H 2 M Hill, Inc-GIS maps for VOC, PCE & TCE concentrations last available sample (through 7/14/94), Puente Valley OU, w/TL 7/27/94 fr J Harris to P Ramsey15561
8/9/1994Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Review of Puente Valley OU revised RI/FS planning docs (workplan/FSP revision, monitoring well network workplan amendment), w/attch & mail receipt #P389-855-01015350
8/12/1994Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Proposal of alternative locations for monitoring well cluster MW6-3, w/figure 1, potential locations15291
8/18/1994Phillip Ramsey / Environmental Protection Agency - Region 9Susan Rabkin / Diversey CorpLtr: Approval of final field sampling plan 6/2/94 & other Puente Valley OU partial RI planning docs, ref UAO #93-2315292
8/25/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Request for approval to install 4-inch diameter well casing instead of 6-inch in FSP14673
8/29/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of responses to 8/9/94 EPA comments on Puente Valley Steering Committee's revised RI/FS planning docs (workplan & FSP, etc) - figures #3-1, Puente Valley facility map, #2-1A & #2-1B, groundwater monitoring well network map (attchs only)14635
8/29/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of responses to 8/9/94 EPA comments on Puente Valley Steering Committee's revised RI/FS planning docs (workplan & FSP, etc), w/attchs14634
9/7/1994Jenifer Alai / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of & request to replace revised change-out p 2-1 of workplan received by EPA 8/30/94, w/attch14636
9/8/1994Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of & request for review on draft revisions to sections 2.1.1, 2.1.2.2, 2.1.2.6 & 3.1.3.2 of final field sampling plan (FSP) for monitoring well cluster MW6-3, ref UAO #93-23 & comment ltr fr EPA dated 8/18/94, w/attchs14677
9/12/1994John Ferrero / City of Industry - Office of MayorFelicia Marcus / Environmental Protection Agency - Region 9Ltr: Request for meeting to discuss City of Industry's joint-planning approach towards groundwater cleanup in Puente Valley15895
9/12/1994Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Response to ltr 8/25/94 fr Camp, Dresser & McKee & notification of approval of request for option to construct monitoring wells with 6-inch or 4-inch diameter well casing & well screen14674
9/15/1994Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of & request for review on draft figure 2-1, shallow groundwater contaminant distribution & figure 2-2, proposed location of MW6-3, Puente Valley OU partial RI, monitoring well cluster MW6-3, w/attchs15294
9/21/1994Jenifer Alai / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Notification of selection of, on behalf of Puente Valley Steering Committee, subcontractors Terra Tech Laboratories & Beylik Drilling Inc for RI/FS activities15209
9/27/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 2/94-9/94, Puente Valley OU RI/FS, w/attch15210
9/30/1994Carl Burnett / City of Industry - Urban-Development AgencyKeith Takata / Environmental Protection Agency - Region 9Ltr: Transmittal of 8 items for 10/6/94 meeting re City of Industry's plans for treatment system for Puente Valley groundwater, w/attchs15042
10/10/1994John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt, EPA oversight of Puente Valley OU field activities at monitoring well MW 6-6 on 10/5/94 (faxed)16861
10/12/1994Camp Dresser & McKee, Inc-Puente Valley monitoring wells, proposed MW6-6 perforated intervals & sieve analysis plot, w/fax TL 10/12/94 fr S Wallin to P Ramsey16862
10/14/1994John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt, EPA oversight of Puente Valley OU field activities at monitoring well MW 6-6 on 10/11/9416866
10/27/1994Felicia Marcus / Environmental Protection Agency - Region 9John Ferrero / City of Industry - Office of MayorLtr: Expression of appreciation for ltr 9/12/94 fr Mayor J Ferrero re proposal to clean up contaminated groundwater in Puente Valley, ref meeting on 10/6/94 with K Takata, et al15822
10/27/1994Felicia Marcus / Environmental Protection Agency - Region 9Esteban Torres / US House of RepresentativesLtr: Expression of appreciation for ltr 9/14/94 fr E Torres re City of Industry's proposal to clean up contaminated groundwater in Puente Basin, ref meeting on 10/6/94, w/o attch15821
10/31/1994Phillip Ramsey / Environmental Protection Agency - Region 9Susan Rabkin / Diversey CorpLtr: Approval of revised field sampling plan (FSP) for Puente Valley OU MW6-3, ref UAO #93-2315204
10/31/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 10/94, Puente Valley OU RI/FS, w/attch15203
11/4/1994Sharon Wallin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Proposed changes in drilling & BAT sampling procedures at cluster well location MW6-5, Puente Valley OU15206
11/14/1994Environmental Strategies CorpDiversey CorpFinal field sampling plan (FSP) for Puente Valley OU partial RI, monitoring well cluster 6-3 - Diversey Corp, 15010 E Don Julian Rd, City of Industry15035
11/14/1994Environmental Strategies CorpDiversey CorpFinal quality assurance project plan (QAPP) for Puente Valley OU partial RI, monitoring well cluster MW6-3 - Diversey Corp, 15010 E Don Julian Rd, City of Industry, w/TL to P Ramsey fr R Freudenberger 11/16/9415034
11/15/1994John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #6, EPA oversight of Puente Valley OU field activities at monitoring well MW 651 & MW 662 on 11/11/9416867
11/30/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 11/94, Puente Valley OU RI/FS, w/attch15211
12/9/1994Lisa Mahan / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Proposed changes in initial groundwater sampling procedures at clusters MW6-6 & MW6-8, Puente Valley OU15202
12/14/1994Lisa Mahan / Camp Dresser & McKee, IncEric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request on behalf of Puente Valley Steering Committee (PVSC) for NPDES special permit for discharging well construction, development & purge water generated as result of ongoing Puente Valley OU interim RI, w/maps16109
12/15/1994T R W, Inc
Robert Walter / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of data fr surface water & weephole monitoring & sampling of San Jose Creek & shallow groundwater sampling & monitoring of select adjacent monitoring wells during 5/94-6/94, w/attchs14719
12/22/1994Sharon Wallin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Request for approval fr EPA's Quality Assurance Management Section (QAMS) on drilling fluid additive Drispac for Puente Valley OU RI/FS drilling program, w/product info & material safety data sheet17013
12/29/1994David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 12/94, Puente Valley OU RI/FS, w/attch17023
1/3/1995Sharon Wallin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Cluster well MW654, proposed BAT sampling & well completion depths, cluster well location MW64, proposed drilling schedule & procedures, Puente Valley OU RI/FS15183
1/5/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Transmittal of EPA comments on Puente Valley OU RI/FS groundwater monitoring well network workplan & San Jose Creek scope of work (SOW), w/attch, w/o mail receipt #P918-448-77115186
1/6/1995John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #12, EPA oversight of Puente Valley OU field activities at monitoring well MW 653 & at Suburban Water Systems production well SWS136-W1 on 12/28/9415897
1/10/1995Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Update on status of site access for installation of monitoring well cluster MW6-3 & notification that La Victoria Foods decided not to allow access to property, ref UAO #93-23 & intersection at 7th & Proctor Aves16886
1/17/1995--2 maps showing City of Industry right-of-way near intersection of 7th & Proctor Ave, location considered for installation MW6-3, w/fax TL 1/17/95 fr S Desai at Environmental Strategies Corp to P Ramsey & marginalia re proposed location is acceptable16888
1/26/1995John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #13, EPA oversight of Puente Valley OU field activities at monitoring well MW 641 on 1/24/9516769
1/31/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 1/95, Puente Valley OU RI/FS, w/attch18835
1/31/1995Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Update on status of site access for installation of monitoring well cluster MW6-3 & info re groundwater monitoring activities at Diversey property located at 15010 E Don Julian Rd, City of Industry, ref UAO #93-2316890
1/31/1995John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #14, EPA oversight of Puente Valley OU field activities at production well SWS 123 on 1/27/9516770
2/6/1995Phillip Ramsey / Environmental Protection Agency - Region 9Sharon Wallin / Camp Dresser & McKee, IncLtr: Conditional approval of use of Drispac cellulose fluid loss reducer (drilling fluid additive) in Puente Valley OU, w/memos dated 1/9/95 & 1/24/95 fr M Petersen to P Ramsey16892
2/7/1995Nathan Lau / Environmental Protection Agency - Region 9Robert Walter / T R W, IncLtr: Notification that EPA will not object if R Walter elects to respond favorably to City of Industry request that Puente Valley Steering Committee provide analytical data pursuant to administrative order on consent (AOC) 9/30/9316893
2/15/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of responses to 1/5/95 EPA comments on Puente Valley Steering Committtee's 8/29/94 revised sections of planning docs (workplan, field sampling plan, interim groundwater monitoring well network workplan & San Jose Creek SOW), w/attchs A-C16895
2/15/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of responses to 1/5/95 EPA comments on Puente Valley Steering Committtee's 8/29/94 revised sections of planning docs (workplan, FSP, IGMWNWP, etc) - figures 2-1A & 2-1B, ISGWMN workplan, groundwater monitoring well network (attchs only)16896
2/27/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Review of memo 2/17/95 fr CDM re cluster well MW6-7 installation requirement, Puente Valley OU16913
2/28/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 2/95, Puente Valley OU RI/FS, w/attch & memo 2/27/95 fr CDM to P Ramsey re revised RI/FS schedule16914
3/1/1995Environmental Protection Agency - Region 9-Fact sheet: In a major step toward cleanup, EPA identifies sources of groundwater contamination - EPA clears more than 1,500 companies (#16)19855
3/3/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Transmittal of EPA comments on Puente Valley OU RI/FS planning documents, w/attch & handwritten comment dated 3/8 expressing thanks fr Nate to Phil15188
3/3/1995Sharon Wallin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Proposed changes to initial groundwater sampling (MW65 cluster wells), w/fax TL dated 3/3/95 fr S Wallin to P Ramsey & J Lovenburg requesting review16915
3/6/1995Robert Walter / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to ltr 2/27/95 fr P Ramsey re cluster well MW6-7 installation requirement, Puente Valley OU16917
3/9/1995Sharon Wallin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to ltrs 2/6/95 & 3/3/95 fr P Ramsey re use of drilling fluid additive Drispac & transmittal of ltr 2/6/95 fr P Ramsey to S Wallin & quality assurance management section (QAMS) memos dated 1/9/95 & 1/24/95, w/attchs16920
3/10/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Comments on Puente Valley OU RI/FS summary FS dated 10/29/93, w/attchs16921
3/20/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of, on behalf of Puente Valley Steering Committee, draft SOW for installation of monitoring well at location approved by EPA for monitoring well cluster MW6-7, w/attch16931
3/24/1995John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #15, EPA oversight of Puente Valley OU field activities in San Jose Creek on 3/20/95, w/attch16774
3/27/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Comments on 3/20/95 proposal fr CDM on behalf of Puente Valley Steering Committee re installation of monitoring well cluster MW6-716933
3/27/1995T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to ltr 3/27/95 fr P Ramsey to J Kwan re installation of monitoring well cluster MW6-7 & notification that revised SOW will be submitted to P Ramsey within 24 hours, w/fax TL 3/28/9516934
3/28/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Response to ltr 3/27/95 fr Puente Valley Steering Committee to EPA re monitoring well cluster MW6-7 & ltr 3/28/95 transmitting revised SOW for installation of monitoring well MW6-7 prepared by CDM on behalf of Steering Committee16935
3/28/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of attch A, revised SOW for installation of monitoring well MW6-7, Puente Valley Technical Committee members list & Puente Valley Legal Committee members list, w/attchs16936
3/29/1995Sharon Wallin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of CLP-type data package, Puente Valley OU RI/FS, for samples referenced in 1/95 monthly status rpt, w/attchs22508
3/30/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of proposed aquifer testing program plan, Puente Valley OU RI/FS, w/attch16939
3/31/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 3/95, Puente Valley OU RI/FS, w/attch16940
4/5/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Approval of Puente Valley interim RI/FS schedule modification & request for submittal of approved planning documents, ref ltr 3/3/95 fr EPA to Puente Valley Steering Committee16944
4/11/1995Environmental Protection Agency - Region 9-Recipients of general notice of liability for San Gabriel Valley sites, areas 1-432652
4/13/1995Sharon Wallin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Review of analytical data for initial water quality sample collected fr well MW6-71, Puente Valley OU RI/FS, w/attchs16946
4/14/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Conditional approval of aquifer testing program proposal submitted on 3/30/95 by CDM on behalf of Puente Valley Steering Committee16947
4/19/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeField sampling plan (FSP), Puente Valley OU interim RI/FS19549
4/19/1995Camp Dresser & McKee, Inc-Field sampling plan (FSP), Puente Valley OU interim RI/FS - figure #1-2, existing well locations & figure #2-1, RI/FS cluster wells & production well locations (attchs only)19550
4/19/1995Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Update on status of site access for monitoring well cluster MW6-3 & schedule for installation of well cluster, ref UAO #93-23, w/certificates of insurance16951
4/19/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteePuente Valley OU interim RI/FS workplan19512
4/19/1995Camp Dresser & McKee, Inc-Puente Valley OU interim RI/FS workplan - figure #2-1, existing well locations, figure #3-1, facility & boundary map & figure #6-1, RI/FS cluster wells & production well locations (attchs only)19515
4/19/1995Camp Dresser & McKee, Inc-Puente Valley Steering Committtee interim groundwater monitoring well network workplan (IGMWNWP)19547
4/19/1995Camp Dresser & McKee, Inc-Puente Valley Steering Committtee interim groundwater monitoring well network workplan (IGMWNWP) - figures 2-1A & 2-1B, ISGWMN workplan, groundwater monitoring well network (24 inches x 36 inches) (attchs only)19548
4/19/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeSummary rpt, San Jose Creek surface water/groundwater interaction19510
4/20/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of final versions of Puente Valley OU RI/FS project planning docs, including workplan, field sampling plan (FSP), summary rpt re San Jose Creek groundwater/surface water interaction, etc, w/o attchs19803
4/21/1995Sharon Wallin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Evaluation of need for additional well at cluster well MW6-6, Puente Valley OU RI/FS16983
4/27/1995Richard Freudenberger / Environmental Strategies CorpLisa Mahan / Camp Dresser & McKee, IncLtr: Transmittal of groundwater level measurements for monitoring wells, water level indicator calibration data & well casing elevations - Diversey Corp, 15010 E Don Julian Rd, City of Industry, w/o attchs16878
4/27/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 4/95, Puente Valley OU RI/FS, w/attch18834
4/27/1995John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #1, EPA oversight of Puente Valley OU field activities at monitoring well cluster MW6-31 on 4/27/9516957
5/3/1995John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #2, EPA oversight of monitoring well cluster MW 6-3A installation for Puente Valley OU on 5/1/9519818
5/9/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Evaluation of Puente Valley OU docs prepared by CDM on behalf of Puente Valley Steering Committee, including evaluation of MW6-7-1 groundwater analytical results, 4/13/95 & evaluation of need for additional well at cluster well MW6-6, 4/21/9516959
5/16/1995Robert Walter / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to ltr 5/9/95 fr EPA to J Kwan re need to install 5th monitoring well at cluster MW6-6 & request for dispute resolution per section 11 of administrative consent order (AOC), docket #93-2616960
5/17/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to ltr 4/14/95 fr P Ramsey re aquifer testing program, Puente Valley OU interim RI/FS & submittal of proposal for disposal of groundwater generated during aquifer testing activities, w/plates 57, 64 & 68 fr Stetson Engineers re VOC & nitrate16961
5/22/1995Joseph Eidelberg / Environmental Protection Agency - Region 9-Data validation rpt: Case #R95S44, analysis low level nitrate & nitrite in groundwater, 15 water samples, SDG #SYF412-SYF426, Puente Valley OU, w/TL 5/22/95 fr J Eidelberg to P Ramsey16695
5/23/1995Joseph Eidelberg / Environmental Protection Agency - Region 9-Data validation rpt: Case/SAS #R95S44, analysis RAP low level volatiles, 15 water samples, SDG #SYF412-SYF426, Puente Valley OU, w/TL 5/30/95 fr J Eidelberg to P Ramsey32616
5/24/1995David Chamberlin / Camp Dresser & McKee, IncEric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Request for waiver of NPDES permit requirements, w/Post-it fax note to P Ramsey19106
5/31/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Notification that EPA & CA Dept of Toxic Substances Control are willing to elevate "threshold" VOC concentrations detected in Hydropunch samples to 10 X MCL, ref ltr 5/9/95 fr EPA & ltr 5/16/95 fr Puente Valley Steering Committee re cluster MW6-616963
5/31/1995Mark Klaiman / Environmental Protection Agency - Region 9Robert Walter / T R W, IncLtr: Transmittal of ltr 11/26/90 fr EPA to R Ghirelli re EPA previous spinner logging & wellhead sampling in San Gabriel Valley sites, example of type of info reviewed re ARAR compliance during RI/FS process, w/o attch (unsigned)16964
6/1/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 5/95, Puente Valley OU RI/FS, w/attch19913
6/6/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Transmittal of memo 5/9/95 fr R Bauer to P Ramsey re review of Puente Valley data packages submitted by CDM, w/attch16775
6/12/1995Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Confirmation of EPA approval of 475 to 485 foot screened interval for monitoring well MW6-33 & submittal of preliminary results fr hydropunch water samples19920
6/13/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of technical memos #1 (RI TM & FS TM), Puente Valley OU interim RI/FS, w/o attch19717
6/13/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeTechnical memo #1, Puente Valley OU interim RI/FS, FS rpt19661
6/13/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeTechnical memo #1, Puente Valley OU interim RI/FS, RI cluster well installation & sampling19660
6/13/1995Camp Dresser & McKee, Inc-Technical memo #1, Puente Valley OU interim RI/FS, RI cluster well installation & sampling, appendix B19658
6/13/1995Camp Dresser & McKee, Inc-Technical memo #1, Puente Valley OU interim RI/FS, RI cluster well installation & sampling, appendix B - 20 well logs (attchs only)19659
6/13/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeTechnical memo #1, Puente Valley OU interim RI/FS, RI cluster well installation & sampling, rpt & appendix A22005
6/14/1995Mike Sorensen / CA Environmental Protection Agency - Dept of Toxic Substances ControlPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: CA Dept of Toxic Substances Control concurs with EPA position re dispute with Puente Valley Steering Committee re use of hydropunch screening tool19820
6/14/1995David Chamberlin / Camp Dresser & McKee, IncMark Klaiman / Environmental Protection Agency - Region 9Ltr: Response to ltr 5/31/95 fr M Klaiman to R Walter & notification that compliance with NPDES permitting requirements under Clean Water Act, potential ARAR, is not practicable during pumping tests in Puente Valley OU19921
6/15/1995T R W, Inc
Robert Walter / Puente Valley Steering Committee
Keith Takata / Environmental Protection Agency - Region 9Ltr: Formal statement fr Puente Valley Steering Committee re dispute resolution, monitoring well MW6-619924
6/15/1995Phillip Ramsey / Environmental Protection Agency - Region 9Robert Walter / T R W, IncLtr: Transmittal of EPA well cluster MW6-6 formal dispute position statement, pursuant to Puente Valley OU administrative order on consent (AOC), docket #93-26, w/attchs19718
6/20/1995Mark Klaiman / Environmental Protection Agency - Region 9David Chamberlin / Camp Dresser & McKee, Inc
Robert Walter / T R W, Inc
Ltr: Response to ltr 6/14/95 fr D Chamberlin re discharge of pumping test water, Puente Valley OU & notification that more formal response to ltr will be forthcoming, w/fax TL & activity rpts19927
6/27/1995Phillip Ramsey / Environmental Protection Agency - Region 9David Chamberlin / Camp Dresser & McKee, Inc
Joseph Kwan / T R W, Inc
Ltr: Notification that EPA staff intends to recommend to EPA management to accept substantive compliance of discharge requirements & not enforce requirements in negotiated administrative consent order (AOC) re obtaining permit for discharge19931
6/30/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to ltr 6/27/95 fr P Ramsey re pumping test at MW6-5 & MW6-6, Puente Valley OU19340
6/30/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmits 6/95 monthly status rpt w/encl19341
6/30/1995Jeff Zelikson / Environmental Protection Agency - Region 9Robert Walter / T R W, IncLtr: Written decision pursuant to section 11 (dispute resolution) of administrative order on consent (AOC) re well cluster MW6-6, w/fax TL to R Walter fr M Klaiman 7/3/9519342
7/6/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Response to ltr 6/30/95 fr CDM to EPA re disposal of RI-generated waste during pumping test at MW6-5 & MW6-6, Puente Valley OU19933
7/7/1995Robert Walter / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Acknowledgment of receipt of ltr 6/30/95 fr J Zelikson to Puente Valley Steering Committee & notification of intent to install additional well at cluster well MW6-619719
7/20/1995T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Clarification of mutual understanding of & request for concurrence on procedures to be implemented re disposal of aquifer pumping test water for well MW6-63 drilled as part of Puente Valley RI/FS SOW19937
7/20/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Notification that EPA approves treatment & surface water sampling proposed for aquifer testing at well cluster MW6-6, Puente Valley OU, ref proposal 7/20/95 fr Puente Valley Steering Committee for disposal of aquifer testing water19936
8/1/1995Robert Walter / Puente Valley Steering Committee
T R W, Inc
Nathan Lau / Environmental Protection Agency - Region 9Ltr: Issues discussed at meeting 7/28/95 between EPA & Puente Valley Steering Committee re RI technical memo #1 & FS technical memo #1, w/proposed remedial action objectives (RAO)19939
8/7/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Review of RI technical memo #1 dated 6/13/95, FS technical memo #1 dated 6/13/95 & revised RAO (remedial action objective) transmitted on 8/1/95, w/attch A, EPA comments on RI & FS TM #1, Puente Valley OU interim RI/FS dated 8/3/9519941
8/16/1995Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Nathan Lau / Environmental Protection Agency - Region 9Ltr: Transmittal of Puente Valley Steering Committee's proposed schedule for remaining RI/FS activities, w/attch19723
8/18/1995John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #18, EPA oversight of Puente Valley OU field activities at monitoring wells MW665 & MW654 on 8/17/9532619
8/18/1995John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #19, EPA oversight of Puente Valley OU field activities at monitoring well MW662 on 8/23/9525149
8/24/1995John Lovenburg / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #3, EPA oversight of Puente Valley OU field activities at monitoring well cluster MW63 on 8/23/9522913
9/19/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeTechnical memo #2, Puente Valley OU interim RI/FS, RI aquifer testing program, water quality sampling & San Jose Creek study, appendix C, analytical rpts, COCs & data validation, w/ltr 9/12/95 to S Wallin fr D Burley (attch only)21308
9/19/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeTechnical memo #2, Puente Valley OU interim RI/FS, RI aquifer testing program, water quality sampling & San Jose Creek study, rpt & appendices A & B - plate 1, cluster well TCE & PCE concentrations & plates 2 & 3 (attchs only)21307
9/19/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeTechnical memo #2, Puente Valley OU interim RI/FS, RI aquifer testing program, water quality sampling & San Jose Creek study, rpt & appendices A & B, w/ltr 9/18/95 fr CDM to P Ramsey21306
9/20/1995Sharon Wallin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9TL: Table 3-12 & appendix C to technical memo #2, Puente Valley OU interim RI/FS, RI aquifer testing program, water quality sampling & San Jose Creek study, w/table, w/o appendix C21305
9/26/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Request that remedial action objectives (RAOs) be resolved in timely manner so that acceptable RI/FS can be submitted by Puente Valley Steering Committee before deadline20018
9/28/1995Joseph Eidelberg / Environmental Protection Agency - Region 9-Data validation rpt: Case/SAS #R95S65, analysis nitrate & nitrite as nitrogen by ion chromatography, 15 groundwater samples, SDG #SYG859-SYG873, Puente Valley OU, w/TL 9/29/95 fr J Eidelberg to P Ramsey32618
9/28/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt for 9/95, Puente Valley OU RI/FS, w/attch21106
10/2/1995Phillip Ramsey / Environmental Protection Agency - Region 9Richard Freudenberger / Environmental Strategies CorpLtr: Approval of pumping test proposal dated 9/26/95 at Puente Valley OU MW6-3, Diversey Corp/DuBois Chemical, UAO #93-2321107
10/5/1995Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to EPA comments in approval ltr 10/2/95 re pumping test at well cluster MW6-3, Diversey Corp/DuBois Chemical Co, UAO #93-23, w/attch A, air flow calculations & attch B, air stripper specifications21108
10/13/1995Phillip Ramsey / Environmental Protection Agency - Region 9Richard Freudenberger / Environmental Strategies CorpLtr: Acknowledgment of receipt of ltr 10/5/95 re pumping test at Puente Valley well cluster MW6-3 & notification of approval of proposed air-stripper treatment system & water quality sampling frequency, ref UAO #93-2321118
10/13/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of draft agenda for Puente Valley RI/FS technical meeting on 10/19/95 & tables 1 & 2 on potential alternatives, w/attchs21112
10/19/1995Environmental Strategies CorpDiversey CorpMonitoring well installation & 1st monthly groundwater monitoring rpt, Puente Valley OU partial RI, monitoring well cluster 6-3, UAO #93-23, w/TL 10/19/95 to P Ramsey fr R Freudenberger21838
10/30/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeTechnical memo #2, Puente Valley OU interim RI/FS, FS rpt, w/TL 10/30/95 to P Ramsey fr D Chamberlin22000
10/31/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmits 10/95 monthly status rpt, Puente Valley OU RI/FS, w/attch22436
11/8/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Comments on Puente Valley OU, RI technical memo #2 dated 9/19/95, w/encls21729
11/9/1995T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Revised RI/FS schedule for Puente Valley OU, w/attch & marginalia re modelling problems21725
11/9/1995Robert Collar / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Trip rpt #4, EPA oversight of Puente Valley OU field activities at monitoring well cluster MW6-3 on 11/8/9522914
11/15/1995Environmental Strategies CorpDiversey Corp2nd monthly groundwater monitoring rpt, Puente Valley OU partial RI, monitoring well cluster 6-3, UAO #93-23, w/TL 11/15/95 to P Ramsey fr R Freudenberger21837
11/15/1995Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Preliminary pumping test results conducted at well cluster MW 6-3, UAO #93-23, w/graph of test data & type curve for MW6-3621707
11/15/1995Eric Nupen / CA Regional Water Quality Control Board - Los Angeles RegionDiversey Corp
Richard Freudenberger / Environmental Strategies Corp
Memo: Approval of proposed discharge of groundwater fr pump tests for RI/FS wells in MW6-3 cluster in Puente Valley32019
11/17/1995Phillip Ramsey / Environmental Protection Agency - Region 9Sharon Wallin / Camp Dresser & McKee, IncLtr: Transmittal of ltr dated 11/15/95 fr Environmental Strategies Corp transmitting preliminary pumping test results for well cluster MW6-3, w/o attch21726
11/21/1995Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Results of additional pumping test analysis, UAO #93-23, w/attch21706
11/22/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Response to 11/9/95 request fr Puente Valley Steering Committee re interim RI/FS schedule modification21727
11/24/1995Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Comments on Puente Valley OU FS technical memo #2 dated 10/30/95, w/attch A, specific comments21728
11/28/1995Phillip Ramsey / Environmental Protection Agency - Region 9Richard Freudenberger / Environmental Strategies CorpLtr: Response to request to change analytical methods for measuring 2 anions at Puente Valley OU well cluster MW6-3 - Diversey Corp/DuBois Chemical, UAO #93-23, w/ltr to P Ramsey fr P Abe 11/22/9521709
11/30/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt for 11/95, Puente Valley OU RI/FS, w/attch23415
12/4/1995Karen Henry / Environmental Protection Agency - Region 9-Data validation rpt: Case/SAS #R95S65, analysis RAS volatiles, 15 water samples, SDG #SYG859-SYG873, Puente Valley OU, w/TL 12/4/95 fr K Henry to P Ramsey32617
12/6/1995T R W, Inc
Robert Walter / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Proposed revised submittal date for Puente Valley OU draft FS rpt23417
12/12/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeDraft RI rpt, Puente Valley OU interim RI/FS - plate 1, cluster well TCE & PCE concentrations, 7-day, 1st, 2nd & 3rd quarterly sampling, plate 2, network well & San Jose Creek surface water & weephole sampling results 3/95 & plates 3 & 4 (attchs only)25436
12/12/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeDraft RI rpt, Puente Valley OU interim RI/FS, appendices (attchs only)25437
12/12/1995Camp Dresser & McKee, IncPuente Valley Steering CommitteeDraft RI rpt, Puente Valley OU interim RI/FS, w/TL to P Ramsey25435
12/12/1995Phillip Ramsey / Environmental Protection Agency - Region 9Robert Walter / T R W, IncLtr: Notification that Puente Valley Steering Committee's request in ltr 12/6/95 for additional extension for submittal of draft FS is denied23420
12/12/1995Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of 3rd monthly groundwater monitoring rpt, Puente Valley OU partial RI, monitoring well cluster 6-3, UAO #93-23, w/attch22817
12/12/1995Carl Burnett / City of Industry - Urban-Development AgencyKeith Takata / Environmental Protection Agency - Region 9Ltr: Transmittal of City of Industry's comments on technical memo #1, FS, Puente Valley OU - exh A, map of San Gabriel River watershed tributary to Whittier Narrows, Upper San Gabriel Valley Municipal Water District vs City of Alhambra, 5/72 (attch only)23407
12/12/1995Carl Burnett / City of Industry - Urban-Development AgencyKeith Takata / Environmental Protection Agency - Region 9Ltr: Transmittal of City of Industry's comments on technical memo #1, FS, Puente Valley OU, w/attchs23388
12/28/1995David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt for 12/95, Puente Valley OU RI/FS, w/attch24901
1/2/1996Greg Woodside / C H 2 M Hill, IncPhillip Ramsey / Environmental Protection Agency - Region 9Memo: Summary of meeting on 1/2/96 with D Chamberlin & B Harley of CDM re current status of CDM's modeling of Puente Valley OU22017
1/25/1996Dawn Conley / Environmental Protection Agency - Region 9Phillip Ramsey / Environmental Protection Agency - Region 9Memo: Transmittal of partially reviewed data, Puente Valley site, case #R96S02, memo #2, SDG #SYI200, analysis OLM02.0, CLP SOW VOC, w/attchs32615
1/26/1996David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of proposed agenda for meeting on 1/30/96 between Puente Valley Steering Committee & EPA, w/attch24899
1/29/1996David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt for 1/96, Puente Valley OU RI/FS, w/attch24902
1/31/1996Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Notification that Quanterra Environmental Services determined no significant differences between 12/89 & 8/93 revision of method 300.0 & no modifications to sampling & analysis plan (SAP) are necessary, w/encl25444
2/1/1996T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Confirmation of agreements reached between Puente Valley Steering Committee & EPA during meeting on 1/30/96 re submittal dates for draft FS rpt, revised RI rpt pages/sections & final RI & FS rpts24900
2/1/1996Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Transmittal of attch A, EPA comments on aquifer test component of draft RI rpt dated 12/12/95, ref meeting 1/30/96 between Puente Valley Steering Committee & EPA, w/attch24904
2/13/1996Joseph Eidelberg / Environmental Protection Agency - Region 9-Data validation rpt: Case #R96S22, analysis nitrite-N & nitrate-N by EPA method 300.0, 15 water samples, SDG #SYI690-SYI704, Puente Valley OU, w/TL 2/15/96 fr J Eidelberg to P Ramsey32614
2/15/1996Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Review of Puente Valley OU draft RI rpt dated 12/12/95 incorporating replacement pp transmitted to EPA on 12/19/95, ref docket #93-26, w/attch23660
2/29/1996David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmits 2/96 monthly status rpt, Puente Valley OU RI/FS, w/attch24946
3/5/1996Nathan Lau / Environmental Protection Agency - Region 9Robert Walter / T R W, IncLtr: Expression of regret that R Walter was unable to attend informal dispute resolution meeting on 1/30/96 between Puente Valley Steering Committee & EPA & request for remittance of $28,750 for future oversight monies24898
3/8/1996Robert Fitzgerald / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Aquifer test analyses, Puente Valley OU RI/FS, submitted in response to general comment #6 of EPA's 2/15/96 ltr, w/attch25354
3/13/1996Dawn Conley / Environmental Protection Agency - Region 9-Data validation rpt: Case #R96S22, analysis RAP volatiles, 15 water samples, SDG #SYI690-SYI704, Puente Valley OU, w/TL 3/13/96 fr D Conley to D Frazer24808
3/14/1996Environmental Strategies CorpDiversey Corp1st quarterly groundwater monitoring & aquifer testing rpt, Puente Valley OU partial RI, monitoring well cluster 6-3, w/TL 3/14/96 to P Ramsey25445
3/19/1996Camp Dresser & McKee, IncPuente Valley Steering CommitteeTechnical memo #3, Puente Valley OU interim RI/FS, RI rpt & appendix A, w/TL 3/19/96 fr CDM to P Ramsey24186
3/20/1996Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Review of Puente Valley Steering Committee's 3/8/96 aquifer test analysis submitted by CDM, w/attch A, general comments25353
3/28/1996Camp Dresser & McKee, IncEnvironmental Protection Agency - Region 9Draft FS, Puente Valley OU interim RI/FS, appendices D-I (attchs only)24218
3/28/1996Camp Dresser & McKee, IncEnvironmental Protection Agency - Region 9Draft FS, Puente Valley OU interim RI/FS, rpt & appendices A-C, w/TL 3/28/96 to P Ramsey24217
3/29/1996David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmits 3/96 monthly status rpt, Puente Valley OU RI/FS, w/attch24937
3/29/1996Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Transmittal of attch A, EPA general & specific comments on RI technical memo #3 (RITM-3), Puente Valley OU interim RI/FS, dated 3/19/96, w/attch24906
4/8/1996Mark Klaiman / Environmental Protection Agency - Region 9Robert Walter / T R W, IncLtr: Confirmation of EPA's understanding of agreements reached on 4/4/96 re additional info to be submitted by Puente Valley Steering Committee by 4/18/9 to enable EPA to review draft FS submitted on 3/28/96, w/fax activity rpt 4/8/9625247
4/10/1996Nathan Lau / Environmental Protection Agency - Region 9T R W, Inc
Robert Walter / Puente Valley Steering Committee
Ltr: Initial review of draft Puente Valley FS dated 3/28/96 & notification of potentially fatal defect of excluding EPA's groundwater migration remedial action objectives (RAOs) fr screening of alternatives25356
4/17/1996Phillip Ramsey / Environmental Protection Agency - Region 9Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Ltr: Request that J Kwan notify all members of Puente Valley Steering Committee of scheduled meeting on 4/24/96 at San Gabriel Valley Marriott to discuss defect with draft FS25355
4/22/1996Latham & Watkins (Attorneys)
Gene Lucero / Puente Valley Legal Committee
Mark Klaiman / Environmental Protection Agency - Region 9Ltr: Response to ltr 4/15/96 fr M Klaiman re failure of Puente Valley Steering Committee to fully include EPA's remedial action objectives (RAOs) & no action alternative in draft FS, w/fax TL 4/22/96 fr Latham & Watkins25245
4/22/1996Nathan Lau / Environmental Protection Agency - Region 9T R W, Inc
Robert Walter / Puente Valley Steering Committee
Ltr: Response to Puente Valley Steering Committee's request that comments & feedback be provided on draft FS dated 3/28/96 re remediation goals & no action alternative25404
4/30/1996David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 4/96, Puente Valley OU RI/FS, w/attchs, including ltrs 4/10/96 & 4/22/96 fr N Lau to R Walter, ltr 4/22/96 fr G Lucero to M Klaiman & ltr 4/29/96 fr R Walter to N Lau25396
5/2/1996Phillip Ramsey / Environmental Protection Agency - Region 9T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Ltr: Request for submittal of FS model calibration documentation, Puente Valley OU interim RI/FS25395
5/8/1996Nathan Lau / Environmental Protection Agency - Region 9T R W, Inc
Robert Walter / Puente Valley Steering Committee
Ltr: Follow-up to 5/1/96 conference call re draft Puente Valley OUFS, w/o attch25352
5/13/1996Phillip Ramsey / Environmental Protection Agency - Region 9T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Ltr: Additional comments on Puente Valley draft FS rpt, w/attch25442
5/13/1996Robert Walter / Puente Valley Steering Committee
T R W, Inc
Nathan Lau / Environmental Protection Agency - Region 9Ltr: Response to ltr 5/8/96 fr N Lau to Puente Valley Steering Committee & notification of commitment to implement EPA's remediation goals & no-action alternative into revised OUFS25241
5/17/1996Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Request to defer EPA's proposed meeting on clarification of review comments dated 5/13/96 on draft FS submitted by Puente Valley Steering Committee on 3/28/96 to after completion of EPA's additional review25441
5/28/1996Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Ltr: Confirmation of understanding of issues re model calibration assessment comments & final FS revised due date, Puente Valley OU32605
5/30/1996David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 5/96, Puente Valley OU RI/FS, w/attch25394
6/7/1996Phillip Ramsey / Environmental Protection Agency - Region 9Mark Hanket / Diversey CorpLtr: EPA review of quarterly groundwater monitoring & aquifer test rpt for Puente Valley OU partial RI monitoring well cluster 6-3 dated 3/14/96 & notif that terms of UAO #93-23 will be completed upon submittal of additional aquifer test info, w/attch25461
6/7/1996Phillip Ramsey / Environmental Protection Agency - Region 9T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Ltr: Response to recent discussions between Puente Valley Steering Committee & EPA re projected completion date for EPA assessment of FS transport model & 2 specific comments in EPA 5/13/96 draft FS review ltr25460
6/24/1996Richard Freudenberger / Environmental Strategies CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Response to ltr 6/7/96 fr P Ramsey to M Hanket re aquifer testing at well cluster MW6-3, ref UAO #93-23, w/attchs25569
6/28/1996Phillip Ramsey / Environmental Protection Agency - Region 9T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Ltr: Comments on Puente Valley OUFS groundwater modeling work, supplementing EPA's 5/13/96 comments on draft FS 3/28/9625620
7/1/1996Camp Dresser & McKee, IncPuente Valley Steering Committee[Draft] final FS, Puente Valley OU interim RI/FS - appendices D-J (attchs only)32309
7/1/1996Camp Dresser & McKee, IncPuente Valley Steering Committee[Draft] final FS, Puente Valley OU interim RI/FS - rpt & appendices A-C32308
7/1/1996Camp Dresser & McKee, IncPuente Valley Steering CommitteeComment/response summary, final FS, Puente Valley OU interim RI/FS26905
7/1/1996David Chamberlin / Camp Dresser & McKee, IncPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Transmittal of monthly status rpt 6/96, Puente Valley OU RI/FS, w/attch25699
7/1/1996Camp Dresser & McKee, IncPuente Valley Steering CommitteeRedline/strikeout of final FS text, Puente Valley OU interim RI/FS26906
7/12/1996Artemis Antipas / C H 2 M Hill, Inc
John Lovenburg / C H 2 M Hill, Inc
Phillip Ramsey / Environmental Protection Agency - Region 9Technical memo: Review of laboratory analytical data for 2nd monthly groundwater monitoring rpt for monitoring well cluster 6-325739
8/2/1996Terry Nickerson / Rathon CorpPhillip Ramsey / Environmental Protection Agency - Region 9Ltr: Notification that Diversey Corp has been sold to Unilever & request that responsibility for Puente Valley involvement be transferred to successor co of Diversey, Rathon Corp27238
9/16/1996Dawn Richmond / Environmental Protection Agency - Region 9Doug Frazer / Environmental Protection Agency - Region 9Memo: Transmittal of partially reviewed data, Puente Valley site, case #R96S53, SDG #SYK160, analysis OLM02.0, CLP SOW VOC, w/attchs26911
11/1/1996David Chamberlin / Camp Dresser & McKee, IncJanet Whitlock / Environmental Protection Agency - Region 9Ltr: Transmittal of sign-in sheet & overheads fr 10/24/96 meeting, Puente Valley OU, w/attchs32603
11/7/1996Phillip Ramsey / Environmental Protection Agency - Region 9Terry Nickerson / Rathon CorpLtr: Notification that Diversey Corp/Dubois Chemical has completed all terms of UAO #93-23 dated 9/9/93 & EPA will prepare UAO oversight cost documentation package for Diversey & send billing notice to Rathon Corp, new owner of Diversey Corp27239
12/9/1996Thomas O'Laughlin / A S L Consulting EngineersNathan Lau / Environmental Protection Agency - Region 9Ltr: Inquiry re EPA conditions for drilling & equipping Rowland Water District well #132590
12/11/1996Environmental Protection Agency - Region 9Puente Valley Steering CommitteeOverheads fr presentation on 12/11/96 to Puente Valley Steering Committee (PVSC) on overview of FS32653
1/9/1997Janet Whitlock / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncLtr: Transmittal of EPA comments on change-out pp for draft RI rpt dated 4/9/96, Puente Valley OU, w/attch32606
1/10/1997Janet Whitlock / Environmental Protection Agency - Region 9Thomas O'Laughlin / A S L Consulting EngineersLtr: Response to ltr 12/9/96 fr T O'Laughlin & request that EPA be included in review process for plans & specifications for Rowland Water District well #132591
1/30/1997Environmental Protection Agency - Region 9-Agenda, sign-in sheet & draft overheads fr 1/30/97 Puente Valley OUFS meeting32624
2/1/1997A S L Consulting Engineers-Construction plans & contract specifications for Rowland Water District well #1, w/TL 2/25/97 to E Chow32592
2/26/1997Joseph Kwan / T R W, IncEugenia Chow / Environmental Protection Agency - Region 9Ltr: Clarification on Puente Valley Steering Committee's view of sub-regional alternative to final FS for Puente Valley OU28479
3/7/1997Eugenia Chow / Environmental Protection Agency - Region 9Joseph Kwan / Puente Valley Steering Committee
T R W, Inc
Ltr: Response to ltr 2/26/97 fr J Kwan re sub-regional alternative, Puente Valley OU32607
3/13/1997Eugenia Chow / Environmental Protection Agency - Region 9Thomas O'Laughlin / A S L Consulting EngineersLtr: Comments on construction plans & contract specifications for Rowland Water District well #1 dated 2/9732593
3/19/1997Thomas O'Laughlin / A S L Consulting EngineersEugenia Chow / Environmental Protection Agency - Region 9Ltr: Response to EPA comments in ltr 3/13/97 on contract specifications for Rowland Water District well #1 dated 2/97 & transmittal of rpt 1/10/97 by Richard C Slade & Associates, w/attch32594
3/25/1997Environmental Protection Agency - Region 9-Agenda, sign-in sheet & overheads fr 3/25/97 Puente Valley OUFS meeting32623
4/3/1997T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Eugenia Chow / Environmental Protection Agency - Region 9Ltr: Confirmation of understanding of additional sampling of cluster wells installed during RI/FS phase & proposed plan & record of decision (ROD) format for Puente Valley OU32608
4/8/1997Brett Moffatt / Environmental Protection Agency - Region 9T R W, Inc
Robert Walter / Puente Valley Steering Committee
Ltr: Confirmation of EPA's intention to invite Rathon Inc to attend 4/21/97 Puente Valley OU RI/FS meeting32610
4/9/1997Eugenia Chow / Environmental Protection Agency - Region 9Joseph Kwan / T R W, IncROC: Clarification of items discussed in 4/3/97 ltr fr J Kwan re proposed plan & record of decision (ROD), Puente Valley OU32609
4/21/1997Puente Valley Steering Committee
Environmental Protection Agency - Region 9
-Agenda, sign-in sheet & overheads fr 4/21/97 Puente Valley OUFS meeting32604
4/23/1997Eugenia Chow / Environmental Protection Agency - Region 9T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Ltr: Comments on 3/11/97 draft RI rpt for Puente Valley OU32611
4/29/1997T R W, Inc
Robert Walter / Puente Valley Steering Committee
Brett Moffatt / Environmental Protection Agency - Region 9Ltr: Puente Valley Steering Committee's identification of factors unique to Puente Valley OU that would influence ARARs analysis30122
5/9/1997Eugenia Chow / Environmental Protection Agency - Region 9T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Ltr: Transmittal of & request for comments on technical memo summarizing nature & extent of VOCs in groundwater in Puente Valley OU, w/attch & marginalia32601
5/20/1997Eugenia Chow / Environmental Protection Agency - Region 9Anthony Poli / Rowland Water DistrictLtr: Response to T Poli's concern with EPA request for analysis of potential effects of proposed well on existing contamination & request to use CH2M Hill as consultant for Rowland Water District well #1 project, w/o attch32595
5/21/1997Eugenia Chow / Environmental Protection Agency - Region 9T R W, Inc
Joseph Kwan / Puente Valley Steering Committee
Ltr: Comments on draft RI rpt change-out pages dated 5/9/97, Puente Valley OU32599
5/29/1997Anthony Poli / Rowland Water DistrictEugenia Chow / Environmental Protection Agency - Region 9Ltr: Response to E Chow's ltr 5/20/97 & notification that Rowland Water District well #1 project has been placed on hold, w/env32596
5/30/1997David Chamberlin / Camp Dresser & McKee, IncEugenia Chow / Environmental Protection Agency - Region 9TL: Final RI rpt, Puente Valley OU interim RI/FS32598
6/13/1997Eugenia Chow / Environmental Protection Agency - Region 9Anthony Poli / Rowland Water DistrictLtr: Response to ltr 5/29/97 fr A Poli & clarification of issues re Rowland Water District well #132589
6/25/1997--Sign-in sheet & overheads used for EPA presentation at 6/25/97 meeting with Puente Valley OU PRPs32602
6/30/1997T R W, Inc
Robert Walter / Puente Valley Steering Committee
Brett Moffatt / Environmental Protection Agency - Region 9Ltr: Request for written notice fr EPA that Puente Valley Steering Committee has demonstrated that terms of administrative consent order have been completed, ref EPA docket #93-2630878
7/8/1997Jacalyn Spiszman / CA Environmental Protection Agency - Dept of Toxic Substances ControlEugenia Chow / Environmental Protection Agency - Region 9Ltr: Comments on draft Puente Valley RI/FS dated 4/25/97, w/attch32625
7/10/1997Anthony Poli / Rowland Water DistrictEugenia Chow / Environmental Protection Agency - Region 9Ltr: Response to ltr 6/13/97 fr E Chow & expression of intent to review new developments re Rowland Water District well #132588
7/18/1997Environmental Protection Agency - Region 9-Agenda & Camp Dresser & McKee's overheads fr 7/18/97 EPA/Puente Valley Steering Committee meeting32622
7/30/1997Environmental Protection Agency - Region 9-Agenda & sign-in sheet, 7/30/97 EPA/Puente Valley Steering Committee meeting32621
8/15/1997Robert Walter / T R W, IncBrett Moffatt / Environmental Protection Agency - Region 9Ltr: Transmittal of attch A, Puente Valley Steering Committee's comments on FS for Puente Valley OU interim RI/FS issued by EPA on 5/30/97, w/attch31629
8/22/1997Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles RegionEugenia Chow / Environmental Protection Agency - Region 9Ltr: Notification that Regional Board has reviewed final draft of Puente Valley OUFS & has no comments32597
8/27/1997Environmental Protection Agency - Region 9Puente Valley Steering CommitteeOverheads fr 8/27/97 EPA presentation to Puente Valley Steering Committee32612
8/27/1997Puente Valley Steering Committee-Overheads fr 8/27/97 Puente Valley Steering Committee presentation, proposed early data collection program32620
9/16/1997Eugenia Chow / Environmental Protection Agency - Region 9T R W, Inc
Robert Walter / Puente Valley Steering Committee
Ltr: Response to ltr 6/30/97 fr R Walter & notification that terms of administrative consent order (ACO) #93-26 have been completed except for requirement of section 15 re reimbursing EPA's oversight costs32658
10/3/1997Environmental Protection Agency - Region 9-Agenda & sign-in sheet, 10/3/97 Puente Valley Steering Committee/EPA meeting32613
10/28/1997Robert Walter / Puente Valley Steering Committee
T R W, Inc
Eugenia Chow / Environmental Protection Agency - Region 9Ltr: Comments of Puente Valley Steering Committee to EPA National Remedy Review Board on Puente Valley OUFS, w/attch32665
10/29/1997Carl Burnett / City of Industry - Urban-Development AgencyEugenia Chow / Environmental Protection Agency - Region 9
Environmental Protection Agency - National Remedy Review Board
Ltr: Comments of City of Industry & its redevelopment agency Industry Urban-Development Agency on Puente Valley OUFS, w/resume of D Howard & comments32664
10/30/1997Karen Caffee / McCutchen, Doyle, Brown & Enersen (Attorneys)Eugenia Chow / Environmental Protection Agency - Region 9Ltr: Comments of Rathon Corp (formerly Diversey Corp) on Puente Valley OU interim RI/FS FS dated 5/30/97, w/attch32666
10/30/1997Carol Williams / Main San Gabriel Basin WatermasterEugenia Chow / Environmental Protection Agency - Region 9Ltr: Comments on draft FS, Puente Valley OU32667
10/30/1997Michael Whitehead / San Gabriel Valley Water CoEugenia Chow / Environmental Protection Agency - Region 9Ltr: Comments on remedial alternatives in Puente Valley OU final FS rpt dated 5/30/9732668
11/24/1997Eugenia Chow / Environmental Protection Agency - Region 9-Responses to issues raised by Puente Valley Steering Committee in 10/30/97 submittal to National Remedy Review Board, Puente Valley OU, City of Industry32663
12/10/1997Environmental Protection Agency - Region 9-Guidance documents for Puente Valley OU administrative record32669
12/18/1997Bruce Means / Environmental Protection Agency - National Remedy Review BoardKeith Takata / Environmental Protection Agency - Region 9Memo: National Remedy Review Board recommendations on proposed remedial action (RA) for Puente Valley OU33168
12/30/1997Keith Takata / Environmental Protection Agency - Region 9Bruce Means / Environmental Protection Agency - National Remedy Review BoardMemo: Response to 12/18/97 National Remedy Review Board recommendations on Puente Valley OU33167
1/1/1998Environmental Protection Agency - Region 9-Fact sheet: Proposed plan, Puente Valley OU32672

Doc_dateAuthorAddresseeTitle_subjectDocid
1/28/1998Environmental Protection Agency - Region 9-Transcript of proceedings, Puente Valley OU community meeting 1/28/9834065
2/1/1998Environmental Protection Agency - Region 9-Fact sheet: Proposed plan, Puente Valley OU (EPA extends public comment period closing date to 3/16/98)33768
5/4/1998Camp Dresser & McKee, IncPuente Valley Steering CommitteeMouth of valley investigation, Puente Valley OU - map re selected VOC concentrations fr 1997 & 1998 sampling, shallow zone (attch only)50725
5/4/1998Camp Dresser & McKee, IncPuente Valley Steering CommitteeMouth of valley investigation, Puente Valley OU, w/o attch50620
9/1/1998Environmental Protection Agency - Region 9-Interim record of decision (ROD), Puente Valley OU, v1 & 2 (OU 01, ROD completion, seq 001, action date 9/30/98)40106
9/14/1998Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles Region-Resolution #98-016 - consideration of approval of resolution supporting EPA's proposed plan for site cleanup39880
6/23/1999San Gabriel Valley Tribune-Public notice: EPA announces availability of ROD for Puente Valley OU, w/invoice & advertising order80642

Doc_dateAuthorAddresseeTitle_subjectDocid
8/12/1999Camp Dresser & McKee, IncPuente Valley Steering CommitteeWells B7C & B11B investigation, rpt of findings2069141
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/selected text fr rpt of findings2069136
2/22/2000Penelope McDaniel / Environmental Protection Agency - Region 9Dave Mark / C H 2 M Hill, IncEmail: Transmits & requests for comments on results fr Puente Valley Steering Committee's step draw down & slug tests, w/attch & history2069139
6/1/2000-Environmental Protection Agency - Region 9Attchs A-J to legal memo (Privileged document target only)2071336
12/3/2001Angelica Castaneda-Jimenez / CA Regional Water Quality Control Board - Los Angeles RegionPenelope McDaniel / Environmental Protection Agency - Region 9Memo: Transmits results of analysis, 1,4-dioxane by modified EPA 8260, project Benchmark, w/attch (faxed)2069140
5/23/2002Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles Region-Waste discharge requirements for treated groundwater fr investigation &/or cleanup of VOCs contaminated sites to surface waters in coastal watersheds of LA & Ventura Counties, w/attchs A-C & app I, order # R4-2002-01072069173
3/1/2004C H 2 M Hill, IncEnvironmental Protection Agency - Region 9Draft final groundwater modeling rpt, shallow zone RD2069144
8/13/2004Amanda Berens / C H 2 M Hill, Inc
Dave Mark / C H 2 M Hill, Inc
Penelope McDaniel / Environmental Protection Agency - Region 9Technical Memo: Updated evaluation of potential impacts to San Jose Creek & San Gabriel River fr nitrate & TDS in Puente Valley OU treatment discharge, w/attchs2069138
8/20/2004Penelope McDaniel / Environmental Protection Agency - Region 9David Bacharowski / CA Regional Water Quality Control Board - Los Angeles RegionLtr: Confirms Regional Board's position re discharge of total dissolved solids (TDS) & nitrates at Puente Valley OU2071334
11/9/2004Camp Dresser & McKee, IncEnvironmental Protection Agency - Region 9Compliance, sentinel & investigatory well network (CSIWN) installation rpt, w/marginalia, w/o oversize maps2069142
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 RD2069143
12/3/2004Dave Mark / C H 2 M Hill, IncPenelope McDaniel / Environmental Protection Agency - Region 9Technical Memo: Review of compliance, sentinel & investigatory well network (CSIWN) installation rpt for intermediate zone, dated 11/9/2004, w/tables2069137
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
5/9/2005CA Dept of Health Services-DHS drinking water notification level overview2071335
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
5/20/2005Thomas Cota / CA Environmental Protection Agency - Dept of Toxic Substances ControlKathleen Salyer / Environmental Protection Agency - Region 9Ltr: Expresses concurrence with 5/12/2005 draft explanation of significant differences (ESD)2069172
6/10/2005Robert Collar / C H 2 M Hill, Inc
Dave Mark / C H 2 M Hill, Inc
Dana Barton / Environmental Protection Agency - Region 9Technical Memo: Puente Valley groundwater quality data in EPA San Gabriel Basin database2069135
6/14/2005Elizabeth Adams / Environmental Protection Agency - Region 9-Explanation of significant differences (ESD) to 1998 interim record of decision (ROD), w/attchs2069134
8/1/2005Kathleen Salyer / Environmental Protection Agency - Region 9FileMemo: Data relied upon for explanation of significant differences (ESD)2071852

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