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 Operable Unit
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, and the interim Record of Decision (ROD). 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 2, Baldwin Park Operable Unit Administrative Record
2. San Gabriel Valley Area 1, El Monte Operable Unit Administrative Record File
3. San Gabriel Valley Area 1, Richwood Operable Unit, Initial Remedial Measures
Administrative Record
4. San Gabriel Valley Area 1, South El Monte Operable Unit Administrative Record File
5. San Gabriel Valley Areas 1, 2 & 4, Suburban Water Systems/Bartolo Well Field
Operable Unit Administrative Record
6. San Gabriel Valley Ted Levine Drum Company, Unilateral Administrative Order #94-09
Administrative Record
7. San Gabriel Valley Areas 1, 2 & 4, Whittier Narrows Operable Unit Administrative
Record
List of Abbreviations and Acronyms Used in Administrative Record Index
| ABBREVIATION | MEANING |
| ARAR | Applicable or relevant and appropriate restriction (or requirement) |
| attch | Attachment |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act of 1980 |
| doc | Document |
| et al | And others |
| exh | Exhibit |
| fr | From |
| FS | Feasibility Study |
| FSP | Field Sampling Plan |
| info | Information |
| ltr | Letter |
| memo | Memorandum |
| notif | Notification |
| NPDES | National Pollutant Discharge Elimination System |
| OU | Operable Unit |
| p | Page |
| pp | Pages |
| PRP | Potential Responsible Party |
| pt | Part |
| PVSC | Puente Valley Steering Committee |
| RA | Remedial Action |
| RCRA | Resource Conservation and Recovery Act |
| re | Regarding |
| ref | Referencing |
| RI | Remedial Investigation |
| ROC | Record of Communication |
| rpt | Report |
| seq | Sequence |
| SOW | Statement of Work |
| TL | Transmittal Letter |
| TM | Technical Memo |
| UAO | Unilateral Administrative Order |
| v | Volume |
| VOC | Volatile Organic Compound |
| w/ | With |
| w/o | Without |
Administrative Record Index
| Doc. Date | Author / Author Org. | Addressee / Addressee Org. | Title / Subject | Doc. ID |
| 07/01/1961 | US Army Corps of Engineers | - | Design memo #2, general design for Thompson Creek & San Jose Wash Channel, San Jose Creek System | 15022 |
| 07/01/1961 | US 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 |
| 10/09/1985 | San Gabriel Valley Water Co CA Dept of Health Services | All Consumers of San Gabriel Valley Water Co | Public notice: VOCs found in water supply wells, w/10/9/85 town meeting announcement | 32650 |
| 02/26/1986 | Neil Ziemba / Environmental Protection Agency - Region 9 | Mary Jaureguy / La Puente Valley County Water District | Ltr: Results of analyses of water samples taken fr La Puente Valley County Water District wells in La Puente, w/charts, w/o mail receipt #P000-399-090 | 13369 |
| 02/26/1986 | Neil Ziemba / Environmental Protection Agency - Region 9 | J Ritchie / Maple Water Co, Inc | Ltr: Results of analyses of water samples taken fr Maple Water Co wells in La Puente, w/charts, w/o mail receipt #P000-399-092 | 13370 |
| 02/26/1986 | Neil Ziemba / Environmental Protection Agency - Region 9 | Timothy Jochem / Southwest Suburban Water Services | Ltr: Results of analyses of water samples taken fr Southwest Suburban Water Services well(s) in La Puente, w/charts, w/o mail receipt #P000-399-107 | 13366 |
| 06/23/1986 | Steve Tamaya / San Gabriel Valley Tribune, Inc | - | Newsclip: Bill would reimburse homes for water scare, ref SB 2283 | 10196 |
| 11/28/1986 | Lee Garber / San Gabriel Valley Tribune, Inc | - | Newsclip: Identifying water pollution source project's goal | 10226 |
| 11/28/1986 | Lee Garber / San Gabriel Valley Tribune, Inc | - | Newsclip: Tainted wells in El Monte, La Puente targeted for inspection in new program | 10227 |
| 11/18/1987 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Field sampling plan for sampling surface waters, addendum #1, San Gabriel Basin RI/FS, w/plate 1, approximate locations of 2nd round surface water sampling sites | 5980 |
| 04/19/1988 | R Nicholson, Jr / San Gabriel Valley Water Co | Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region | Ltr: 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, etc | 5524 |
| 03/01/1989 | Lee Garber / San Gabriel Valley Tribune, Inc | - | Newsclip: Funds due (LA Regional Water Quality Control Board) for tracing tainted water sources | 10660 |
| 09/27/1989 | J Holmes / C H 2 M Hill | - | 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 |
| 04/01/1990 | CA Regional Water Quality Control Board - Los Angeles Region | Environmental Protection Agency - Region 9 | Sampling plan (for EPA contract laboratory program, CLP) for multiple sites, San Gabriel basin Superfund area, ref cooperative agreement grant #V-009472-01-1 | 32496 |
| 05/07/1990 | Jerry Clifford / Environmental Protection Agency - Region 9 | James Norman / B D P Co | Ltr: 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 3007 | 4113 |
| 11/30/1990 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Final draft, quality assurance/quality control guidance document, San Gabriel Basin | 32304 |
| 05/19/1991 | Laura Flores / Long Beach Press Telegram | - | Newsclip: Superfund site may yield water bonanza - San Gabriel Valley basin cleanup eyed | 26067 |
| 01/10/1992 | Barbara 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, 1/10/92 | 5625 |
| 01/14/1993 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Technical memo: Area 6 monitoring well installation & sampling, San Gabriel area 6 RI | 18771 |
| 02/18/1993 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Will Lee / San Gabriel Valley Economic Council | Ltr: Notification of Puente Valley potential responsible party (PRP) meeting on 3/2/93 in S El Monte, w/o attch | 11650 |
| 04/08/1993 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Interim RI/FS statement of work (SOW), Puente Valley OU | 1186 |
| 05/26/1993 | Environmental 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 5/26/93 | 14668 |
| 07/26/1993 | Robert Walter / Puente Valley Steering Committee T R W, Inc | Mark Klaiman / Environmental Protection Agency - Region 9 | Ltr: 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/attch | 13542 |
| 08/02/1993 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attch | 610 |
| 08/10/1993 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of Puente Valley Technical Committee's proposed modifications to interim RI/FS draft statement of work (SOW) dated 4/8/93, w/attch | 611 |
| 08/20/1993 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Clarification on EPA's position on major RI requirements for Puente Valley OU that need immediate settlement | 13647 |
| 08/25/1993 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attch | 402 |
| 09/01/1993 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Mark Klaiman / Environmental Protection Agency - Region 9 | Ltr: Transmittal of Puente Valley Steering Committee members list as of 9/1/93, w/attch | 9645 |
| 09/03/1993 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of Puente Valley PRP Technical Committee's proposed modifications to EPA's draft statement of work (SOW) 4/8/93, w/redlined SOW 9/3/93 | 404 |
| 09/03/1993 | Jeffrey Zelikson / Environmental Protection Agency - Region 9 | Richard Parker / G O E Engineering Co, Inc | Ltr: Transmittal of unilateral administrative order (UAO) #93-23 for partial RI in Puente Valley OU, w/o attch, w/mail receipt #P389-854-800 | 32651 |
| 09/03/1993 | Jeffrey Zelikson / Environmental Protection Agency - Region 9 | Harry Gantz / Diversey Corp | Ltr: Transmittal of unilateral administrative order (UAO) #93-23 for partial RI to Dubois/Diversey & GOE Engineering, w/attch & mail receipt #P389-854-801 | 394 |
| 09/03/1993 | Jeffrey 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 Takata | 25660 |
| 09/10/1993 | Phillip Ramsey / Environmental Protection Agency - Region 9 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Ltr: Comments on redlined SOW for Puente Valley interim RI/FS 9/3/93 | 13646 |
| 09/10/1993 | Mark Klaiman / Environmental Protection Agency - Region 9 | Bill Naifeh / McKinney, Stringer & Webster (Attorneys) John Krill, Jr / Kirkpatrick & Lockhart 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/FS | 9646 |
| 09/16/1993 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of revised redlined Puente Valley RI/FS SOW, w/attch | 19624 |
| 09/30/1993 | Environmental 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 |
| 10/21/1993 | James Dragna / McCutchen, Doyle, Brown & Enersen (Attorneys) | Mark Klaiman / Environmental Protection Agency - Region 9 | Ltr: 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 Rosenbloom | 15288 |
| 10/22/1993 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Mark Klaiman / Environmental Protection Agency - Region 9 | Ltr: Notification that consulting firm Camp Dresser & McKee Inc has been retained to perform Puente Valley RI/FS | 13616 |
| 10/29/1993 | James Dragna / McCutchen, Doyle, Brown & Enersen (Attorneys) | Mark Klaiman / Environmental Protection Agency - Region 9 | Ltr: 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 Klaiman | 15275 |
| 11/02/1993 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Jeffrey Zelikson / Environmental Protection Agency - Region 9 | Ltr: Expression of concerns re methodology & conclusions in draft risk assessment & request for meeting prior to EPA finalizing document | 13615 |
| 11/23/1993 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Initial review of Puente Valley Steering Committee's interim RI/FS planning documents | 13648 |
| 11/23/1993 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Response to ltr 11/2/93 fr R Walter to J Zelikson re Puente Valley Steering Committee's risk assessment critique, w/critique | 409 |
| 12/06/1993 | Joseph Kwan / Puente Valley Steering Committee Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attchs | 14367 |
| 01/07/1994 | Joseph Kwan / T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of 1st monthly status rpt, 11/93-12/93, Puente Valley OU RI/FS, w/rpt & attch A, interim shallow groundwater monitoring network | 225 |
| 01/07/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Memo: 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/attch | 243 |
| 01/10/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of Puente Valley Steering Committee interim shallow groundwater monitoring network workplan, w/attch | 14326 |
| 01/14/1994 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Acknowledgment of receipt of EPA ltr 1/14/94 & response to concerns re delay on part of PVSC in addressing EPA comments to RI/FS planning docs | 14406 |
| 01/21/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Notification that Puente Valley Steering Committee's interim shallow groundwater monitoring network workplan 1/10/94 has been rejected | 15303 |
| 01/31/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of Puente Valley interim RI/FS docs, including workplan, field sampling plan, etc, revised fr 10/29/93 draft version, w/o attchs | 14164 |
| 02/01/1994 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Data management plan, Puente Valley OU interim RI/FS | 95 |
| 02/01/1994 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Field sampling plan, Puente Valley OU interim RI/FS, w/attchs | 93 |
| 02/01/1994 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Health & safety plan, Puente Valley OU interim RI/FS | 96 |
| 02/01/1994 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Quality assurance project plan, Puente Valley OU interim RI/FS | 94 |
| 02/01/1994 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Response summary, Puente Valley OU interim RI/FS | 91 |
| 02/01/1994 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Summary rpt, San Jose Creek surface water/groundwater interaction | 97 |
| 02/01/1994 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Workplan, Puente Valley OU interim RI/FS, w/attch 1, additional 53 wells, appendices A, project management plan & B, workplan/SOW cross reference | 92 |
| 02/14/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of Puente Valley Steering Committee revised interim shallow groundwater monitoring network workplan (initial date 1/10/94, revised date 2/14/94), w/attch | 14327 |
| 02/17/1994 | Jenifer Alai / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attch | 19334 |
| 02/24/1994 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 1/94, Puente Valley OU RI/FS, w/attch | 14329 |
| 02/25/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Susan Rabkin / Diversey Corp | Ltr: 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 #P765-057-274 | 14334 |
| 03/01/1994 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Preliminary baseline risk assessment, Puente Valley OU | 15003 |
| 03/04/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Comments on Puente Valley Steering Committee's revised interim shallow groundwater monitoring network workplan dated 2/14/94 | 15348 |
| 03/09/1994 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Response to EPA ltr 3/4/94 re EPA review of revised interim shallow groundwater monitoring network (ISGMN) workplan 2/14/94 | 53 |
| 03/11/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | T 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, etc | 14204 |
| 03/18/1994 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Interim shallow groundwater sampling workplan for cluster well siting, Puente Valley Steering Committee, w/TL 3/18/94 to P Ramsey fr D Chamberlin | 14973 |
| 03/21/1994 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 |
| 05/05/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of Puente Valley Steering Committee's interim shallow groundwater sampling for cluster well siting rpt 5/5/94, w/attch | 14974 |
| 05/17/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Susan Rabkin / Diversey Corp | Ltr: 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, checklist | 15290 |
| 05/18/1994 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Evaluation of San Jose Creek subdrain as contaminant migration pathway | 15349 |
| 05/19/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 |
| 05/19/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Responses to 4/17/94 EPA comments on Puente Valley Steering Committee's revised RI/FS planning documents (workplan & field sampling plan), w/redlined pp | 15359 |
| 05/19/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 |
| 05/19/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of & request for comments on draft interim shallow groundwater monitoring well network workplan (ISGMWNWP) 5/19/94, w/attch | 14975 |
| 05/20/1994 | Mark Klaiman / Environmental Protection Agency - Region 9 | John 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 merit | 15224 |
| 05/23/1994 | Jenifer Alai / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attchs | 15358 |
| 05/26/1994 | Nathan Lau / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Expression of disappointment that Puente Valley Steering Committee initiated on 5/24/94 unapproved weep hole & surface water sampling at San Jose Creek | 15244 |
| 06/02/1994 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 comments | 14964 |
| 06/09/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 #P389-855-008 | 15357 |
| 06/20/1994 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 Ramsey | 15356 |
| 06/21/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Review of Puente Valley OU interim RI/FS, interim shallow groundwater sampling for cluster well siting rpt 5/5/94, w/attch & mail receipt #P389-855-009 | 15355 |
| 06/28/1994 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 Creek | 15353 |
| 07/12/1994 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Scope of investigation & data analysis activities for assessment of San Jose Creek subdrain as potential contaminant migration pathway | 15352 |
| 07/15/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of revisions to interim shallow groundwater sampling for cluster well siting rpt 5/5/94, w/attchs | 15351 |
| 07/27/1994 | C H 2 M Hill | - | 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 Ramsey | 15561 |
| 08/09/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Review of Puente Valley OU revised RI/FS planning docs (workplan/FSP revision, monitoring well network workplan amendment), w/attch & mail receipt #P389-855-010 | 15350 |
| 08/12/1994 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Proposal of alternative locations for monitoring well cluster MW6-3, w/figure 1, potential locations | 15291 |
| 08/18/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Susan Rabkin / Diversey Corp | Ltr: Approval of final field sampling plan 6/2/94 & other Puente Valley OU partial RI planning docs, ref UAO #93-23 | 15292 |
| 08/25/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Request for approval to install 4-inch diameter well casing instead of 6-inch in FSP | 14673 |
| 08/29/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 |
| 08/29/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of responses to 8/9/94 EPA comments on Puente Valley Steering Committee's revised RI/FS planning docs (workplan & FSP, etc), w/attchs | 14634 |
| 09/07/1994 | Jenifer Alai / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of & request to replace revised change-out p 2-1 of workplan received by EPA 8/30/94, w/attch | 14636 |
| 09/08/1994 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attchs | 14677 |
| 09/12/1994 | John Ferrero / City of Industry - Office of Mayor | Felicia Marcus / Environmental Protection Agency - Region 9 | Ltr: Request for meeting to discuss City of Industry's joint-planning approach towards groundwater cleanup in Puente Valley | 15895 |
| 09/12/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 screen | 14674 |
| 09/15/1994 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attchs | 15294 |
| 09/21/1994 | Jenifer Alai / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Notification of selection of, on behalf of Puente Valley Steering Committee, subcontractors Terra Tech Laboratories & Beylik Drilling Inc for RI/FS activities | 15209 |
| 09/27/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 2/94-9/94, Puente Valley OU RI/FS, w/attch | 15210 |
| 09/30/1994 | Carl Burnett / City of Industry - Urban-Development Agency | Keith Takata / Environmental Protection Agency - Region 9 | Ltr: Transmittal of 8 items for 10/6/94 meeting re City of Industry's plans for treatment system for Puente Valley groundwater, w/attchs | 15042 |
| 10/10/1994 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt, EPA oversight of Puente Valley OU field activities at monitoring well MW 6-6 on 10/5/94 (faxed) | 16861 |
| 10/12/1994 | Camp 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 Ramsey | 16862 |
| 10/14/1994 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt, EPA oversight of Puente Valley OU field activities at monitoring well MW 6-6 on 10/11/94 | 16866 |
| 10/27/1994 | Felicia Marcus / Environmental Protection Agency - Region 9 | John Ferrero / City of Industry - Office of Mayor | Ltr: 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 al | 15822 |
| 10/27/1994 | Felicia Marcus / Environmental Protection Agency - Region 9 | Esteban Torres / US House of Representatives | Ltr: 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 attch | 15821 |
| 10/31/1994 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Susan Rabkin / Diversey Corp | Ltr: Approval of revised field sampling plan (FSP) for Puente Valley OU MW6-3, ref UAO #93-23 | 15204 |
| 10/31/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 10/94, Puente Valley OU RI/FS, w/attch | 15203 |
| 11/04/1994 | Sharon Wallin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Proposed changes in drilling & BAT sampling procedures at cluster well location MW6-5, Puente Valley OU | 15206 |
| 11/14/1994 | Environmental Strategies Corp | Diversey Corp | Final field sampling plan (FSP) for Puente Valley OU partial RI, monitoring well cluster 6-3 - Diversey Corp, 15010 E Don Julian Rd, City of Industry | 15035 |
| 11/14/1994 | Environmental Strategies Corp | Diversey Corp | Final 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 11/16/94 | 15034 |
| 11/15/1994 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #6, EPA oversight of Puente Valley OU field activities at monitoring well MW 651 & MW 662 on 11/11/94 | 16867 |
| 11/30/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 11/94, Puente Valley OU RI/FS, w/attch | 15211 |
| 12/09/1994 | Lisa Mahan / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Proposed changes in initial groundwater sampling procedures at clusters MW6-6 & MW6-8, Puente Valley OU | 15202 |
| 12/14/1994 | Lisa Mahan / Camp Dresser & McKee, Inc | Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region | Ltr: 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/maps | 16109 |
| 12/15/1994 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attchs | 14719 |
| 12/22/1994 | Sharon Wallin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 sheet | 17013 |
| 12/29/1994 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 12/94, Puente Valley OU RI/FS, w/attch | 17023 |
| 01/03/1995 | Sharon Wallin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Cluster well MW654, proposed BAT sampling & well completion depths, cluster well location MW64, proposed drilling schedule & procedures, Puente Valley OU RI/FS | 15183 |
| 01/05/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 #P918-448-771 | 15186 |
| 01/06/1995 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: 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 12/28/94 | 15897 |
| 01/10/1995 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 Aves | 16886 |
| 01/17/1995 | - | - | 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 acceptable | 16888 |
| 01/26/1995 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #13, EPA oversight of Puente Valley OU field activities at monitoring well MW 641 on 1/24/95 | 16769 |
| 01/31/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 1/95, Puente Valley OU RI/FS, w/attch | 18835 |
| 01/31/1995 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 #93-23 | 16890 |
| 01/31/1995 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #14, EPA oversight of Puente Valley OU field activities at production well SWS 123 on 1/27/95 | 16770 |
| 02/06/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Sharon Wallin / Camp Dresser & McKee, Inc | Ltr: 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 Ramsey | 16892 |
| 02/07/1995 | Nathan Lau / Environmental Protection Agency - Region 9 | Robert Walter / T R W, Inc | Ltr: 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) 9/30/93 | 16893 |
| 02/15/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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-C | 16895 |
| 02/15/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 |
| 02/27/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Review of memo 2/17/95 fr CDM re cluster well MW6-7 installation requirement, Puente Valley OU | 16913 |
| 02/28/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 schedule | 16914 |
| 03/01/1995 | Environmental Protection Agency - Region 9 | - | Fact sheet: In major step toward cleanup, EPA identifies sources of groundwater contamination - EPA clears more than 1,500 companies (#16) | 19855 |
| 03/03/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Transmittal of EPA comments on Puente Valley OU RI/FS planning documents, w/attch & handwritten comment dated 3/8 expressing thanks fr Nate to Phil | 15188 |
| 03/03/1995 | Sharon Wallin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: 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 review | 16915 |
| 03/06/1995 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Response to ltr 2/27/95 fr P Ramsey re cluster well MW6-7 installation requirement, Puente Valley OU | 16917 |
| 03/09/1995 | Sharon Wallin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attchs | 16920 |
| 03/10/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Comments on Puente Valley OU RI/FS summary FS dated 10/29/93, w/attchs | 16921 |
| 03/20/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attch | 16931 |
| 03/24/1995 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #15, EPA oversight of Puente Valley OU field activities in San Jose Creek on 3/20/95, w/attch | 16774 |
| 03/27/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Comments on 3/20/95 proposal fr CDM on behalf of Puente Valley Steering Committee re installation of monitoring well cluster MW6-7 | 16933 |
| 03/27/1995 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 3/28/95 | 16934 |
| 03/28/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 Committee | 16935 |
| 03/28/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attchs | 16936 |
| 03/29/1995 | Sharon Wallin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of CLP-type data package, Puente Valley OU RI/FS, for samples referenced in 1/95 monthly status rpt, w/attchs | 22508 |
| 03/30/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of proposed aquifer testing program plan, Puente Valley OU RI/FS, w/attch | 16939 |
| 03/31/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 3/95, Puente Valley OU RI/FS, w/attch | 16940 |
| 04/05/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 Committee | 16944 |
| 04/11/1995 | Environmental Protection Agency - Region 9 | - | Recipients of general notice of liability for San Gabriel Valley sites, areas 1-4 | 32652 |
| 04/13/1995 | Sharon Wallin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Review of analytical data for initial water quality sample collected fr well MW6-71, Puente Valley OU RI/FS, w/attchs | 16946 |
| 04/14/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Conditional approval of aquifer testing program proposal submitted on 3/30/95 by CDM on behalf of Puente Valley Steering Committee | 16947 |
| 04/19/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Field sampling plan (FSP), Puente Valley OU interim RI/FS | 19549 |
| 04/19/1995 | Camp 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 |
| 04/19/1995 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 insurance | 16951 |
| 04/19/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Puente Valley OU interim RI/FS workplan | 19512 |
| 04/19/1995 | Camp 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 |
| 04/19/1995 | Camp Dresser & McKee, Inc | - | Puente Valley Steering Committtee interim groundwater monitoring well network workplan (IGMWNWP) | 19547 |
| 04/19/1995 | Camp 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 |
| 04/19/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Summary rpt, San Jose Creek surface water/groundwater interaction | 19510 |
| 04/20/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 attchs | 19803 |
| 04/21/1995 | Sharon Wallin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Evaluation of need for additional well at cluster well MW6-6, Puente Valley OU RI/FS | 16983 |
| 04/27/1995 | Richard Freudenberger / Environmental Strategies Corp | Lisa Mahan / Camp Dresser & McKee, Inc | Ltr: 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 attchs | 16878 |
| 04/27/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 4/95, Puente Valley OU RI/FS, w/attch | 18834 |
| 04/27/1995 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #1, EPA oversight of Puente Valley OU field activities at monitoring well cluster MW6-31 on 4/27/95, w/attch | 16957 |
| 05/03/1995 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #2, EPA oversight of monitoring well cluster MW 6-3A installation for Puente Valley OU on 5/1/95 | 19818 |
| 05/09/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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, 4/21/95 | 16959 |
| 05/16/1995 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 #93-26 | 16960 |
| 05/17/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 & nitrate | 16961 |
| 05/22/1995 | Joseph 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 Ramsey | 16695 |
| 05/23/1995 | Joseph 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 Ramsey | 32616 |
| 05/24/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region | Ltr: Request for waiver of NPDES permit requirements, w/Post-it fax note to P Ramsey | 19106 |
| 05/31/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 MW6-6 | 16963 |
| 05/31/1995 | Mark Klaiman / Environmental Protection Agency - Region 9 | Robert Walter / T R W, Inc | Ltr: 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 |
| 06/01/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 5/95, Puente Valley OU RI/FS, w/attch | 19913 |
| 06/06/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Transmittal of memo 5/9/95 fr R Bauer to P Ramsey re review of Puente Valley data packages submitted by CDM, w/attch | 16775 |
| 06/12/1995 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Confirmation of EPA approval of 475 to 485 foot screened interval for monitoring well MW6-33 & submittal of preliminary results fr hydropunch water samples | 19920 |
| 06/13/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of technical memos #1 (RI TM & FS TM), Puente Valley OU interim RI/FS, w/o attch | 19717 |
| 06/13/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Technical memo #1, Puente Valley OU interim RI/FS, FS rpt | 19661 |
| 06/13/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Technical memo #1, Puente Valley OU interim RI/FS, RI cluster well installation & sampling | 19660 |
| 06/13/1995 | Camp Dresser & McKee, Inc | - | Technical memo #1, Puente Valley OU interim RI/FS, RI cluster well installation & sampling, appendix B | 19658 |
| 06/13/1995 | Camp 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 |
| 06/13/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Technical memo #1, Puente Valley OU interim RI/FS, RI cluster well installation & sampling, rpt & appendix A | 22005 |
| 06/14/1995 | Mike Sorensen / CA Environmental Protection Agency - Dept of Toxic Substances Control | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: CA Dept of Toxic Substances Control concurs with EPA position re dispute with Puente Valley Steering Committee re use of hydropunch screening tool | 19820 |
| 06/14/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Mark Klaiman / Environmental Protection Agency - Region 9 | Ltr: 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 OU | 19921 |
| 06/15/1995 | Robert Walter / Puente Valley Steering Committee T R W, Inc | Keith Takata / Environmental Protection Agency - Region 9 | Ltr: Formal statement fr Puente Valley Steering Committee re dispute resolution, monitoring well MW6-6 | 19924 |
| 06/15/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Robert Walter / T R W, Inc | Ltr: 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/attchs | 19718 |
| 06/20/1995 | Mark Klaiman / Environmental Protection Agency - Region 9 | David 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 rpts | 19927 |
| 06/27/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | David 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 discharge | 19931 |
| 06/30/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Response to ltr 6/27/95 fr P Ramsey re pumping test at MW6-5 & MW6-6, Puente Valley OU | 19340 |
| 06/30/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmits 6/95 monthly status rpt w/encl | 19341 |
| 06/30/1995 | Jeffrey Zelikson / Environmental Protection Agency - Region 9 | Robert Walter / T R W, Inc | Ltr: 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 7/3/95 | 19342 |
| 07/06/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 OU | 19933 |
| 07/07/1995 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 MW6-6 | 19719 |
| 07/20/1995 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 SOW | 19937 |
| 07/20/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 water | 19936 |
| 08/01/1995 | Robert Walter / Puente Valley Steering Committee T R W, Inc | Nathan Lau / Environmental Protection Agency - Region 9 | Ltr: 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 |
| 08/07/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 8/3/95 | 19941 |
| 08/16/1995 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Nathan Lau / Environmental Protection Agency - Region 9 | Ltr: Transmittal of Puente Valley Steering Committee's proposed schedule for remaining RI/FS activities, w/attch | 19723 |
| 08/18/1995 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #18, EPA oversight of Puente Valley OU field activities at monitoring wells MW665 & MW654 on 8/17/95 | 32619 |
| 08/18/1995 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #19, EPA oversight of Puente Valley OU field activities at monitoring well MW662 on 8/23/95 | 25149 |
| 08/24/1995 | John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #3, EPA oversight of Puente Valley OU field activities at monitoring well cluster MW63 on 8/23/95 | 22913 |
| 09/19/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Technical 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 |
| 09/19/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Technical 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 |
| 09/19/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Technical 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 Ramsey | 21306 |
| 09/20/1995 | Sharon Wallin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | TL: 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 C | 21305 |
| 09/26/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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 deadline | 20018 |
| 09/28/1995 | Joseph 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 Ramsey | 32618 |
| 09/28/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt for 9/95, Puente Valley OU RI/FS, w/attch | 21106 |
| 10/02/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Richard Freudenberger / Environmental Strategies Corp | Ltr: Approval of pumping test proposal dated 9/26/95 at Puente Valley OU MW6-3, Diversey Corp/DuBois Chemical, UAO #93-23 | 21107 |
| 10/05/1995 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 specifications | 21108 |
| 10/13/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Richard Freudenberger / Environmental Strategies Corp | Ltr: 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 #93-23 | 21118 |
| 10/13/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of draft agenda for Puente Valley RI/FS technical meeting on 10/19/95 & tables 1 & 2 on potential alternatives, w/attchs | 21112 |
| 10/19/1995 | Environmental Strategies Corp | Diversey Corp | Monitoring 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 Freudenberger | 21838 |
| 10/30/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Technical memo #2, Puente Valley OU interim RI/FS, FS rpt, w/TL 10/30/95 to P Ramsey fr D Chamberlin | 22000 |
| 10/31/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmits 10/95 monthly status rpt, Puente Valley OU RI/FS, w/attch | 22436 |
| 11/08/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Comments on Puente Valley OU, RI technical memo #2 dated 9/19/95, w/encls | 21729 |
| 11/09/1995 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Revised RI/FS schedule for Puente Valley OU, w/attch & marginalia re modelling problems | 21725 |
| 11/09/1995 | Robert Collar / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Trip rpt #4, EPA oversight of Puente Valley OU field activities at monitoring well cluster MW6-3 on 11/8/95 | 22914 |
| 11/15/1995 | Environmental Strategies Corp | Diversey Corp | 2nd 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 Freudenberger | 21837 |
| 11/15/1995 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Preliminary pumping test results conducted at well cluster MW 6-3, UAO #93-23, w/graph of test data & type curve for MW6-36 | 21707 |
| 11/15/1995 | Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region | Richard Freudenberger / Environmental Strategies Corp Diversey Corp | Memo: Approval of proposed discharge of groundwater fr pump tests for RI/FS wells in MW6-3 cluster in Puente Valley | 32019 |
| 11/17/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Sharon Wallin / Camp Dresser & McKee, Inc | Ltr: Transmittal of ltr dated 11/15/95 fr Environmental Strategies Corp transmitting preliminary pumping test results for well cluster MW6-3, w/o attch | 21726 |
| 11/21/1995 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Results of additional pumping test analysis, UAO #93-23, w/attch | 21706 |
| 11/22/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Response to 11/9/95 request fr Puente Valley Steering Committee re interim RI/FS schedule modification | 21727 |
| 11/24/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Comments on Puente Valley OU FS technical memo #2 dated 10/30/95, w/attch A, specific comments | 21728 |
| 11/28/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Richard Freudenberger / Environmental Strategies Corp | Ltr: 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 11/22/95 | 21709 |
| 11/30/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt for 11/95, Puente Valley OU RI/FS, w/attch | 23415 |
| 12/04/1995 | Karen 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 Ramsey | 32617 |
| 12/06/1995 | Robert Walter / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Proposed revised submittal date for Puente Valley OU draft FS rpt | 23417 |
| 12/12/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Draft 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 |
| 12/12/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Draft RI rpt, Puente Valley OU interim RI/FS, appendices (attchs only) | 25437 |
| 12/12/1995 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Draft RI rpt, Puente Valley OU interim RI/FS, w/TL to P Ramsey | 25435 |
| 12/12/1995 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Robert Walter / T R W, Inc | Ltr: Notification that Puente Valley Steering Committee's request in ltr 12/6/95 for additional extension for submittal of draft FS is denied | 23420 |
| 12/12/1995 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of 3rd monthly groundwater monitoring rpt, Puente Valley OU partial RI, monitoring well cluster 6-3, UAO #93-23, w/attch | 22817 |
| 12/12/1995 | Carl Burnett / City of Industry - Urban-Development Agency | Keith Takata / Environmental Protection Agency - Region 9 | Ltr: 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 |
| 12/12/1995 | Carl Burnett / City of Industry - Urban-Development Agency | Keith Takata / Environmental Protection Agency - Region 9 | Ltr: Transmittal of City of Industry's comments on technical memo #1, FS, Puente Valley OU, w/attchs | 23388 |
| 12/28/1995 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt for 12/95, Puente Valley OU RI/FS, w/attch | 24901 |
| 01/02/1996 | Greg Woodside / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Summary of meeting on 1/2/96 with D Chamberlin & B Harley of CDM re current status of CDM's modeling of Puente Valley OU | 22017 |
| 01/25/1996 | Dawn Conley / Environmental Protection Agency - Region 9 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Memo: Transmittal of partially reviewed data, Puente Valley site, case #R96S02, memo #2, SDG #SYI200, analysis OLM02.0, CLP SOW VOC, w/attchs | 32615 |
| 01/26/1996 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of proposed agenda for meeting on 1/30/96 between Puente Valley Steering Committee & EPA, w/attch | 24899 |
| 01/29/1996 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt for 1/96, Puente Valley OU RI/FS, w/attch | 24902 |
| 01/31/1996 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/encl | 25444 |
| 02/01/1996 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 pp/sections & final RI & FS rpts | 24900 |
| 02/01/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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/attch | 24904 |
| 02/13/1996 | Joseph 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 Ramsey | 32614 |
| 02/15/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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/attch | 23660 |
| 02/29/1996 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmits 2/96 monthly status rpt, Puente Valley OU RI/FS, w/attch | 24946 |
| 03/05/1996 | Nathan Lau / Environmental Protection Agency - Region 9 | Robert Walter / T R W, Inc | Ltr: 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 monies | 24898 |
| 03/08/1996 | Robert Fitzgerald / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Aquifer test analyses, Puente Valley OU RI/FS, submitted in response to general comment #6 of EPA's 2/15/96 ltr, w/attch | 25354 |
| 03/13/1996 | Dawn 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 Frazer | 24808 |
| 03/14/1996 | Environmental Strategies Corp | Diversey Corp | 1st quarterly groundwater monitoring & aquifer testing rpt, Puente Valley OU partial RI, monitoring well cluster 6-3, w/TL 3/14/96 to P Ramsey | 25445 |
| 03/19/1996 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Technical memo #3, Puente Valley OU interim RI/FS, RI rpt & appendix A, w/TL 3/19/96 fr CDM to P Ramsey | 24186 |
| 03/20/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Review of Puente Valley Steering Committee's 3/8/96 aquifer test analysis submitted by CDM, w/attch A, general comments | 25353 |
| 03/28/1996 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Draft FS, Puente Valley OU interim RI/FS, appendices D-I (attchs only) | 24218 |
| 03/28/1996 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Draft FS, Puente Valley OU interim RI/FS, rpt & appendices A-C, w/TL 3/28/96 to P Ramsey | 24217 |
| 03/29/1996 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmits 3/96 monthly status rpt, Puente Valley OU RI/FS, w/attch | 24937 |
| 03/29/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: 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/attch | 24906 |
| 04/08/1996 | Mark Klaiman / Environmental Protection Agency - Region 9 | Robert Walter / T R W, Inc | Ltr: 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 4/8/96 | 25247 |
| 04/10/1996 | Nathan Lau / Environmental Protection Agency - Region 9 | Robert Walter / Puente Valley Steering Committee T R W, Inc | 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 alternatives | 25356 |
| 04/17/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | 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 FS | 25355 |
| 04/22/1996 | Latham & Watkins (Attorneys) Gene Lucero / Puente Valley Legal Committee | Mark Klaiman / Environmental Protection Agency - Region 9 | Ltr: 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 & Watkins | 25245 |
| 04/22/1996 | Nathan Lau / Environmental Protection Agency - Region 9 | T 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 alternative | 25404 |
| 04/30/1996 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 Lau | 25396 |
| 05/02/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Ltr: Request for submittal of FS model calibration documentation, Puente Valley OU interim RI/FS | 25395 |
| 05/08/1996 | Nathan Lau / Environmental Protection Agency - Region 9 | Robert Walter / Puente Valley Steering Committee T R W, Inc | Ltr: Follow-up to 5/1/96 conference call re draft Puente Valley OUFS, w/o attch | 25352 |
| 05/13/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Ltr: Additional comments on Puente Valley draft FS rpt, w/attch | 25442 |
| 05/13/1996 | Robert Walter / Puente Valley Steering Committee T R W, Inc | Nathan Lau / Environmental Protection Agency - Region 9 | Ltr: 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 OUFS | 25241 |
| 05/17/1996 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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 review | 25441 |
| 05/28/1996 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Confirmation of understanding of issues re model calibration assessment comments & final FS revised due date, Puente Valley OU | 32605 |
| 05/30/1996 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 5/96, Puente Valley OU RI/FS, w/attch | 25394 |
| 06/07/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Mark Hanket / Diversey Corp | Ltr: 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/attch | 25461 |
| 06/07/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | T 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 ltr | 25460 |
| 06/24/1996 | Richard Freudenberger / Environmental Strategies Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: 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/attchs | 25569 |
| 06/28/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | T 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 3/28/96 | 25620 |
| 07/01/1996 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | [Draft] final FS, Puente Valley OU interim RI/FS - appendices D-J (attchs only) | 32309 |
| 07/01/1996 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | [Draft] final FS, Puente Valley OU interim RI/FS - rpt & appendices A-C | 32308 |
| 07/01/1996 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Comment/response summary, final FS, Puente Valley OU interim RI/FS | 26905 |
| 07/01/1996 | David Chamberlin / Camp Dresser & McKee, Inc | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Transmittal of monthly status rpt 6/96, Puente Valley OU RI/FS, w/attch | 25699 |
| 07/01/1996 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Redline/strikeout of final FS text, Puente Valley OU interim RI/FS | 26906 |
| 07/12/1996 | Artemis Antipas / C H 2 M Hill John Lovenburg / C H 2 M Hill | Phillip Ramsey / Environmental Protection Agency - Region 9 | Technical memo: Review of laboratory analytical data for 2nd monthly groundwater monitoring rpt for monitoring well cluster 6-3 | 25739 |
| 08/02/1996 | Terry Nickerson / Rathon Corp | Phillip Ramsey / Environmental Protection Agency - Region 9 | Ltr: Notification that Diversey Corp has been sold to Unilever & request that responsibility for Puente Valley involvement be transferred to successor co of Diversey, Rathon Corp | 27238 |
| 09/16/1996 | Dawn Richmond / Environmental Protection Agency - Region 9 | Doug Frazer / Environmental Protection Agency - Region 9 | Memo: Transmittal of partially reviewed data, Puente Valley site, case #R96S53, SDG #SYK160, analysis OLM02.0, CLP SOW VOC, w/attchs | 26911 |
| 11/01/1996 | David Chamberlin / Camp Dresser & McKee, Inc | Janet Whitlock / Environmental Protection Agency - Region 9 | Ltr: Transmittal of sign-in sheet & overheads fr 10/24/96 meeting, Puente Valley OU, w/attchs | 32603 |
| 11/07/1996 | Phillip Ramsey / Environmental Protection Agency - Region 9 | Terry Nickerson / Rathon Corp | Ltr: 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 Corp | 27239 |
| 12/09/1996 | Thomas O'Laughlin / A S L Consulting Engineers | Nathan Lau / Environmental Protection Agency - Region 9 | Ltr: Inquiry re EPA conditions for drilling & equipping Rowland Water District well #1 | 32590 |
| 12/11/1996 | Environmental Protection Agency - Region 9 | Puente Valley Steering Committee | Overheads fr presentation on 12/11/96 to Puente Valley Steering Committee (PVSC) on overview of FS | 32653 |
| 01/09/1997 | Janet Whitlock / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | Ltr: Transmittal of EPA comments on change-out pp for draft RI rpt dated 4/9/96, Puente Valley OU, w/attch | 32606 |
| 01/10/1997 | Janet Whitlock / Environmental Protection Agency - Region 9 | Thomas O'Laughlin / A S L Consulting Engineers | Ltr: 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 #1 | 32591 |
| 01/30/1997 | Environmental Protection Agency - Region 9 | - | Agenda, sign-in sheet & draft overheads fr 1/30/97 Puente Valley OUFS meeting | 32624 |
| 02/01/1997 | A S L Consulting Engineers | - | Construction plans & contract specifications for Rowland Water District well #1, w/TL 2/25/97 to E Chow | 32592 |
| 02/26/1997 | Joseph Kwan / T R W, Inc | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Clarification on Puente Valley Steering Committee's view of sub-regional alternative to final FS for Puente Valley OU | 28479 |
| 03/07/1997 | Eugenia Chow / Environmental Protection Agency - Region 9 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Ltr: Response to ltr 2/26/97 fr J Kwan re sub-regional alternative, Puente Valley OU | 32607 |
| 03/13/1997 | Eugenia Chow / Environmental Protection Agency - Region 9 | Thomas O'Laughlin / A S L Consulting Engineers | Ltr: Comments on construction plans & contract specifications for Rowland Water District well #1 dated 2/97 | 32593 |
| 03/19/1997 | Thomas O'Laughlin / A S L Consulting Engineers | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: 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/attch | 32594 |
| 03/25/1997 | Environmental Protection Agency - Region 9 | - | Agenda, sign-in sheet & overheads fr 3/25/97 Puente Valley OUFS meeting | 32623 |
| 04/03/1997 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Confirmation of understanding of additional sampling of cluster wells installed during RI/FS phase & proposed plan & record of decision (ROD) format for Puente Valley OU | 32608 |
| 04/08/1997 | Brett Moffatt / Environmental Protection Agency - Region 9 | Robert Walter / Puente Valley Steering Committee T R W, Inc | Ltr: Confirmation of EPA's intention to invite Rathon Inc to attend 4/21/97 Puente Valley OU RI/FS meeting | 32610 |
| 04/09/1997 | Eugenia Chow / Environmental Protection Agency - Region 9 | Joseph Kwan / T R W, Inc | ROC: Clarification of items discussed in 4/3/97 ltr fr J Kwan re proposed plan & record of decision (ROD), Puente Valley OU | 32609 |
| 04/21/1997 | Puente Valley Steering Committee Environmental Protection Agency - Region 9 | - | Agenda, sign-in sheet & overheads fr 4/21/97 Puente Valley OUFS meeting | 32604 |
| 04/23/1997 | Eugenia Chow / Environmental Protection Agency - Region 9 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Ltr: Comments on 3/11/97 draft RI rpt for Puente Valley OU | 32611 |
| 04/29/1997 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Brett Moffatt / Environmental Protection Agency - Region 9 | Ltr: Puente Valley Steering Committee's identification of factors unique to Puente Valley OU that would influence ARARs analysis | 30122 |
| 05/09/1997 | Eugenia Chow / Environmental Protection Agency - Region 9 | Joseph Kwan / Puente Valley Steering Committee T R W, Inc | Ltr: Transmittal of & request for comments on technical memo summarizing nature & extent of VOCs in groundwater in Puente Valley OU, w/attch & marginalia | 32601 |
| 05/20/1997 | Eugenia Chow / Environmental Protection Agency - Region 9 | Anthony Poli / Rowland Water District | Ltr: 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 attch | 32595 |
| 05/21/1997 | Eugenia Chow / Environmental Protection Agency - Region 9 | T R W, Inc Joseph Kwan / Puente Valley Steering Committee | Ltr: Comments on draft RI rpt change-out pp dated 5/9/97, Puente Valley OU | 32599 |
| 05/29/1997 | Anthony Poli / Rowland Water District | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Response to E Chow's ltr 5/20/97 & notification that Rowland Water District well #1 project has been placed on hold, w/env | 32596 |
| 05/30/1997 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Final RI rpt, appendice E, attch 2, v1, Puente Valley OU interim RI/FS | 30644 |
| 05/30/1997 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Final RI rpt, appendice E, attch 2, v2, Puente Valley OU interim RI/FS | 30645 |
| 05/30/1997 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Final RI rpt, appendices, Puente Valley OU interim RI/FS | 30643 |
| 05/30/1997 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Final RI rpt, appendices, Puente Valley OU interim RI/FS - plates A & B (attchs only) | 30693 |
| 05/30/1997 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Final RI rpt, Puente Valley OU interim RI/FS | 30642 |
| 05/30/1997 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Final RI rpt, Puente Valley OU interim RI/FS - plates 1-4 (attchs only) | 30692 |
| 05/30/1997 | C H 2 M Hill | Environmental Protection Agency - Region 9 | FS, Puente Valley OU interim RI/FS | 30528 |
| 05/30/1997 | David Chamberlin / Camp Dresser & McKee, Inc | Eugenia Chow / Environmental Protection Agency - Region 9 | TL: Final RI rpt, Puente Valley OU interim RI/FS | 32598 |
| 06/13/1997 | Eugenia Chow / Environmental Protection Agency - Region 9 | Anthony Poli / Rowland Water District | Ltr: Response to ltr 5/29/97 fr A Poli & clarification of issues re Rowland Water District well #1 | 32589 |
| 06/25/1997 | - | - | Sign-in sheet & overheads used for EPA presentation at 6/25/97 meeting with Puente Valley OU PRPs | 32602 |
| 06/30/1997 | Robert Walter / Puente Valley Steering Committee T R W, Inc | Brett Moffatt / Environmental Protection Agency - Region 9 | Ltr: 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 #93-26 | 30878 |
| 07/08/1997 | Jacalyn Spiszman / CA Environmental Protection Agency - Dept of Toxic Substances Control | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Comments on draft Puente Valley RI/FS dated 4/25/97, w/attch | 32625 |
| 07/10/1997 | Anthony Poli / Rowland Water District | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Response to ltr 6/13/97 fr E Chow & expression of intent to review new developments re Rowland Water District well #1 | 32588 |
| 07/18/1997 | Environmental Protection Agency - Region 9 | - | Agenda & Camp Dresser & McKee's overheads fr 7/18/97 EPA/Puente Valley Steering Committee meeting | 32622 |
| 07/30/1997 | Environmental Protection Agency - Region 9 | - | Agenda & sign-in sheet, 7/30/97 EPA/Puente Valley Steering Committee meeting | 32621 |
| 08/15/1997 | Robert Walter / T R W, Inc | Brett Moffatt / Environmental Protection Agency - Region 9 | Ltr: 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/attch | 31629 |
| 08/22/1997 | Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles Region | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Notification that Regional Board has reviewed final draft of Puente Valley OUFS & has no comments | 32597 |
| 08/27/1997 | Environmental Protection Agency - Region 9 | Puente Valley Steering Committee | Overheads fr 8/27/97 EPA presentation to Puente Valley Steering Committee | 32612 |
| 08/27/1997 | Puente Valley Steering Committee | - | Overheads fr 8/27/97 Puente Valley Steering Committee presentation, proposed early data collection program | 32620 |
| 09/16/1997 | Eugenia Chow / Environmental Protection Agency - Region 9 | T 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 costs | 32658 |
| 10/03/1997 | Environmental Protection Agency - Region 9 | - | Agenda & sign-in sheet, 10/3/97 Puente Valley Steering Committee/EPA meeting | 32613 |
| 10/28/1997 | T R W, Inc Robert Walter / Puente Valley Steering Committee | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Comments of Puente Valley Steering Committee to EPA National Remedy Review Board on Puente Valley OUFS, w/attch | 32665 |
| 10/29/1997 | Carl Burnett / City of Industry - Urban-Development Agency | Environmental Protection Agency - National Remedy Review Board Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Comments of City of Industry & its redevelopment agency Industry Urban-Development Agency on Puente Valley OUFS, w/resume of D Howard & comments | 32664 |
| 10/30/1997 | Karen Caffee / McCutchen, Doyle, Brown & Enersen (Attorneys) | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Comments of Rathon Corp (formerly Diversey Corp) on Puente Valley OU interim RI/FS FS dated 5/30/97, w/attch | 32666 |
| 10/30/1997 | Carol Williams / Main San Gabriel Basin Watermaster | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Comments on draft FS, Puente Valley OU | 32667 |
| 10/30/1997 | Michael Whitehead / San Gabriel Valley Water Co | Eugenia Chow / Environmental Protection Agency - Region 9 | Ltr: Comments on remedial alternatives in Puente Valley OU final FS rpt dated 5/30/97 | 32668 |
| 11/24/1997 | Eugenia 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 Industry | 32663 |
| 12/10/1997 | Environmental Protection Agency - Region 9 | - | Guidance documents for Puente Valley OU administrative record | 32669 |
| 12/18/1997 | Bruce Means / Environmental Protection Agency - National Remedy Review Board | Keith Takata / Environmental Protection Agency - Region 9 | Memo: National Remedy Review Board recommendations on proposed remedial action (RA) for Puente Valley OU | 33168 |
| 12/30/1997 | Keith Takata / Environmental Protection Agency - Region 9 | Bruce Means / Environmental Protection Agency - National Remedy Review Board | Memo: Response to 12/18/97 National Remedy Review Board recommendations on Puente Valley OU | 33167 |
| 01/01/1998 | Environmental Protection Agency - Region 9 | - | Fact sheet: Proposed plan, Puente Valley OU | 32672 |
| 01/28/1998 | Environmental Protection Agency - Region 9 | - | Transcript of proceedings, Puente Valley OU community meeting 1/28/98 | 34065 |
| 02/01/1998 | Environmental Protection Agency - Region 9 | - | Fact sheet: Proposed plan, Puente Valley OU | 33768 |
| 05/04/1998 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Mouth of valley investigation, Puente Valley OU (attch only) - selected VOC concentrations fr 1997 & 1998 sampling, shallow zone | 50725 |
| 05/04/1998 | Camp Dresser & McKee, Inc | Puente Valley Steering Committee | Mouth of valley investigation, Puente Valley OU, w/o attch | 50620 |
| 09/01/1998 | Environmental 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 |
| 09/14/1998 | Dennis 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 cleanup | 39880 |
| 06/23/1999 | San Gabriel Valley Tribune, Inc | - | Public notice: EPA announces availability of ROD for Puente Valley OU, w/invoice & advertising order | 80642 |