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Administrative Record Index

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The documents contained in this administrative record (AR) were used by the U.S. Environmental Protection Agency in identifying appropriate remedial activities for use at the Del Amo Superfund site Waste Pits Operable Unit in Los Angeles, California. Key documents in this administrative record are EPA’s proposed plan (AR 618 and AR 619), the Record of Decision package (AR 620), which includes the Record of Decision (ROD) and EPA’s response to comments, and the Explanation of Significant Differences Del Amo Proposed Superfund Site, Operable Unit 2-Waste Pits (AR 758). The list of U.S. Environmental Protection Agency guidance documents which were considered or relied upon in the selection of the remedy are documents AR 186 and AR 615. Copies of the guidance documents are contained in the Compendium of CERCLA Response Selection Guidance Documents located in the Region 9 Superfund Records Center. The administrative record has been added to as documents have become available. The original file was compiled on February 24, 1994; Supplement 1 was added on November 21, 1996; Supplement 2 was added on December 11, 1996; Supplement 3 was added on September 26, 1997; Supplement 4 was added on June 18, 2002; and Supplement 5 was added on August 15, 2002. Each compilation is arranged in ascending chronological order, with undated documents at the beginning of each sequence. Each document has been assigned a unique identification number. For ease of use, the indexes have been combined to produce a cumulative index that is presented in ascending chronological order. August 15, 2002

List of Abbreviations and Acronyms Used in Administrative Record Index

Abbreviation Meaning AOC Administrative Order on Consent API/NGWA American Petroleum Institute/National Ground Water Association ARAR Applicable or Relevant and Appropriate Restriction (or Requirement) BRCR Baseline Risk Characterization Report CA State of California CADOHS California Department of Health Services CERCLA Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (Superfund) CH2M CH2M Hill - Environmental Consultant DDT Dichlorodiphenyltrichloroethane DTSC California Department of Toxic Substances Control EPA Environmental Protection Agency ESAT Environmental Services Assistance Team ESB Environmental Support Branch ESI Expanded Site Inspection FFS Focused Feasibility Study FOIA Freedom of Information Act FS Feasibility Study FSP Field Sampling Plan GP GP Holdings (company) ICF ICF Technology Corporation METI ManTech Environmental Technology, Inc. NAPL Non-Aqueous Phase Liquid NPL National Priorities List ORD EPA - Office of Research & Development OU Operable Unit PRG Preliminary Remediation Goal PRP Potentially Responsible Party QAMS Quality Assurance Management Staff QAPP Quality Assurance Project Plan QA/QC Quality Assurance/Quality Control RA Remedial Action RCRA Resource Conservation and Recovery Act RI Remedial Investigation RI/FS Remedial Investigation/Feasibilty Study ROC Record of Communication SAP Sampling & Analysis Plan SAS Special Analytical Services SOW Statement of Work SVE Soil Vapor Extraction SVOC Semivolatile Organic Chemical TL Transmittal Letter US United States VOC Volatile Organic Compound WEFS Waste Evacuation Feasibility Study WEFS/FFS Waste Evacuation Feasibility Study/Focused Feasibility Study non-CLP Non-Contract Lab Program w/o without w/ with & and attch attachment encl enclosure fr from ltr letter mtg meeting rpt report v volume rev revision ATSDR Agency for Toxic Substances and Disease Registry (U.S. Dept. of Health Services) DM Dames & Moore GATX GATX Corporation PHEE Public Health & Environmental Evaluation WA Work Assignment

Administrative Record Index

Doc Date Author / Auth. Affiliate Addressee / Addr. Affiliate Subject Roll # Frame # AR # Doc ID 0000/00/00 Cynthia Babich / Del Amo Action Committee Jane Harman / US House of Representatives - Office of Jane Harman Ltr: Health & relocation concerns of residents living near Del Amo site, w/o encls 007 0001 0187 0639-93181 0000/00/00 Robin Hatch, Resident US Congress Ltr: Discusses health concerns, & requests that Congress introduce legislation allowing EPA authority to relocate residents, w/env 007 0004 0188 0639-93182 0000/00/00 Ameripure - Amerisorb PA-700 vapor phase adsorption system 017 0001 0621 0639-96442 0000/00/00 - - Excerpt fr workplan, Defense Fuel Support Point, San Pedro (vapor treatment, phytoremediation, alternative technologies), w/marginalia 017 0004 0622 0639-96753 1972/09/22 Ken O'Brien & Assoc C C & F Western Development Co Inc Preliminary site investigation, proposed industrial park development, Shell Chemical plant property, Torrance CA 001 0001 0001 0639-02332 1983/11/08 Dames & Moore Cadillac Fairview/California Inc Final technical proposal, site investigation & remedial actions study, Torrance CA, w/TL 001 0136 0002 0639-02602 1984/06/00 Dames & Moore Irell & Manella (Attorneys) Interim summary of findings, Del Amo site investigation, w/TL 6/15/84 001 0258 0003 0639-02355 1984/06/00 CA Dept of Health Services - Project summary, completion of remedial activities, Lot 37, w/levels of contaminants & sampling programs 001 0715 0004 0639-02490 1985/08/20 Woodward-Clyde Consultants CA Dept of Health Services RI/FS rpt 001 0736 0005 0639-02356 1985/10/09 CA Dept of Health Services - Press Release: Reprints 10/4/85 ltr fr K Kizer in response to 8/26/85 ltr fr Mayor Tom Bradley re site (News News, 10/9/85) 001 0819 0006 0639-02489 1986/09/00 CA Dept of Health Services - Toxic Substances Control Div - Fact sheet: Del Amo site update, v1 001 0826 0007 0639-92595 1987/10/02 Woodward-Clyde Consultants CA Dept of Health Services FS, task 2 final rpt, additional data acquisition & interpretation, v1 001 0831 0008 0639-02606 1987/10/02 Woodward-Clyde Consultants CA Dept of Health Services FS, task 2 final rpt, additional data acquisition & interpretation, v2 001 0996 0009 0639-02607 1988/01/00 CA Dept of Health Services - Epidemiological Studies Section - Fact Sheet: Del Amo/Montrose sites - DHS announces health study results 001 1335 0010 0639-92596 1989/05/00 M Finkbeiner / Lockheed Engineering & Sciences Co Environmental Protection Agency - Region 9 Aerial photographic analysis of Del Amo site 001 1340 0011 0639-02345 1989/05/31 Kelly Hranac / Ecology & Environment, Inc Environmental Protection Agency - Region 9 Geology of Torrance vicinity 001 1371 0012 0639-02349 1989/06/30 Kelly Hranac / Ecology & Environment, Inc Environmental Protection Agency - Region 9 CERCLA expanded site inspection (ESI) 001 1418 0013 0639-02350 1990/03/08 Dames & Moore G P Holdings, Inc Final draft RI rpt, submitted to CA Dept of Health Services, w/note stating draft was revised & finalized on 4/4/90 001 1526 0014 0639-02711 1990/04/04 Dames & Moore CA Dept of Health Services - Toxic Substances Control Div RI rpt, w/TL 4/4/90 001 1744 0015 0639-02354 1990/07/00 CA Dept of Health Services - Toxic Substances Control Div - Fact sheet: Del Amo site hazardous waste investigation 001 1958 0016 0639-92597 1991/01/08 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits schematic diagrams of site, discussed in 1/8/91 mtg, & requests that copies be distributed to any interested PRPs, w/o diagrams 001 1963 0017 0639-92561 1991/03/29 Kevin Wolka / Geraghty & Miller, Inc Charles Meyer / US Dept of Justice Ltr: Quantity of petroleum hydrocarbons in waste pits, w/references 001 1965 0018 0639-02383 1991/03/30 James Titmas / James A Titmas & Assoc, Inc Charles Meyer / US Dept of Justice Ltr: Provides re-creation of probable scenario re industrial wastes production at site, w/waste analysis 3/91, bibliography, findings & drawings 001 1980 0019 0639-02384 1991/04/01 Dames & Moore G P Holdings, Inc Baseline health risk characterization, revision 3, prepared for GP Holdings, Dow Chemical & Shell Oil 001 1999 0020 0639-02880 1991/05/00 Dames & Moore CA Dept of Health Services Draft FS rpt, v1 001 2152 0021 0639-02622 1991/05/00 Dames & Moore CA Dept of Health Services Draft FS rpt, v2 002 0001 0022 0639-02623 1991/07/03 Geraghty & Miller, Inc - In-situ biological remediation alternative review, visual presentation to State of CA, prepared for Del Amo site PRP group 002 0663 0023 0639-02352 1991/07/22 Gene Barber / TechLaw, Inc Park Espenschade / Science Applications International Corp Ltr: Summarizes title analysis of Cadillac Fairview ownership of site, (Redacted - FOIA ex 5) 002 0697 0024 0639-02549 1991/07/29 Federal Register (Periodical) - National priorities list for uncontrolled hazardous waste sites, proposed rules (Federal Register, v56, #145, pp 35840-35846) 002 0709 0025 0639-02909 1991/08/05 Judith Parker / CA Dept of Health Services John Dudley / Dames & Moore Ltr: Review of documentation/justification for changes made to revision of 4/1/91 baseline health risk characterization rpt (BRCR), w/memo 6/19/91 002 0717 0026 0639-02380 1991/08/12 Thomas Dunkelman / Environmental Protection Agency - Region 9 Alice Gimeno / CA Dept of Health Services - Toxic Substances Control Div Ltr: EPA general & specific comments on draft feasibility study (FS) rpt, w/comments 002 0727 0027 0639-02496 1991/08/13 Jose Fernandez / Dames & Moore Julia Bussey / CA Dept of Health Services - Toxic Substances Control Div Ltr: Transmits Ecova Corp 7/8/91 revised final rpt bench-scale bioremediation treatability studies of soil, w/rpt & modifications 002 0742 0028 0639-02351 1991/08/23 Jerry Clifford / Environmental Protection Agency - Region 9 Frank Richardson / Shell Oil Co Ltr: General notice/104(e), w/information request & mail receipts #P678-973-369 002 0835 0029 0639-02368 1991/08/23 Jerry Clifford / Environmental Protection Agency - Region 9 James Bullock / Cadillac Fairview/California Inc Ltr: General notice, w/mail receipt #P-678-973-368 002 0842 0030 0639-92523 1991/08/23 Jerry Clifford / Environmental Protection Agency - Region 9 Frank Popoff / Dow Chemical Co Ltr: General notice, w/mail receipts #P-678-973-367 002 0847 0031 0639-92524 1991/08/23 Jerry Clifford / Environmental Protection Agency - Region 9 Clyde Pierce / US General Services Administration Ltr: General notice, w/mail receipt #P-678-973-366 002 0852 0032 0639-92525 1991/09/04 CA Dept of Health Services - Toxic Substances Control Div Alice Gimeno / CA Dept of Health Services - Toxic Substances Control Div Memo: Concentration of benzene in gw, w/evaluation of potential for benzene migration to gw fr buried contaminant source, draft model & data 002 0857 0033 0639-02498 1991/10/18 John Hinton / CA Dept of Health Services - Toxic Substances Control Div David Robertson / G P Holdings, Inc Ltr: Notice of final determination of non-compliance with order #87/88-041, w/State & EPA technical review comments on FS rpt 002 0903 0034 0639-02495 1991/10/29 Environmental Protection Agency - Region 9 - Agenda for site mtg with representatives of PRPs, held 10/29/91, w/list of attendees 002 0920 0035 0639-93321 1991/12/04 Jerry Clifford / Environmental Protection Agency - Region 9 James Bullock / Cadillac Fairview/California Inc Ltr: Special notice, w/mail receipt #P-678-973-357, w/o statement of work or draft adminstrative order 002 0924 0036 0639-92518 1991/12/04 Jerry Clifford / Environmental Protection Agency - Region 9 Clyde Pierce / US General Services Administration Ltr: Special notice, w/mail receipt #P-678-973-361, w/o statement of work or administrative order 002 0930 0037 0639-92519 1991/12/04 Jerry Clifford / Environmental Protection Agency - Region 9 Frank Popoff / Dow Chemical Co Ltr: Special notice, w/mail receipts #P-678-973-359, w/o statement of work or administrative order 002 0936 0038 0639-92520 1991/12/04 Jerry Clifford / Environmental Protection Agency - Region 9 Frank Richardson / Shell Oil Co Ltr: Special notice, w/mail receipts #P-678-973-360, w/o statement of work (SOW) or administrative order 002 0942 0039 0639-92521 1992/01/21 Keith Takata / Environmental Protection Agency - Region 9 President / Uniroyal, Inc Ltr: General notice, w/mailing list, 9/90 current site plan map, & mail receipts #P-125-845-387 002 0948 0040 0639-02376 1992/01/21 Environmental Protection Agency - Region 9 Thomas Barrett / Goodyear Tire & Rubber Co Ltr: General notice, p1, w/o fig 1, w/mail receipts #P-125-845-403 002 0956 0041 0639-92551 1992/01/21 Environmental Protection Agency - Region 9 Allen Jacobson / 3 M Co Ltr: General notice, p1, w/o fig 1, w/mail receipts #P-125-845-383 002 0959 0042 0639-92552 1992/05/00 Bechtel Environmental, Inc Environmental Protection Agency - Region 9 Draft technical memo: Data quality objectives (DQOs) for baseline risk assessment, w/attchs 002 0962 0043 0639-02347 1992/05/00 Environmental Protection Agency - Region 9 - Fact sheet: EPA reaches agreement at Del Amo site - sampling program to begin, w/copy in Spanish 002 1010 0044 0639-02394 1992/05/06 Sydney Rooks / Dow Chemical Co Jeannie Cervera / Environmental Protection Agency - Region 9 Ltr: Transmits executed signature page to settle EPA & State of CA claim for costs, & undertake RI/FS with Shell Oil, w/o encl 002 1019 0045 0639-92516 1992/05/07 Environmental Protection Agency - Region 9 - Admin order on consent for RI/FS & focused feasibility study (FFS), docket #92-13, w/statement of work (SOW), schedule of deliverables & TL 5/14/92 002 1021 0046 0639-02390 1992/05/07 Daniel Lungren / CA Dept of Justice Jeannie Cervera / Environmental Protection Agency - Region 9 Ltr: Transmits signature page for administrative order on consent (AOC) signed 5/6/92 by W Soo Hoo, w/encl 002 1106 0047 0639-92664 1992/05/11 Environmental Protection Agency - Region 9 - Press Release EPA reaches agreement on proposed Superfund site 002 1109 0048 0639-93320 1992/05/29 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co TL: Data quality objectives (DQOs) for baseline risk assessment 002 1112 0049 0639-92513 1992/06/00 Bechtel Environmental, Inc Environmental Protection Agency - Region 9 Technical memo: Preliminary remediation goals (PRGS) for soils, w/memo 6/3/92 to T Dunkelman fr J Smith 002 1114 0050 0639-02346 1992/06/00 Bechtel Environmental, Inc Environmental Protection Agency - Region 9 Technical memo #1: Exposure assessment for baseline risk assessment 002 1144 0051 0639-02348 1992/06/02 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Pursuant to administrative order #92-13, transmits personnel names, titles & qualifications of Dames & Moore site project team, w/encls 002 1170 0052 0639-02361 1992/06/02 Environmental Protection Agency - Region 9 - Agenda for RI/FS & focused FS project kickoff mtg, & proposed schedule for quarterly project mtgs with PRPs, w/well results & map 002 1203 0053 0639-02363 1992/06/15 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co TL: Preliminary remediation goals (PRGs) for soils 002 1215 0054 0639-92509 1992/06/22 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Requests review & concurrence re transport & temporary storage of investig-derived waste associated with RI/FS & focused FS 002 1217 0055 0639-92630 1992/06/23 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Comments re draft tech memo data quality objectives for baseline risk assessment 5/92, w/level 3 data validation package procedures 002 1220 0056 0639-02415 1992/06/29 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co TL: Exposure assessment for baseline risk assessment, w/marginalia 002 1267 0057 0639-92504 1992/07/10 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 7/10/92 quarterly progress rpt #1 - RI/FS & focused feasibility study (FFS), 2nd quarter 1992, & request for comments, w/rpt 002 1269 0058 0639-02411 1992/07/15 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Response to 6/23/92 ltr fr Shell Oil re comments on EPA tech memo re data quality objectives (DQOs) for baseline risk assessment 002 1276 0059 0639-92627 1992/07/17 Shell Oil Co - Summary minutes from Del Amo project quarterly mtg, held on 7/14/92, w/mtg agenda, mtg attendance sheet, & TL to T Dunkelman fr W Duchie 7/17/92 002 1279 0060 0639-02408 1992/07/30 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Dow & Shell comments on 6/92 tech memo #1 re exposure assessment for baseline risk assessment, & 6/92 tech memo re PRGs for soils 002 1287 0061 0639-92624 1992/08/00 Environmental Protection Agency - Region 9 - Fact sheet: EPA to hold community mtg to describe upcoming activities at Del Amo site, w/copy in Spanish 002 1291 0062 0639-02393 1992/08/10 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: EPA comments on 7/9/92 focused FS workplan, w/comments fr EPA, Bechtel, EPA QAMS, EPA ORD & memo 11/1/92 fr EPA-8 re policy 002 1300 0063 0639-02405 1992/08/14 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits ICF Technology Corp memos summarizing deficiencies of 4 Dames & Moore data packages, w/memos 002 1344 0064 0639-02403 1992/09/09 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Confirms agreements between Respondents & EPA to deviate fr conditions of 5/7/92 administrative order #92-13 002 1363 0065 0639-92615 1992/09/14 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits 2 data validation rpts- case #703018, memo #5 re volatiles, 8/27/92, & case #294-3-1,2, memo #6 re volatiles, 9/3/92, w/rpts 002 1365 0066 0639-02401 1992/09/14 Dames & Moore Environmental Protection Agency - Region 9 Focused feasibility study (FFS) workplan, v1 002 1396 0067 0639-02625 1992/09/14 Dames & Moore Environmental Protection Agency - Region 9 Focused feasibility study (FFS) workplan, v2 002 2091 0068 0639-02626 1992/09/18 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: EPA grants contingent approval of 9/14/92 focused feasibility study (FFS) workplan, revised 8/10/92 with EPA comments 002 2597 0069 0639-92609 1992/09/21 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits specific & general EPA comments & EPA Quality Assurance Management Section comments re 8/12/92 draft RI/FS workplan, w/encls 002 2601 0070 0639-02400 1992/09/23 CA Environmental Protection Agency - Dept of Toxic Substances Control Karen Baker / CA Environmental Protection Agency - Dept of Toxic Substances Control Draft comments re draft RI/FS workplan, w/2 fax TLs 9/24/92 to T Dunkelman fr A Gimeno & p 11 of draft comments 002 2625 0071 0639-02904 1992/09/24 John Dudley / Dames & Moore William Duchie / Shell Oil Co Quarterly progress rpt #2, RI/FS & focused feasibility study (FFS), 3rd quarter, admin order #92-13, w/TL 9/24/92, w/o 9/29/92 project mtg agenda 002 2666 0072 0639-02388 1992/09/24 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits summary of comments, edited by EPA, fr CA Dept of Toxic Substances Control re draft RI/FS workplan, w/comments 002 2679 0073 0639-92608 1992/09/28 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Responses to 9/18/92 ltr fr EPA re EPA comments & contingent approval of focused feasibility study (FFS) workplan, w/responses (faxed copy) 002 2686 0074 0639-02398 1992/09/28 CA Dept of Health Services - Toxic Substances Control Div Karen Baker / CA Dept of Health Services - Toxic Substances Control Div Memo: General & specific comments re 8/12/92 draft RI/FS workplan 002 2701 0075 0639-02501 1992/09/29 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: EPA grants final approval of 9/14/92 focused feasibility study (FFS) workplan (pit site), as amended by 9/28/92 ltr fr Shell Oil 002 2738 0076 0639-92587 1992/10/23 Dames & Moore - Focused investig of NAPL monitoring well P-1 rpt, prepared for Del Amo participants, w/TL 10/23/92 007 0007 0189 0639-02631 1992/10/30 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits RI/FS workplan app C revision package & responses to comments made by ICF on admin order #92-13 RI/FS workplan, w/encls 002 2740 0077 0639-92600 1992/11/05 Environmental Protection Agency - Region 9 - Mtg agenda: Focused FS mtg with Shell & Dow, w/handouts (well MW-20 investig update, WEFS & phase 1 treatability findings, etc) 002 2747 0078 0639-02395 1992/11/19 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits prelim EPA comments re revised RI/FS workplan, w/comments, figure & 11/11/92 technical review re RI/FS workplan (faxed 11/19/92) 002 2768 0079 0639-02652 1992/11/20 Dames & Moore Environmental Protection Agency - Region 9 Draft waste excavation feasibility study (WEFS) rpt 003 0001 0080 0639-02712 1992/11/20 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits draft waste excavation feasibility study (WEFS) rpt, & requests review & comment per terms of AOC, docket #92-13, w/o draft 003 1006 0081 0639-92750 1992/12/10 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmittal of Torrance & Carson Public Library repository inventory for Del Amo project documents, w/attchs 1 & 2 (inventories) 003 1008 0082 0639-02650 1992/12/22 I C F Technology, Inc Environmental Protection Agency - Region 9 Photos (98): Central & Southern Corridor pipeline excavations taken 11/92-12/92, includes Mobil, Chevron, Dow, GATX & Santa Fe Pacific pipelines 007 0435 0190 0639-02225 1992/12/22 CA Environmental Protection Agency - Dept of Toxic Substances Control Alice Gimeno / CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: Comments re draft waste excavation feasibility study (WEFS) (faxed) 003 1015 0083 0639-92753 1992/12/30 Douglas Lindelof / I C F Technology, Inc Thomas Dunkelman / Environmental Protection Agency - Region 9 Memo: Review of 12/11/92 Bechtel FSP - split sampling plan for tech support of oversight/remediation activities, investig phase 1 003 1018 0084 0639-02806 1993/01/13 CA Environmental Protection Agency - Dept of Toxic Substances Control - Draft comments re draft waste excavation feasibility study (WEFS) rpt, w/fax TL 1/13/93 to T Dunkelman fr A Gimeno 003 1022 0085 0639-02910 1993/01/17 Environmental Protection Agency - Region 9 C H 2 M Hill Draft chemicals of potential concern rpt 003 1035 0086 0639-02903 1993/01/22 Hedy Ficklin / Environmental Protection Agency - Region 9 Thomas Dunkelman / Environmental Protection Agency - Region 9 Memo: Notification that revised RI/FS workplan has been reviewed & approved 003 1050 0087 0639-02813 1993/01/25 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: EPA grants contigent approval of RI/FS workplan (revised 1/93) & notification that approval is subject to resolution of listed issues 003 1052 0088 0639-92738 1993/02/00 CA Dept of Health Services - Fact sheet: Your health & Del Amo site - findings fr DHS health assessment 003 1056 0089 0639-92842 1993/02/10 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 4th quarter progress rpt #3 for RI/FS & focused feasibility study (FFS), 9/23/92-1/22/93, w/rpt & 2/17/93 draft mtg agenda 003 1061 0090 0639-02641 1993/02/11 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits EPA & CA Dept of Health Services comments re 11/20/93 draft waste excavation feasibility study (WEFS) rpt, w/comments 003 1130 0091 0639-02647 1993/02/16 Jane Riggan / CA Dept of Health Services Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits prelim (draft) CADOHS public health assessment, w/draft, public notice & 2/93 your health & site - findings fr health assessment 003 1153 0092 0639-02643 1993/02/17 Environmental Protection Agency - Region 9 - Attendees list & draft agenda for 2/17/93 EPA mtg with Shell & Dow, w/site access agreements status & 2/8/93 activities & deliverables 003 1227 0093 0639-02638 1993/02/25 Dames & Moore Environmental Protection Agency - Region 9 RI/FS workplan, v1, w/attch 1 003 1234 0094 0639-02632 1993/02/25 Dames & Moore Environmental Protection Agency - Region 9 RI/FS workplan, v2 004 0001 0095 0639-02633 1993/02/26 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 2/26/93 draft RI/FS workplan addendum, generalized scope, for review prior to 3/8/93 mtg, w/draft 004 0933 0096 0639-02642 1993/03/05 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits EPA comments re 1/18/93 phase 1 treatability study evaluation rpt, & requests revision, w/comments 004 0951 0097 0639-02646 1993/03/08 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 12/3/90 treatability study (stabilization & fixation of soils) for CA State Superfund site, w/rpt 004 0958 0098 0639-02645 1993/03/12 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Review of addendum to RI/FS workplan & transmittal of comments which should be addressed in revised workplan addendum, w/comments 004 0994 0099 0639-92727 1993/03/15 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: EPA grants final approval of RI/FS workplan, as revised 2/25/93 004 0998 0100 0639-92732 1993/03/19 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Confirms schedule for submittal of several deliverables discussed during mtgs on 2/17/92 & 3/8/93 004 1000 0101 0639-92769 1993/03/22 Dames & Moore Shell Oil Co Addendum to RI/FS workplan, submitted in response to administrative order #92-13, w/figures 1-6 re sampling locations 004 1002 0102 0639-02857 1993/03/22 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: In accordance with AOC 92-13, transmits addendum to RI/FS workplan & response to 3/12/93 EPA comments re addendum, w/comments, w/o addendum 004 1025 0103 0639-92870 1993/03/29 Dames & Moore Shell Oil Co Technical memo #1, identification of remedial technologies, focused FS, submitted to US EPA, w/TL 3/29/93 004 1029 0104 0639-02878 1993/04/00 C H 2 M Hill Environmental Protection Agency - Region 9 Health & safety plan for RI/FS field oversight, w/TL 5/7/93 to T Dunkelman fr U Singh 004 1102 0105 0639-02793 1993/04/01 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits response to 3/30/93 EPA comments re 3/22/93 addendum to RI/FS workplan, w/comments, w/o materials to be inserted into addendum 004 1164 0106 0639-92768 1993/04/02 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits Dames & Moore 4/2/93 summary re feasibility of using soil vapor extraction to remove volatile organic compounds from waste, w/encl 004 1167 0107 0639-02697 1993/04/02 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Notification that Shell will be submitting EPA approved docs to the Carson & Torrance library repositories on 4/8/93 004 1176 0108 0639-92763 1993/04/05 Dames & Moore Environmental Protection Agency - Region 9 Phase 1, treatability study evaluation rpt 004 1178 0109 0639-02687 1993/04/05 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits phase 1 - treatability study evaluation rpt & 4/5/93 responses to EPA comments to same rpt, w/comments, w/o rpt 004 2482 0110 0639-02688 1993/04/05 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 4/5/93 responses to EPA comments re 1/18/93 draft phase 1 treatability study evaluation rpt, w/comments & rpt inserts 004 2507 0111 0639-02707 1993/04/06 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Notification that EPA approves of addendum to RI/FS workplan as revised on 3/22/93 & as modified by 4/1/93 ltr fr Shell 004 2532 0112 0639-92764 1993/04/06 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Notification of approval of 4/5/93 phase 1 - treatability study evaluation rpt 004 2534 0113 0639-92765 1993/04/14 Dames & Moore William Duchie / Shell Oil Co Quarterly progress rpt #4, RI/FS & focused feasibility study (FFS), covers 1/23/93-3/31/93, w/TL 004 2536 0114 0639-02710 1993/04/15 William Duchie / Shell Oil Co Jane Riggan / CA Dept of Health Services Ltr: Transmits 4/15/93 review comments by Shell Oil & Dow Chemical re CA Dept of Health Services draft prelim public health assessment, w/comments 004 2670 0115 0639-02696 1993/04/15 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: P-1 NAPL source area analysis, w/figures (soil gas & gw conditions, shallow soil locations & compound concentrations), table & memo 4/2/93 007 0487 0191 0639-02703 1993/04/16 Dames & Moore Shell Oil Co Waste excavation feasibility study (WEFS) rpt, revised to reflect 2/11/93 EPA comments, submitted to US EPA, w/TL 4/16/93 005 0001 0116 0639-02855 1993/04/21 Environmental Protection Agency - Region 9 - Mtg agenda (draft): Quarterly project mtg with Shell & Dow, w/handouts 005 0947 0117 0639-03464 1993/04/23 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transferability of results fr trial excavation at Westminster, & transmits 4/21/93 draft "red flag" review - Westminster site, w/encl 005 0975 0118 0639-02701 1993/05/00 Environmental Protection Agency - Washington, D C - National Priorities List (NPL) - Del Amo Pits site, site description 005 0986 0119 0639-92867 1993/05/10 Federal Register (Periodical) - Proposed rule - NPL list re proposal to change name of site (Federal Register, v58, #88, pp 27507-27514), w/TL 5/14/93 fr T Dunkelman to L Nelson 005 0988 0120 0639-02698 1993/05/10 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 5/10/93 tech memo #2 re identification & screening of remedial alternatives, w/encl 005 0998 0121 0639-02708 1993/05/18 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits response to EPA comments re 2/11/93 waste excavation feasibility study (WEFS) rpt, w/comments 005 1073 0122 0639-02700 1993/05/18 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits responses to 2/11/93 EPA comments on 11/20/92 draft waste excavation feasibility study (WEFS) rpt, w/comments 005 1092 0123 0639-02850 1993/06/02 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits EPA comments on 3/29/93 tech memos #1 & #2 re identification & screening of remedial technologies & alternatives, w/comments 005 1111 0124 0639-02840 1993/06/10 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 6/10/93 revised draft focused residential area sampling & analysis plan which addresses EPA commments, w/o plan 005 1128 0125 0639-92863 1993/06/22 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits EPA & CA Dept of Health Services comments re 6/10/93 draft focused residential area sampling & analysis plan (SAP), w/comments 005 1130 0126 0639-02839 1993/07/07 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits responses to EPA & CA Dept of Health comments re draft residential area sampling & analysis plan, w/comments & tech note 7/7/93 005 1140 0127 0639-02838 1993/07/09 Dames & Moore Environmental Protection Agency - Region 9 Draft addendum #2 RI/FS workplan, w/TL to T Dunkelman fr W Duchie 7/9/93 007 0507 0192 0639-02958 1993/07/12 Thomas Dunkelman / Environmental Protection Agency - Region 9 Bill Nelson / US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry Ltr: Transmits table outlining EPA proposed action levels for backyard soil sampling, w/table 005 1150 0128 0639-92857 1993/07/13 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Duchie / Shell Oil Co Ltr: Transmits EPA comments re 4/16/93 waste excavation feasibility study (WEFS), w/comments 005 1153 0129 0639-02841 1993/07/19 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: In accordance with administrative order #92-13, C Paine has been designated as Project Coordinator for Respondents (Shell Oil & Dow Chemical) 005 1164 0130 0639-92859 1993/07/21 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Confirms agreements reached in phone conversations on 7/12/93 & 7/13/93 re RI work planned for weeks of 7/19/93 & 8/9/93 005 1166 0131 0639-92858 1993/07/26 William Duchie / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Confirmation that EPA has granted Respondents additional time, until 8/9/93, to submit draft focused feasibility study (FFS) rpt 005 1169 0132 0639-92856 1993/07/26 Nancy Lindsay / Environmental Protection Agency - Region 9 John Scandura / CA Dept of Health Services - Toxic Substances Control Div Ltr: Request for assistance in identifying applicable or relevant & appropriate requirements (ARARs) under CA law for remedial alternatives 005 1171 0133 0639-92860 1993/08/00 Environmental Protection Agency - Region 9 - Public Notice: EPA to collect soil samples fr backyards of homes near Del Amo Site 007 0619 0193 0639-91275 1993/08/06 Stanford Smucker / Environmental Protection Agency - Region 9 mailing list Memo: Region 9 preliminary remediation goals (PRGs), 3rd quarter 1993, w/updated PRG tables 005 1174 0134 0639-02834 1993/08/06 Ron Humes / Dames & Moore Thomas Dunkelman / Environmental Protection Agency - Region 9 ROC: Sequence of analytical events for chromium analysis of residential area surface soil samples, proposed during 8/6/93 conference call, (faxed) 005 1204 0135 0639-92854 1993/08/06 Thomas Dunkelman / Environmental Protection Agency - Region 9 Bill Nelson / US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry Ltr: Transmits revised table outlining EPA proposed action levels for backyard soil sampling, w/table 005 1207 0136 0639-92855 1993/08/10 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Concurrence with revised EPA proposed "action levels" for backyard sampling 005 1211 0137 0639-92852 1993/08/12 William Nelson / US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Concurrence with action levels & planned response actions EPA will conduct at site for backyard sampling 005 1213 0138 0639-92853 1993/08/13 John Dudley / Dames & Moore Chuck Paine / Shell Oil Co Quarterly progress rpt #5 for RI/FS & focused feasibility study (FFS), covers 4/1/93 to 6/30/93, includes soil gas, soil & gw sampling results 005 1215 0139 0639-02860 1993/08/13 Chuck Paine / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 TL: Quarterly rpt #5, covers progress on project during 2nd quarter 1993 005 1455 0140 0639-92803 1993/08/16 Dames & Moore Shell Oil Co Focused sampling & analysis plan, surface soil sampling program, site adjacent to residential area 005 1457 0141 0639-01301 1993/08/16 Chuck Paine / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits focused sampling & analysis plan-site adjacent residential area, revised to include EPA & CADOHS comments, w/o encl 005 1500 0142 0639-92816 1993/08/19 Environmental Protection Agency - Region 9 - Community relations mailing list (Privileged - FOIA ex 6) 005 1502 0143 0639-02913 1993/08/20 Thomas Dunkelman / Environmental Protection Agency - Region 9 mailing list Ltr: Notice of residential soil sampling, selected residential homes on 204th St, w/copy of ltr in Spanish, & mailing list of homes to be sampled 005 1504 0144 0639-02862 1993/08/20 Thomas Dunkelman / Environmental Protection Agency - Region 9 mailing list Ltr: Notice of residential soil sampling, selected residential homes on 204th St, w/copy of ltr in Spanish, & mailing list for homes not sampled 005 1511 0145 0639-02863 1993/08/24 Environmental Protection Agency - Region 9 - Quarterly RI/FS mtg list of attendees, w/handouts 005 1527 0146 0639-02854 1993/08/31 Udai Singh / C H 2 M Hill Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits review comments on 8/9/93 draft focused FS (FFS) rpt, w/comments, w/o disc 007 0622 0194 0639-03181 1993/08/31 Environmental Protection Agency - Region 9 - Press Release US EPA plans soil sampling near proposed Del Amo Superfund site 005 1587 0147 0639-92841 1993/09/01 CA Environmental Protection Agency - Dept of Toxic Substances Control Omoruyi Patrick / CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: Comments on draft focused feasibility study (FFS) rpt, w/memo 8/26/93 re comments on Draft MW-20 NAPL treatability study rpt, w/TL 9/8/93 005 1590 0148 0639-02912 1993/09/20 CA Environmental Protection Agency - Dept of Toxic Substances Control Omoruyi Patrick / CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: Comments on draft focused sampling & analysis plan, w/TL 9/17/93 to T Dunkelman fr O Patrick, w/o comments on MW-20 NAPL draft study 005 1604 0149 0639-92801 1993/09/20 Thomas Dunkelman / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: EPA approves 8/16/93 draft residential area sampling & analysis plan, as amended by 9/10/93 technical note, w/o encls 005 1608 0150 0639-92810 1993/09/24 Vegas Analytical Laboratories, Inc - Data package, form 1, residential area sampling, per requirements for SAS section 6a (SAS #08107-Y-01), w/TL 9/28/93 to R Bauer fr U Joshi 005 1610 0151 0639-02884 1993/09/27 Paul Marron / Perona, Langer & Beck (Attorneys) Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Homeowners adjacent to site have concerns re EPA testing 007 0635 0195 0639-92909 1993/10/04 Thomas Dunkelman / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Transmits EPA & 9/1/93 CA Dept of Toxic Substances Control comments on 8/9/93 draft focused feasibility study (FFS) rpt, w/comments 005 1627 0152 0639-02836 1993/10/29 Dames & Moore Shell Oil Co Phase 1 RI rpt, v1, submitted to US EPA 005 1667 0153 0639-02874 1993/10/29 Dames & Moore Shell Oil Co Phase 1, RI rpt, v2, app A (site history), submitted to US EPA 005 2339 0154 0639-02875 1993/10/29 Dames & Moore Shell Oil Co Phase 1, RI rpt, v3, app B (soil borings/well completion diagrams), submitted to US EPA 005 2501 0155 0639-02876 1993/10/29 Dames & Moore Shell Oil Co Phase 1, RI rpt, v4, app C (geophysical logs), submitted to US EPA 006 0001 0156 0639-02877 1993/10/29 Dames & Moore Shell Oil Co Phase 1 RI rpt, Del Amo Study Area, v5, apps D-H 007 0638 0196 0639-03176 1993/11/04 Chuck Paine / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits quarterly progress rpt #6, RI/FS & focused feasibility study (FFS), & notification that no lab data are included, w/encl 006 0176 0157 0639-02881 1993/11/09 Environmental Protection Agency - Region 9 - Mtg agenda (final draft): EPA RI/FS quarterly project mtg with Shell & Dow, w/attendees list, stratigraphy figs & SVE system prelim design info 006 0187 0158 0639-02879 1993/11/09 Thomas Dunkelman / Environmental Protection Agency - Region 9 William Nelson / US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry Ltr: Request for assistance in evaluating health effects of residents living in vicinity of Del Amo & Montrose Chemical Superfund sites 006 0203 0159 0639-92879 1993/11/10 Diana Lee / CA Dept of Health Services Tom Dunkelman / Environmental Protection Agency - Region 9 Ltr: Del Amo residential backyard soil sample data, w/attch 007 1747 0197 0639-91272 1993/12/03 Tom Dunkelman / Environmental Protection Agency - Region 9 file -- Memo: Transmits documents summarizing results of backyard soil sampling of 9/21-23/93, w/encls 006 0206 0160 0639-01305 1993/12/03 Thomas Dunkelman / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Transmits EPA comments re phase 1 remedial investigation (RI) rpt, w/encl 006 0271 0161 0639-02897 1993/12/09 Ted Johnson / Los Angeles Times - Newsclipping: There glows the neighborhood 007 1756 0199 0639-92896 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Florencio Diaz, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site, w/copy in Spanish 006 0302 0162 0639-02886 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Felimon Arias, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site, w/copy in Spanish 006 0309 0163 0639-02887 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Yolando Herrera, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site, w/copy in Spanish 006 0316 0164 0639-02888 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Carlos Soto, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site, w/copy in Spanish 006 0323 0165 0639-02889 1993/12/10 Chuck Paine / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits response to comments on draft focused feasibility study (FFS) rpt, w/comments, w/o revised FFS rpt 006 0330 0166 0639-02902 1993/12/10 Chuck Paine / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits response to EPA comments on draft focused feasibility study rpt (FFS), & revised FFS rpt, w/comments, w/o rpt 007 1761 0200 0639-03290 1993/12/10 Dames & Moore Shell Oil Co Draft focused feasibility study (FFS) rpt 007 1789 0201 0639-03291 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Guillermo & Leticia Aguirre, residents / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site 006 0358 0167 0639-92883 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Cynthia Babich, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site 006 0362 0168 0639-92884 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Armando Lopez, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site 006 0356 0169 0639-92885 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Fred Zanudio, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site 006 0370 0170 0639-92886 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Ron Smith, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site 006 0374 0171 0639-92887 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Paul Kidwell, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site 006 0378 0172 0639-92888 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Linda Jensen, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site 006 0382 0173 0639-92889 1993/12/10 Andrew Bain / Environmental Protection Agency - Region 9 Louis Javier Samperio, resident / City of Torrance Ltr: Results of EPA backyard soil sampling for chemicals possibly related to site 006 0386 0174 0639-92890 1993/12/13 Paula Bruin / Environmental Protection Agency - Region 9 Public Press Release Soil tests results near Del Amo Pits, w/communication strategy 006 0390 0175 0639-91562 1993/12/17 Kim Kowsky / Los Angeles Times - Newsclip: Test for toxins in back yards unexpectedly turns up DDT 007 2589 0202 0639-91986 1994/01/00 Environmental Protection Agency - Region 9 - Fact sheet: EPA annnounces results of backyard soil sampling at homes adjacent to Del Amo study area (English & Spanish) 006 0396 0176 0639-01312 1994/01/07 Thomas Dunkelman / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: EPA comments re phase 1 RI data quality, w/ICF memos dated 12/20/93 & 12/21/93 re split sample results & soil gas confirmation evaluation 006 0405 0177 0639-02907 1994/01/07 CA Environmental Protection Agency - Dept of Toxic Substances Control Gloria Conti / CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: Comments re phase 1 RI rpt, w/TL 1/11/94 to T Dunkelman fr H Salloum 006 0419 0178 0639-02908 1994/01/09 Kim Kowsky / Los Angeles Times - Newsclip: Test for toxins in back yards turns up DDT, w/marginalia 007 2593 0203 0639-91850 1994/01/11 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 1/7/94 memo re comments on phase 1 RI rpt - Del Amo study area, w/encl 007 2597 0204 0639-02998 1994/01/12 US Dept of Health & Human Services - Preliminary public health assessment for Del Amo facility, Los Angeles, CA, w/TL to T Dunkelman fr W Nelson 4/5/94 008 0001 0205 0639-02927 1994/01/13 John Dudley / Dames & Moore Chuck Paine / Shell Oil Co Quarterly progress rpt #7, RI/FS & FFS, 11/1/93 to 12/31/93, admin order #92-13, w/TL 1/13/94 to T Dunkelman fr C Paine 006 0432 0179 0639-02901 1994/01/14 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Proposed state ARARs, w/memo 1/11/94 fr CA Regional Water Quality Control Board & memo 1/11/94 fr South Coast Air Quality Mgt District 006 0535 0180 0639-02911 1994/01/14 CA Environmental Protection Agency - Dept of Toxic Substances Control Gloria Conti / CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: Review & comments re 1//5/94 draft gw monitoring program, w/TL to T Dunkelman fr H Salloum 1/14/94 008 0084 0206 0639-92900 1994/01/20 Environmental Protection Agency - Region 9 - Mtg agenda: Quarterly project mtg, 1/19-20/94, w/attendees list, soil vapor extraction, MW-20 pilot program & phase 2 RI info, & phase 1 RI comments 006 0543 0181 0639-02906 1994/01/25 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Proposed state ARARs for proposed site, w/Dept of Toxic Substances Control state ARARs & 1/10/94 Dept of Fish & Game state ARARs, (faxed) 006 0555 0182 0639-02905 1994/02/03 Steve Gaytan / CA Environmental Protection Agency - Dept of Toxic Substances Control Gloria Conti / CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: Comments on draft focused feasibility study (FFS) rpt for remediation of site, w/TL 2/4/94 to T Dunkelman fr H Salloum, (faxed) 006 0569 0183 0639-02900 1994/02/04 CA Environmental Protection Agency - Dept of Toxic Substances Control Gloria Conti / CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: Comments re 12/10/93 focused feasibility study (FFS), w/TL 2/7/94 to T Dunkelman fr H Salloum 006 0576 0184 0639-02899 1994/02/04 Chuck Paine / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 1/11/94 response to ARARs comments fr Regional Water Quality Control Board & South Coast Air Quality Mgt District, w/encl, (faxed) 006 0588 0185 0639-92749 1994/02/04 John Dudley / Dames & Moore Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Respondents plan to continue to collect shallow soil gas data in accordance with accepted protocols 008 0089 0207 0639-92902 1994/02/04 Chuck Paine / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 1/11/94 response to ARARs comments fr Regional Water Quality Control Board & South Coast Air Quality Mgt District, w/encl 008 0091 0208 0639-92908 1994/02/04 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 1/14/94 memo re comments on draft gw monitoring program - Del Amo study area, w/encl 008 0097 0209 0639-92944 1994/02/04 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 2/3/94 memo re comments on draft focused FS rpt for remediation of pit site, w/encl 008 0102 0210 0639-92945 1994/02/08 Environmental Protection Agency - Region 9 - List of US EPA guidance documents consulted during development & selection of response action for site 006 0594 0186 0639-02620 1994/02/11 Thomas Dunkelman / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Transmits EPA comments & comments by K Schwinn of EPA RCRA on 12/10/93 draft focused feasibility study (FFS), w/encls 008 0109 0211 0639-92904 1994/02/15 Thomas Dunkelman / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: EPA approves 2/11/94 gw monitoring plan 008 0115 0212 0639-92905 1994/02/16 C H 2 M Hill Environmental Protection Agency - Region 9 Addendum 1 to residential FSP for residential air & indoor dust near Del Amo site, w/TL 2/21/95 to J Rosati fr U Singh & marginalia 008 0117 0213 0639-03168 1994/02/22 Udai Singh / C H 2 M Hill Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits 2/14/94 minutes re SVE strategy/Dept of Toxic Substances Control comments & 2/22/94 memo re remediation strategy, w/encls 008 0170 0214 0639-03002 1994/03/00 Environmental Protection Agency - Region 9 - Fact sheet: Montrose & Del Amo public mtg (English & Spanish) 008 0177 0215 0639-91258 1994/03/03 Rameen Moezzi / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: Case #21580, memo #01, RAS pesticides/PCBs for 1 water & 18 soil samples, collected 2/2/94, w/TL fr M Weiner to N Woo 008 0181 0216 0639-01838 1994/03/08 Margaret May / I C F Kaiser Engineers, Inc - Data validation rpt: Case #21580, memo #02, RAS pesticides/PCBs for 19 soil & 1 water sample, collected 2/1/94-2/2/94, w/TL fr M Weiner to N Woo 008 0201 0217 0639-01800 1994/03/10 Cynthia Babich / Del Amo Action Committee - Press Release Montrose & Del Amo Waste Pits- elevated DDT levels in backyard soil samples- health effects, w/estimate for replacing garden & chickens 008 0222 0218 0639-02929 1994/03/11 - - 13 transcripts of Los Angeles radio & television news coverage of site contamination, dated 3/10/94 & 3/11/94 008 0229 0219 0639-02916 1994/03/11 Chuck Paine / Shell Oil Co Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits response to comments fr EPA & CA DTSC on draft focused feasibility study (FFS) & revised pages for FFS, w/encls 008 0252 0220 0639-02931 1994/03/12 Del Amo Action Committee - Community update flyer (in English & Spanish), w/marginalia (note to A Bain) 008 0390 0221 0639-91727 1994/03/22 Environmental Protection Agency - Region 9 - Mtg agenda: Community mtg & open house, w/overheads 014 1030 0579 0639-01313 1994/03/22 Susan Keydel / C H 2 M Hill Nancy Woo / Environmental Protection Agency - Region 9 Ltr: Transmits requested sampling plan addendum, focused sampling & analysis plan, surface soil sampling area, site adjacent residential area, w/encl 008 0393 0222 0639-03115 1994/03/22 Metropolitan Digest - Los Angeles County News - Newsclipping: EPA to hold public forum on DDT found at 2 sites 008 0434 0224 0639-92895 1994/03/24 Deborah Schoch / Los Angeles Times - Newsclip: Meeting of EPA officials & residents of DDT-contaminated neighborhood 008 0438 0226 0639-91609 1994/03/24 Warren Robak / Daily Breeze (Newspaper) - Newsclipping: EPA assailed at area forum over cleanups 008 0436 0225 0639-92894 1994/03/30 Nancy Woo / Environmental Protection Agency - Region 9 Sue Keydel / C H 2 M Hill Memo: Request that enclosed comments be added to QAMS, w/memo to N Woo fr R Bauer re review of addendum to FSP 008 0441 0227 0639-93009 1994/04/00 Environmental Protection Agency - Region 9 - Fact sheet: Montrose & Del Amo town mtg 008 0445 0228 0639-91257 1994/04/01 C H 2 M Hill Environmental Protection Agency - Region 9 Addendum to 8/93 focused SAP, surface soil sampling area, Del Amo site adjacent residential area, w/TLs (phase 1 RI) 008 0450 0229 0639-01842 1994/04/05 C H 2 M Hill Environmental Protection Agency - Region 9 Revised addendum to 8/93 focused SAP, surface soil sampling area, Del Amo site adjacent residential area, w/TLs (phase 1 RI) 008 0502 0230 0639-01843 1994/04/05 Ralph Tufenkian / Western Waste Industries Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Study area security issues- local homeowners group (Del Amo Action Committee) has been calling about open gate & holes in fence 008 0521 0231 0639-92912 1994/04/05 William Nelson / US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Transmits preliminary public health assessment prepared by CA Dept of Health, w/o rpt 008 0524 0232 0639-92924 1994/04/11 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Thomas Dunkelman / Environmental Protection Agency - Region 9 Ltr: Comments re gw monitoring program - Del Amo study area 008 0526 0233 0639-92940 1994/04/19 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits partial comments re technical memorandum #1, feasibility study Del Amo study area, w/encl 008 0532 0234 0639-02997 1994/05/02 Susan Keydel / C H 2 M Hill Rich Bauer / Environmental Protection Agency - Region 9 Ltr: Transmits updated sampling plan addendum, focused SAP, surface soil sampling area, Del Amo site adjacent residential area, w/attch 008 0545 0235 0639-01844 1994/05/06 Cynthia Babich / Del Amo Action Committee Keith Takata / Environmental Protection Agency - Region 9 Ltr: Thanks for working with the Del Amo Action Committee during DDT removal, & outlines community's requests 008 0563 0236 0639-93167 1994/05/09 C H 2 M Hill Environmental Protection Agency - Region 9 Addendum 1, air quality oversight sampling to split sampling plan for technical support of oversight activities, remedial investig, phase 1 (faxed) 008 0568 0237 0639-03479 1994/05/10 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: EPA cannot approve 12/10/93 draft Del Amo Pits site- waste pit OU focused feasibility study rpt, w/memo 4/28/94 re need for additional evaluation 008 0575 0238 0639-93018 1994/05/12 Udai Singh / C H 2 M Hill Nancy Woo / Environmental Protection Agency - Region 9 Ltr: Transmits surficial soil sampling results fr residential yards near Montrose/Del Amo sites, w/memo 5/5/94, photos, & chain of custody forms 008 0581 0239 0639-03477 1994/06/00 Environmental Protection Agency - Region 9 - Fact sheet: Montrose & Del Amo town mtg 6/23/94 (in English & Spanish) 008 0592 0240 0639-91839 1994/06/01 Karen Pettit / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #22072, memo #2, RAS total metals - 4 soil samples & 1 water sample, collected 5/3/94, w/memo to N Woo fr M Weiner 008 0597 0241 0639-03112 1994/06/01 Margaret May / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #22072, memo #1, RAS semivolatiles & pesticides/PCBs- 4 soil & 1 water samples, collected 5/3/94, w/memo to N Woo fr M Weiner 008 0613 0242 0639-03113 1994/06/13 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Response to 5/10/94 ltr re EPA decision not to approve proposed Del Amo Pits site - draft waste pit OU focused FS 008 0640 0243 0639-93019 1994/06/15 Ken Hendrix / Environmental Protection Agency - Region 9 Nancy Woo / Environmental Protection Agency - Region 9 Memo: Analysis of case #R94S18, w/quality assurance review rpt 6/14/94, memo 2, volatiles/semivolatiles & case 22072 backyard soil results & narrative 008 0646 0244 0639-03128 1994/06/23 Environmental Protection Agency - Region 9 - Overheads for Montrose Chemical Superfund site & Del Amo Pits site public mtg 008 0701 0245 0639-03529 1994/06/23 Barbara Boxer / US Senate Felicia Marcus / Environmental Protection Agency - Region 9 Ltr: Increasing concerns of constituents in Del Amo neighborhood in Torrance 008 0727 0246 0639-93166 1994/06/23 Environmental Protection Agency - Region 9 - Agenda for Montrose & Del Amo Pits sites open house & town mtg 008 0730 0247 0639-93342 1994/06/29 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Access to Lot 36, Del Amo Waste Pit area 008 0732 0248 0639-92983 1994/07/05 Rameen Moezzi / I C F Kaiser Engineers, Inc Tina Diebold / Environmental Protection Agency - Region 9 Memo: Comments re sample data package submitted by CH2M Hill's Applied Sciences Lab for analysis of VOCs in air, w/sample data package 008 0734 0249 0639-03504 1994/07/06 Keith Takata / Environmental Protection Agency - Region 9 Cynthia Babich / Del Amo Action Committee Ltr: Response to 5/6/94 ltr re Del Amo Pits & Montrose Superfund sites 008 0814 0250 0639-93343 1994/07/12 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Repair & maintenance at Del Amo Waste Pit area 008 0819 0251 0639-92988 1994/07/13 Cynthia Babich / Del Amo Action Committee Barry Johnson / CA Environmental Protection Agency - Dept of Toxic Substances Control Ltr: Appeal to the Agency for Toxic Substances & Disease Registry for emergency health services including testing & physicals 008 0823 0252 0639-93168 1994/07/15 John Lyons / Environmental Protection Agency - Region 9 - Office of Regional Counsel Chuck Paine / Shell Oil Co Ltr: Proposed Del Amo site-waste pit area, w/unilateral admin order #94-16 issued to Shell & Triton Diagnostics for removal response activities 008 0825 0253 0639-02968 1994/07/15 Thomas Dunkelman / Environmental Protection Agency - Region 9 Jeff Zelikson / Environmental Protection Agency - Region 9 Action memo: Request for removal action at waste pit OU, w/figs 1 & 2 008 0853 0254 0639-02969 1994/07/15 Terra Tech Labs, Inc Andrew Austin / C H 2 M Hill Laboratory rpt, w/fax TL 7/18/94 to J Blevins & J Rosati fr P Heeb 008 0863 0255 0639-03071 1994/07/15 Tina Diebold / Environmental Protection Agency - Region 9 Howard Crist / Environmental Protection Agency - Region 9 Memo: Request for audit gas samples (SUMMA canisters) for air sampling project near Del Amo site, w/audit gas request form 008 0871 0256 0639-93010 1994/07/18 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits rpt on chronology of events of waste seep discovery & response - Del Amo Waste Pit area, w/encl 008 0875 0257 0639-03070 1994/07/22 Dames & Moore Shell Oil Co Quarterly rpt, gw monitoring program, 1st quarterly sampling event, 1994, w/TL to J Rosati fr C Paine 7/25/94 008 0888 0258 0639-02982 1994/07/22 Thomas Kearns / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Results of 7/22/94 inspection of Del Amo Waste Pit area (faxed) 008 1350 0259 0639-92989 1994/07/22 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Change in method proposed to use for analysis of ambient air, surface isolation flux chamber & soil gas samples during 8/15-20/94 sampling event 008 1353 0260 0639-93020 1994/07/29 Andrew Austin / C H 2 M Hill Udai Singh / C H 2 M Hill Memo: Del Amo field oversight, w/table 1 (quarterly gw sampling), site inspection forms 7/7/94-7/26/94, site photos 7/13/94-7/22/94 & lab rpts 7/15/94 008 1355 0261 0639-03072 1994/07/29 Dave Laney / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Memo: Summarizes 7/27 conference call, & describes response to EPA comments on 7/18/94 ambient air/soil gas characterization workplan (faxed) 008 1384 0262 0639-93022 1994/07/29 Elliott Laws / Environmental Protection Agency - Washington, D C Cynthia Babich / Del Amo Action Committee Ltr: Response to health concerns raised during 7/16/94 mtg with J Zelikson, Congresswoman Harman & E Laws, (faxed) 008 1389 0263 0639-93169 1994/08/00 Environmental Protection Agency - Region 9 - Fact sheet: Montrose site & Del Amo proposed site - soil sampling & removal (in English & Spanish) 008 1392 0264 0639-01731 1994/08/01 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits 7/29/94 memo to J Rosati fr U Singh re analytical results of Del Amo Waste Pit 2-B seepage sample, w/encl 008 1404 0265 0639-92984 1994/08/02 C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Field sampling plan (FSP) for residential air & indoor dust near Del Amo site, Torrance, LA County (7/18/94, revised 8/2/94) 008 1431 0267 0639-02264 1994/08/02 Udai Singh / C H 2 M Hill Nancy Woo / Environmental Protection Agency - Region 9 Ltr: Transmits 8/1/94 memo to U Singh fr A Austin re field oversight of fill delineation activities near Montrose & Del Amo sites, w/encls 008 1408 0266 0639-03476 1994/08/05 Jeff Zelikson / Environmental Protection Agency - Region 9 Cynthia Babich / Del Amo Action Committee Ltr: Issues of per diem & relocation raised during 7/16/94 mtg 008 1535 0268 0639-91808 1994/08/09 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: EPA comments re 7/18/94 draft ambient air/soil gas characterization workplan 008 1538 0269 0639-03139 1994/08/10 John Wise / Environmental Protection Agency - Region 9 Barbara Boxer / US Senate Ltr: Response to 6/23/94 ltr re health concerns of constituents in Del Amo neighborhood in Torrance 008 1548 0270 0639-93006 1994/08/16 Dames & Moore - Ambient air quality/soil gas characterization workplan, Del Amo Waste Pit Area 008 1551 0271 0639-03008 1994/08/16 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits response to 8/9/94 EPA comments on draft ambient air quality/soil gas characterization workplan, w/response, w/o revised workplan 008 2402 0272 0639-03140 1994/08/17 Dave Laney / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Memo: Selecting points for flux chamber sampling, w/fig (sampling location plan, 1992 downhole emission studies), (faxed) 008 2411 0273 0639-93023 1994/08/18 Douglas Lindelof / I C F Kaiser Engineers, Inc Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of draft field sampling plan (FSP), ambient air quality/soil gas characterization 008 2414 0274 0639-93024 1994/08/19 Douglas Lindelof / I C F Kaiser Engineers, Inc Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of draft quality assurance project plan for ambient air quality/soil gas characterization 008 2417 0275 0639-93025 1994/08/23 Cynthia Smith / ManTech Environmental Technology, Inc Tina Diebold / Environmental Protection Agency - Region 8 Memo: Summary of concentrations of components spiked in CH2M Hill-provided canisters previously shipped, w/marginalia (faxed) 008 2422 0276 0639-93026 1994/08/29 C H 2 M Hill Environmental Protection Agency - Region 9 Quality assurance project (QAPP) for residential tap water sampling, w/TLs 9/9/94 to Carson Public Library & Torrance Civic Center Library fr J Rosati 008 2425 0277 0639-02995 1994/08/29 C H 2 M Hill Environmental Protection Agency - Region 9 Sampling & analysis plan for residential tap water sampling, w/TLs 9/9/94 to Carson Public & Torrance Civic Center Library fr J Rosati 008 2505 0278 0639-02996 1994/08/29 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits response to EPA QAMS comments on draft FSP & draft QAPP for ambient air quality/soil gas characterization, w/encl 008 2550 0279 0639-93028 1994/08/29 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: EPA approval of Respondents 8/16/94 revised ambient air/soil gas characterization workplan, provided conditions listed are met, w/o encl 008 2555 0280 0639-93029 1994/08/31 Environmental Protection Agency - Region 9 - Mtg agenda: Town mtg & open house, w/overheads & handwritten notes 008 2558 0281 0639-01732 1994/09/07 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits replacement pages for 8/16/94 ambient air quality/soil gas characterization workplan, w/o pages, w/list of replacement pages 008 2575 0282 0639-93157 1994/09/09 Environmental Protection Agency - Region 9 - Residential air & indoor dust study- field notes, 8/29/94 - 9/9/94 008 2579 0283 0639-03136 1994/09/09 Dames & Moore - Mtg agenda for evaluation of excavation scenarios, Del Amo Waste Pits area 008 2835 0284 0639-93030 1994/09/12 Chuck Paine / Shell Oil Co John Blevins / Environmental Protection Agency - Region 9 Ltr: Thanks for attending mtg with CH2M Hill & Ed Aul, & lists requests made by Dames & Moore that must be discussed with EPA management 008 2837 0285 0639-93071 1994/10/07 Edward Aul / Edward Aul & Assoc, Inc Udai Singh / C H 2 M Hill Memo: Time & cost analyses of non-excavation scenarios in the draft focused feasibility study (FFS), w/tables 1-3 009 0001 0286 0639-03288 1994/10/07 Edward Aul / Edward Aul & Assoc, Inc Udai Singh / C H 2 M Hill Memo: Reasonable accidents scenario related to excavation scenarios 009 0011 0287 0639-03289 1994/10/17 Bijan Hagh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits 10/13/94 memo to U Singh & B Hagh fr E Aul re Del Amo excavation scenario to be used for analysis, w/memo & figs 1A-2B 009 0016 0288 0639-03169 1994/10/19 C H 2 M Hill Environmental Protection Agency - Region 9 VOC data validation rpts, residential sampling, collected 8/8/94-9/9/94, lab reference #s 7356, 7364, 7365, 7374, 7376, 7377, & 7467, w/TL 10/19/94 009 0025 0289 0639-03266 1994/10/24 C H 2 M Hill Environmental Protection Agency - Region 9 VOC data validation rpts, Del Amo waste pit oversight sampling, collected 8/17/94-9/1/94, lab reference #s 7282, 7324, 7466 & 7468, w/TL 10/24/94 009 0150 0290 0639-03503 1994/10/25 Dames & Moore - Memo: Summary of conference call on 10/25/94 betw Dames & Moore, EPA & Ch2M Hill, w/faxed note 10/27/94 stating summary was revised based on feedback 009 0243 0291 0639-93033 1994/10/26 Dave Laney / Dames & Moore Bijan Hagh / C H 2 M Hill Memo: Transmits master sample log for ambient air samples, w/encl (faxed) 009 0247 0292 0639-93031 1994/10/27 Dave Laney / Dames & Moore Bijan Hagh / C H 2 M Hill Memo: Transmits master sample log - flux chamber & soil gas data, w/encl (faxed) 009 0250 0293 0639-93032 1994/11/00 Dean Foor / Battelle Memorial Institute - Article: Passive bioventing driven by natural air exchange (proceedings of API/NGWA 1994 conference on petroleum hydrocarbons/organic chemicals in gw) 009 0254 0294 0639-03309 1994/11/00 Environmental Protection Agency - Region 9 - Meeting Notice: Montrose & Del Amo town mtgs, 11/17/94 & 12/1/94, w/marginalia (in English & Spanish) 009 0264 0296 0639-91440 1994/11/00 Environmental Protection Agency - Region 9 - Fact sheet: Montrose & Del Amo town mtg 009 0261 0295 0639-93328 1994/11/02 John Blevins / Environmental Protection Agency - Region 9 Community member Ltr: Notification that EPA-9 will cancel 11/3/94 relocated residents mtg, however, EPA-9 will still hold validated data workshop on 11/17/94 009 0269 0297 0639-93170 1994/11/04 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits review comments re 4/93 Del Amo waste excavation feasibility study (WEFS) rpt & 12/93 draft focused FS rpt, w/encl 009 0272 0298 0639-03170 1994/11/11 Dave Laney / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Memo: Transmits master sample log, air sampling data, w/encl (summary of Pit site data), (faxed) 009 0273 0299 0639-93034 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Cecchini Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential sampling results fr 1023 W 204th St 009 0299 0300 0639-03009 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Babich Family, residents / City of San Pedro Ltr: Sampling results along W 204th St, & invitation to workshop, w/property specific & residential sampling results fr 1055 W 204th St 009 0310 0301 0639-03010 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Herbert Herold, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential & property specific results fr 1051 W 204th St 009 0354 0302 0639-03011 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Robert Anderson, resident / City of Hawthorne Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential sampling results fr 1061R W 204th St 009 0411 0303 0639-03012 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential sampling results fr 1039.5 W 204th St 009 0426 0304 0639-03013 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Herrera Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential sampling results fr 1054 Trailer W 204th 009 0446 0305 0639-03014 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Steven Hornbeck, resident / City of Gardena Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1039/1039.5 W 204th 009 0458 0306 0639-03015 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Alfred Kachic, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific sampling results fr 1009 W 204th St 009 0492 0307 0639-03016 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Herrera Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1063 & 1061R W 204th 009 0507 0308 0639-03017 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Evans Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1019/1017 W 204th St 009 0542 0309 0639-03018 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Zamudio Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1029 W 204th St 009 0591 0310 0639-03019 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Mr Hinzo, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1050 W 204th St 009 0614 0311 0639-03020 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Hatch Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1039/1039.5 W 204th 009 0638 0312 0639-03021 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Mary Alexander, resident / City of Rancho Palos Verdes Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1017 & 1019 W 204th 009 0673 0313 0639-03022 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Robert Frame, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific results fr 1005 W 204th St 009 0701 0314 0639-03023 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Mr Huang, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop on 11/17/94, w/property specific sampling results fr 1107 W 204th St 009 0724 0315 0639-03024 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific results fr 1010 W 204th St 009 0738 0316 0639-03025 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Kennedy Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential results fr 1017 & 1019 W 204th St 009 0749 0317 0639-03026 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Florencio Diaz, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific results fr 971 W 204th St 009 0777 0318 0639-03027 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Herrera Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential results fr 1063 W 204th St 009 0794 0319 0639-03028 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Smith Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential results 1035 W 204th St 009 0827 0320 0639-03029 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Mrs Cash, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific results fr 1101 W 204th St 009 0853 0321 0639-03030 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Linda Timmons, resident / City of Paramount Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential results fr 1041/1041.5 W 204th St 009 0876 0322 0639-03031 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Joyce Amos, resident / City of Lawndale Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential results fr 1040 W 204th St 009 0900 0323 0639-03032 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Alfredo Toran, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential results fr 1063 & 1061R W 204th St 009 0912 0324 0639-03033 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Bennett & Maria Bortz, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific results fr 1020 W 204th St 009 0946 0325 0639-03034 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Herrera Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential sampling results fr 1054 W 204th St 009 0964 0326 0639-03035 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Frame Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1041/1041.5 W 204th 009 0977 0327 0639-03036 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Devon Corcoran, resident / City of Long Beach Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific results fr 1021 W 204th St 009 1002 0328 0639-03037 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Lopez Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential results 1054 W 204th St 009 1013 0329 0639-03038 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Ramon Herrera, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific results fr 965 W 204th St 009 1044 0330 0639-03039 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Smith Family, residents / City of Torrance Ltr: Sampling results fr W 204th St, & notification of community workshop on 11/17/94, w/property specific & residential results 009 1058 0331 0639-03040 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Smith Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1035 W 204th St 009 1083 0332 0639-03041 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Zahariades Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential sampling results fr 1040 W 204th St 009 1111 0333 0639-03042 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Herrera Family, residents / City of Torrance Ltr: Sampling results fr W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1054 W 204th St 009 1123 0334 0639-03043 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Alfredo Toran, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential sampling results fr 1063 W 204th St 009 1139 0335 0639-03044 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Joyce Amos, resident / City of Lawndale Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1038 W 204th St 009 1150 0336 0639-03045 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Steven Hornbeck, resident / City of Gardena Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential sampling results fr 1039 W 204th St 009 1175 0337 0639-03046 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Herbert Herold, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1055 W 204th St 009 1184 0338 0639-03047 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Lloyd Golden, resident / City of Redondo Beach Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1035 & 1033 W 204th 009 1228 0339 0639-03048 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Robert Anderson, resident / City of Hawthorne Ltr: Sampling results along W 204th St, & invitation to community workshop, w/residential sampling results fr 1061R W 204th St 009 1268 0340 0639-03049 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Nguyen Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1043/1043.5 W 204th 009 1279 0341 0639-03050 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Marion Davis, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific sampling results fr 1117 W 204th St 009 1307 0342 0639-03051 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Hill Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1054 W 204th St 009 1321 0343 0639-03052 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Aguire Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1051 W 204th St 009 1340 0344 0639-03053 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Yoemans Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1043/1043.5 W 204th 009 1398 0345 0639-03054 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Dunia Ponce, resident / City of Torrance Ltr: Sampling along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1036 W 204th St 009 1420 0346 0639-03055 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Lopez Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1033 W 204th St 009 1457 0347 0639-03056 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Arias Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1061 & 1063 W 204th 009 1481 0348 0639-03057 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Louise Samperio, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific sampling results fr 1113 W 204th St 009 1516 0349 0639-03058 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Patty Gramenz, resident / City of Torrance Ltr: Sampling results along 204th St, & invitation to community workshop, w/property specific sampling results fr 1006 W 204th St 009 1530 0350 0639-03059 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Francisco Padilla, resident / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific sampling results fr 1013 W 204th St 009 1541 0351 0639-03060 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Soto Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1058 W 204th St 009 1570 0352 0639-03061 1994/11/15 John Blevins / Environmental Protection Agency - Region 9 Verduzco Family, residents / City of Torrance Ltr: Sampling results along W 204th St, & invitation to community workshop, w/property specific & residential sampling results fr 1063/1063R W 204th 009 1603 0353 0639-03062 1994/11/15 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits review comments re 4/93 draft Del Amo waste excavation feasibility study (WEFS) rpt & 12/93 focused FS rpt, w/encl 009 1633 0354 0639-03171 1994/11/17 Environmental Protection Agency - Region 9 - Mtg agenda: Del Amo & Montrose public mtg, w/overheads & marginalia 009 1656 0355 0639-03302 1994/11/23 Bijan Hagh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Data comparison & recommendations for next quarter, w/lab analyses of ambient air, flux chamber, & soil gas samples collected 8/24/94-9/9/94 009 1663 0356 0639-03480 1994/11/23 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: 11/9/94 draft ambient air quality/soil gas characterization rpt does not comply with EPA SOW & approved workplan, & request for revised rpt 009 1713 0357 0639-93035 1994/11/25 Edward Aul / Edward Aul & Assoc, Inc Udai Singh / C H 2 M Hill Memo: Time & cost analyses for excavation under an enclosure using conventional equipment (draft), w/attchs 009 1716 0358 0639-03304 1994/11/30 C H 2 M Hill Environmental Protection Agency - Region 9 Residential tap water sampling results, v1 of 2, text, w/TLs, 12/16/94 009 1724 0359 0639-01469 1994/11/30 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Notice of tentative disapproval of 12/10/93 focused FS & 4/16/93 waste excavation feasibility study (WEFS), w/EPA comments 009 2091 0361 0639-03102 1994/11/30 C H 2 M Hill Environmental Protection Agency - Region 9 Residential tap water sampling results, v2 (appendixes) 009 1754 0360 0639-03468 1994/12/00 Environmental Protection Agency - Region 9 - Public Notice: Montrose & Del Amo update - postponement of expanded residential soil sampling (in English & Spanish) 009 2115 0362 0639-91749 1994/12/01 Environmental Protection Agency - Region 9 - Mtg agenda: Del Amo & Montrose public mtg, w/overheads 009 2118 0363 0639-03303 1994/12/01 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Pursuant to phone conversation on 11/29/94, lists EPA requirements for 2nd round of ambient air/soil gas sampling at Del Amo Waste Pits 009 2134 0364 0639-93036 1994/12/01 Stanford Smucker / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Exposure/risk modeling results associated with flux chamber measurements at Del Amo Pit area 009 2137 0365 0639-93037 1994/12/12 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Del Amo indoor air & dust sampling & information needed for regional gw evaluation, w/12/8/94 memo re follow-up sampling, w/o N Raykhman memo 009 2141 0366 0639-01384 1994/12/12 Bijan Hagh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Memo: QA/QC procedures for 2nd phase of flux VOC sampling (faxed) 009 2155 0367 0639-93327 1994/12/14 Edward Aul / Edward Aul & Assoc, Inc Udai Singh / C H 2 M Hill Memo: Results of screening risk assessment for excavation under an enclosure at Del Amo site (draft), w/attchs & TL 12/20/94 to J Lyons fr U Singh 009 2157 0368 0639-03282 1994/12/14 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Respondents will conduct a 1 day air sampling program to further evaluate potential emissions fr treatability wellhead at Waste Pit area 009 2169 0369 0639-93038 1994/12/14 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Respondents intend to conduct a 2nd round of air sampling at Waste Pit area, & lists what work will encompass 009 2172 0370 0639-93044 1994/12/15 Dames & Moore Shell Oil Co Quarterly rpt, gw monitoring program, 2nd quarterly sampling event, 1994, Del Amo study area, w/TL 12/15/94 to J Rosati fr C Paine 009 2175 0371 0639-03192 1994/12/15 Bijan Hagh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Completed Del Amo site inspection form re ambient air monitoring (faxed) 010 0001 0372 0639-93039 1994/12/15 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Respondents request an extension of time to submit revised final draft WEFS rpt & revised final draft FFS rpt, w/proposed schedule 010 0003 0373 0639-93040 1994/12/16 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Draft summary of conference call betw Respondents & CH2M Hill on 12/12/94 re lab TO-14 analytical data packages received for review (faxed) 010 0007 0374 0639-93041 1994/12/19 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Request that Respondents submit revised ambient air quality/soil gas characterization rpt by 1/17/95 010 0010 0375 0639-93042 1994/12/21 C H 2 M Hill Environmental Protection Agency - Region 9 SVOC data validation rpts, Del Amo residential & waste pit sampling, collected 8/17/94-9/9/94, w/TLs 12/21/94 & 12/1/94 010 0012 0376 0639-03267 1994/12/22 John Dudley / Dames & Moore Thomas Dunkelman / Environmental Protection Agency - Region 9 Memos: Notification of Del Amo project field activities & sample loading forecasts for 12/20/93-1/6/95 010 0325 0377 0639-03286 1994/12/27 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Response to 12/15/94 ltr requesting an extension of time to submit revised final draft WEFS & revised draft FFS 010 0411 0378 0639-93043 1995/00/00 Dominic DiGiulio / Environmental Protection Agency - Office of Research & Development - Soil venting closure strategy based on diffusive mass flux to gw (draft) 010 0414 0379 0639-03310 1995/01/03 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Response to 12/15/94 request for extension of time to submit revised final draft WEFS & revised draft FFS 010 0439 0380 0639-93045 1995/01/05 Janet Rosati / Environmental Protection Agency - Region 9 - Mtg agenda (proposed): Revised final draft WEFS/FFS rpt 010 0442 0381 0639-03141 1995/01/05 Dames & Moore - Sign-in sheets for 1/31/95 & 1/5/95 WEFS/FFS mtg, w/handout (presentation of conceptual excavation design- Waste Pit Area, dated 1/31/95) 010 0444 0382 0639-03145 1995/01/09 Janet Rosati / Environmental Protection Agency - Region 9 Vance Fong / Environmental Protection Agency - Region 9 Memo: Data validation request for non-CLP lab, Del Amo TO-14 data fr CH2M Hill lab, w/o attchs 010 0471 0383 0639-93074 1995/01/10 Vance Fong / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Residential indoor air follow-up sampling 010 0473 0384 0639-93046 1995/01/11 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Summarizes agreements reached at 1/5/95 mtg of Respondents, DTSC & CH2M Hill re revised draft WEFS & FFS rpts, w/mtg sign-in sheet 010 0475 0385 0639-93068 1995/01/12 Janet Rosati / Environmental Protection Agency - Region 9 Howard Crist / Environmental Protection Agency - Research Triangle Park Memo: Request for audit gas samples (SUMMA canisters) for 2nd round of air sampling, w/audit gas request form 010 0480 0386 0639-93047 1995/01/13 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits field oversight plan for Waste Pits ambient air/soil gas characterization, w/o encl 010 0484 0387 0639-93048 1995/01/13 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Response to 1/11/95 ltr which summarized agreements reached during 1/5/95 mtg to discuss EPA comments on revised draft WEFS rpt & FFS rpt 010 0486 0388 0639-93070 1995/01/15 - - Newsclips (3): EPA to fund clinic near toxic sites, EPA funds clinic near Superfund sites, & sites health facility opens 010 0489 0389 0639-92371 1995/01/18 Mark Petersen / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of TO-14 analytical data, Del Amo RI/FS 010 0494 0390 0639-03142 1995/01/23 Robert Wong / C H 2 M Hill Udai Singh / C H 2 M Hill Memo: Response to QAMS review of Del Amo TO-14 data 010 0509 0391 0639-03143 1995/01/23 John Blevins / Environmental Protection Agency - Region 9 Vance Fong / Environmental Protection Agency - Region 9 Memo: ESB review of amendment to Del Amo field oversight plan, w/o plan 010 0520 0392 0639-93073 1995/01/23 Cynthia Babich / Del Amo Action Committee John Blevins / Environmental Protection Agency - Region 9 Ltr: Discusses Del Amo Action Committee's objectives, goals & deadlines, signed by Board of Directors, w/list of residents requesting relocation & env 010 0522 0393 0639-93171 1995/01/26 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits Waste Pit photos depicting surface runoff/ponded water conditions during/following January storms, w/photos, newsclips & rainfall data 010 0527 0394 0639-03293 1995/01/27 Dames & Moore Shell Oil Co 2nd quarter amendment to the ambient air quality/soil gas characterization workplan Waste Pit area, w/TL to J Rosati fr C Paine 010 0545 0395 0639-03144 1995/01/27 Edward Aul / Edward Aul & Assoc, Inc Udai Singh / C H 2 M Hill Memo: Technical evaluation of implementability & feasibility of the Del Amo excavation scenario (draft) 010 0556 0396 0639-03306 1995/01/27 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits memo re response to QAMS review of Del Amo ambient air monitoring TO-14 analytical data, w/o memo 010 0565 0397 0639-93049 1995/01/30 Mary Hart / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of data validation rpts, Del Amo EPA method TO-14 air data 010 0567 0398 0639-03151 1995/01/30 Mary Hart / I C F Kaiser Engineers, Inc Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of data validation rpts, Del Amo EPA method TO-14 air data, w/marginalia & post-it note 010 0574 0399 0639-03274 1995/01/30 Edward Aul / Edward Aul & Assoc, Inc Udai Singh / C H 2 M Hill Memo: 9 criteria analysis of excavation under an enclosure with conventional equipment at Del Amo 010 0582 0400 0639-03307 1995/01/30 Mark Petersen / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of amended field oversight plan, Waste Pits ambient air/soil gas characterization, RI/FS 010 0598 0401 0639-93050 1995/01/31 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits incident rpt re discovery of storm drain at Southern Pacific right-of-way near gate to Waste Pit Area, w/rpt, vault drawing & photos 010 0602 0402 0639-03294 1995/02/02 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits preliminary analytical results of surface runoff water sample South of Del Amo Blvd, Del Amo Study Area vicinity, w/encls 010 0612 0403 0639-03295 1995/02/02 Bijan Hagh / C H 2 M Hill Udai Singh / C H 2 M Hill Memo: Response to EPA comments on field oversight plan for Waste Pits ambient air/soil gas characterization, 12/94 (faxed) 010 0624 0404 0639-93051 1995/02/03 Larry Hottenstein / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Air sampling results for treatability wellhead, w/attchs 010 0627 0405 0639-03146 1995/02/06 Ron Bousquet / Environmental Protection Agency - Research Triangle Park Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Notification that 7 canisters were received fr CH2M Hill & filled with requested contents 010 0671 0406 0639-93052 1995/02/09 Dames & Moore Shell Oil Co Quarterly rpt, gw monitoring program, 3rd quarterly sampling event, 1994, Del Amo study area, w/TL 2/9/95 to J Dhont fr C Paine 010 0674 0407 0639-03193 1995/02/10 C H 2 M Hill Environmental Protection Agency - Region 9 Revised field oversight plan for Del Amo Waste Pits ambient air/soil gas characterization, w/TL 2/13/95 to J Rosati fr U Singh 010 1258 0408 0639-03147 1995/02/13 Larry Hottenstein / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Memo: Transmits wind roses for Waste Pit area air sampling, w/encls 010 1308 0409 0639-93053 1995/02/13 John Blevins / Environmental Protection Agency - Region 9 Cynthia Babich / Del Amo Action Committee Ltr: Status of on-going work re catch basin discovered on southern boundary of Del Amo site 010 1313 0410 0639-93163 1995/02/14 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits 2/9/95 response to QAMS review comments on Del Amo TO-14 air data validation rpts, & missing data validation rpts, w/comments, w/o rpts 010 1316 0411 0639-03273 1995/02/14 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits Del Amo surface water runoff sampling rpt, w/rpt, photos of sampling event, results of lab analyses & data package 010 1324 0412 0639-03296 1995/02/16 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits lab results for 3 surface water samples & 2 soil samples collected 1/95 near Waste Pit area, w/encls 010 1391 0413 0639-03297 1995/02/16 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Draft workplan for maintenance & repair of Del Amo Waste Pit area 010 1426 0414 0639-92985 1995/02/17 Stanford Smucker / Environmental Protection Agency - Region 9 John Blevins / Environmental Protection Agency - Region 9 Memo: Recommendations re DDT in indoor dust 010 1436 0416 0639-91760 1995/02/17 Larry Hottenstein / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Memo: Update on air sampling at Del Amo Waste Pit area, w/preliminary wind roses (faxed) 010 1431 0415 0639-93054 1995/02/18 Cynthia Babich / Del Amo Action Committee Phillip Lee / US Dept of Health & Human Services Ltr: Health concerns of the community 010 1438 0417 0639-93172 1995/02/20 Dames & Moore Shell Oil Co Revised final draft waste excavation feasibility study (WEFS) rpt, w/TL 010 1442 0418 0639-03104 1995/02/21 Robert Wong / C H 2 M Hill Mark Petersen / Environmental Protection Agency - Region 9 Memo: Transmits revised instrument print-outs & revised Form 1 for field sample F-2E-V025, lab sample 746809, w/encls (faxed) 011 0001 0419 0639-03481 1995/02/23 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: EPA comments on draft workplan for maintenance & repair of Del Amo Waste Pit area 011 0008 0420 0639-92987 1995/02/23 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Notification that ambient air quality/soil gas characterization rpt does not comply with EPA SOW & approved workplan, & request for revised rpt 011 0010 0421 0639-93055 1995/02/27 Larry Hottenstein / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits sample log summary table for soil gas, surface isolation flux chamber & ambient air samples taken 2/1-17/95, w/encl 011 0012 0422 0639-03148 1995/02/28 Mark Petersen / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of 1st quarter ambient air quality & soil gas characterization data, RI/FS 011 0018 0423 0639-03149 1995/02/28 Environmental Protection Agency - Region 9 - Mtg agenda: Montrose & Del Amo sites community mtg, w/overheads 011 0028 0424 0639-03301 1995/03/00 Environmental Protection Agency - Region 9 - Fact sheet: Del Amo & Montrose Superfund sites - site history & Superfund process (in English & Spanish) 011 0038 0425 0639-01680 1995/03/00 Environmental Protection Agency - Region 9 - Fact sheet: Update on activities at Del Amo Superfund site, w/copy in Spanish 011 0051 0426 0639-93330 1995/03/07 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Transmits EPA QAMS memo in response to draft 12/16/94 ltr re quality & validity of EPA unvalidated flux chamber oversight data, w/o encl 011 0060 0427 0639-93056 1995/03/10 Dunia Ponce, Resident Carol Browner / Environmental Protection Agency - Washington, D C Ltr: Health & relocation concerns 011 0062 0428 0639-93174 1995/03/14 Mark Petersen / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of 2nd quarter amendment to ambient air quality/soil gas characteriazation workplan, Waste Pit area, RI/FS 011 0064 0429 0639-93057 1995/03/14 Cynthia Babich / Del Amo Action Committee Jane Harman / US House of Representatives - Office of Jane Harman Ltr: Discusses DDT fill area issue, & community health & relocation concerns, (faxed) 011 0067 0430 0639-93175 1995/03/17 Mark Petersen / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Responses to QAMS review of TO-14 data validation rpts, METI audit canister results, Diebold's annotated ESAT review comments & TO-14 air data 011 0069 0431 0639-03150 1995/03/17 John Dudley / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits photos taken of Northern vault - old storm drain, w/encl 011 0079 0432 0639-03298 1995/03/17 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Transmits 3/14/95 review comments fr EPA QAMS on 2nd quarter amendment to ambient air quality/soil gas characterization workplan, w/encl 011 0084 0433 0639-93058 1995/03/20 John Rendall / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits review comments on 2/20/95 draft Del Amo Waste excavation feasibility study (WEFS) rpt, w/comments & marginalia 011 0088 0434 0639-03167 1995/03/22 John Danby / CA Occupational Safety & Health Program Dave Laney / Dames & Moore Memo: Ventilation system for Del Amo excavation design 011 0102 0435 0639-03285 1995/03/24 Mark Petersen / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of addendum 1 to residential FSP for residential air & indoor dust near site 011 0109 0436 0639-93076 1995/03/24 Larry Hottenstein / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits preliminary analytical results for EPA TO-14 audit samples submitted to the Respondents contractor lab, Air Toxic Ltd, w/encl 011 0113 0437 0639-93151 1995/03/27 John Blevins / Environmental Protection Agency - Region 9 Richard Kreutzer / CA Dept of Health Services Ltr: Response to 12/29/94 ltr fr CA Health Services Dept re proposed guidelines for regulatory action based on individual DDT blood levels, w/comments 011 0119 0438 0639-92363 1995/04/03 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Transmits EPA review comments on 2/20/95 revised final draft WEFS rpt, & attch 1 (excavation comparison betw WEFS rpt & Edward Aul rpt), w/encls 011 0123 0439 0639-03152 1995/04/06 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits response to EPA comments re draft workplan, & transmits revised workplan maintenance & repair program - Waste Pit Area, w/encls 011 0145 0440 0639-03069 1995/04/07 Dames & Moore Shell Oil Co Ambient air quality/soil gas characterization rpt, Del Amo Waste Pit Area 011 0172 0441 0639-03063 1995/04/08 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Response to EPA comments re 2/20/95 revised final draft WEFS rpt, w/table (list of comments to be resolved) (faxed on 4/10/95) 011 1130 0442 0639-93059 1995/04/10 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Maintenance activities planned for Del Amo Waste Pit area 011 1134 0443 0639-92982 1995/04/12 Janet Rosati / Environmental Protection Agency - Region 9 - Mtg agenda (proposed): Review comments re revised final draft WEFS rpt, w/marginalia 011 1137 0444 0639-93060 1995/04/17 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: 4/12/95 mtg to review EPA comments on revised final draft waste excavation feasibility study (WEFS) rpt 011 1139 0445 0639-93061 1995/04/19 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #15, volatiles - 5 ambient air samples, collected 1/31/95, w/TL to J Rosati fr M Weiner 011 1142 0446 0639-03116 1995/04/19 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #16, volatiles - 5 ambient air samples, collected 2/1/95, w/TL to J Rosati fr M Weiner 011 1162 0447 0639-03117 1995/04/19 Margaret May / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #17, volatiles - 3 ambient air samples, collected 2/6/95, w/TL to J Rosati fr M Weiner 011 1180 0448 0639-03118 1995/04/19 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #18, volatiles - 3 ambient air samples, collected 2/7/95, w/TL to J Rosati fr M Weiner 011 1194 0449 0639-03119 1995/04/19 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #19, volatiles - 2 ambient air samples, collected 2/8/95, w/TL to J Rosati fr M Weiner 011 1210 0450 0639-03120 1995/04/19 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #20, volatiles - 2 ambient air samples, collected 2/8/95, w/TL to J Rosati fr M Weiner 011 1224 0451 0639-03121 1995/04/19 Chris Davis / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #21, volatiles - 4 ambient air samples, collected 2/8/95, w/TL to J Rosati fr M Weiner 011 1238 0452 0639-03122 1995/04/19 Chris Davis / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #22, volatiles - 9 ambient air samples, collected 2/9/95, w/TL to J Rosati fr M Weiner 011 1255 0453 0639-03123 1995/04/19 Chris Davis / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #23, volatiles - 5 ambient air samples, collected 2/10/95, w/TL to J Rosati fr M Weiner 011 1276 0454 0639-03124 1995/04/19 Margaret May / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #24, volatiles - 7 ambient air samples, collected 2/6/95 & 2/14/95, w/TL to J Rosati fr M Weiner 011 1290 0455 0639-03125 1995/04/19 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #25, volatiles - 9 ambient air samples, collected 2/15/95, w/TL to J Rosati fr M Weiner 011 1308 0456 0639-03126 1995/04/19 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #26, volatiles- 7 ambient air samples, collected 2/16/95, w/TL to J Rosati fr M Weiner 011 1326 0457 0639-03127 1995/04/24 C H 2 M Hill Environmental Protection Agency - Region 9 Revised residential tap water sampling results, v2, appendixes 011 1341 0458 0639-03478 1995/04/25 - - Article: HVS3 - high volume small surface sampler, w/fax TL to M Baron fr Reichle of CH2M Hill 011 1678 0459 0639-92349 1995/04/27 Jeffrey Dhont / Environmental Protection Agency - Region 9 Frank Bachman / Montrose Chemical Corp Ltr: AOC activities, EPA directions & issues, RI/FS, NW corner sampling, stormwater pathway, PHEE, well #795, gw monitoring & AOC as amended 011 1681 0460 0639-01679 1995/05/00 Environmental Protection Agency - Region 9 - Fact sheet: Results of recent 204th St sampling activities (English & Spanish) 011 1713 0461 0639-92236 1995/05/03 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Response to 4/17/95 ltr re 4/12/95 mtg to review EPA comments on revised final draft waste excavation feasibility study (WEFS) rpt 011 1724 0462 0639-93062 1995/05/04 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Maintenance activities planned for Del Amo Waste Pit area 011 1727 0463 0639-92981 1995/05/04 Jim Reichle / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Memo: Benzene & carpet dust sampling schedule- Del Amo Study Area, (faxed) 011 1729 0464 0639-93173 1995/05/05 Janet Rosati / Environmental Protection Agency - Region 9 Herbert Herold, resident / City of Torrance Ltr: Notice of residential carpet dust & air sampling at 1051 & 1055 W 204th St, Torrance CA 011 1731 0465 0639-03469 1995/05/05 Janet Rosati / Environmental Protection Agency - Region 9 Yolanda Herrera, resident / City of Torrance Ltr: Notice of residential carpet dust & air sampling at 1061R W 204th St, Torrance CA 011 1735 0467 0639-03470 1995/05/05 Janet Rosati / Environmental Protection Agency - Region 9 Family Aguirre / City of Torrance Ltr: Notice of residential air sampling at 1051 W 204th St 011 1737 0468 0639-91398 1995/05/05 Janet Rosati / Environmental Protection Agency - Region 9 Robert Anderson / City of Hawthorne Ltr: Notice of residential carpet dust & air sampling at 1061R W 204th St 011 1733 0466 0639-91410 1995/05/05 Andrew Bain / Environmental Protection Agency - Region 9 Dunia Ponce, Resident / City of Torrance Ltr: Response to 3/10/95 ltr to Carol Browner re health & relocation concerns 011 1739 0469 0639-93344 1995/05/11 Dames & Moore Shell Oil Co Revised final draft waste excavation feasibility study (WEFS) rpt, Del Amo Waste Pit Area 011 1748 0473 0639-03179 1995/05/11 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits response to comments re revised final draft waste excavation feasibility study (WEFS) rpt, w/response 012 0001 0474 0639-03180 1995/05/11 Janet Rosati / Environmental Protection Agency - Region 9 Robert Anderson, resident / City of Torrance Ltr: Correction to notice of residential sampling at 1061R W 204th St, Torrance CA 011 1742 0470 0639-03471 1995/05/11 Janet Rosati / Environmental Protection Agency - Region 9 Yolanda Herrera, Resident / City of Torrance Ltr: Correction to notice of residential sampling at 1061R W 204th St, Torrance CA 011 1744 0471 0639-03472 1995/05/11 Janet Rosati / Environmental Protection Agency - Region 9 Family Verduzco / City of Torrance Ltr: Notice of residential air sampling at 1063R W 204th St 011 1746 0472 0639-91397 1995/05/15 Janet Rosati / Environmental Protection Agency - Region 9 Alfredo Toran / City of Torrance Ltr: Notice of residential air sampling at 1063R W 204th St 012 0066 0475 0639-91399 1995/05/16 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits comments re 4/3/95 revised draft excavation under an enclosure using conventional equipment, w/attchs 1-3 (WEFS rpt vs Edward Aul rpt) 012 0068 0476 0639-03153 1995/05/16 Max Howie / US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry William Nelson / US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry Memo: Transmits 5/95 final health consultation - health impact of contaminants in soil, air & tap water, for Montrose & Del Amo sites, w/encl 012 0117 0477 0639-03525 1995/05/16 John Blevins / Environmental Protection Agency - Region 9 Cynthia Babich / Del Amo Action Committee Ltr: Abandonment of concrete vaults - Del Amo Waste Pit area 012 0135 0478 0639-92980 1995/05/19 C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Addendum 1 to residential FSP for residential air & indoor dust near Del Amo site 012 0138 0479 0639-03103 1995/05/19 David Harney / David M Harney (Attorney) John Lyons / Environmental Protection Agency - Region 9 Ltr: Inspection & testing of concrete vaults, Del Amo Waste Pit area 012 0187 0480 0639-92978 1995/05/23 Dames & Moore Shell Oil Co Gw monitoring rpt, 4th quarter 1994, Del Amo, w/TL to J Rosati fr C Paine, 5/24/95 012 0189 0481 0639-03196 1995/05/24 Mark Petersen / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review of addendum 1 to residential FSP for residential air & indoor dust near site 012 0858 0482 0639-93075 1995/05/24 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits corrections to 5/11/95 submittal responses to EPA comments, revised final draft WEFS rpt, w/o corrections, w/wet scrubber info 012 0860 0483 0639-93159 1995/05/25 Nancy Lindsay / Environmental Protection Agency - Region 9 William Adams / US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry Ltr: Response to 5/22/95 ltr re dust sampling - rationale for sampling in homes in relocation zone & recommendation re how to proceed 012 0864 0484 0639-92214 1995/06/07 Chris Davis / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS# BAE69211.11.01, memo #12, 1 ambient air sample, volatiles, collected 1/24/95, w/TL to J Rosati fr M Weinter 012 0868 0485 0639-03154 1995/06/07 Chris Davis / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.11.01, memo #13, 1 ambient air sample, volatiles, collected 1/25/95, w/TL to J Rosati fr M Weiner 012 0887 0486 0639-03155 1995/06/12 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits 5/26/95 review comments on draft ambient air quality/soil gas characterization 2nd round rpt Del Amo Waste Pit area w/encl & marginalia 012 0905 0487 0639-03172 1995/06/13 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Notification of approval of 4/7/95 ambient air quality/soil gas characterization rpt, Del Amo Waste Pit Area 012 0913 0488 0639-93005 1995/06/14 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Integration of permanent relocation analysis into focused feasibility study for Del Amo Waste Pits, w/attch A (permanent relocation process) 012 0915 0489 0639-93002 1995/06/22 John Rendall / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Memo: Input on draft ltr to Respondents concerning Del Amo Waste excavation feasibility study (WEFS) rpt, w/marginalia (faxed) 012 0920 0490 0639-93069 1995/06/26 Udai Singh / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Draft memo: Review comments on 2/18/94 draft phase 2 RI workplan, evaluation of rpts re soil/soil gas sampling data gaps & soil final remedy selection 012 0924 0491 0639-03213 1995/07/12 Adriane Scheele / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: Case #BAE69211.13.04, memo #35, 8 dust samples, collected 5/22/95, w/TL to J Rosati fr M Weiner 012 0943 0492 0639-02230 1995/07/12 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS # BAE69211.13.04, memo #37, 10 dust samples, collected 5/23/95, w/TL to J Rosati fr M Weiner 012 0957 0493 0639-03498 1995/07/12 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.13.04, memo #36, 2 dust samples, collected 5/24/95, w/TL to J Rosati fr M Weiner 012 0972 0494 0639-03499 1995/07/12 Adriane Scheele / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: Case #BAE69211.13.04, memo #38, 1 dust sample, collected 6/2/95, w/TL to J Rosati fr M Weiner 012 0986 0495 0639-03500 1995/07/12 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Revision to 6/14/95 ltr re integration of permanent relocation analysis into focused FS for Del Amo Waste Pits 012 1001 0496 0639-93003 1995/07/13 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Notice of disapproval of revised final draft waste excavation feasibility study (WEFS) rpt 012 1003 0497 0639-93001 1995/07/17 Raimi Quiton / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.13.04, memo #39, 1 dust sample, collected 6/14/95, w/TL to J Rosati fr M Weiner 012 1037 0501 0639-02234 1995/07/17 Chris Davis / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.13.04, memo #32, 1 ambient air sample, volatiles, collected 5/23/95, w/TL to J Rosati (7/12/95, amended 7/17/95) 012 1009 0498 0639-03482 1995/07/17 Chris Davis / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.13.04, memo #33, 4 ambient air samples, volatiles, collected 5/24/95, w/TL to J Rosati (7/12/95, amended 7/17/95) 012 1018 0499 0639-03483 1995/07/17 Chris Davis / I C F Kaiser Engineers, Inc Environmental Protection Agency - Region 9 Data validation rpt: SAS #BAE69211.13.04, memo #34, 4 ambient air samples, volatiles, collected 5/24/95 & 5/30/95, w/TL, (7/12/95, amended 7/17/95) 012 1028 0500 0639-03484 1995/07/31 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: EPA comments re 5/26/95 draft ambient air quality/soil gas characterization 2nd round rpt, Del Amo Waste Pit Area 012 1050 0502 0639-93004 1995/08/03 Jeffrey Dhont / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Multiple issues, responses & comments re phase 2 RI 012 1056 0503 0639-03204 1995/08/16 Janet Rosati / Environmental Protection Agency - Region 9 Alfredo Toran, resident / City of Torrance Ltr: Sampling results at 1061 & 1061R W 204th St, Torrance, CA, w/residential dust sampling results, validated data 012 1088 0504 0639-03265 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Alfredo Toran / City of Torrance Ltr: Sampling results at 1063 & 1063R W 204th St, Torrance CA, w/residential dust & air sampling results validated data 012 1106 0507 0639-02269 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Mr & Ms Babich, residents / City of San Pedro Ltr: Sampling results at 1055 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1129 0512 0639-03268

Doc Date Author / Auth. Affiliate Addressee / Addr. Affiliate Subject Roll # Frame # AR # Doc ID 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Lloyd Golden, resident / City of Redondo Beach Ltr: Sampling results at 1035 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1174 0523 0639-03269 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Linda Timmons, resident / City of Paramount Ltr: Sampling results at 1041.5 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1182 0525 0639-03270 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Mary Alexander, resident / City of Rancho Palos Verdes Ltr: Sampling results at 1017 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1186 0526 0639-03271 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Steven Hornbeck, Resident / City of Gardena Ltr: Sampling results at 1039 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1208 0531 0639-03272 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Herbert Herold, resident / City of Torrance Ltr: Sampling results at 1051 & 1055 W 204th St, Torrance CA, w/residential dust & air sampling results validated data 012 1093 0505 0639-03485 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Guillermo Aguirre, resident / City of Torrance Ltr: Sampling results at 1051 W 204th St, Torrance CA, w/residential dust & air sampling results validated data 012 1100 0506 0639-03486 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Jaime Verduzco, resident / City of Torrance Ltr: Sampling results at 1063R W 204th St, Torrance CA, w/residential dust & air sampling results validated data 012 1112 0508 0639-03487 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Fidel Herrera, resident / City of Torrance Ltr: Sampling results at 1061R West 204th St, Torrance, CA, w/residential dust sampling results, validated data 012 1117 0509 0639-03501 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Arias family, resident / City of Torrance Ltr: Sampling results at 1061 West 204th St, Torrance, CA, w/residential dust sampling results, validated data 012 1121 0510 0639-03502 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Yolanda Herrera, resident / City of Torrance Ltr: Sampling results at 1063 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1125 0511 0639-03505 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Smith family, residents / City of Torrance Ltr: Sampling results at 1035 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1133 0513 0639-03506 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Smith family, residents / City of Torrance Ltr: Sampling results at 1035 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1137 0514 0639-03507 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Smith family, residents / City of Torrance Ltr: Ltr: Sampling results at 1035 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1141 0515 0639-03508 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Paul Cecchini, residents / City of Torrance Ltr: Sampling results at 1023 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1145 0516 0639-03509 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Fred Zamudio, Resident / City of Torrance Ltr: Sampling results at 1029 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1149 0517 0639-03510 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Evans family, residents / City of Torrance Ltr: Sampling results at 1019 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1153 0518 0639-03511 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Mr & Mrs Herrera, residents / City of Torrance Ltr: Sampling results at 1054 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1157 0519 0639-03512 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Dunia Ponce, residents / City of Torrance Ltr: Sampling results at 1036 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1161 0520 0639-03513 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Phillip Yeomans, Resident / City of Torrance Ltr: Sampling results at 1043 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1165 0521 0639-03514 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Hoa Nguyen, resident / City of Torrance Ltr: Sampling results at 1043 & 1043.5 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1169 0522 0639-03515 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Frame family, residents / City of Torrance Ltr: Sampling results at 1041.5 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1178 0524 0639-03516 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Dorothy Kennedy, resident / City of Torrance Ltr: Sampling results at 1017 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1190 0527 0639-03517 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Rosie Soto, resident / City of Torrance Ltr: Sampling results at 1058 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1194 0528 0639-03518 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Carlos Soto, resident / City of Torrance Ltr: Sampling results at 1058 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1199 0529 0639-03519 1995/08/17 Janet Rosati / Environmental Protection Agency - Region 9 Robin Hatch, resident / City of Torrance Ltr: Sampling results at 1039 West 204th St, Torrance CA, w/residential dust sampling results, validated data 012 1204 0530 0639-03520 1995/08/22 Janet Rosati / Environmental Protection Agency - Region 9 Udai Singh / C H 2 M Hill Ltr: Review & comments re 6/7/95 ambient air, surface flux, & soil gas characterization draft rpt, Waste Pit area 012 1212 0532 0639-03156 1995/08/23 Janet Rosati / Environmental Protection Agency - Region 9 Cynthia Babich / Del Amo Action Committee Ltr: Carpet dust sampling data & follow-up indoor air monitoring data, w/o encls 012 1221 0533 0639-92379 1995/09/01 Dames & Moore - Gw monitoring rpt, 4th quarter 1994, Del Amo, w/TLs 9/1/95 & 10/19/95 to J Dhont fr J Dudley 012 1223 0534 0639-03263 1995/09/06 Dames & Moore Shell Oil Co Technical memo: Permanent relocation as an RA (draft), Del Amo Waste Pit area, w/TL to J Rosati fr Dames & Moore, 9/4/95 012 1260 0535 0639-03308 1995/09/13 Janet Rosati / Environmental Protection Agency - Region 9 Alfredo Toran, resident / City of Torrance Ltr: Sampling results at 1061 & 1061R W 204th St, Torrance, CA, w/residential dust sampling results, validated data 012 1427 0536 0639-03523 1995/10/19 Janet Rosati / Environmental Protection Agency - Region 9 Hooshang Nezafati / C H 2 M Hill Ltr: Comments on residential indoor air characterization study draft rpt, w/o encl (9/1/95 EPA Region 9 PRG table) 012 1439 0538 0639-93017 1995/10/23 John Blevins / Environmental Protection Agency - Region 9 Resident Ltr: Notice of temporary postponement of EPA DDT contaminated fill removal action on W 204th St 012 1445 0539 0639-93176 1995/11/06 Dames & Moore Shell Oil Co Gw monitoring rpt, 1st quarter 1995, Del Amo, w/TL 11/6/95 to J Dhont fr C Paine 012 1447 0540 0639-03194 1995/11/15 David Laney / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Scope of baseline risk assessment - summarizes agreements reached at mtg, w/memo 10/20/95 fr EPA & policy on evaluating health risks to children 012 1960 0541 0639-03236 1995/11/17 Dames & Moore Shell Oil Co Gw monitoring rpt, 4th quarter 1994, Del Amo, w/TL 11/17/95 to J Dhont fr C Paine 012 1968 0542 0639-03195 1995/12/01 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Summarizes agreements reached at 11/29/95 mtg with EPA, DTSC, Shell, Dames & Moore, & CH2M Hill re scope of draft FFS rpt, w/encl 013 0001 0543 0639-93077 1995/12/15 Jane Harman / US House of Representatives - Office of Jane Harman Keith Takata / Environmental Protection Agency - Region 9 Ltr: Suggests stakeholder group reconvene in early January to discuss the mediator concept 013 0006 0544 0639-93177 1995/12/21 John Dudley / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Memos: Notification of Del Amo project field activities & sample loading forecasts for 1/7/95-12/29/95, w/fax TLs to J Dhont fr J Dudley, 5/95-12/95 013 0009 0545 0639-03208 1995/12/22 Dames & Moore Shell Oil Co Gw monitoring rpt, 2nd quarter 1995, Del Amo, w/TL 12/22/95 to J Dhont fr C Paine 013 0252 0546 0639-03177 1995/12/26 Dave Laney / Dames & Moore Chuck Paine / Shell Oil Co Memo: EPA excavation alternative, (faxed) 013 0682 0547 0639-93152 1996/01/09 David Laney / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits 12/21/95 memo to D Laney fr J Kester re Stan Smucker comments on Del Amo Waste Pit Area risk assessment submission, w/memo & attchs 013 0686 0548 0639-03527 1996/01/10 Mark Petersen / Environmental Protection Agency - Region 9 Janet Rosati / Environmental Protection Agency - Region 9 Memo: Summary of 12/13/95 mtg re soil gas sampling & analytical procedures, Del Amo study area 013 0694 0549 0639-93148 1996/01/15 Edward Aul / Edward Aul & Assoc, Inc Janet Rosati / Environmental Protection Agency - Region 9 Memo: Response to Dames & Moore review request & questions related to 12/15/96 conference call re EPA excavation alternative, w/table (faxed) 013 0700 0550 0639-93153 1996/01/16 Dames & Moore Shell Oil Co Ambient air quality/soil gas characterization, 2nd round rpt, for Del Amo Waste Pit Area, w/TL 1/16/96 to J Rosati fr C Paine 013 0704 0551 0639-03137 1996/01/26 C H 2 M Hill Environmental Protection Agency - Region 9 Final rpt - ambient air, surface flux & soil gas characterization, Del Amo waste pit area 013 1382 0552 0639-03135 1996/01/26 Environmental Protection Agency - Region 9 - Agenda & overheads for Del Amo & Montrose Superfund sites - community update on activities 013 1900 0553 0639-03300 1996/02/00 Environmental Protection Agency - Region 9 - Fact sheet: EPA to proceed with Del Amo waste pits cleanup, w/copy in Spanish 013 1923 0554 0639-03183 1996/02/00 C H 2 M Hill Environmental Protection Agency - Region 9 Draft waste excavation feasibility study (WEFS)- excavation under an enclosure using conventional equipment, Del Amo Waste Pit Area, w/marginalia 013 1934 0555 0639-03260 1996/02/16 Dave Laney / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Memo: Transmits 2 tables re soil contaminants considered for leaching to gw, for discussion during 2/20 conference call re vleach, w/attch (faxed) 013 1992 0556 0639-93097 1996/02/21 Jeffrey Dhont / Environmental Protection Agency - Region 9 Frank Bachman / Montrose Chemical Corp Ltr: Upcoming mtg on 2/28/96 re gw at Montrose/Del Amo sites, & preparatory info fr EPA, w/agenda, graphics & notes on graphics 013 1996 0557 0639-02212 1996/02/29 Environmental Protection Agency - Region 9 - Agenda & overheads for Waste Pits alternative preview public workshop 013 2045 0558 0639-03528 1996/03/10 Dave Laney / Dames & Moore Jeffrey Dhont / Environmental Protection Agency - Region 9 Recent developments in analysis of migration of contaminants to gw, w/pump test data, well figures, soil tables, & note re doc is for conference call 013 2057 0559 0639-02780 1996/03/18 Cynthia Babich / Del Amo Action Committee Andrew Bain / Environmental Protection Agency - Region 9 Ltr: Questions & concerns provided by the community re 4/11/96 risk assessment workshop 013 2082 0560 0639-93158 1996/03/19 C H 2 M Hill Environmental Protection Agency - Region 9 Final rpt- residential indoor air characterization study, West 204th St, temporary relocation zone 013 2084 0561 0639-03165 1996/03/19 Dames & Moore Environmental Protection Agency - Region 9 General & specific comments on draft waste excavation feasibility study- excavation under an enclosure using conventional equipment, w/marginalia, fax 013 2318 0562 0639-03259 1996/03/26 Janet Rosati / Environmental Protection Agency - Region 9 Hooshang Nezafati / C H 2 M Hill Ltr: Comments re draft waste excavation feasibility study (WEFS) - excavation under an enclosure using conventional equipment, Del Amo Waste Pit area 013 2327 0563 0639-93072 1996/03/28 Hooshang Nezafati / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Memo: Transmits comments on 3/11/96 revised final draft focused FS rpt for Del Amo Waste Pit area, w/comments 013 2332 0564 0639-03182 1996/04/05 Edward Aul / Edward Aul & Assoc, Inc Janet Rosati / Environmental Protection Agency - Region 9 Memo: Review comments on section 7.5 - complete excavation of waste & vapor extraction of contaminated soil, final draft focused FS 013 2343 0565 0639-03173 1996/04/05 Dave Laney / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Memo: Transmits hard copy of input/output data for VLEACH & mixing model, w/encl 013 2351 0566 0639-03491 1996/04/11 Environmental Protection Agency - Region 9 - Agenda & overheads for Del Amo Waste Pit area risk assessment workshop 013 2393 0567 0639-03299 1996/04/23 John Dudley / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits health & safety plan for vegetation control & debris removal, & notification that plan will be incorporated into RI/FS workplan, w/encl 013 2413 0568 0639-03488 1996/04/26 Dames & Moore Environmental Protection Agency - Region 9 Draft proposed methodology to estimate performance goals for individual compounds at Pits site - subsurface soils - migration to gw pathway, w/fax TL 013 2419 0569 0639-03226 1996/04/30 Dames & Moore Shell Oil Co Data summary rpt measurement of emission rates & speciation of vapor phase contaminants from disturbed waste, Del Amo Waste Pit area, w/TL 4/30/96 014 0001 0570 0639-03161 1996/04/30 C H 2 M Hill Environmental Protection Agency - Region 9 Waste excavation feasibility study (WEFS) - excavation under an enclosure rpt for Del Amo Waste Pit Area, w/TL 4/30/96 to J Rosati fr H Nezafati 014 0848 0571 0639-03166 1996/04/30 Janet Rosati / Environmental Protection Agency - Region 9 Cynthia Babich / Del Amo Action Committee Ltr: Per request, transmits overheads, 4/6/95 workplan for maintenance & repair of Del Amo Waste Pit Area, & health & safety plan, w/o encls 014 0919 0572 0639-93165 1996/05/00 Jeffrey Dhont / Environmental Protection Agency - Region 9 - Diagram of gw zones A-E, & an explanation re objectives, factors, long-term & short-term strategies & goals, w/marginalia 014 0921 0573 0639-93333 1996/05/02 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Comments on 3/11/96 draft focused FS rpt, Del Amo Waste Pit area, w/attchs 014 0924 0574 0639-03174 1996/05/03 Jeffrey Dhont / Environmental Protection Agency - Region 9 Frank Bachman / Montrose Chemical Corp Ltr: EPA proposal & schedule for FS & reaching gw ROD, clarification & context of joint gw modeling, Montrose & Del Amo sites, w/figs 5-7 014 0993 0575 0639-02213 1996/05/13 Cynthia Babich / Del Amo Action Committee Jane Harman / US Congress Ltr: Home relocation issues, w/ltr 4/29/96 to R Evans fr J Blevins re same, & clinical rpt of resident diagnosed with cancer 014 1014 0576 0639-93105 1996/05/15 Richard Haimann / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Memo: Per EPA & Respondents request at 5/6/96 mtg, discusses major cost items which were not included in focused feasibility study (FFS), (faxed) 014 1020 0577 0639-93078 1996/05/21 Dames & Moore - Diagrams: Location of horizontal containment zone C using cross sections G-G' or K-K' (drafts), & mean benzene concentrations in gw 014 1023 0578 0639-03224 1996/05/21 Hooshang Nezafati / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Memo: Summary of sampling activities conducted on 4/15/96 with validated analytical results, w/photos 014 1030 0579 0639-92386 1996/05/21 Dames & Moore - Map: Location of horizontal containment zone "c" using cross section K-K' thru Waste Pit area (draft), marginalia 014 1036 0580 0639-93106 1996/05/24 Shell Oil Co Environmental Protection Agency - Region 9 Workplan, supplemental subsurface soil sampling eastern portion of Lot 37- eastern evaporation pond, w/TL 5/24/96 to J Rosati fr C Paine, & fax TL 014 1038 0581 0639-03225 1996/05/31 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Review & comments re 3/11/96 final draft focused feasibility study (FFS) rpt, w/memo 5/1/96 fr engineering & geology support unit re FFS comments 014 1046 0582 0639-03250 1996/06/00 Dames & Moore - 4 diagrams re petroleum hydrocarbons 014 1057 0583 0639-93082 1996/06/00 Jeffrey Dhont / Environmental Protection Agency - Region 9 - Table re EPA proposed standards for soil vapor extraction under Waste Pits 014 1062 0584 0639-93334 1996/06/06 Jeffrey Dhont / Environmental Protection Agency - Region 9 - Memo: Discussion on Waste Pits/FFS/SVE remedy portion with Shell/Dames & Moore 014 1064 0585 0639-93154 1996/06/07 Gabriel Silva / C H 2 M Hill - Daily inspection diary for eastern evaporation ponds, date range 6/6/96-6/7/96 014 1068 0586 0639-03253 1996/06/10 Dames & Moore Shell Oil Co Final draft focused FS rpt, Del Amo waste pit area 014 1074 0587 0639-03242 1996/06/10 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits final draft focused feasibility rpt, & response to EPA comments dated 5/2/96 focused feasibilty study (FFS) rpt, w/comments, w/o rpt 014 2279 0588 0639-03249 1996/06/11 John Blevins / Environmental Protection Agency - Region 9 Cynthia Babich / Del Amo Action Committee Ltr: Response to 5/29/96 ltr to E Laws & K Takata re concerns about removal of DDT fr JO"D" sewer line, & mediated buy-out offer made to community 014 2323 0589 0639-93178 1996/06/17 Dames & Moore Shell Oil Co Gw monitoring rpt, 1st sampling period 1996, Del Amo, w/TL to J Dhont fr C Paine & distribution list 015 0001 0590 0639-02211 1996/06/25 John Dudley / Dames & Moore Jeff Dhont / Environmental Protection Agency - Region 9 TL: Gw monitoring rpt, 3rd sampling period 1995 015 0674 0591 0639-93079 1996/06/26 Richard Haimann / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Comments to 6/19/96 final draft focused feasibility study (FFS) 015 0676 0592 0639-03251 1996/06/27 Barry Johnson / US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry Cynthia Babich / Del Amo Action Committee Ltr: Response to ltrs of 5/13/96 & 5/29/96 re issues related to activities being undertaken by ATSDR in the community living near site 015 0693 0593 0639-92340 1996/07/00 Environmental Protection Agency - Region 9 - Fact sheet: Air & dust sampling confirms no unsafe chemical levels in 204th St houses (English & Spanish) 015 0696 0594 0639-92480 1996/07/10 Melody Embree / C H 2 M Hill Jeffrey Dhont / Environmental Protection Agency - Region 9 Memo: Transmits task activities for preparing community relations plan for Del Amo/Montrose, w/encl & fax TL to J Dhont fr M Embree 015 0705 0595 0639-92378 1996/07/11 Christine Roberts / C H 2 M Hill Jeffrey Dhont / Environmental Protection Agency - Region 9 Memos: Community relations activities updates for Del Amo/Montrose for periods 3/5/96-7/10/96, w/TLs 015 0709 0596 0639-02268 1996/07/26 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Review & comments re draft final focused feasibility study (FFS) rpt 015 0744 0597 0639-93144 1996/07/31 Brian Geers / Quality Analytical Laboratories, Inc Richard Haimann / C H 2 M Hill Ltr: Transmits analytical data for Del Amo field oversight for samples received on 6/8/96, w/data 015 0750 0598 0639-03258 1996/08/07 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Proposed State applicable & relevant or appropriate requirements (ARARs), w/copies of previously submitted ARARs & additional ARARs 015 1010 0599 0639-03252 1996/08/21 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Approval of 4/30/96 data summary rpt, measurement of emission rates & speciation of vapor phase contaminats fr disturbed waste 015 1037 0600 0639-93142 1996/08/23 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Comments on 6/10/96 draft final focused FS rpt, w/attchs (vapor extraction, & 7/5/96 memo re health risk assessment) 015 1039 0601 0639-03257 1996/09/03 Janet Rosati / Environmental Protection Agency - Region 9 File Memo: Dames & Moore comments on 2/96 draft waste excavation feasibility study - excavation under enclosure using conventional equipment, w/o attch 015 1062 0602 0639-93147 1996/09/04 Chuck Paine / Shell Oil Co Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Transmits response to EPA comments on final focused feasibility (FFS) rpt, Del Amo Waste Pit Area, w/encl 015 1066 0603 0639-03281 1996/09/16 Del Amo Action Committee - Petition signed by Del Amo residents who are in agreement that Waste Pits should be totally excavated, w/o TL (faxed) 015 1080 0604 0639-03254 1996/09/19 Hooshang Nezafati / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Comments to draft final focused FS, Del Amo Waste Pits, 9/4/96 (unsigned) 015 1090 0605 0639-03280 1996/09/19 Hooshang Nezafati / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Ltr: Response to ltr fr C Paine dated 9/4/96 (unsigned) 015 1098 0606 0639-93156 1996/09/24 Richard Haimann / C H 2 M Hill Janet Rosati / Environmental Protection Agency - Region 9 Technical memo: Supplemental comments to draft Del Amo focused FS dated 9/4/96 015 1103 0607 0639-93155 1996/09/30 Chuck Paine / Shell Oil Co Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Ltr: Transmits response to Dept of Toxic Substances Control comments on final draft focused feasibility study (FFS) rpt, w/encl 015 1105 0608 0639-03279 1996/10/08 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: EPA response to attachment to 9/4/96 cover ltr transmitting final draft focused feasibility study (FFS) rpt 015 1123 0609 0639-03278 1996/10/18 Janet Rosati / Environmental Protection Agency - Region 9 Chuck Paine / Shell Oil Co Ltr: Comments on 9/4/96 final draft focused feasibility study (FFS) rpt, Del Amo Waste Pit Area 015 1130 0610 0639-93150 1996/10/21 Cynthia Babich / Del Amo Action Committee Michael Lythcott / Lythcott Co, The Ltr: Discusses morning conference call & transmits comments on proposal sent by R Heldt, w/attch 015 1136 0611 0639-93179 1996/10/24 John Dudley / Dames & Moore Janet Rosati / Environmental Protection Agency - Region 9 Memos: Notification of Del Amo project field activities & sample loading forecasts for 1/1/96-11/1/96, w/fax TLs to J Dhont fr J Dudley, 12/95-10/96 015 1139 0612 0639-03216 1996/11/06 Dames & Moore - Options for presentation of cost in proposed plan, waste pit area, w/marginalia & TL to J Rosati fr D Laney 016 1195 0617 0639-92489 1996/11/12 Cynthia Babich / Del Amo Action Committee Bill Clinton Ltr: Health & relocation concerns of residents living near Del Amo Waste Pits, w/fax TL 015 1305 0613 0639-93180 1996/11/19 John Lyons / Environmental Protection Agency - Region 9 - Office of Regional Counsel Randall Heldt / Shell Oil Co Ltr: Transmits EPA ARAR comments on 6/10/96 final draft focused FS for Del Amo Waste Pit OU, w/comments 015 1309 0614 0639-93183 1996/11/20 Environmental Protection Agency - Region 9 - List of US EPA guidance documents consulted during development & selection of response action for site 015 1314 0615 0639-93345 1996/12/00 Environmental Protection Agency - Region 9 - Fact sheet: EPA announces proposed plan for cleanup of Del Amo waste pits, w/copy in Spanish 016 1199 0618 0639-03446 1996/12/10 Dames & Moore Shell Oil Co Final focused FS (FFS) rpt, waste pit area, w/TL, 12/10/96, & 12/11/96 EPA approval ltr 016 0001 0616 0639-03311 1997/01/00 Environmental Protection Agency - Region 9 - Fact sheet: Supplement to proposed plan for cleanup of waste pit area - strategy for setting soil cleanup standards to protect gw w/copy in Spanish 016 1230 0619 0639-93317 1997/09/05 Environmental Protection Agency - Region 9 - Record of decision package for waste pits OU, including ROD, attchs (ARARs & response summary), EPA concurrences & state concurrence ltr (02 ROD 01) 016 1239 0620 0639-01335 1998/03/00 Environmental Protection Agency - Office of Solid Waste & Emergency Response - Excerpt: On-site incineration - overview of Superfund operating experience, proposed regulations 017 0013 0623 0639-96143 1998/11/00 Cynthia Wetmore / Environmental Protection Agency - Region 9 - Compendium of treatment technologies for vapor phase contaminants (vapor treatment), w/TL to H Nezafati fr H Ball 6/2/99 017 0016 0624 0639-07794 1998/11/00 E O Systems, Inc - Drawing: Process flow diagram for CerOx system 4, figure 2-4, CerOx Corp technology verification 017 0395 0625 0639-96412 1998/11/30 Keith Takata / Environmental Protection Agency - Region 9 Environmental Protection Agency - Region 9 Email: Thermal destruction technologies, w/forward to D Rodriguez fr H Ball 6/10/02 017 0397 0626 0639-96407 1999/03/02 Environmental Protection Agency - Region 9 - Fact Sheet: Demonstration of the KSE Inc adsorption integrated reaction process, w/attchs & fax transmittal to D Rodriguez fr J Williams 017 0400 0627 0639-07796 1999/03/04 Dante Rodriguez / Environmental Protection Agency - Region 9 Peter Garcia / CA Environmental Protection Agency - Dept of Toxic Substances Control Email: Draft mtg agenda for Del Amo/Montrose partnership conference call meeting, w/marginalia 017 0409 0628 0639-96957 1999/03/11 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Memo: Transmits 4 items on vapor treatment in response to requests made during 3/10 conference call, w/attchs 017 0411 0629 0639-06882 1999/03/15 Dante Rodriguez / Environmental Protection Agency - Region 9 Cindy Babich / Del Amo Action Committee Memo: Transmits list of chemicals with notations indicating media where they were found, w/attch & TL to D Rodriguez fr C Babich 3/10/99 017 0448 0630 0639-96408 1999/03/18 Ed Bourke / C 2 R E M (Company) Del Amo Partners Remediation Subgroup Memo: Transmits vapor phase technology assessment, w/attch 017 0454 0631 0639-06883 1999/03/22 Dante Rodriguez / Environmental Protection Agency - Region 9 - Excerpts: Table 6.2 - Basis, initial soil & soil vapor levels, w/encls (meeting handouts) 017 0468 0632 0639-06950 1999/05/00 John Spisak / American Purification, Inc Hooshang Nezafati / C H 2 M Hill Ltr: Transmits product literature re American Purification & microwave regeneration, w/encls 017 0477 0633 0639-07797 1999/07/00 C H 2 M Hill Environmental Protection Agency - Region 9 Engineering evaluation of technologies for treating contaminated vapors at Del Amo Waste Pits OU 017 0491 0634 0639-05502 1999/07/31 California Communities Against Toxics - Alternative Technologies Forum 2, meeting agenda & handouts, w/marginalia (Redacted, FOIA Ex 6, personal privacy) 017 0552 0635 0639-06892 1999/07/31 - - Selected alternative technologies data gaps, w/marginalia (partners forum) 017 0602 0636 0639-07795 1999/08/02 Celia Bloomfield / Environmental Protection Agency - Washington, D C Environmental Protection Agency - Region 9 Email: Transmits press release - EPA tightens standards for air emissions fr hazardous waste, w/attch 017 0613 0637 0639-96145 1999/08/23 Dante Rodriguez / Environmental Protection Agency - Region 9 Cindy Babich / Del Amo Action Committee Email: Criteria organization, w/marginalia 017 0617 0638 0639-96440 1999/08/30 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Incremental risk level for dioxin emission fr thermal oxidizer, w/attch 017 0619 0639 0639-96144 1999/09/00 - - Data gap answers, membrane separation 017 0623 0640 0639-96444 1999/09/02 Hooshang Nezafati / C H 2 M Hill Harold Ball / Environmental Protection Agency - Region 9 Email: Technology assessment worksheet for resin adsorption with onsite regeneration, w/o attch 017 0627 0641 0639-96413 1999/09/02 Hooshang Nezafati / C H 2 M Hill Harold Ball / Environmental Protection Agency - Region 9 Email: Technology assessment worksheet - membrane separation, w/o duplicate attch 017 0632 0642 0639-96414 1999/09/02 Hooshang Nezafati / C H 2 M Hill Harold Ball / Environmental Protection Agency - Region 9 Email: Technology assessment worksheet - biofiltration, w/marginalia, w/o duplicate attch 017 0637 0643 0639-96415 1999/09/02 Hooshang Nezafati / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Email TL: Technology assessment for biofiltration, carbon adsorption & membrane separation, w/o attchs 017 0642 0644 0639-96416 1999/09/07 Hooshang Nezafati / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Technology assessment worksheet - carbon adsorption, onsite regeneration, w/o duplicate attch 017 0644 0645 0639-96417 1999/09/08 Dante Rodriguez / Environmental Protection Agency - Region 9 - Update to action plan for remediation task 017 0649 0646 0639-96411 1999/09/14 Dante Rodriguez / Environmental Protection Agency - Region 9 - Assessment of Ameripure's resin adsorption & regeneration process 017 0651 0647 0639-96429 1999/09/15 Hooshang Nezafati / C H 2 M Hill Harold Ball / Environmental Protection Agency - Region 9 Email: Technology assessment worksheet - carbon adsorption with onsite regeneration, w/o duplicate attch 017 0655 0648 0639-96418 1999/09/17 Cynthia Wetmore / Environmental Protection Agency - Region 9 - Del Amo biofiltration summary, w/additional info on biofiltering fr ORD 017 0660 0649 0639-06889 1999/09/17 Cynthia Babich / Del Amo Action Committee Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Ameripure - request to follow up on data gaps fr round 1, Alternative Technologies Forum, Ameripure follow-up 017 0673 0650 0639-96434 1999/09/27 Richard Haimann / C H 2 M Hill C H 2 M Hill Email: Newsclip re catalytic filter used for dioxin treatment, w/o duplicate attch 017 0678 0651 0639-96419 1999/09/27 Harold Ball / Environmental Protection Agency - Region 9 Jeffrey Dhont / Environmental Protection Agency - Region 9 Email: Comments on newsclip re catalytic filter used for dioxin treatment, w/o history 017 0681 0652 0639-96955 1999/10/06 California Communities Against Toxics - Mtg Agenda: Alternative Technologies Forum 3, 10/6/99, w/TL to H Ball fr C Babich 9/16/99 017 0683 0653 0639-96432 1999/10/07 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Technical memo re liquid solvent recycling options evaluation, w/forward fr H Nezafati 10/12/99 017 0687 0654 0639-96953 1999/10/18 Hooshang Nezafati / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Technology assessment worksheet - photocatalytic oxidation, w/o duplicate attch 017 0691 0655 0639-96423 1999/10/18 Hooshang Nezafati / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Technology assessment worksheet - electrochemical oxidation, w/duplicate attch 017 0696 0656 0639-96424 1999/10/21 Harold Ball / Environmental Protection Agency - Region 9 Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Comments on technology assessment worksheet - electrochemical oxidation, w/marginalia by D Rodriguez 017 0701 0657 0639-96956 1999/10/22 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Draft technical memo - ARARs assessment for alternative means of air emission controls, w/forward fr H Nezafati 017 0703 0658 0639-96952 1999/10/27 Dante Rodriguez / Environmental Protection Agency - Region 9 Ed Bourke / C 2 R E M (Company) Email: Forwarding series of emails to provide update on progress of Partners Remediation Subgroup re vapor treatment technology issue, w/marginalia 017 0708 0659 0639-96447 1999/10/29 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Correction to technology assessment worksheet - electrochemical oxidation, w/history 017 0710 0660 0639-96425 1999/11/00 C H 2 M Hill Environmental Protection Agency - Region 9 Evaluation of process trains for SVE system at Del Amo Waste Pits OU 017 0713 0661 0639-05503 1999/11/00 Environmental Protection Agency - Region 9 - Fact Sheet: Del Amo site update, w/additonal details re workshop on 11/22/99 (English & Spanish) 017 0767 0662 0639-96448 1999/11/03 Gloria Conti / CA Environmental Protection Agency - Dept of Toxic Substances Control Andrew Bain / Environmental Protection Agency - Region 9 Email: Comments on pits vapor treatment draft fact sheet, w/forward to D Rodriguez fr A Bain 11/8/99 & marginalia (comments on fact sheet 1) 017 0773 0663 0639-96451 1999/11/04 Jane Williams / California Communities Against Toxics Environmental Protection Agency - Region 9 Comments on draft fact sheet, Del Amo update, w/email TL to Colleagues & reply to 2 issues by G Conti 11/5/99 (comments on fact sheet 1) 017 0775 0664 0639-96452 1999/11/09 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Email: Forwards formulation & screening of process trains, w/attchs 017 0780 0665 0639-06879 1999/11/10 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Email: Forwards detailed evaluation of process trains 017 0792 0666 0639-06880 1999/11/10 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Memo: Transmits attchs to 11/10/99 email re detailed evaluation of treatment, w/attchs 017 0805 0667 0639-06881 1999/11/10 Cynthia Babich / Del Amo Action Committee Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Ameripure data gaps generated at 10/6/99 forum, Alternative Technologies Forum follow-up 017 0817 0668 0639-96433 1999/11/22 George Bair, Resident / City of Torrance Dante Rodriguez / Environmental Protection Agency - Region 9 Ltr: Oppose use of incineration at site (Redacted, FOIA Ex 6, personal privacy) 017 0819 0669 0639-96446 1999/11/22 Environmental Protection Agency - Region 9 - Handouts & posters fr community meeting 017 0822 0670 0639-96843 1999/11/24 Harold Ball / Environmental Protection Agency - Region 9 Cynthia Wetmore / Environmental Protection Agency - Region 9 Email: Preliminary notes on Air2000 conversations 017 0828 0671 0639-96377 1999/12/00 Environmental Protection Agency - Region 9 - Fact Sheet: Del Amo site update (English & Spanish) 017 0831 0672 0639-06945 1999/12/07 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Revised cost estimate for 2 biological treatment alternatives based on PRP comments, w/attchs 017 0844 0673 0639-06884 1999/12/07 C Paine / Shell Oil Co Keith Takata / Environmental Protection Agency - Region 9 Ltr: Transmits review of process train alternatives 3 & 4 & resume of reviewer, Frank Castaldi, w/encls 017 0851 0674 0639-06887 1999/12/07 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Further preliminary design for air treatment options 017 0881 0675 0639-96223 1999/12/08 Cynthia Wetmore / Environmental Protection Agency - Region 9 Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Maximum concentration of benzene & flow rate for photocatalytic process 017 0883 0676 0639-96378 1999/12/10 Cynthia Wetmore / Environmental Protection Agency - Region 9 Dante Rodriguez / Environmental Protection Agency - Region 9 Email: ORD re Shell comments on proposed biofilter 017 0885 0677 0639-96221 1999/12/15 Cynthia Wetmore / Environmental Protection Agency - Region 9 Harold Ball / Environmental Protection Agency - Region 9 Email: Del Amo biofilter, conversation with Dr Bohn re use of Bohn filters at site 017 0887 0678 0639-96220 1999/12/15 Hinrich Bohn / Univ of Arizona - Dept of Soil, Water, Environmental Science Cynthia Wetmore / Environmental Protection Agency - Region 9 Email: SVE of benzene, w/reply & forward to D Rodriguez & J Dhont fr H Ball 12/16/99 017 0889 0679 0639-96380 1999/12/16 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Revised cost estimate for biofiltration alternatives for air emission control, Del Amo Waste Pits OU, w/attchs 017 0892 0680 0639-06885 1999/12/23 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Response to review of 12/6/99 process train alternatives memo, by Radian Corp 017 0899 0681 0639-06886 1999/12/29 Jeff Munic / C H 2 M Hill Gloria Conti / CA Environmental Protection Agency - Dept of Toxic Substances Control Email: Dioxin sampling costs, w/history 017 0907 0682 0639-96385 2000/01/00 C H 2 M Hill Environmental Protection Agency - Region 9 Conceptual design of SVE system with biofiltration treatment & adsorption polishing (final)(vapor treatment) 017 0909 0683 0639-07604 2000/01/04 Del Amo Partners Remediation Subgroup - Minutes, attendee lists, agendas & email for Del Amo/Montrose partnership conference call meetings, 6/99-1/2000 017 1018 0684 0639-06943 2000/01/04 Dante Rodriguez / Environmental Protection Agency - Region 9 Kimi Klein / CA Environmental Protection Agency - Dept of Toxic Substances Control Email: Evaluating risks of technology alternatives 017 1109 0685 0639-96382 2000/01/06 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Email: Partners Remediation Subgroup conference call meeting, 1/7/00, call-in number, w/marginalia 017 1111 0686 0639-96960 2000/01/12 Jeff Munic / C H 2 M Hill Michael Montgomery / Environmental Protection Agency - Region 9 Memo: Transmits materials re progress on conceptual design for SVE & biofilter in preparation for meeting, w/meeting agenda & attchs 017 1113 0687 0639-06888 2000/01/13 Harold Ball / Environmental Protection Agency - Region 9 Del Amo Partners Technical Subgroup Email: Draft evaluation of risk fr remedial alternatives 017 1174 0688 0639-96384 2000/01/15 Resident -- / City of Torrance Andrew Bain / Environmental Protection Agency - Region 9 Comments - Del Amo site update & workshop, Waste Pits vapor treatment (Redacted, FOIA Ex 6, personal privacy) 017 1178 0689 0639-06941 2000/01/15 Environmental Protection Agency - Region 9 - Meeting sign-in sheet, Del Amo Waste Pits workshop (Redacted, FOIA Ex 6, personal privacy) 017 1187 0690 0639-96202 2000/01/20 Richard Haimann / C H 2 M Hill Michael Montgomery / Environmental Protection Agency - Region 9 Memo: Transmits biofilter design presentation materials for 1/21/00 technical subgroup meeting, w/o attchs 017 1193 0691 0639-96194 2000/01/20 Jeff Munic / C H 2 M Hill Michael Montgomery / Environmental Protection Agency - Region 9 Technical Memo: Risk calculation of treated stack emissions fr SVE system at Del Amo Waste Pits, w/attch 017 1195 0692 0639-96195 2000/02/07 Ken Fredianelli / Parsons Engineering Science Chuck Paine / Shell Oil Co Ltr: Dispersion modeling for proposed biofilter 017 1199 0693 0639-96196 2000/02/22 Jane Williams / California Communities Against Toxics Harold Ball / Environmental Protection Agency - Region 9 Ltr: Comments on conceptual design of SVE system with biofiltration treatment & adsorption polishing 017 1202 0694 0639-96197 2000/02/23 Jeff Munic / C H 2 M Hill Michael Montgomery / Environmental Protection Agency - Region 9 Technical Memo: Revised enhanced thermal oxidizer cost estimate, w/tables 1&2 017 1205 0695 0639-96179 2000/02/23 Chuck Paine / Shell Oil Co Michael Montgomery / Environmental Protection Agency - Region 9 Ltr: Comments on conceptual design of SVE system with biofiltration treatment & adsorption polishing, w/o encl 017 1211 0696 0639-96198 2000/02/25 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Michael Montgomery / Environmental Protection Agency - Region 9 Ltr: Comments on conceptual design of SVE system with biofiltration treatment & adsorption polishing 017 1216 0697 0639-96199 2000/03/15 Richard Haimann / C H 2 M Hill Michael Montgomery / Environmental Protection Agency - Region 9 Memo: Transmits first step for Del Amo pits site SVE alternative subsurface flow rate evaluation, w/attch (bioventing) 017 1220 0698 0639-06281 2000/03/16 C H 2 M Hill - Draft method for estimating vapor flows necessary to operate SVE system at Del Amo pits 017 1228 0699 0639-06930 2000/03/20 Caroline Melton / C H 2 M Hill Jeff Munic / C H 2 M Hill Technical Memo: Operating requirements for thermal oxidizer operated as hazardous waste incinerator, w/attch 017 1235 0700 0639-06935 2000/03/24 Harold Ball / Environmental Protection Agency - Region 9 Lee Smith / Halliburton, Inc Email: Compares bioscrubber & biofilter approaches, w/email history 017 1247 0701 0639-96200 2000/03/27 Ken Fredianelli / Parsons Engineering Science Chuck Paine / Shell Oil Co Ltr: Dispersion modeling for proposed biofilter 017 1250 0702 0639-96201 2000/03/28 C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Alternative approach to bioventing 017 1253 0703 0639-96167 2000/04/00 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo/Montrose Partners Ltr: Transmits response to comments on biofiltration conceptual design & follow-up to questions, w/o attch 017 1256 0704 0639-96186 2000/04/03 Jeff Munic / C H 2 M Hill Michael Montgomery / Environmental Protection Agency - Region 9 Technical Memo: Response to comments, biofiltration treatment conceptual design 017 1259 0705 0639-06937 2000/04/11 Jeff Munic / C H 2 M Hill Del Amo Partners Technical Subgroup Email: Del Amo site partners technical subgroup conference call, w/attchs 017 1267 0706 0639-06931 2000/04/12 Ed Bourke / C 2 R E M (Company) - Handouts fr 4/12/00 meeting/conference call 017 1293 0707 0639-06932 2000/04/13 Jeff Munic / C H 2 M Hill Michael Montgomery / Environmental Protection Agency - Region 9 Technical Memo: Response to comments, biofiltration treatment conceptual design 017 1345 0708 0639-06938 2000/04/19 Jeff Munic / C H 2 M Hill Michael Montgomery / Environmental Protection Agency - Region 9 Technical Memo: Revised thermal oxidizer cost estimate, w/attchs 017 1353 0709 0639-06936 2000/04/20 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Email: Mtg notice & draft agenda, Partners Remediation Subgroup, 4/27/00, w/marginalia & attch 017 1369 0710 0639-96959 2000/04/21 Harold Ball / Environmental Protection Agency - Region 9 Cindy Babich / Del Amo Action Committee Memo: Transmits meeting handout materials fr 4/12/00 technical subgroup meeting (bioventing), w/o encl 017 1373 0711 0639-96169 2000/04/27 Frank Castaldi / Radian International L L C John Dudley / Dames & Moore Group Memo: Application of adsorption technology to treatment of SVE system emissions 017 1375 0712 0639-96170 2000/05/00 C 2 R E M (Company) Del Amo Respondents SVE baseline monitoring results & low flow SVE evaluation rpt, w/TL fr E Bourke 5/2/00 017 1379 0713 0639-06939 2000/05/03 Richard Haimann / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Del Amo pits SVE treatment cost estimate, resin adsorption, low flow, w/attch 017 1553 0714 0639-96171 2000/05/16 Dante Rodriguez / Environmental Protection Agency - Region 9 Jane Williams / California Communities Against Toxics TL: Phase 1 treatability study evaluation rpt, & 3/11/99 memo to Partnership Subcommittee 017 1557 0715 0639-96190 2000/05/24 John Hart / CA Environmental Protection Agency - Dept of Toxic Substances Control Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Comments on potential thermal oxidizer cost increase, w/history 017 1559 0716 0639-96181 2000/06/08 Dante Rodriguez / Environmental Protection Agency - Region 9 - Comments on revised thermal oxidizer cost estimate fr 6/8/00 conference call, Del Amo Partners Remediation Subgroup 017 1561 0717 0639-96183 2000/06/09 Harold Ball / Environmental Protection Agency - Region 9 J Hart / CA Environmental Protection Agency - Dept of Toxic Substances Control Email: Incinerators, controlled flame (thermal oxidizer) 017 1564 0718 0639-96182 2000/06/21 Jeffrey Munic / C H 2 M Hill Hooshang Nezafati / C H 2 M Hill Email: Response to request for continuous emission monitoring system O&M cost estimate, w/attchs, forward to D Rodriguez 6/22/00 017 1566 0719 0639-96173 2000/06/23 Mark Berscheid / CA Environmental Protection Agency - Dept of Toxic Substances Control Gloria Conti / CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: Comments on SVE low flow proposal, w/TL to D Rodriguez fr G Conti 8/18/00 017 1572 0720 0639-96174 2000/06/28 Dorothy Rice / CA Environmental Protection Agency - Dept of Toxic Substances Control CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: No DTSC policy against using catalytic or thermal oxidation to remediate sites 017 1577 0721 0639-96192 2000/06/30 Richard Haimann / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Del Amo pits SVE treatment cost estimate - high flow resin, & carbon adsorption, with onsite regeneration 017 1579 0722 0639-96138 2000/06/30 Richard Haimann / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Draft In-situ biodegradation analysis at Del Amo pits 017 1585 0723 0639-96177 2000/06/30 Richard Haimann / C H 2 M Hill Hooshang Nezafati / C H 2 M Hill Email: Response to comments, Del Amo vapor treatment, w/history & forward to D Rodriguez 7/7/00 017 1589 0724 0639-96178 2000/07/18 Dominic DiGiulio / Environmental Protection Agency - National Risk Management Research Laboratory Harold Ball / Environmental Protection Agency - Region 9 Memo: Evaluation of bioventing option at Del Amo site, w/attchs 017 1592 0725 0639-06933 2000/08/03 Dante Rodriguez / Environmental Protection Agency - Region 9 - Final internal briefing notes (Privileged, FOIA Ex 5, deliberative process) 017 1656 0726 0639-06873 2000/08/09 Dante Rodriguez / Environmental Protection Agency - Region 9 - Analysis of vapor treatment technology, w/attchs (final briefing) 017 1658 0727 0639-06874 2000/08/09 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Email: Mtg notice & draft agenda for Partners Remediation Subgroup, 8/14/00, w/marginalia & attch 017 1663 0728 0639-96958 2000/08/10 Dante Rodriguez / Environmental Protection Agency - Region 9 - Cost estimates, w/marginalia 017 1667 0729 0639-06875 2000/08/10 Dante Rodriguez / Environmental Protection Agency - Region 9 - Technology screening & evaluation process 017 1677 0730 0639-96139 2000/08/10 Dante Rodriguez / Environmental Protection Agency - Region 9 - Comparison of vapor treatment alternatives 017 1679 0731 0639-96140 2000/08/21 Environmental Protection Agency - Region 9 - Vapor treatment technology, final decision making briefing, w/marginalia & attchs 017 1684 0732 0639-06876 2000/08/23 Harold Ball / Environmental Protection Agency - Region 9 Dante Rodriguez / Environmental Protection Agency - Region 9 Email: RCRA rules, w/marginalia 017 1695 0733 0639-96184 2000/08/30 Harold Ball / Environmental Protection Agency - Region 9 Cynthia Wetmore / Environmental Protection Agency - Region 9 Email: Transmits web address to download file - "Choosing an adsorption system for VOC," w/attch 017 1699 0734 0639-96405 2000/09/05 Chuck Paine / Shell Oil Co Keith Takata / Environmental Protection Agency - Region 9 Ltr: Respondents comments on vapor treatment technology assessment 017 1707 0735 0639-96141 2000/09/06 John Hart / CA Environmental Protection Agency - Dept of Toxic Substances Control Gloria Conti / CA Environmental Protection Agency - Dept of Toxic Substances Control Memo: Recommendation on alternative technologies for Del Amo pits SVE, w/TL to D Rodriguez & J Kemmerer fr H Salloum 9/11/00 017 1711 0736 0639-06877 2000/09/06 Environmental Protection Agency - Region 9 - Vapor treatment technology, final decision making briefing, w/marginalia & attch (final briefing for K Takata) 017 1720 0737 0639-06878 2000/09/18 Jeffrey Munic / C H 2 M Hill Hooshang Nezafati / C H 2 M Hill Email: Benzene recycling, w/forward to D Rodriguez 017 1729 0738 0639-96370 2000/09/24 Cynthia Babich / Del Amo Action Committee Edwin Lowry / CA Environmental Protection Agency - Dept of Toxic Substances Control Ltr: Concerns re incinerator to destroy soil vapors captured by SVE & support for non-incineration alternative technologies, w/env 017 1731 0739 0639-96758 2000/09/25 Del Amo Partners Remediation Subgroup - Meeting agendas & minutes - Partners Remediation Subgroup (3/13/00-9/25/00) 017 1734 0740 0639-06934 2000/10/22 Chuck Paine / Shell Oil Co Keith Takata / Environmental Protection Agency - Region 9 Email: Alternative technologies for SVE treatment system (vapor treatment), w/forward to H Ball 10/24/00 017 1771 0741 0639-96950 2000/10/24 Jeffrey Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Response to Shell's comments re SVE treatment system, w/history 017 1774 0742 0639-96372 2000/10/25 Harold Ball / Environmental Protection Agency - Region 9 Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Forwards & discusses message re American Purification, Inc, resin system, w/history 017 1777 0743 0639-96373 2000/10/27 Dante Rodriguez / Environmental Protection Agency - Region 9 - Shell technical issue & EPA response, Shell statements & EPA rebuttal (Redacted, FOIA Ex 5, deliberative process) 017 1781 0744 0639-96374 2000/11/06 Dante Rodriguez / Environmental Protection Agency - Region 9 Harold Ball / Environmental Protection Agency - Region 9 Email: Transmits proposed mtg agenda 11/8/00, w/history & attchs 017 1784 0745 0639-96375 2000/11/30 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Email: Update on vapor treatment decision 017 1793 0746 0639-96376 2000/12/05 Dante Rodriguez / Environmental Protection Agency - Region 9 Diana Peebler / CA Environmental Protection Agency - Dept of Toxic Substances Control Ltr: Request for interpretation of hazardous waste management regulations re recovered liquid waste (vapor treatment) 017 1795 0747 0639-96757 2001/01/20 American Purification, Inc Environmental Protection Agency - Region 9 Proposal for pilot study (vapor treatment), w/attchs 017 1798 0748 0639-07798 2001/01/25 Richard Haimann / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Dispersion modeling analysis, vapor treatment, w/attchs 017 1816 0749 0639-07793 2001/02/01 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Review of American Purification system proposal (vapor treatment) 017 1843 0750 0639-96756 2001/02/23 Richard Haimann / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Review of American Purification system proposal follow-up to conference call 2/15/01 (vapor treatment), w/attch 017 1847 0751 0639-96755 2001/03/12 Diana Peebler / CA Environmental Protection Agency - Dept of Toxic Substances Control Dante Rodriguez / Environmental Protection Agency - Region 9 Ltr: Recycling options for benzene recovered fr site, vapor treatment 017 1852 0752 0639-96954 2001/03/21 Dante Rodriguez / Environmental Protection Agency - Region 9 Steve Sharp / American Purification, Inc Ltr: Questions re proposal for pilot study, vapor treatment, w/attch 017 1857 0753 0639-96754 2001/04/05 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Email: Update re vapor treatment decision, w/history, w/o attchs 017 1862 0754 0639-96775 2001/05/08 John Spisak / American Purification, Inc Dante Rodriguez / Environmental Protection Agency - Region 9 Email: Suspension of project due to lack of financing (vapor treatment) 017 1865 0755 0639-96780 2001/05/25 Dante Rodriguez / Environmental Protection Agency - Region 9 Del Amo Partners Remediation Subgroup Email: Update, status of technology issues, vapor treatment 017 1867 0756 0639-96951 2001/07/06 Jeff Munic / C H 2 M Hill Dante Rodriguez / Environmental Protection Agency - Region 9 Technical Memo: Potential vendors to implement onsite adsoption system for vapor treatment, w/attchs 017 1869 0757 0639-07792 2002/07/30 Haissam Salloum / CA Environmental Protection Agency - Dept of Toxic Substances Control Roberta Blank / Environmental Protection Agency - Region 9 Ltr: DTSC comments on explanation of significant differences (ESD) - - 0759 0639-97080 2002/08/13 Environmental Protection Agency - Region 9 - Explanation of significant differences (ESD) fr the Del Amo Waste Pits Record of Decision (ROD) 017 1887 0758 0639-07841

Region 9 Topics and Programs | A-Z Index