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Pacific Southwest, Region 9: Superfund

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

Middlefield-Ellis-Whisman (MEW) Study Area

Superfund Site

Update 1

Administrative Record Index

To request copies of administrative record documents, an electronic order form is available.

This administrative record file contains the documents that the U.S. Environmental Protection Agency (EPA) used to identify appropriate remedial activities for the Middlefield-Ellis-Whisman (MEW) Superfund Study Area, in Mountain View, California. The MEW Study Area is comprised of three National Priorities List (NPL) or Superfund Sites: Fairchild Semiconductor Corp – Mountain View Superfund site; Raytheon Company Superfund site; and Intel Corp. – Mountain View Superfund site and portions of the Naval Air Station Moffett Field Superfund site.
The administrative record file includes EPA’s 1989 Record of Decision (ROD) and EPA’s 1990 and 1996 Explanations of Significant Differences (ESD). The administrative record file also includes supporting analysis and information for the development of the July 2009 Proposed Plan for the Vapor Intrusion Pathway for the MEW Study Area in Mountain View and Moffett Field, California. The administrative record file is presented in compact disk (CD) format.

EPA welcomes questions and comments on documents contained in the administrative record file. Please contact:

Alana Lee
Remedial Project Manager
U.S. EPA (SFD-7-3)
75 Hawthorne Street
San Francisco, CA 94105-3972
(415) 972-3141
Lee.Alana@epa.gov
or:Viola Cooper
Community Involvement Coordinator
U.S. EPA (SFD-63)
75 Hawthorne Street
San Francisco, CA 94105-3972
(415) 972-3243 or (800) 231-3075
Cooper.Viola@epa.gov

List of Abbreviations and Acronyms Used in Administrative Record Index

AbbreviationMeaning
AOCAdministrative Order on Consent
App(s)Appendix(es)
ARAdministrative Record
ARAR(s)Applicable or Relevant & Appropriate Requirement(s)
ARCAmes Research Center
attch(s)Attachment(s)
attnAttention
AveAvenue
bldgBuilding
BNA Base Neutral/Acid
CACalifornia
CAGCommunity Advisory Group
CDMCamp Dresser McKee, Inc
CESCanonie Environmental Services Corp
CoCompany
CRWQCBCalifornia Regional Water Quality Control Board
CWRCBState Water Resources Control Board
DecDecember
DrDrive
DWDeep Well
EEast
EmailElectronic Mail
encl(s)Enclosure(s)
EPAEnvironmental Protection Agency
ex(s)Exemption(s)
FaxFacsimile
FOIAFreedom of Information Act
FSFeasibility Study
FSCFairchild Semiconductor Corporation
gwGroundwater
HLAHarding Lawson Associates
HRSHazardous Ranking System
IBMInternational Business Machines
IncIncorporated
InstInstrument
InvestigInvestigation
LLCLimited Liability Company
LtdLimited
Ltr(s)Letter(s)
MemoMemorandum
MEWMiddlefield-Ellis-Whisman
MtMountain
mtgMeeting
MtnMountain
NNorth
NASNaval Air Station
NASANational Aeronautics & Space Administration
NECCommunications Company
NMAC Northeast Mountain View Advisory Committee
NoNumber
NPLNational Priorities List
NRCNational Research Council
OUFSOperable Unit Feasibility Study
PCBPolychlorinated Biphenyl
PCEPerchloroethylene
PdfPortable Document Format
PESTPesticides
PRPPotentially Responsible Party
QA/QCQuality Assurance/Quality Control
RABRestoration Advisory Board
RCIResident Communities Initiative
RdRoad
reRegarding
RIRemedial Investigation
RI/EA/FSRemedial Investigation/Endangerment Assessment/Feasibility Study
RI/FSRemedial Investigation/Feasibility Study
rptReport
RWQCBCalifornia Regional Water Quality Control Board
SAPSampling & Analysis Plan
SCVWDSanta Clara Valley Water District
SDGSample Delivery Group
SemiconductSemiconductor
StStreet
SVESoil Vapor Extraction
TAGTechnical Assistance Grant
TCETrichloroethylene
TLTransmittal Letter
vVersus or Volume
VISix
UVUltraviolet
VOAVolatile Organic Analysis
VOC(s)Volatile Organic Compound(s)
VolVolume
w/With
w/oWithout

Administrative Record Index

Doc_dateAuthorAddresseeTitle_subjectDocid
11/14/1986James Oliver / Harding Lawson Assoc
James McClure / Harding Lawson Assoc
Environmental Protection Agency - Region 9Technical memorandum Francia well time series test for MEW RI/FS88167096
11/1/1987--Attachment B - On-Site Concentrations of Metals in Groundwater & Results of Priority Pollutant Dissolved Metals Analysis on Water Samples88166752
12/4/1987Harding Lawson AssocEnvironmental Protection Agency - Region 9Occurence of Antimony, Arsenic, Cadmium, & Lead in Publicly Sampled Water Supply Wells & Water Supply Systems, Santa Clara County88166771
1/4/1988I C F/ClementCamp Dresser & McKee, IncEndangerment Assessment (draft)88166772
1/8/1988Robert Bostic / Schlumberger Technology CorpGlenn Kistner / Environmental Protection Agency - Region 9(Privileged, FOIA exs 4 & 5) Ltr: Response to 11/25/87 ltr re: Administrative Record Index, draft (Privileged document target only)2118690
1/27/1988Keith Takata / Environmental Protection Agency - Region 9Robert Bostic / Schlumberger Technology CorpLtr: Delineation of EPA's position re "beneficial" uses of upper aquifers A & B (concurrence copy)88168513
2/1/1988Canonie Environmental Services CorpEnvironmental Protection Agency - Region 9Report Rezendes Well 23C*2 Pumping Test88166774
2/4/1988Glenn Kistner / Environmental Protection Agency - Region 9Robert Bostic / Schlumberger Technology CorpLtr: Response to 1/8/88 ltr re: Administrative Record Index w/concurrence copy88170487
2/8/1988David Hochmuth / Harding Lawson Assoc
James Jasperse / Harding Lawson Assoc
Raytheon CoSoil vapor extraction study for 350 Ellis88166918
3/1/1988Canonie Environmental Services Corp-Potential Conduits Study & Remediation Boundary Report, w/TL to Glenn Kistner 3/10/8888166621
3/3/1988Dennis Curran / Canonie Environmental Services CorpGlenn Kistner / Environmental Protection Agency - Region 9Ltr: Documenting selection of locations & screen intervals for additional "B1" aquifer monitoring wells north of Bayshore Freeway, w/Figure 188170492
3/11/1988--Comments on the Endangerment Assessment, w/TL to Glenn Kistner 3/23/8888166773
3/11/1988Dynamac Corp-Selection of metals of concern88166775
3/24/1988Eric Lappala / Harding Lawson Assoc-Ltr: Response to request for a technical summary of the modeling performed by CDM, w/Summary & distribution list88170496
4/4/1988Eric Lappala / Harding Lawson Assoc-Ltr: Summary of 3/3/88 mtg with CDM re modeling for RI/FS88170498
4/5/1988Robert Bostic / Schlumberger Technology CorpGlenn Kistner / Environmental Protection Agency - Region 9Ltr: Concerns re Camp, Dresser & McKee groundwater computer modeling88172505
4/5/1988Glenn Kistner / Environmental Protection Agency - Region 9Robert Bostic / Schlumberger Technology CorpLtr: EPA review of potential conduits study & remediation boundary report of March 1988 w/comments88166982
4/6/1988James McClure / Harding Lawson AssocRobert Bostic / Schlumberger Technology CorpLtr: Summary of activities for 3/8888173359
4/14/1988Canonie Environmental Services Corp-Water quality test results88168698
4/15/1988Dennis Curran / Canonie Environmental Services CorpRobert Bostic / Schlumberger Technology CorpLtr: Monthly status rpt 3/88, w/o encls88173388
4/25/1988Glenn Kistner / Environmental Protection Agency - Region 9George Gullage / Raytheon CoLtr: Determination that groundwater data contained in RI report is valid & adequate for purposes of RI/FS w/concurrence copy88170506
4/27/1988John Masterman / Intel CorpGlenn Kistner / Environmental Protection Agency - Region 9Ltr: Response to specific RI Report comments by EPA re: Intel's chemical use, handling, potential source & soil chemistry issues88170507
5/1/1988Canonie Environmental Services CorpFairchild Camera & Instrument Corp - Fairchild SemiconductorSemiannual status rpt 7/87 - 12/87 w/references, tables, figures, appendix A88166630
5/18/1988Glenn Kistner / Environmental Protection Agency - Region 9George Gullage / Raytheon CoLtr: Response to companies' letter on groundwater modeling88171228
5/20/1988Chein Ping Kao / CA Dept of Health Services - Toxic Substances Control DivHelen McKinley / Environmental Protection Agency - Region 9Ltr: Thank you for 4/19/88 ltr & 5/5/88 mtg, transmits list of state requirements that should be considered as ARARs for MEW site, w/encl88170514
6/14/1988Eric Lappala / Harding Lawson Assoc-Ltr: Description of additional data & documentation of modeling methodology used by CDM required to complete an adequate review88170520
6/15/1988George Gullage / Raytheon CoGlenn Kistner / Environmental Protection Agency - Region 9TL: 6/15/88 revision package for the RI Report originally submitted to EPA by the Companies on 6/30/87, w/o enclosures88170521
6/24/1988Dennis Curran / Canonie Environmental Services CorpRobert Bostic / Schlumberger Technology CorpLtr: Request for needed information on CDM Silva Well Model88170523
7/5/1988Robert Bostic / Schlumberger Technology CorpGlenn Kistner / Environmental Protection Agency - Region 9Ltr: CDM modeling efforts & mtg 6/15/88, w/o attchs88173389
7/11/1988George Gullage / Raytheon CoGlenn Kistner / Environmental Protection Agency - Region 9Ltr: Preliminary proposed responses of the Companies to EPA comments on draft Feasibility Study for MEW Study Area & 6/24/88 & 6/15/88 ltrs88166395
8/8/1988Phil Bobel / Environmental Protection Agency - Region 9George Gullage / Raytheon CoLtr: Approval of revised 6/15/88 RI Report subject to comments w/concurrence copy88170531
8/12/1988Glenn Kistner / Environmental Protection Agency - Region 9George Gullage / Raytheon CoLtr: Response to CR Bostic's 7/5/88 ltr re: CDM groundwater modeling w/concurrence copy88170533
9/2/1988I C F/ClementCamp Dresser & McKee, IncEndangerment assessment88166958
10/12/1988Canonie Environmental Services CorpSteven Ritchie / CA Regional Water Quality Control Board - San Francisco Bay RegionSemiannual status rpt 1/88 - 6/88 w/references, tables, figures, appendices A & B, & TL to C R Bostic 10/12/8888166631
10/21/1988Camp Dresser & McKee, IncEnvironmental Protection Agency - Region 9Evaluation of potential conduits, specifically Silva well & 6S2W223P2 (update of 5/2/88 doc)88167563
11/1/1988Environmental Protection Agency - Region 9-Fact Sheet: Middlefield-Ellis-Whisman (MEW) study area - EPA announces proposed plan to clean up MEW Superfund sites88167679
11/1/1988Environmental Protection Agency-List of guidance documents for MEW Superfund site88173358
11/1/1988Canonie Environmental Services Corp-Revised draft FS rpt (2 v), w/TL to G Kistner fr G Gullage 11/18/8888167656
11/23/1988Phil Bobel / Environmental Protection Agency - Region 9George Gullage / Raytheon CoLtr: Conditional approval of revised draft FS rpt submitted 11/18/88, & conditions88171948

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