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Pacific Southwest, Region 9: Superfund

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

Omega Chemical Corporation

Superfund Site

Remedial, Operable Unit 02 Interim Remedy, Suppl #2

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) considered and/or relied on in selecting an interim remedial action to contain groundwater contamination related to the Omega Chemical Corporation Superfund Site in the City of Whittier, Los Angeles County, California. It is presented in DVD format.
This administrative record file also includes by reference the documents in the Omega Chemical Corp. Superfund Site Non-Time-Critical Removal Administrative Record (6/30/95) and the Omega Chemical Corp. Superfund Site OU 01 Administrative Record (10/6/08).

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

Lynda Deschambault
Remedial Project Manager
U.S. EPA (SFD-7-1)
75 Hawthorne Street
San Francisco, CA 94105-3972
(415) 947-4183
deschambault.lynda@epa.gov
or:Jacqueline Lane
Community Involvement Coordinator
U.S. EPA (SFD-6-3)
75 Hawthorne Street
San Francisco, CA 94105-3972
(415) 972-3236 or (800) 231-3075
lane.jackie@epa.gov

List of Abbreviations and Acronyms Used in Administrative Record Index

ABBREVIATIONMEANING
1,2,3-TCP 1,2,3-Trichloropropane
APNAssessor Parcel Number
appAppendix
ARAdministrative Record
attch Attachment
AveAvenue
BlvdBoulevard
CA State of California
CDMCamp Dresser & McKee, Inc
chChapter
CoCompany
CorpCorporation
Cr 6+Hexavalent Chromium
dbaDoing Business As
Dr Drive
EEast
EE/CAEngineering Evaluation/Cost Analysis
enclEnclosure
envEnvelope
EPAUnited States Environmental Protection Agency
exExemption
exh Exhibit
FOIAFreedom of Information Act
fr From
FS Feasibility Study
FSP Field Sampling Plan
GPGeneral Partnership
info Information
IDIdentification
inInch
IncIncorporated
LLCLimited Liability Company
LPLimited Partnership
ltr Letter
memo Memorandum
MfgManufacturing
NDMA N-Nitrosodimethylamine
OPOG Omega Chemical Site PRP Organized Group
OU Operable Unit
p Page
PAHPolycyclic Aromatic Hydrocarbon
pHPower (Potential) of Hydrogen
PlPlace
pp Pages
PRP Potentially Responsible Party
PSVPPerformance Standard Verification Plan
QAPP Quality Assurance Project Plan
Rd Road
RD Remedial Design
re Regarding
refReference
RI Remedial Investigation
RODRecord of Decision
rpt Report
S South
SDG Sample Delivery Group
SIMSelective Ion Monitoring
SLICSpills, Leaks, Investigation & Cleanup
StStreet
SVOCSemivolatile Organic Compound
TLTransmittal Letter
TPH Total Petroleum Hydrocarbons
US United States
v Volume
VOC Volatile Organic Compound
w/ With
w/o Without

Administrative Record Index

Doc_dateAuthorAddresseeTitle_subjectDocid
10/14/2010Joseph Serrano, Sr / Southeast Water Coalition Joint Powers AuthorityLynda Deschambault / Environmental Protection Agency - Region 9Ltr: Confirms that deadline to comment on proposed plan for OU 2 groundwater interim remedy has been extended to 11/22/102246756
11/18/2010Betty Putnam / City of Santa Fe Springs - Office of the MayorLynda Deschambault / Environmental Protection Agency - Region 9Ltr: Comments on proposed plan for OU 2 groundwater interim remedy2246757
11/18/2010Gordon Stefenhagen / City of Norwalk - Office of the MayorLynda Deschambault / Environmental Protection Agency - Region 9Ltr: Comments on proposed plan for OU 2 groundwater interim remedy2246758
12/23/2010Joseph Serrano, Sr / City of Santa Fe Springs - Office of the MayorLynda Deschambault / Environmental Protection Agency - Region 9Ltr: Corrects impression made by EPA at public meeting re which alternatives of proposed plan are favored by City of Santa Fe Springs2246759
5/26/2011Stephanie Lewis / CA Environmental Protection Agency - Dept of Toxic Substances ControlLynda Deschambault / Environmental Protection Agency - Region 9Ltr: Concurs with proposed remedy in OU 2 interim action ROD1126521
7/25/2011Raymond Grutzmacher / CA Environmental Protection Agency - Dept of Toxic Substances Control
Stephen McArdle / CA Environmental Protection Agency - Dept of Toxic Substances Control
David Thaete / Phibro-Tech, IncLtr: Comments on 1/11 quarterly sampling groundwater rpt, Phibro-Tech, Inc, Santa Fe Springs, w/encl1129375
8/9/2011Jeff O'Keefe / CA Dept of Public Health - Drinking Water Field Operations BranchFrederick Schauffler / Environmental Protection Agency - Region 9Email: Discusses cleanup standard for hexavalent chromium in Omega ROD1129373
9/1/2011Jeff O'Keefe / CA Dept of Public Health - Drinking Water Field Operations BranchFrederick Schauffler / Environmental Protection Agency - Region 9Email: Discusses treatment goals for hexavalent chromium at site1129374
10/6/2011Raymond Grutzmacher / CA Environmental Protection Agency - Dept of Toxic Substances Control
Stephen McArdle / CA Environmental Protection Agency - Dept of Toxic Substances Control
David Thaete / Phibro-Tech, IncLtr: Comments on 4/11 quarterly sampling rpt, Phibro-Tech, Inc, Santa Fe Springs, w/encl1129376

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