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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

Administrative Record

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Date Title / pdf File
09/30/11 Remedial, Operable Unit 02, Interim Remedy, Update 1

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 Abbreviation 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



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