| - μg/dl - micrograms per deciliter
- μg/kg - micrograms per kilogram
- μg/L - micrograms per liter
- ABS - Absorption fraction (dermal)
- ADD - Average daily dosage
- AI - Atomics International
- AOC - Area of Concern
- AOPC - Area of potential concern
- AST - aboveground storage tank
- atm-m3/M - Atmosphere-cubic-meter per mole
- ATSDR - Agency for Toxic Substances and Disease Registry
- AUF - Area use factor
- AWQC - Ambient water quality criteria
- BBC - Brandeis-Bardin Campus
- BAF - Bioaccumulation factor
- BaP - Benzo(a)pyrene
- BBI - Brandeis-Bardin Institute
- BCF - Bioconcentration factor
- BEHP - Bis(2-ethylhexyl)phthalate
- bgs - below ground surface
- BMP - best management practice
- Boeing - The Boeing Company
- BTEX - benzene, toluene, ethylbenzene, and xylenes
- BW - Body weight
- Cal/EPA - California Environmental Protection Agency
- CCR - Current Conditions Report
- CDD - Chlorinated dibenzo-p-dioxin
- CDF - Chlorinated dibenzofuran
- CDFG - California Department of Fish and Game
- CERCLA - Comprehensive Environmental Response, Compensation and Liability Act
- CF - Chatsworth Formation
- CFOU - Chatsworth Formation Operable Unit
- CHSC - California Health and Safety Code
- cm2 - Square centimeter
- CMI - Corrective Measures Implementation
- CMS - Corrective Measures Study
- COC - chemical of concern
- COEC - chemical of ecological concern
- COPC - chemical of potential concern
- CPEC - chemical of potential environmental concern
- CSF - Cancer slope factor
- CSM - conceptual site model
- CTE - Central tendency exposure
- D&D – Decontamination and Decommissioning
- DCA - dichloroethane
- DCE - dichloroethene
- DG - data gap
- DHS - Department of Health Services
- DOE - United States Department of Energy
- DQE - Data quality evaluation
- DQO - Data Quality Objective
- DPH - Department of Public Health
- DTSC - Department of Toxic Substances Control
- ECL - Environmental Chemistry Lab
- Eco-SSL - Ecological soil screening level
- EIR - Environmental Impact Report
- EIS - Environmental Impact Statement
- ELCR - excess lifetime cancer risk
- EPC - exposure point concentration
- ERA - ecological risk assessment
- ESL - Ecological screening level
- ETEC - Energy Technology and Engineering Center
- foc - Fraction of organic carbon
- Freon 1,1,-trichlorofluoromethane
- Freon 113 1,1,2-trichloro-1,2,2-trifluoroethane
- FS - Feasibility study
- FSDF – Former Sodium Disposal Facility
- GETS - Groundwater Extraction Treatment System
- GWCC - groundwater comparison concentration
- GWTS - groundwater extraction/treatment system
- HDMS - Historical Document Management System
- HEAST - Health Effects Assessment Summary Table
- HHRA - Human health risk assessment
- HI - hazard index
- HMW - High-molecular-weight
- HMX - cyclotetramethylene-tetranitramine (Energetic Compound)
- HQ - hazard quotient
- HRA - human health risk assessment
- HSC - Health and Safety Code
- ILCR - incremental lifetime cancer risk
- ISRA - Interim/Source Removal Action
- IRFNA - inhibited red-fuming nitric acid
- IRIS - Integrated Risk Information System
- ISF - Interim-Status Facility
- ISI - In-Service Inspection
- Kd Soil-water distribution coefficient
- Koc - partition coefficient
- Kow Octanol - water partition coefficient
- KRO - Kerosene range organic
- L - Liter
- LADD - Lifetime average daily dosage
- LCS - Laboratory control sample
- LD50 - Lethal dose to 50 percent of test organisms
- LF - leach field
- LMW - Low molecular weight
- LOAEL - Lowest observed adverse effect level
- LOEC - Lowest observed effect concentration
- LOX - liquid oxygen
- MCL - maximum contaminant level
- MCPA - 2-Methyl-4-Chlorophenoxyacetic Acid
- MCPP - 2-Methyl-4-Chlorophenoxy propionic Acid
- MDL - Method detection limit
- mg/kg - milligrams per kilogram
- MMH - monomethyl hydrazine
- MRCA - Mountains Recreation Conservancy Authority
- msl - mean sea level
- MS/MSD - Matrix spike/matrix spike duplicate
- NA - not applicable
- NAA - North American Aviation
- NASA - National Aeronautics and Space Administration
- NDMA - n-nitrosodimethylamine
- NFA - no further action
- NOEC - No observed effect concentration
- NOAEL - No observed adverse effect level
- NPDES - National Pollutant Discharge Elimination System
- NRWQC - National recommended ambient water quality criteria
- NSGW - Near-surface groundwater
- OEHHA - Office of Environmental Health Hazard Assessment
- ORISE – Oak Ridge Institute for Science and Education
- ORP - Oxidation-reduction potential
- OU - operable unit
- QA - quality assurance
- QAPP - Quality Assurance Project Plan
- QC - quality control
- PAH - Polycyclic aromatic hydrocarbon
- PCB - Polychlorinated Biphenyl
- PCDD - Polychlorinated dibenzodioxin
- PCDF - Polychlorinated dibenzofuran
- PCE - Tetrachloroethene
- PEA - Preliminary Endangerment Assessment
- PEC - Probable effect concentration
- PEF - Particulate emission factor
- RAD – Radionuclide
- RAGS - Risk Assessment Guidance for Superfund
- RAP - Remedial Action Plan
- RCRA - Resource Conservation and Recovery Act
- RD/RA - Remedial Design/Remedial Action
- RFA - RCRA Facility Assessment
- RfD - Reference dose
- RFI - RCRA Facility Investigation
- RI - Remedial Investigation
- RL - Reporting limit
- RME - Reasonable maximum exposure
- RMHF - Radioactive Materials Handling Facility
- RP - Rocket propellant
- RWQCB - Regional Water Quality Control Board
- SAP - sampling and analysis plan
- SB 990 – Senate Bill 990
- SOP - Standard operating procedure
- SMOU - Surficial media operable unit
- SRAM - Standardized Risk Assessment Methodology Work Plan
- SRE - Sodium Reactor Experiment
- SSFL - Santa Susana Field Laboratory
- STP - Sewage Treatment Plant
- SVOC - Semivolatile organic compound
- TAL - Target analyte list
- SWMU - Solid waste management units
- TCDD - Tetrachlorodibenzo-p-dioxin
- TCE - Trichloroethene
- TEA - triethylaluminum (Energetic Compound)
- TEB - triethylboron (Energetic Compound)
- TEC - Threshold effect concentration
- TEQ - toxicity equivalency quotient
- TIC - tentatively identified compound
- TPH - total petroleum hydrocarbons
- TRPH - total recoverable petroleum hydrocarbons
- TRV - toxicity reference value
- UDMH - unsymmetrical dimethylhydrazine
- USEPA - United States Environmental Protection Agency
- UST - underground storage tank
- VC - vinyl chloride
- VCAPCD - Ventura County Air Pollution Control District
- VCEHD - Ventura County Environmental Health Department
- VOC - volatile organic compound
- WDR- Waste Discharge Requirement
- WPA - Work Plan Addendum
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