AST | above-ground storage tank |
AWQC | Ambient water quality criteria for the protection of aquatic life |
bgs | below ground surface |
BHC | benzene hexachloride |
BNA | base, neutral, and acid-extractable organic compounds |
BOD | biological oxygen demand |
CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act of 1980 |
CERCLIS | Comprehensive Environmental Response, Compensation, and Liability Information System |
cfs | cubic feet per second |
cm | centimeter |
COC | contaminant of concern |
COD | chemical oxygen demand |
COE | U.S. Army Corps of Engineers |
CRC | Coastal Resource Coordinator |
DDD | dichlorodiphenyldichloroethane |
DDE | dichlorodiphenyldichloroethylene |
DDT | dichlorodiphenyltrichloroethane |
DNT | dinitrotoluene |
DOD | U.S. Department of Defense |
DOI | U.S. Department of the Interior |
EPA | U.S. Environmental Protection Agency |
ERL | Effects Range - Low |
ERM | Effects Range - Median |
ETAG | Ecological and Technical Assessment Group |
ha | hectare |
HMX | cyclotetramethylene tetranitramine |
HRS | Hazard Ranking System |
IRM | Immediate Removal Measure |
kg | kilogram |
km | kilometer |
L | liter |
LNAPL | light, non-aqueous phase liquid |
LOEL | lowest observed effects level |
m | meter |
m3/second | cubic meter per second |
µg/g | micrograms per gram (ppm) |
µg/kg | micrograms per kilogram (ppb) |
µg/L | micrograms per liter (ppb) |
µR/hr | microroentgens per hour |
mg | milligram |
mg/kg | milligrams per kilogram (ppm) |
mg/L | milligrams per liter (ppm) |
mR/hr | milliroentgens per hour |
NAPL | non-aqueous phase liquid |
NFA | no further action |
NOAA | National Oceanic and Atmospheric Administration |
NPDES | National Pollutant Discharge Elimination System |
NPL | National Priorities List |
OU | operable unit |
PAH | polynuclear aromatic hydrocarbon |
PA/SI | Preliminary Assessment/Site Investigation |
PCB | polychlorinated biphenyl |
PCE | perchloroethylene (aka tetrachloroethylene) |
PCP | pentachlorophenol |
PNRS | Preliminary Natural Resource Survey |
ppb | parts per billion |
ppm | parts per million |
ppt | parts per thousand |
PRP | Potentially Responsible Party |
PVC | polyvinyl chloride |
RCRA | Resource Conservation and Recovery Act |
RD/RA | Remedial Design/Remedial Action |
RDX | cyclonite |
RI/FS | Remedial Investigation/Feasibility Study |
ROD | Record of Decision |
RRC | Regional Resource Coordinator |
SARA | Superfund Amendments and Reauthorization Act of 1986 |
SVOC | semi-volatile organic compound |
TCA | 1,1,1-trichloroethane |
TCE | trichloroethylene |
TCL | Target Compound List |
TNT | trinitrotoluene |
TPH | total petroleum hydrocarbons |
TSS | total suspended solids |
USFWS | U.S. Fish and Wildlife Service |
USGS | U.S. Geological Survey |
UST | underground storage tank |
VOC | volatile organic compound |
< | less than |
> | greater than |
