GAMA Glossary

The USGS Water Science School has an web page that provides a wealth of information about terms used throughout the GAMA-PBP reports and web page.

The abbreviations and definitions listed below are used in this web site and in most GAMA products.

Abbreviations

TERMS USED IN GAMA-PBP

1,2,3-TCP
1,2,3-Trichloropropane
AL-US
EPA Action Level
Cr(VI)
Hexavalent chromium
DLR
Detection Level for Reporting
DS
Domestic Supply
DWP
Domestic Well Project
HAL-US
EPA Lifetime Health Advisory Level
HBB
Health Based Benchmark
HBSL
Health-Based Screening Level (USGS)
LRL
Laboratory Reporting Level
LT-MDL
Long-Term Method Detection Limit
MCL
Maximum Contaminant Level
MCL-CA
California Maximum Contaminant Level
MCL-US
EPA Maximum Contaminant Level
MDL
Method Detection Limit
NESJV
Northeast San Joaquin Valley
NL-CA
California Notification Level
PAC
Public Advisory Committee
PFAS
Per- and Polyfluoroalkyl Substances
PSW
Public-Supply Well
RC
Relative Concentrations
RL-CA
California Response Level
SESJV
Southeast San Joaquin Valley
SMCL
Secondary Maximum Contaminant Level
SMCL-CA
California Secondary Maximum Contaminant Level
SRL
Study Reporting Level
SSJV
Southern San Joaquin Valley
VOC
Volatile organic compounds
WESJV
Western San Joaquin Valley
µg/L
microgram per liter

AGENCIES AND PROGRAMS

CDWR
California Department Of Water Resources
CV-Salts
Central Valley Salinity Alternatives For Long-Term Sustainability
DDW
Division Of Drinking Water (SWRCB)
GAMA
Groundwater Ambient Monitoring And Assessment Program
LLNL
Lawrence Livermore National Laboratory
NAWQA
National Water-Quality Assessment Program (USGS)
NWIS
National Water Information System (USGS)
NWQL
National Water Quality Lab (USGS)
SWRCB
State Water Resources Control Board (California)
SWRCB-DDW
California State Water Resources Control Board--Division Of Drinking Water
USEPA
U.S. Environmental Protection Agency
USGS
U.S. Geological Survey