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
µg/L
microgram per liter
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

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