Data Series 258
U.S. GEOLOGICAL SURVEY
Data Series 258
| AF | atomic fluorescence |
| AL | California Department of Health Services Advisory Level |
| CAS | Chemical Abstract Service (American Chemical Society) |
| CCV | continuing calibration verification |
| CSU | combined standard uncertainty |
| DLR | detection level for the purpose of reporting |
| DO | dissolved oxygen |
| DOC | dissolved organic carbon |
| E | estimated value |
| GAMA | Ground-Water Ambient Monitoring and Assessment program |
| GFAA | Agraphite furnace atomic absorption |
| HAL-US | U.S. Environmental Protection Agency Lifetime Health Advisory |
| HCl | hydrochloric acid |
| LRL | laboratory reporting level |
| LSD | land-surface datum |
| LT-MDL | long-term method detection level |
| MCL | maximum contaminant level |
| MCL-CA | California Department of Health Services Maximum Contaminant Level |
| MCL-US | United States Environmental Protection Agency Maximum Contaminant Level |
| MD | method detection level |
| MDL | method detection limit |
| MRL | minimum reporting level |
| MS | Monterey Bay and Salinas Valley Study Unit |
| MSMB | Monterey Bay and Salinas Valley Study Unit: Monterey Bay study area |
| MSMBFP | Monterey Bay and Salinas Valley Study Unit: Monterey Bay study area flow-path well |
| MSMBMW | Monterey Bay and Salinas Valley Study Unit: Monterey Bay study area monitoring well |
| MSPR | Monterey Bay and Salinas Valley Study Unit: Paso Robles study area |
| MSSC | Monterey Bay and Salinas Valley Study Unit: Santa Cruz study area |
| MSSV | Monterey Bay and Salinas Valley Study Unit: Salinas Valley study area |
| MTBE | methyl tert-butyl ether |
| MU | method uncertainty |
| N | normal (1 gram-equivalent per liter of solution) |
| na | not available |
| NAWQA | National Water-Quality Assessment (USGS) |
| nc | sample not collected |
| nd | no data |
| NDMA | N-nitrosodimethylamine |
| NL | California notification level (CADHS) |
| No. | number |
| PCE | tetrachloroethene |
| PMC | percent modern carbon |
| QC | quality control |
| RSD | relative standard deviation |
| SC | specific conductance |
| SMCL | secondary maximum contaminant level |
| SMCL-CA | California Department of Health Services secondary maximum contaminant level |
| SMCL-US | United States Environmental Protection Agency secondary maximum contaminant level |
| SMOW | Standard Mean Ocean Water |
| SSMDC | sample specific minimum detectable concentration |
| TCE | trichloroethene |
| TCP | 1,2,3-trichloropropane |
| TDS | total dissolved solids |
| TT | treatment technique |
| UCMR | unregulated contaminant monitoring regulation |
| V | value censored due to blank contamination |
| VE | estimated value censored due to blank contamination |
| VOC | volatile organic compound |
| CADHS | California Department of Health Services |
| CAEPA | California Environmental Protection Agency |
| DWR | California Department of Water Resources |
| LLNL | Lawrence Livermore National Laboratory |
| MWH | Montgomery Watson-Harza Laboratory |
| NCDC | National Climate Data Center |
| NRP | National Research Program (USGS) |
| NWIS | National Water Information System (USGS) |
| NWQL | National Water Quality Laboratory |
| USEPA | U.S. Environmental Protection Agency |
| USGS | U.S. Geological Survey |
| cm3 STP | cubic centimeters at standard temperature and pressure (0 degrees Celsius and 1 atmosphere of pressure) |
| δ | delta notation, expressed as per mil |
| ft | foot (feet) |
| in. | inch (inches) |
| kg | kilogram |
| L | liter |
| lb | pound |
| mg | milligram |
| mg/L | milligrams per liter |
| mi | mile |
| mi2 | square mile |
| mL | milliliter |
| µg | microgram |
| µg/L | micrograms per liter |
| µL | microliter |
| µm | micrometer |
| pCi/L | picocuries per liter |
| per mil | parts per thousand |
| ppb | parts per billion (µg/L) |
| ppm | parts per million (mg/L) |
| ppt | parts per trillion (µg/mL) |
| TU | tritium unit |
U.S.
Department of the Interior | U.S. Geological Survey
Persistent URL: https://pubs.water.usgs.gov/ds258/
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