Kansas Water Science Center
USGS Water Science Centers are located in each state.
|
U.S. Geological Survey
|
| Constituent or constituent group | Analysis method | Method reference |
|---|---|---|
| Chlorofluorocarbons | Purge and trap gas chromatography with an electron capture detector |
Busenberg and Plummer (1992) |
| Major ions (USGS schedule 2750) |
Atomic absorption spectrometry | Fishman (1993) |
| Nutrients (USGS schedule 2752) |
Various methods | Fishman (1993) |
| Dissolved organic carbon (USGS schedule 2085) |
UV-promoted persulfate oxidation and infrared spectrometry |
Brenton and Arnett (1993) |
| Trace elements (USGS schedule 2703) |
Inductively coupled plasma mass spectrometry | Faires (1993) |
| Pesticides (USGS schedule 2001) |
Solid-phase extraction using a C-18 cartridge and GC/MS |
Zaugg and others (1995) |
| Volatile organic compounds (USGS schedule 2020) | Purge and trap capillary-column GC/MS | Connor and others (1998) |