AnalyticMethodShortName AnalyticMethodDesc AnalyzedMedia LabShortName AnalMethPub_ID Comb_C-Org Dissolved organic carbon in water is determined by a Shimadzu 5000A carbon analyzer using an infrared detector. solids USGS-GD US-EPA1 Comb_C-Tot_C Total carbon is determined by carbon analyzer using an infrared detector after combustion. solids SGS SGS03-A Comp_C-Org_C Organic carbon is determined by the calculated difference between total carbon and carbonate carbon when determined by combustion and coulometric titration. solids SGS SGS03-A Comp_Fe(III) Ferric iron in acidified aqueous samples is determined by the calculated difference between total iron and ferrous iron when determined by spectrophotometry. solids USGS-GD (200) R29o no. 2002-223-W INTERNET CVAA_Hg Mercury is determined by cold vapor atomic absorption spectroscopy after HNO3-Na2Cr2O7 digestion. solids USGS-GD (200) R29o no. 2002-223-M INTERNET CVAA_Hg_C Mercury is determined by cold vapor atomic absorption spectroscopy after HNO3-HCl-H2SO4-KMnO4 digestion. solids SGS SGS08 CVAF_Hg Mercury is determined in acidified water and leachates by cold vapor atomic fluorescence spectroscopy. water USGS-GD (200) R29o no. 2002-223-N INTERNET DissO2 "Dissolved O2 in unacidified water is determined in the field using CHEMetrics kit, or other type of electrode." water USGS-GD 040 FA-DCP_Au_C Gold is determined by direct current plasma-atomic emission spectroscopy after fire assay fusion. solids SGS SGS07 FieldMethods "Odor, color, turbidity and stream flow determined in the field using various methods." all USGS-GD 040 GC-MS_C Hydrocarbon compounds in solids are determined by proprietary method using gas chromatography and mass spectroscopy in a weak leach simulation. solids Actlabs Actlabs1 HGAA_As_C Arsenic is determined by hydride generation atomic absorption spectrophotometry after Na2O2 fusion-HCl dissolution. solids SGS "SGS09,11" HGAA_Sb_C Antimony is determined by hydride generation atomic absorption spectrophotometry after Na2O2 fusion-HCl dissolution. solids SGS "SGS09,11" HGAA_Se_C Selenium is determined by hydride generation atomic absorption spectrophotometry after Na2O2 fusion-HCl dissolution. solids SGS SGS10 ICPAES-H2O Twenty-seven elements in natural and mine waters are determined by inductively coupled plasma-atomic emission spectroscopy. water USGS-GD (200) R29o no. 2002-223-F INTERNET ICPAES-MS42_C Forty-two elements are determined by inductively coupled plasma-atomic emission spectroscopy and mass spectroscopy after an HF-HCl-HNO3-HClO4 digestion. solids SGS SGS19 ICPAES-MS55_C Fifty-five elements are determined by inductively coupled plasma-atomic emission spectroscopy and mass spectroscopy after a Na2O2 sinter digestion. solids SGS SGS22 ICPMS-AR_C Thirty-six elements are determined in solids by inductively coupled plasma-mass spectroscopy after aqua regia digestion. solids Acme Acme1 ICPMS-AR-Org_C Fifty-three elements are determined in raw organic media by inductively coupled plasma-mass spectroscopy after aqua regia digestion. organic Acme Acme2 ICPMS-BLch_C Fifty-eight constituents are determined in proprietary BioLeach leachates of solids by inductively coupled plasma-mass spectroscopy. solids Actlabs Actlabs2 ICPMS-CHHLch_C Sixty-three constituents are determined in cold hydroxylamine hydrochloride leachates of solids by inductively coupled plasma-mass spectroscopy. solids ALS-Minerals ALS-Minerals1 ICPMS-EELch_C Sixty-nine constituents are determined in a proprietary enhanced enzyme leachates of solids by inductively coupled plasma-mass spectroscopy. solids Skyline Skyline1 ICPMS-FLT Fifty-six constituents are determined in field leach test deionized water leachates by inductively coupled plasma-mass spectroscopy. solids USGS-GD (200) Un3twr bk. 5 ch. D3 ICPMS-H2O Twenty-one or more elements are determined in acidified water by inductively coupled plasma-mass spectroscopy. water USGS-GD (200) R29o no. 2002-223-H INTERNET ICPMS-HR-H2O_C Sixty elements are determined in water by high resolution inductively coupled plasma-mass spectroscopy. water Actlabs Actlabs3 ICPMS-HR-Org_C Sixty elements are determined in raw organic media by high resolution inductively coupled plasma-mass spectroscopy after 2-stage HNO3 and aqua regia digestion. organic Actlabs Actlabs4 ICPMS-ILch_C Fifty-eight elements are determined in pH controlled ionic leachates of solids by inductively coupled plasma-mass spectroscopy. solids ALS-Minerals ALS-Minerals2 ICPMS-MMILch_C Forty-six elements are determined in a proprietary mobile metal ion leachates of solids by inductively coupled plasma-mass spectroscopy. solids SGS SGS23 ICPMS-NaPLch_C Sixty-one constituents are determined in sodium pyrophosphate leachates of solids by inductively coupled plasma-mass spectroscopy. solids ALS-Minerals ALS-Minerals3 ICPMS-TSLch_C Sixty-seven constituents in proprietary TerraSol leachates of solids by inductively coupled plasma-mass spectroscopy. solids Skyline Skyline2 IONC-Aq "Anion (F, Cl, NO3, SO4) concentrations in unacidified aqueous samples are determined by ion chromatography." water USGS-GD (200) R29o no. 2002-223-V INTERNET ISE_Cl_C Chloride is determined by ion specific electrode after KOH-NH4NO3 fusion. solids SGS SGS18 ISE_F_C Fluoride is determined by ion specific electrode after NaOH-KNO3 fusion. solids SGS SGS16 pH pH of unacidified water is determined using a Corning or Hariba instrument. water USGS-GD 040 pH_lab pH of unacidified aqueous media is determined in the lab using a Corning instrument. water USGS-GD 040 pH-paste_lab pH of a saturated paste formed with DI water slurried with equal volume of soil sample is determined in the lab using a digital pH meter. solids USGS-GD USDA-NRCS1 pH-paste_lab_C pH of a saturated paste as measured by a potentiometer on a sample of 1:10 sample to water ratio. solids ALS-Minerals ALS-Minerals1 Qinstant_Est "Stream discharge, instantaneous, estimated in the field." water USGS-GD 040 SpCond Specific conductivity of water is determined using a Corning or Hariba instrument. water USGS-GD 040 SpCond_C Specific conductivity of water is determined in the field using a Corning instrument. water ALS-Minerals ALS-Minerals2 SpCond_lab Specific conductivity of an aqueous solution measured with a conductivity meter. water USGS-GD (200) R29o no. 2002-223-D INTERNET SpCond-paste_lab "Specific conductivity of a saturated paste formed with DI water, pressure squeezed with 30lb Baroid press, resulting water diluted 1:10, is determined with a conductivity meter." solids USGS-GD USDA-NRCS2 SpCond-paste_lab_C "Specific conductivity of a saturated paste formed with DI water, pressure squeezed, resulting water dilution unknown, is determined with a conductivity meter." solids ALS-Minerals ALS-Minerals1 Temp Temperature of water is determined in the field using a Corning instrument. water USGS-GD 040 Titr_Acidity Water acidity is determined in unacidified water samples in the field with a Hach field titration kit. water USGS-GD 040 Titr_Alk_fld "Alkalinity, expressed in concentrations of CaCO3, is determined in unacidified water samples in the field by acid titration with a CHEMetrics field titration kit." water USGS-GD 040 Titr_Alk_lab "Alkalinity, expressed in concentrations of CaCO3, is determined in unacidified water samples by acid titration." water USGS-GD (200) R29o no. 2002-223-E INTERNET Titr_CO-C_C Carbonate carbon and CO2 are determined by coulometric titration after hot 2N HClO4 digestion. solids SGS SGS03-B Turbidity "Turbidity of water is determined in the field with a CHEMetrics turbidity meter, using an infrared LED light source." water USGS-GD 040 UV-Vis_Fe+2_lab Ferrous iron in acidified aqueous samples is determined by visible spectrometry using a Hach spectrophotometer. water USGS-GD (200) R29o no. 2002-223-W INTERNET UV-Vis_Fe-Tot_lab Total iron in acidified aqueous samples is determined by visible spectrometry (ferrozine) using a Hach spectrophotometer. water USGS-GD (200) R29o no. 2002-223-W INTERNET