Valid Values - Methods



     
  
  
   
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Category Code Description Source Reference Low level method Active Alias Modified By Modified Date
Analysis EPA1699M Pesticides in water, soil, sediment, biosolids, and tissue by HRGC/HRMS, modified method USEPA U.S. Environmental Protection Agency, 2007, Method 1699: Pesticides in water, soil, sediment, biosolids, and tissue by HRGC/HRMS: USEPA, Washington, DC, EPA-821-R-08-001, 96 p. N Y benf461 10/04/2023
Measurement EPA170.1 Temperature by Thermistor U.S.EPA National Exposure Research Laboratory (NERL), 1974. Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) Y CNEU461 05/22/2008
Analysis or Measurement EPA180.1 Turbidity, Nephelometric USEPA EPA, 1993. Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100), Revision 2.0, August 1993 N Y mbac461 09/04/2024
Bioassay EPA1991 EPA/600/4-90/027. Acute Toxicity of Effluents to Freshwater & Marine Organisms Ecology-MEL Y CNEU461 04/20/2017
Preparation EPA200.2 Total Recoverable Metals Digestion USEPA U.S. Environmental Protection Agency Office of Water 600/R-94-111 N Y benf461 10/04/2023
Analysis EPA200.7 Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), Revision 4.4, 1994 N Y benf461 10/04/2023
Preparation EPA200.7-PREP Preparation for Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), Revision 4.4, 1994 N Y EPA200.7P benf461 10/04/2023
Analysis EPA200.7AV Simultaneously Extracted Metals (SEM) in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES), with Acid Volatile Sulfides/AVS USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), Revision 4.4, 1994 N Y benf461 10/04/2023
Analysis EPA200.8 Metals and Trace Elements in Waters by ICP-MS USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111) N Y benf461 10/04/2023
Analysis EPA200.8-SW7196A Chromium(III) by Calculation of Total Chromium by EPA200.8 (Metals and Trace Elements in Waters by ICP-MS) minus Chromium(VI) by SW7196A (Chromium, Hexavalent, Colorimetric, Revision 1) USEPA U.S.EPA - NERL, Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111) and Office of Solid Waste SW-846, SW7196A Revision 1, July 1992. N Y CNEU461 12/18/2024
Analysis EPA200.8AV Simultaneously Extracted Metals (SEM) in Waters by ICP-MS (w/Acid Volatile Sulfides/AVS) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), modified N Y benf461 10/04/2023
Preparation EPA200.8CR Clean Room Preparation for EPA 200.8 USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111) N Y benf461 10/04/2023
Analysis EPA200.8M Metals and Trace Elements in Waters by ICP-MS, modified USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111) N Y benf461 10/04/2023
Analysis EPA200.9 Trace Elements by Stabilized Temperature Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111) N Y benf461 10/04/2023
Analysis EPA202.1 Aluminum by Flame Atomic Absorption (AA), Direct Aspiration USEPA U.S.EPA National Exposure Research Laboratory (NERL), Issued 1971; Editorial Revision 1974 and 1978. N Y benf461 10/04/2023
Analysis EPA204.2 Antimony by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA206.2 Arsenic by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA206.3 Arsenic by Gaseous Hydride Generation and Atomic Absorption (AA) USEPA U.S. EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (EPA/600/4-79/020), 1974 N Y benf461 10/04/2023
Analysis EPA210.2 Beryllium by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA213.2 Cadmium by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA215.2 Calcium, Titrimetric, EDTA USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA218.1 Chromium by Flame Atomic Absorption (AA), Direct Aspiration USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA218.2 Chromium by Graphite Furnace Atomic Absorption (GFAA) USACE U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA218.5 Chromium, Hexavalent, Dissolved USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA218.6 Dissolved Hexavalent Chromium in Drinking Water, Groundwater, and Industrial Wastewater Effluents by Ion Chromatography USEPA U.S. EPA EMSL, ORD, Revision 3.3, EMMC Version, 1994 N Y benf461 10/04/2023
Analysis EPA219.2 Cobalt by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100) N Y benf461 10/04/2023
Analysis EPA220.1 Copper by Flame Atomic Absorption, Direct Aspiration USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA220.2 Copper by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA236.1 Iron by Flame Atomic Absorption (AA), Direct Aspiration USEPA U.S.EPA National Exposure Research Laboratory (NERL), Issued 1971; Editorial Revision 1974 and 1978. N Y benf461 10/04/2023
Analysis EPA239.2 Lead by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA243.1 Manganese by Flame Atomic Absorption (AA), Direct Aspiration USEPA U.S.EPA National Exposure Research Laboratory (NERL), Issued 1971; Editorial Revision 1974 and 1978. N Y benf461 10/04/2023
Analysis EPA245.1 Mercury by Manual Cold Vapor Atomic Absorption (CVAA), Revision 3.0 USEPA U.S.EPA, 1994. Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), Revision 3.0. National Exposure Research Laboratory (NERL), Cincinnati, Ohio N Y benf461 10/04/2023
Analysis EPA245.1M Mercury by Manual Cold Vapor Atomic Absorption (CVAA), Revision 3.0, Modified Method USEPA U.S.EPA, 1994. Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), Revision 3.0, Modified. National Exposure Research Laboratory (NERL), Cincinnati, Ohio N Y benf461 10/04/2023
Analysis EPA245.2 Mercury by Automated Cold Vapor Atomic Absorption (CVAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Issued 1974 N Y benf461 10/04/2023
Analysis EPA245.5 Mercury in Sediments by Manual Cold Vapor Atomic Absorption (CVAA) USEPA U.S. Environmental Protection Agency Office of Water 600/4-91-010 N Y benf461 10/04/2023
Analysis EPA245.6 Mercury in Tissues by Cold Vapor Atomic Absorption (CVAA) USEPA EPA 600/4-91-010 Methods for the Determination of Metals in Environmental Samples. June 1991. N Y benf461 10/04/2023
Analysis EPA245.7 Mercury by Cold Vapor Atomic Flourescence (CVAF) USEPA U.S. Environmental Protection Agency Office of Water EPA 821/R-01-008, CD N Y benf461 10/04/2023
Analysis EPA249.2 Nickel by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA258.1 Potassium by Flame Atomic Absorption (AA), Direct Aspiration USEPA U.S.EPA National Exposure Research Laboratory (NERL), Issued 1971; Editorial Revision 1974 N Y benf461 10/04/2023
Analysis EPA25C Determination of Nonmethane Organic Compounds (MNOC) in Landfill Gas by FIA USEPA Federal Register 40 CFR Part 60, Subpart WWW, Standards of Performance for Municipal Solid Waste Landfills; New Source Performance Standards (NSPS), August 29, 2016 N Y benf461 10/04/2023
Analysis EPA270.2 Selenium by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA272.2 Silver by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA273.1 Sodium by Flame Atomic Absorption (AA), Direct Aspiration USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA273.2 Sodium by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL) N Y benf461 10/04/2023
Analysis EPA279.2 Thallium by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA282.2 Tin by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S. EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA286.2 Vanadium by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA289.1 Zinc by Flame Atomic Absorption (AA), Direct Aspiration USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA289.2 Zinc by Graphite Furnace Atomic Absorbtion (GFAA) USEPA U.S.EPA, 1979. National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA300.0 Inorganic Anions, Ion Chromatography USEPA Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100) N Y benf461 10/04/2023
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