Valid Values - Methods



     
  
  
   
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Category Code Description Source Reference Low level method Active Alias Modified By Modified Date
Preparation SW1310B Extraction Procedure (EP) Toxicity Test Method and Structural Integrity Test, Revision 2. EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 2, Nov 2004. Y CNEU461 01/11/2013
Analysis SW1010A Test Methods for Flash Point by Pensky-Martens Closed Cup Tester, Revision 1 EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 1, Nov 2004. Y CNEU461 03/22/2017
Preparation SW3010A Acid Digestion of Aqueous Samples and Extracts for Total Metals for Analysis by FLAA or ICP Spectroscopy, Revision 1 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 1, July 1992. Y CNEU461 09/29/2009
Analysis SW7061A Arsenic by Atomic Absorption, Gaseous Hydride, Revision 1 EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 1, July 1992 Y CNEU461 03/11/2013
Preparation SW3005A Acid Digestion of Waters for Total Recoverable or Dissolved Metals for Analysis by Flame Atomic Absorption (FLAA) or Inductively Coupled Plasma (ICP) Spectroscopy, Revision 1 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 1, July 1992 Y CNEU461 05/16/2016
Analysis SW7062 Antimony and Arsenic by Atomic Absorption, Borohydride Reduction, Revision 0 EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1994. Y CNEU461 03/11/2013
Analysis SW7950 Zinc by Atomic Absorption, Direct Aspiration, Revision 0. EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986. (Deleted from SW-846 in January 1998). N Y CNEU461 04/03/2025
Preparation SW1311 Toxicity Characteristic Leaching Procedure (TCLP), Revision 0 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, July 1992. Y CNEU461 12/04/2012
Analysis SW7010 Metals by Graphite Furnace Atomic Absorption (GFAA) Spectrophotometry, Revision 0 EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, February 2007. N Y benf461 10/17/2023
Analysis SW7473 Mercury in Solids and Solutions by Thermal Decomposition, Amalgamation, and Atomic Absorption Spectrophotometry, Revision 0 EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, February 2007 Y CNEU461 07/31/2014
Analysis EPA504.1 1,2-Dibromoethane (EDB), 1,2-Dibromo-3-Chloro-Propane (DCBP), and 1,2,3-Trichloropropane (123TCP) in Water by Microextraction and Gas Chromatography USEPA U.S. EPA Office of Ground Water and Drinking Water/Technical Support Center, Methods for the Determination of Organic Compounds in Drinking Water - Supplement III (EPA/600/R-95-131), 1995 N Y benf461 10/12/2023
Analysis EPA314.0M Determination of Perchlorate in Drinking Water Using Ion Chromatography, modified USEPA U.S. EPA Office of Ground Water and Drinking Water/Technical Support Center, Cincinnati, OH, Revision 1, November 1999. N Y benf461 10/04/2023
Analysis EPA314.0 Determination of Perchlorate in Drinking Water Using Ion Chromatography USEPA U.S. EPA Office of Ground Water and Drinking Water/Technical Support Center, Cincinnati, OH, Revision 1, November 1999. N Y benf461 10/04/2023
Analysis EPA531.2 Measurement of N-Methylcarbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC With Postcolumn Derivitization U.S. EPA Office of Ground Water and Drinking Water, Technical Support Center (EPA-OGWDW/TSC), 2001. (EPA 815-B-01-002), Revision 1.0, September 2001. Y CNEU461 10/27/2016
Analysis EPA515.4 Determination of Chlorinated Acids in Drinking Water by Liquid-Liquid Microextraction, Derivitization, and Fast Gas Chromatography with Electron Capture Detection USEPA U.S. EPA Office of Ground Water and Drinking Water, Technical Support Center (EPA-OGWDW/TSC), 2000. Methods for the Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1 (EPA/815-R-00-014), Revision 1.0, April 2000. N Y benf461 10/12/2023
Analysis EPA531.1M N-Methylcarbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection High Performance Liquid Chromatography (HPLC) with Post Column Derivitization, Revision 3.1, Modified U.S. EPA Office of Ground Water and Drinking Water and National Exposure Research Laboratory (NERL), Cincinnati, OH, Methods for the Determination of Organic Compounds in Drinking Water - Supplement III (EPA/600/R-95-131), Revision 3.1, 1995 Y CNEU461 07/10/2006
Analysis EPA531.1 Measurement of N-Methylcarbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection High Performance Liquid Chromatography (HPLC) with Post Column Derivitization U.S. EPA Office of Ground Water and Drinking Water and National Exposure Research Laboratory (NERL), Cincinnati, OH, Methods for the Determination of Organic Compounds in Drinking Water - Supplement III (EPA/600/R-95-131) Y CNEU461 10/27/2016
Analysis EPA375.2 Sulfate (Colorimetric, Automated, Methylthymol Blue, AA II) 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 10/09/2023
Analysis EPA375.4 Sulfate (Turbidimetric) USEPA U.S. EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020), Issued 1971; Editorial Revision 1978 N Y benf461 10/09/2023
Analysis EPA375.1 Sulfate (Colorimetric, Automated, Chloranilate) 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 10/09/2023
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 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 EPA353.1 Nitrogen, Nitrate-Nitrite (Colorimetric, Automated Hydrazine Reduction) USEPA U.S. EPA National Exposure Research Laboratory (NERL), Cincinnati, OH, Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA353.4 Nitrate and Nitrite in Estuarine and Coastal Waters by Automated Colorimetry (Gas Segmented Continuous Flow Colorimetric Analysis) USEPA U.S. EPA National Exposure Research Laboratory (NERL), 1997, Methods for Determination of Chemical Substances in Marine and Estuarine Matrices - 2nd Edition (EPA/600/R-97/072), Revision 2.0 N Y benf461 10/04/2023
Analysis EPA365.5 Orthophosphate in Estuarine and Coastal Waters by Colorimetry (Automated) USEPA U.S. EPA National Exposure Research Laboratory (NERL), 1997, Methods for Determination of Chemical Substances in Marine and Estuarine Matrices - 2nd Edition (EPA/600/R-97/072), Revision 1.4 N Y benf461 10/09/2023
Analysis EPA349.0 Ammonia in Estuarine in Coastal Waters by Automated Colorimetry (Gas Segmented Continuous Flow Colorimetric Analysis) USEPA U.S. EPA National Exposure Research Laboratory (NERL), 1997, Methods for Determination of Chemical Substances in Marine and Estuarine Matrices - 2nd Edition (EPA/600/R-97/072), Revision 1.0 N Y benf461 10/04/2023
Analysis EPA366.0 Dissolved Silicate in Estuarine and Coastal Waters by Colorimetry (Gas Segmented Continuous Flow Colorimetric Analysis) USEPA U.S. EPA National Exposure Research Laboratory (NERL), 1997, Methods for Determination of Chemical Substances in Marine and Estuarine Matrices - 2nd Edition (EPA/600/R-97/072), Revision 1.0 N Y benf461 10/09/2023
Analysis EPA376.2 Sulfide (Colorimetric, Methylene Blue) USEPA U.S. EPA National Exposure Research Laboratory (NERL), 1978. Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/09/2023
Analysis EPA130.2 Hardness, Total (as CaCO3), Titrimetric, EDTA Ecology-MEL U.S. EPA National Exposure Research Laboratory (NERL) 600/4-79-020 N Y benf461 10/04/2023
Analysis EPA130.1 Hardness, Total (as CaCO3), Colorimetric, Automated EDTA USEPA U.S. EPA National Exposure Research Laboratory (NERL) 600/4-79-020 N Y benf461 10/04/2023
Analysis EPA351.4M Nitrogen, Kjeldahl Total (Potentiometric, Ion Selective Electrode), Modified for Solids USEPA U.S. EPA National Exposure Research Laboratory (NERL) N Y benf461 10/04/2023
Analysis EPA1638 Determination of Trace Elements in Ambient Waters by Inductively Coupled Plasma-Mass Spectrometry USEPA U.S. EPA Engineering and Analysis Division, Washington, DC, January 1996 N Y benf461 10/04/2023
Analysis EPA1638M Determination of Trace Elements in Ambient Waters by Inductively Coupled Plasma-Mass Spectrometry, Modified USEPA U.S. EPA Engineering and Analysis Division, Washington, DC, January 1996 N Y benf461 10/04/2023
Analysis EPA1625B Semivolatile Organic Compounds (BNA) by Isotope Dilution GC/MS, Revision B USEPA U.S. EPA Engineering and Analysis Division, USEPA Headquarters, Washington, DC., Revision 40 CFR Part 136, Appendix A N Y benf461 10/04/2023
Analysis EPA1625C Semivolatile Organic Compounds (BNA) by Isotope Dilution GC/MS, Revision C USEPA U.S. EPA Engineering and Analysis Division, USEPA Headquarters, Washington, DC N Y benf461 10/04/2023
Analysis EPA1625 Semivolatile Organic Compounds (BNA) by Isotope Dilution GC/MS USEPA U.S. EPA Engineering and Analysis Division, USEPA Headquarters, Washington, DC N Y benf461 10/04/2023
Analysis EPA1631C Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry, Revision C USEPA U.S. EPA Engineering and Analysis Division, Office of Science and Technology, 821/R-01-024, March 2001 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 EPA600R93A Determination of Asbestos in Bulk Building Materials Using Polarized Light Microscopy (PLM) and Other Methods, EPA/600/R-93/116 USEPA U.S. EPA Atmospheric Research and Exposure Assessment Lab, Research Triagle Park, NC, EPA/600/R-93/116, June 1993. N Y benf461 10/16/2023
Analysis EPA508.1 Chlorinated Pesticides, Herbicides, and Organohalides by Liquid-Solid Extraction and Electron Capture Gas Chromatography (GCECD) USEPA U.S. EPA 1995. Methods for the Determination of Organic Compounds in Drinking Water - Supplement III (EPA/600/R-95-131), Office of Ground Water and Drinking Water/Technical Support Center, Revision 2.0 N Y benf461 10/12/2023
Analysis EPA305.1 Acidity by Titration USEPA U.S. EPA 1979, National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA1633 Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS, Revision 0 USEPA U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Engineering and Analysis Division, EPA 821-R-24-001, January 2024, Revision 0. N Y CNEU461 04/30/2025
Analysis EPA1633Draft Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS, Draft Method. USEPA U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Engineering and Analysis Division, EPA 821-D-21-001, August 2021 N Y benf461 10/04/2023
Analysis EPA1631E Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry, Revision E USEPA U.S. Environmental Protection Agency, Engineering and Analysis Division, Office of Science and Technology, EPA-821-R-02-019, August 2002. Replaces Revision C. http://www.epa.gov/waterscience/methods/1631.html N Y benf461 10/04/2023
Analysis EPA608.3 Organochlorine Pesticides and PCBs by Gas Chromatography with Halogen-Specific Detector (GC/HSD), Revision 2016. USEPA U.S. Environmental Protection Agency, CWA Methods Team, EPA 821-R-16-009, 40CFR136A, December 2016. N Y benf461 10/16/2023
Analysis EPA624.1 Purgables by Gas Chromatography/Mass Spectrometry (GC/MS), Revision 2016. USEPA U.S. Environmental Protection Agency, CWA Methods Team, EPA 821-R-16-008, 40CFR136A, December 2016. N Y benf461 10/16/2023
Analysis EPA1699 Pesticides in water, soil, sediment, biosolids, and tissue by HRGC/HRMS 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
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
Analysis EPA351.3 Total Kjeldahl Nitrogen Colorimetric, Titrimetric, Potentiometric USEPA U.S. Environmental Protection Agency Office of Water. 600/R-93-100 N Y benf461 10/04/2023
Analysis EPA351.4 Total Kjeldahl Nitrogen Potentiometric, Ion Selective Electrode USEPA U.S. Environmental Protection Agency Office of Water. 600/4-79-020 N Y benf461 10/04/2023
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