Valid Values - Methods



     
  
  
   
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Category Code Description Source Reference Active Alias
Analysis EPA1106.1 Enterococci in Water by Membrane Filtration Using mE-EI Agar USEPA U.S. Environmental Protection Agency Office of Water, EPA-821-R-02-021 Y
Analysis EPA507 Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector USEPA US EPA Office of Ground Water and Drinking Water and US EPA 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 2.1, 1995 Y
Analysis EPA1668C Chlorinated Biphenyls in Water, Soil, Sediment, Biosolids and Tissue by HRGC/HRMS, Revision C USEPA US EPA Office of Water, Office of Science and Technology, Engineering and Analysis Division, EPA-820-R-10-005, April 2010 Y
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 Y
Analysis EPA-TO-13 Polycyclic Aromatic Hydrocarbons (PAHs) in Ambient Air Using Gas Chromatography/Mass Spectrometry (GC/MS) USEPA Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, Second Edition (EPA/625/R-96/010b) Y
Analysis EPA440.0 Elemental Carbon and Nitrogen by Combustion and Thermal Conductivity USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for Determination of Chemical Substances in Marine and Estuarine Matrices - 2nd Edition (EPA/600/R-97/072) Y
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 Y
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 Y
Analysis EPA-TO-15 Determination of Volatile Organic Compounds (VOCs) in Air Collected in Specially-Prepared Canisters and Analyzed by Gas Chromatography/ Mass Spectrometry (GC/MS) USEPA EPA, 1999. Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, Second Edition (EPA/625/R-96/010b). EPA Center for Environmental Research Information, Cincinnati, OH Y
Analysis EPA1614 Brominated Diphenyl Ethers in Water Soil, Sediment and Tissue by HRGC/HRMS, August 2007 USEPA U.S. EPA Office of Water, Office of Science and Technology, Engineering and Analysis Division, Washington DC, EPA-821-R-07-005, August 2007. Y
Analysis EPA350.2 Nitrogen as Ammonia (Colorimetric; Titrimetric; Potentiometric - Distillation Procedure) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) Y
Analysis EPA624-SIM Purgeables (Purgeable Organic Compounds via GC/MS), Selective Ion Method (SIM) USEPA EPA, 2012. Appendix A to 40 CFR Part 136, Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater. Y EPA624SIM
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. Y
Analysis EPA245.2 Mercury by Automated Cold Vapor Atomic Absorption (CVAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Issued 1974 Y
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) Y
Analysis EPA351.4M Nitrogen, Kjeldahl Total (Potentiometric, Ion Selective Electrode), Modified for Solids USEPA U.S. EPA National Exposure Research Laboratory (NERL) Y
Analysis EPA1698 Steroids and Hormones in Water, Soil, Sediment, and Biosolids by HRGC/HRMS USEPA U.S. EPA Office of Water, Office of Science and Technology, Washington DC, EPA-821-R-08-003, Dec 2007 Y
Analysis EPA1631B Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry, Revision B USEPA U.S. EPA, Engineering and Analysis Division, Office of Science and Technology, 821/R-99-005, May 1999. https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=40001EQ2.txt Y
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 Y
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. Y
Analysis EPA548.1 Determination of Endothall in Drinking-Water by Ion-Exchange Extraction, Acidic Methanol Methylation, and Gas Chromatography/Mass Spectrometry, Revision 1.0 USEPA US EPA, 1992. Methods for the Determination of Organic Compounds in Drinking Water- Supplement II (EPA/600/R-92-129), Revision 1.0, August 1992 Y
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 Y
Analysis EPA376.3-SW7470A Acid Volatile Sulfide (AVS) and Simultaneously Extractable Metals (SEM) in Sediment (Draft) and Mercury in Liquid Waste by Manual Cold Vapor Atomic Absorption (CVAA), Revision 1. USEPA USEPA, Draft Method, Office of Science and Technology, EPA-821-R-91-100, December 1991; and EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 1, September 1994. Y
Analysis EPA1664B n-Hexane Extractable Material (HEM; Oil and Grease) and Silica Gel Treated n-Hexane Extractable Material (SGT-HEM; Non-polar Material) by Extraction and Gravimetry, Revision B USEPA US EPA Office of Water, Engineering and Analysis Division, Washington DC, Revision A, EPA-821-R-10-001, February 2010 Y
Analysis EPA-3C Determination of Carbon Dioxide, Methane, Nitrogen, and Oxygen From Stationary Sources by GC with Thermal Conductivity Detector (TCD). USEPA US EPA Air Programs, 40 CFR, Part 60, Appendix A-2, June 20, 1996. Y
Analysis EPA402-R-92-004-2 Indoor Radon Concentrations by Grab Sampling, Pump/Collapsible Bag Devices, and Three-Day Integrating Evacuated Scintillation Cells. USEPA US EPA Office of Radiation Programs, Indoor Radon and Radon Decay Product Measurement Device Protocols, July 1992, 402-R-92-004, Section 2.6. Y EPA 402-R-92-004-2
Analysis EPA505 Determination of Organohalide Pesticides and Commercial Polychlorinated Biphenyl (PCB) Products in Water by Microextraction and Gas Chromatography USEPA U.S.EPA National Exposure Research Laboratory (NERL), 1995. Methods for the Determination of Organic Compounds in Drinking Water - Supplement III (EPA/600/R-95-131), Revision 2.1, 1995. Y
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 Y
Analysis EPA1694 Pharmaceuticals and Personal Care Products in Water, Soil, Sediment, and Biosolids by HPLC/MS/MS USEPA U.S. EPA, Office of Water, Office of Science and Technology, Washington DC, EPA-821-R-08-002, Dec 2007 Y
Analysis EPA365.4 Phosphorous, Total (Colorimetric, Automated, Block Digester AA II) USEPA Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020), U.S.EPA National Exposure Research Laboratory (NERL), Microbiological and Chemical Exposure Assessment Research Division, Cincinnati, Ohio, Issued 1974 Y
Analysis EPA1613 Tetra- thru Octa-Chlorinated Dioxins and Furans by Isotope Dilution HRGC/HRMS USEPA US EPA, Methods and Guidance for Analysis of Water, 821/B-94-005 Y
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 Y EPA200.7P
Analysis EPA1614A Brominated Diphenyl Ethers in Water, Soil, Sediment, and Tissue by HRGC/HRMS, May 2010 USEPA U.S. EPA Office of Water, Office of Science and Technology, Engineering and Analysis Division, Washington DC, EPA-821-R-10-005, May 2010. Y
Analysis EPA340.1 Total Fluoride by Colorimetry, SPADNS with Bellack Distillation USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) Y
ANALYSIS SW7471B Mercury in Solid/Semisolid Waste by Manual Cold Vapor Atomic Absorption (CVAA), Revision 2 USEPA EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 2, February 2007 Y
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) Y
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. Y
Analysis EPA1614DRAFT Brominated Diphenyl Ethers in Water, Soil, Sediment and Tissue by HRGC/HRMS, Draft, August 2003 USEPA U.S. EPA Office of Water, Office of Science and Technology, Engineering and Analysis Division. Draft, August 2003. Y
Analysis EPA906.0 Tritium in Drinking Water by Liquid Scintillation Counting, Version 1.0 USEPA US EPA, 1980. Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032), August 1980. Y
Measurement EPA180.1-F Turbidity, Nephelometric by Field Meter USEPA EPA, 1993. Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100), Revision 2.0, August 1993 Y
Analysis EPA-TO-17 Determination of Volatile Organic Compounds in Ambient Air Using Active Sampling onto Sorbent Tubes USEPA EPA, 1999. Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, Second Edition (EPA/625/R-96/010b). EPA Center for Environmental Research Information, Cincinnati, OH Y
Analysis EPA625.1 Base/Neutrals and Acids by GC/MS, Revision 2016 USEPA US EPA Office of Water, December 2017, document 821-R-16-007 Y
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) Y
Analysis EPA376.3-EPA245.5 Acid Volatile Sulfide (AVS) and Simultaneously Extractable Metals (SEM) in Sediment (Draft) and Mercury in Sediment by Manual Cold Vapor Atomic Absorption (CVAA). USEPA USEPA, Draft Method, Office of Science and Technology, EPA-821-R-91-100, December 1991 and USEPA, Method 245.5, Methods for Chemical Analysis of Water and Wastes, Pub. EPA-600/4-82-055, December 1982. Y EPA245.5-AVS
Analysis EPA680 Determination of Pesticides and PCBs in Water and Soil/Sediment by Gas Chromatography/Mass Spectrometry (GC/MS) USEPA U.S. EPA. 1985. Physical and Chemical Methods Branch, Environmental Monitoring and Support Laboratory, Office of Research and Development, Cincinnati, Ohio 45268. Y
Analysis EPA352.1 Nitrate by Colorimetry USEPA U.S.EPA National Exposure Research Laboratory (NERL), 1971 Y
Analysis EPA1656A Organochlorine Pesticides by Gas Chromatography, Revision A USEPA EPA 600 Series, Methods for the Determination of Non-Conventional Pesticides in Municipal and Industrial Wastewater, Volume 1, EPA-821-R-93-010-A, August 1993, Revision 1. Y
Analysis EPA600/2-78-054-3.2 Maximum potential acidity by sulfur determination, EPA 600/2-78-054. USEPA Sobek, Andrew A., W.A. Schuller, J.R. Freeman, and R.M. Smith. March 1978. Field and Laboratory Methods Applicable to Overburdens and Minesoils. EPA600/2-78-054, Ch 3.2.4 Y
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 Y
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) Y
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