Valid Values - Methods



     
  
  
   
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Category Code Description Source Reference Low level method Active Alias Modified By Modified Date
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 EPA625-SIM Base/Neutral and Acid Organics in Wastewater by GC/MS, Selective Ion Monitoring (SIM) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Cincinnati, Ohio, Methods and Guidance for Analysis of Water CD, Version 2.0 N Y EPA625SIM benf461 10/16/2023
Analysis EPA1603M E. coli in Water by Membrane Filtration using Modified mTEC Agar, modified (blue chromagen positive) USEPA U.S. EPA Office of Water, Office of Science and Technology, Engineering and Analysis Division, Washington, DC - modified by Region 10 Manchester Lab. N Y benf461 10/04/2023
Analysis EPA524.3 Measure of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry, Version 1.0. USEPA USEPA, 2009, Method 524.3, V. 1: Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectometry, EPA 815-B-09-009. N Y benf461 10/16/2023
Analysis EPA1653A Chlorinated Phenolics in Wastewater by In Situ Acetylation and GCMS, Revision A USEPA U.S. Environmental Protection Agency Office of Water 821/R-93-017 N Y benf461 10/04/2023
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 EPA376.3 Acid Volatile Sulfide (AVS) and Simultaneously Extractable Metals (SEM) in Sediment by Acidification and Gravimetry, Draft Method. USEPA USEPA, Draft analytical method for determination of acid volatile sulfide and selected simultaneously extractable metals in sediment: USEPA, Office of Science and Technology, December 1991, EPA-821-R-91-100. N Y EPA-AVS benf461 10/09/2023
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 EPA614 Organophosphorus Pesticides in Industrial and Municipal Wastewater by GC USEPA Pressley, T. and J. Longbottom, U.S. Environmental Protection Agency, Washington, D.C., EPA/600/4-82/004 (NTIS PB82155987) or EPA 821/R-93-010-A (CD) N Y benf461 10/16/2023
Preparation EPA1668C-PREP Chlorinated Biphenyls in Water, Soil, Sediment, Biosolids and Tissue by HRGC/HRMS, Revision C, Preparation. USEPA US EPA Office of Water, Office of Science and Technology, Engineering and Analysis Division, EPA-820-R-10-005, April 2010. Y 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 EPA552.2 Determination of Haloacetic Acids and Dalapon in Drinking Water by Liquid-Liquid Extraction, Derivitization and Gas Chromatography with Electron Capture Detection USEPA US EPA, Methods for the Determination of Organic Compounds in Drinking Water - Supplement III (EPA/600/R-95-131), Revision 1.0, 1995 N Y benf461 10/16/2023
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 N Y benf461 10/04/2023
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 N Y benf461 10/12/2023
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 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 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) N Y benf461 10/03/2023
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) N Y benf461 10/12/2023
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 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 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 N Y benf461 10/03/2023
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. N Y benf461 10/04/2023
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) N Y benf461 10/04/2023
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. N Y EPA624SIM benf461 10/16/2023
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 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 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 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 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 N Y benf461 10/04/2023
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 N Y benf461 10/04/2023
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 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 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 N Y benf461 10/16/2023
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 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. N Y benf461 10/09/2023
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 N Y benf461 10/04/2023
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. N Y benf461 10/03/2023
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. N Y EPA 402-R-92-004-2 CNEU461 10/04/2023
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. N Y benf461 10/12/2023
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
Measurement EPA150.2 pH, Continuous Monitoring (Electrometric) USEPA Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 08/27/2024
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 N Y benf461 10/04/2023
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 N Y benf461 10/09/2023
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 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 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. N Y benf461 10/04/2023
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) N Y benf461 10/04/2023
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 CNEU461 06/18/2009
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 EPA-TO-12M Method for the Determination of Non-Methane Organic Compounds (NMOC) in Ambient Air Using Cryogenic Preconcentration and Direct Flame Ionization Detection (PDFID), First Edition, Modified Method. USEPA EPA, 1984. Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, First Edition (EPA600/4-89-017). EPA Center for Environmental Research Information, Cincinnati, OH. N Y CNEU461 09/30/2024
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