Valid Values - Methods



     
  
  
   
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Category Code Description Source Reference Active Alias
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) Y
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) Y
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) Y
Analysis EPA273.2 Sodium by Graphite Furnace Atomic Absorption (GFAA) USEPA U.S.EPA National Exposure Research Laboratory (NERL) Y
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) Y
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) Y
Analysis EPA300.0 Inorganic Anions, Ion Chromatography USEPA Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100) Y
Analysis EPA310.1 Alkalinity (Titrimetric, pH 4.5) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Issued 1971; Editorial Revision 1978 Y
Analysis EPA310.2 Alkalinity (Colorimetric, Automated, Methyl Orange) USEPA U.S. Environmental Protection Agency Office of Water 600/4-79-020. Y
Analysis EPA335.3 Total Cyanide by Automated UV Colorimetry 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 EPA340.3 Fluoride by Colorimetry, Automated Compexone 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 EPA350.1 Nitrogen as Ammonia, Colorimetric, Automated Phenate USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100) Y
Analysis EPA351.1 Nitrogen, Total, Kjeldahl, Colorimetric, Automated Phenol 600/4-79-020 USEPA U.S. Environmental Protection Agency Office of Water. Y
Analysis EPA351.2 Total Kjeldahl Nitrogen in Water by Semiautomated Colorimetry, Revision 2 USEPA U.S. EPA, 1993. Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020), Revision 2, August 1993, EPA-ORD / EPA-OST. Y
Analysis EPA351.2M Total Kjeldahl Nitrogen in Water by Semiautomated Colorimetry, Revision 2, Modified. USEPA U.S. EPA, 1993. Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020), Revision 2, August 1993, Modified, EPA-ORD / EPA-OST. Y
Analysis EPA351.3 Total Kjeldahl Nitrogen Colorimetric, Titrimetric, Potentiometric USEPA U.S. Environmental Protection Agency Office of Water. 600/R-93-100 Y
Analysis EPA351.4 Total Kjeldahl Nitrogen Potentiometric, Ion Selective Electrode USEPA U.S. Environmental Protection Agency Office of Water. 600/4-79-020 Y
Analysis EPA353.2 Nitrogen, Nitrate-Nitrite (Colorimetric, Automated Cadmium Reduction), Revision 2 USEPA US EPA, 1993. Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100), Revision 2, August 1993, National Exposure Research Laboratory (NERL), Cincinnati, OH. Y
Analysis EPA353.2M Nitrogen, Nitrate-Nitrite (Colorimetric, Automated Cadmium Reduction), Revision 2, Modified for Soils. USEPA US EPA, 1993. Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100), Revision 2, August 1993, National Exposure Research Laboratory (NERL), Cincinnati, OH. Y
Analysis EPA360.1 Dissolved Oxygen (DO) by Membrane Electrode. USEPA US EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW), EPA/600/4-79/020, 1971. Y
Analysis EPA360.2 Dissolved Oxygen (DO) by Modified Winkler Full Bottle USEPA U.S.EPA National Exposure Research Laboratory (NERL), 1971 600/4-79-020 Y
Analysis EPA365.1 Phosphorus, All Forms (Colorimetric, Automated, Ascorbic Acid) USEPA U.S.EPA National Exposure Research Laboratory (NERL) 600/R-93-100 Y
Analysis EPA365.2 Phosphorus, (All Forms), Colorimetric, Ascorbic Acid, Single Reage USEPA U.S. Environmental Protection Agency Office of Water 600/4-79-020. Y
Analysis EPA365.3 Phosphorus, (All Forms), Colorimetric, Ascorbic Acid, Two Reagent USEPA U.S. Environmental Protection Agency Office of Water 600/4-79-020 Y
Analysis EPA365.3M Phosphorus, Orthophosphate; Colorimetric, Ascorbic Acid, Two Reagent low level cal. Modified. USEPA U.S. Environmental Protection Agency Office of Water. 600/4-79-020 Y
Analysis EPA365.3OP Phosphorus, Ortho-phos; Colorimetric, Ascorbic Acid, Two Reagent USEPA Y
Analysis EPA376.1 Sulfide (Titrimetric, Iodine) USEPA U.S.EPA National Exposure Research Laboratory (NERL), Issued 1971; Editorial Revision 1978, Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) Y
ANALYSIS EPA405.1 Biochemical Oxygen Demand (BOD), 5 Day at 20 degrees C Ecology-MEL Y
Analysis EPA410.1 Chemical Oxygen Demand, Titrimetric, Mid-Level USEPA U.S. Environmental Protection Agency Office of Water. 600/4-79-020 Y
Analysis EPA410.2 Chemical Oxygen Demand, Titrimetric, Low Level USEPA U.S. Environmental Protection Agency Office of Water. 600/4-79-020 Y
Analysis EPA413.1 Oil and Grease, Total Recoverable, Gravimetric, Separatory Funnel USEPA U.S. Environmental Protection Agency Office of Water. 600/4-79-020 Y
Analysis EPA413.2 Oil and Grease, Infrared Spectrophotometric USEPA U.S. Environmental Protection Agency Office of Water. 600/4-79-020 Y
Analysis EPA415.1 Total Organic Carbon (TOC) in Water by Combustion or Oxidation 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 EPA415.2 Total Organic Carbon (TOC) in Water by UV Promoted, Persulfate Oxidation 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 EPA418.1 Petroleum Hydrocarbons, Total Recoverable, Infrared Spectroscopy USEPA U.S.EPA National Exposure Research Laboratory (NERL), Methods for Chemical Analysis of Water and Waste 1983 (EPA-600/4-79/020 PB84-18677) Y
Analysis EPA420.2 Phenolics, Total Recoverable, Colorimetric, Automated 4-AAP with Dis 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 EPA425.1 Methylene Blue Active Substances (MBAs) Colorimetric 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 EPA446.0 Chlorophylls and Pheopigments in Phytoplankton by Spectrophotometry 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 EPA504 Ethylene Dibromide (EDB), Dibromochloropropane, (DBCP) - DW by Microextraction Ethylene Dibromide USEPA U.S. Environmental Protection Agency Office of Water 600/4-88-039. Y
Analysis EPA510.1 Trihalomethane Potential, Maximum Total USEPA U.S. Environmental Protection Agency Office of Water 600/4-81-044. Y
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
Analysis EPA547 Glyphosate in Drinking Water by Direct-Aqueous-Injection HPLC, Post Column Derivitization, and Fluorescence Detection USEPA US EPA NERL, July 1990. Methods for the Determination of Organic Compounds in Drinking Water - Supplement I (EPA 600/4-90/020) Y
Analysis EPA549.1 Diquat and Paraquat by Liquid-Solid extraction & HPLC USEPA U.S. Environmental Protection Agency Office of Water 600/R-92-129. Y
Analysis EPA602 Benzene, Chlorobenzene, Ethylbenzene GC Purge and Trap USEPA U.S. Environmental Protection Agency Office of Water 40CFR 136 App A Y
Analysis EPA608 Organochlorine Pesticides and PCBs in Water via GC with Electron Capture Detector (ECD) USEPA EPA Method Guidance CD-ROM (includes MCAWW Methods, and most current EPA Methods), US EPA Headquarters Y
ANALYSIS EPA608.5 Percent fat (lipids) in tissue Ecology-MEL Y
Analysis EPA610 Polynuclear Aromatic Hydrocarbons (PAHs), GC or HPLC USEPA U.S. Environmental Protection Agency Office of Water 40CFR 136 App A Y
Analysis EPA624 GC/MS Purge and Trap Scan USEPA U.S. Environmental Protection Agency Office of Water 40CFR 136 App A Y
Analysis EPA625 Base/Neutral and Acid Organics in Wastewater by GC/MS USEPA U.S.EPA National Exposure Research Laboratory (NERL), Cincinnati, Ohio, Methods and Guidance for Analysis of Water CD, Version 2.0 Y
Analysis EPA632 Carbamates and Urea Pesticides in Soil and Water by High Performance Liquid Chromatography (HPLC) USEPA U.S. Environmental Protection Agency Office of Water 821/R-93-010-A, CD Y
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