BIOSENSORS: ABIOTICS: TABLES

U.S.EPA Drinking Water Methods for Chemical Contaminants
Method	Method Focus	Title	Order Number	Source
100.1	Asbestos by Transmision Electron Microscopy	Analytical Method for the Determination of Asbestos Fibers in Water (EPA/600/4-83-043)	PB83-260471	National Technical Information Service (NTIS)
100.2	Asbestos by Transmision Electron Microscopy	Determination of Asbestos Structures Over 10 µm in Length in Drinking Water (EPA/600R-94/134)	PB94-201902	National Technical Information Service (NTIS)
150.1	pH, Electrometric	Methods for Chemical Analysis of Water and Wastes (EPA/600/4-79/020)	PB84-128677	National Technical Information Service (NTIS)
150.2	pH, Electrometric (Continuous Monitoring)	Methods for Chemical Analysis of Water and Wastes (EPA/600/4-79/020)	PB84-128677	National Technical Information Service (NTIS)
180.1 Rev 2.0	Turbidity, Nephelometric	Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)	PB94-120821	National Technical Information Service (NTIS)
200.7 Rev 4.4	Metals and Trace Elements by ICP/Atomic Emission Spectrometry	Methods for the Determination of Metals in Environmental Samples Supplement 1 (EPA/600/R-94/111)	PB95-125472	National Technical Information Service (NTIS)
200.8 Rev 5.4	Trace Elements by ICP/Mass Spectrometry	Methods for the Determination of Metals in Environmental Samples Supplement 1 (EPA/600/R-94/111)	PB95-125472	National Technical Information Service (NTIS)
200.9 Rev 2.2	Trace Elements by Stabilized Temperature Graphite Furnace AA Spectrometry	Methods for the Determination of Metals in Environmental Samples Supplement 1 (EPA/600/R-94/111)	PB95-125472	National Technical Information Service (NTIS)
245.1 Rev 3.0	Mercury by Cold Vapor AA Spectrometry - Manual	Methods for the Determination of Metals in Environmental Samples Supplement 1 (EPA/600/R-94/111)	PB95-125472	National Technical Information Service (NTIS)
245.2	Mercury by Cold Vapor AA Spectrometry - Automated	Methods for Chemical Analysis of Water and Wastes (EPA/600/4-79/020)	PB84-128677	National Technical Information Service (NTIS)
300.0 Rev 2.1	Inorganic Anions by Ion Chromatography	Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)	PB94-120821	National Technical Information Service (NTIS)
300.1 Rev 1.0	Determination of Inorganic Anions in Drinking Water by Ion Chromatography	Methods for the Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1 (EPA 815-R-00-014)		NSCEP: 815-R-00-014. Download 300.1 in PDF format
335.4 Rev 1.0	Total Cyanide by Semi-Automated Colorimetry	Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)	PB94-120821	National Technical Information Service (NTIS)
353.2 Rev 2.0	Nitrate-Nitrite by Automated Colorimetry	Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)	PB94-120821	National Technical Information Service (NTIS)
365.1 Rev 2.0	Phosphorus by Automated Colorimetry. (Method for ortho-Phosphate)	Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)	PB94-120821	National Technical Information Service (NTIS)
375.2 Rev 2.0	Sulfate by Automated Colorimetry	Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)	PB94-120821	National Technical Information Service (NTIS)
502.2 Rev 2.1	VOCs by Purge and Trap Capillary GC with Photoionization and Electrolytic Conductivity Detectors in Series	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
504.1 Rev 1.1	EDB, DBCP, and 1,2,3-Trichloropropane by microextraction and GC	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
505 Rev 2.1	Organohalide Pesticides and PCBs by microextraction and GC	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
506 Rev 1.1	Phthalate and Adipate Esters by Liquid-Liquid or Liquid-Solid Extraction by GC with a Photoionization Detector	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
507 Rev 2.1	Nitrogen- and Phosphorus- Containing Pesticides by GC with a Nitrogen Phosphorus Detector	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
508 Rev 3.1	Chlorinated Pesticides by GC with an Electron Capture Detector	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
508A Rev 1.0	Screening for PCBs by Perchlorination and GC	Methods for the Determination of Organic Compounds in Drinking Water (EPA/600/4-88-039), December 1988, Revised July 1991	PB91-231480	National Technical Information Service (NTIS)
508.1 Rev 2.0	Chlorinated Pesticides, Herbicides and Organohalides by Liquid-Solid Extraction and GC with an Electron Capture Detector	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
515.1 Rev 4.0	Chlorinated Acids by GC with an Electron Capture Detector	Methods for the Determination of Organic Compounds in Drinking Water (EPA/600/4-88-039), December 1988, Revised July 1991	PB91-231480	National Technical Information Service (NTIS)
515.2 Rev 1.1	Chlorinated Acids using Liquid-Solid Extraction and GC with an Electron Capture Detector	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
515.3 Rev 1.0	Chlorinated Acids using Liquid-Liquid Extraction, Derivatization and GC with Electron Capture Detection	Methods for the Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1 (EPA 815-R-00-014)		NSCEP: 815-R-00-014. Download 515.3 in PDF format.
515.4 Rev 1.0	Chlorinated Acids using Liquid-Liquid Microextraction, Derivatization, and Fast Gas Chromatography with Electron Capture Detection	Determination of Chlorinated Acids in Drinking Water by Liquid-Liquid Microextraction, Derivatization, and Fast Gas Chromatography with Electron Capture Detection		Download 515.4 in PDF format.
524.2 Rev 4.1	Purgeable Organic Compounds by Capillary Column GC/Mass Spectrometry	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
525.2 Rev 2.0	Organic Compounds by Liquid- Solid Extraction and Capillary Column GC/Mass Spectrometry	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
531.1 Rev 3.1	N-Methylcarbamoyloximes and N-Methylcarbamates by HPLC with Post Column Derivatization	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
531.2 Rev 1.0	N-Methylcarbamoyloximes and N-Methylcarbamates by Direct Aqueous Injection HPLC with Post Column Derivatization	Measurement of N-Methyl-carbamoyloximes and N-Methyl-carbamates in Water by Direct Aqueous Injection HPLC with Post Column Derivatization		Download 531.2 in PDF format.
547	Glyphosphate by HPLC, Post Column Derivatization, and Fluorescence Detector	Methods for the Determination of Organic Compounds in Drinking Water Supplement I (EPA/600/4-90/020)	PB91-146027	National Technical Information Service (NTIS)
548.1 Rev 1.0	Endothall by Ion Exchange Extraction, Acidic Methanol Methylation and GC/Mass Spectrometry	Methods for the Determination of Organic Compounds in Drinking Water Supplement II (EPA/600/R-92/129)	PB92-207703	National Technical Information Service (NTIS)
549.2 Rev 1.0	Diquat and Paraquat by Liquid- Solid Extraction and HPLC with a Photodiode Array UV Detector	Methods for the Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1 (EPA 815-R-00-014)		NSCEP: 815-R-00-014
550	Polycyclic Aromatic Hydrocarbons (PAHs) by Liquid-Liquid Extraction and HPLC with Coupled UV and Fluorescence Detection	Methods for the Determination of Organic Compounds in Drinking Water Supplement I (EPA/600/4-90/020)	PB91-146027	National Technical Information Service (NTIS)
550.1	Polycyclic Aromatic Hydrocarbons (PAHs) by Liquid-Solid Extraction and HPLC with Coupled UV and Fluorescence Detection	Methods for the Determination of Organic Compounds in Drinking Water Supplement I (EPA/600/4-90/020)	PB91-146027	National Technical Information Service (NTIS)
551.1 Rev 1.0	Chlorinated Disinfection By-Products and Chlorinated Solvents by Liquid-Liquid Extraction and GC with an Electron Capture Detector	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
552.1 Rev 1.0	Haloacetic Acids and Dalapon by Ion Exchange Liquid-Solid Extraction and GC with Electron Capture Detector	Methods for the Determination of Organic Compounds in Drinking Water Supplement II (EPA/600/R-92/129)	PB92-207703	National Technical Information Service (NTIS)
552.2 Rev 1.0	Haloacetic Acids and Dalapon by Liquid-Liquid Extraction, Derivatization and GC with Electron Capture Detector	Methods for the Determination of Organic Compounds in Drinking Water-Supplement III (EPA/600/R-95-131)	PB95-261616	National Technical Information Service (NTIS)
555 Rev 1.0	Chlorinated Acids by HPLC with a Photodiode Array Ultraviolet Detector	Methods for the Determination of Organic Compounds in Drinking Water Supplement II (EPA/600/R-92/129)	PB92-207703	National Technical Information Service(NTIS)

Additional Drinking Water Methods (non EPA) for Chemical Parameters
Method	Method Focus	Title	Order Number	Source
601	Nitrate by Ion Selective Electrode	Standard Method of Test for Nitrate in Drinking Water, July 1994	PN 221890-001	ATI Orion
1613	Chlorinated Dioxins by Isotope Dilution High Resolution Gas Chromatography/High Resolution Mass Spectrometry	Tetra-Through Octa-Chlorinated Dioxins and Furans by Isotope dilution HRGC/HRMS	PB95-104774	National Technical Information Service (NTIS)
2120 B	Color by Visual Comparison Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
2130 B	Turbidity, Nephelometric	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
2150 B	Odor	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
2320 B	Alkalinity by Titration	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
2510 B	Conductivity	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn.(AWWA)
2540 C	Total Dissolved Solids (TDS)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
2550	Temperature	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
3111 B	Metals by Flame AA Spectrometry, Direct Air-Acetylene Flame	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
3111 D	Metals by Flame AA Spectrometry, Direct Nitrous Oxide-Acetylene Flame	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
3112 B	Metals by Cold-Vapor AA Spectrometry	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
3113 B	Metals by Electrothermal AA Spectrometry	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
3114 B	Metals by Hydride Generation / AA Spectrometry	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
3120 B	Metals by ICP/Atomic Emission Spectroscopy	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
3500-Ca B	Calcium by EDTA Titration	Standard Methods for the Examination of Water and Wastewater, 20th Edition	Included in Standard Methods	American Water Works Assn. (AWWA)
3500-Ca D	Calcium by EDTA Titration	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
3500-Mg B	Magnesium by Complexation Titration and Calculated Difference	Standard Methods for the Examination of Water and Wastewater, 20th Edition	Included in Standard Methods	American Water Works Assn. (AWWA)
3500-Mg E	Magnesium by Complexation Titration and Calculated Difference	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4110 B	Inorganic Anions by Ion Chromatography	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Cl^- B	Chloride by Silver Nitrate Titration	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Cl^- D	Chloride by Potentiometric Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Cl D	Chlorine Residual by Amperometric Titration (Stage 1 DBP use SM 19th Ed. only)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Cl E	Chlorine Residual by Low Level Amperometric Titration (Stage 1 DBP use SM 19th Ed. only)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Cl F	Chlorine Residual by DPD Ferrous Titration (Stage 1 DBP use SM 19th Ed. only)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Cl G	Chlorine Residual by DPD Colorimetric Method (Stage 1 DBP use SM 19th Ed. only)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Cl H	Chlorine Residual by Syringaldazine (FACTS) Method (Stage 1 DBP use SM 19th Ed. only)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Cl I	Chlorine Residual by Iodometric Electrode Technique (Stage 1 DBP use SM 19th Ed. only)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-ClO₂ C	Chlorine Dioxide by the Amperometric Method I	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-ClO₂ D	Chlorine Dioxide by the DPD Method (Stage 1 DBP use SM 19th Ed. only)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-ClO₂ E	Chlorine Dioxide by the Amperometric Method II (Stage 1 DBP use SM 19th Ed. only)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-CN^- C	Total Cyanide after Distillation	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-CN^- E	Cyanide by Colorimetric Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-CN^- F	Cyanide by the Cyanide-Selective Electrode Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-CN^- G	Cyanides Amenable to Chlorination after Distillation	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-F^- B	Fluoride - Preliminary Distillation Step	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-F^- C	Fluoride by Ion Selective Electrode	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-F^- D	Fluoride by SPADNS Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-F^- E	Fluoride by Complexone Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-H⁺ B	pH, Electrometric	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-NO₂^- B	Nitrite by Colorimetric Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-NO₃^- D	Nitrate by Ion Selective Electrode Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-NO₃^- E	Nitrate by Cadmium Reduction Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-NO₃^- F	Nitrate by Automated Cadmium Reduction Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-O₃ B	Ozone Residual by indigo Colorimetric Method	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-P E	Phosphorus by Ascorbic Acid Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-P F	Phosphorus by Automated Ascorbic Acid Reduction Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Si D	Silica by Molybdosilicate Method	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Si E	Silica by Heteropoly Blue Method	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-Si F	Silica: Automated Method for Molybdate-Reactive Silica	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-SiO₂ C	Silica by Molybdosilicate Method	Standard Methods for the Examination of Water and Wastewater, 20th Edition	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-SiO₂ D	Silica by Heteropoly Blue Method	Standard Methods for the Examination of Water and Wastewater, 20th Edition	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-SiO₂ E	Silica: Automated Method for Molybdate-Reactive Silica	Standard Methods for the Examination of Water and Wastewater, 20th Edition	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-SO₄^2- C	Sulfate by Gravimetric Method with Ignition of Residue	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-SO₄^2- D	Sulfate by Gravimetric Method with Drying of Residue	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-SO₄^2- E	Sulfate by Turbidimetric Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
4500-SO₄^2- F	Sulfate by Automated Methylthymol Blue Method	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
5310 B	Total Organic Carbon by Combustion Method	Standard Methods for the Examination of Water and Wastewater, 19th Edition Supplement	Included in Standard Methods	American Water Works Assn. (AWWA)
5310 C	Total Organic Carbon by Persulfate-UV or Heated Persulfate Method	Standard Methods for the Examination of Water and Wastewater, 19th Edition Supplement	Included in Standard Methods	American Water Works Assn. (AWWA)
5310 D	Total Organic Carbon by Wet-Oxidation Method	Standard Methods for the Examination of Water and Wastewater, 19th Edition Supplement	Included in Standard Methods	American Water Works Assn. (AWWA)
5540 C	Anionic Surfactants as Methyl Blue Active Substances (MBAS)	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
5910 B	Ultraviolet Absorption at 254nm	Standard Methods for the Examination of Water and Wastewater, 19th Edition	Included in Standard Methods	American Water Works Assn. (AWWA)
6251 B	Haloacetic Acids	Standard Methods for the Examination of Water and Wastewater, 19th Edition	Included in Standard Methods	American Water Works Assn. (AWWA)
6610	Carbamates by High Performance Liquid Chromatography with Postcolumn Fluorescence Detection	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
6651	Glyphosphate Herbicide by Liquid Chromatographic Postcolumn Fluorescence	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
10133 Rev. 2.0	Turbidity, Nephelometric	Determination of Turbidity by Laser Nephelometry, January 2000	use method #	Hach Co.
129-71W	Fluoride by Automated Alizarin	Fluoride in Water and Wastewater, December 1972	use method #	Technicon Industrial Systems
380-75WE	Fluoride by Automated Electrode	Fluoride in Water and Wastewater, February 1976	use method #	Technicon Industrial Systems
B-1011	Nitrate and Nitrite by Ion Chromatography	Waters Test Method for Determination of Nitrite/Nitrate in Water Using Single Column Ion Chromatography	use method #	Waters Corporation
D511-93A	Calcium and Magnesium by EDTA Titration	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D511-93B	Calcium and Magnesium by Direct Aspiration Atomic Absorption	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D512-89B	Chloride by Silver Nitrate Titration	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D515-88A	Phosphorus by Ascorbic Acid Colorimetry	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D516-90	Sulfate by Turbidimetric Method	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D859-95	Silica by Colorimetry	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D1067-92B	Alkalinity by Titration	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D1125-95A	Conductivity	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D1179-93A	Fluoride by Distillation and Ion Selective Electrode	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D1179-93B	Fluoride by Manual Electrode	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D1253-86	Chlorine Residual by Amperometric Titration	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D1293-95	pH, Electrometric	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D1688-95A	Copper by Direct Aspiration Atomic Adsorption	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D1688-95C	Copper by Furnace Atomic Adsorption	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D2036-98A	Cyanide	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D2036-98B	Cyanide, Spectrophotometric, Amenable	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D2972-97B	Arsenic by Hydride Atomic Absorption	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D2972-97C	Arsenic by Atomic Absorption; Furnace	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D3223-97	Mercury by Cold Vapor AA Spectrometry - Manual	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D3559-96D	Lead by Furnace Atomic Adsorption	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D3645-97B	Beryllium by Atomic Absorption; Furnace	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D3697-92	Antimony by Hydride Atomic Absorption	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D3859-98A	Selenium by Gaseous Hydride Atomic Absorption	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D3859-98B	Selenium by Furnace Atomic Absorption.	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D3867-90A	Nitrate and Nitrite by Automated Cadmium Reduction	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D3867-90B	Nitrate and Nitrite by Manual Cadmium Reduction	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D4327-97	Inorganic Anions by Ion Chromatography	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
D5317-93	Chlorinated Organic Acid Compounds by GC with an Electron Capture Detector	Annual Book of ASTM Standards, Vols. 11.01 and 11.02	use method #	American Society for Testing and Materials (ASTM)
I-1030-85	Alkalinity by Electrometric Titration	Books and Open-File Reports Section	use method #	U.S. Geological Survey (USGS)
I-1601-85	ortho- Phosphate by Colorimetric, Phosphomolybdate	Books and Open-File Reports Section	use method #	U.S. Geological Survey (USGS)
I-1700-85	Silica by Colorimetric, molybdate blue	Books and Open-File Reports Section	use method #	U.S. Geological Survey (USGS)
I-2598-85	ortho-Phosphate; Automated discrete	Books and Open-File Reports Section	use method #	U.S. Geological Survey (USGS)
I-2601-90	ortho-Phosphate; Automated-segmented flow	Books and Open-File Reports Section	use method #	U.S. Geological Survey (USGS)
I-2700-85	Silica by Automated-Segmented Flow	Books and Open-File Reports Section	use method #	U.S. Geological Survey (USGS)
I-3300-85	Cyanide	Books and Open-File Reports Section	use method #	U.S. Geological Survey (USGS)
I-3720-85	Metals by ICP/Atomic Emission Spectrometry	Books and Open-File Reports Section	use method #	U.S. Geological Survey (USGS)
Kelada 01	Cyanide, UV/Distillation/ Spectrophotometric	Kelada Automated Test Methods for Total Cyanide	PB 2001-108275	National Technical Information Service (NTIS)
Method 2	Turbidity, Nephelometric.	Turbidity, November 2, 1992	use method #	Great Lakes Instruments, Inc.
Method 1001	Lead by Differential Pulse Anodic Stripping Voltammetry		use method #	Palintest, Ltd. or Hach Co.
QuikChem 10-204-00-1-X	Cyanide, Distillation/ Spectrophotometric	Digestion and distillation of total cyanide in drinking and wastewaters	use method #	Lachat Instruments
Syngenta AG-625	Atrazine by Immunoassay	Atrazine in Drinking Water by Immunoassay	use method #	Syngenta Crop Protection, Inc.

Approved Methods for Inorganic Chemicals and Other Contaminants

Contaminant	Methodology¹³	EPA	ASTM³	SM⁴ (18th, 19th ed.)	SM⁴ (20th ed.)	Other
Alkalinity	Titrimetric		D1067-92B	2320 B	2320 B
Alkalinity	Electrometric titration					I-1030-85⁵
Antimony	ICP-Mass Spectrometry	200.8²
	Hydride-Atomic Absorption		D3697-92
	Atomic Absorption; Platform	200.9²
	Atomic Absorption; Furnace			3113 B
Arsenic¹⁴	Inductively Coupled Plasma¹⁵	200.7²		3120 B	3120 B
	ICP-Mass Spectrometry	200.8²
	Atomic Absorption; Platform	200.9²
	Atomic Absorption; Furnace		D2972-97C	3113 B
	Hydride Atomic Absorption		D2972-97B	3114 B
Asbestos	Transmission Electron Microscopy	100.1⁹
Asbestos	Transmission Electron Microscopy	100.2¹⁰
Barium	Inductively Coupled Plasma	200.7²		3120 B	3120 B
	ICP-Mass Spectrometry	200.8²
	Atomic Absorption; Direct			3111 D
	Atomic Absorption; Furnace			3113 B
Beryllium	Inductively Coupled Plasma	200.7²		3120 B	3120 B
	ICP-Mass Spectrometry	200.8²
	Atomic Absorption; Platform	200.9²
	Atomic Absorption; Furnace		D3645-97B	3113 B
Bromate	Ion Chromatography	300.1
Cadmium	Inductively Coupled Plasma	200.7²
	ICP-Mass Spectrometry	200.8²
	Atomic Absorption; Platform	200.9²
	Atomic Absorption; Furnace			3113 B
Calcium	EDTA titrimetric		D511-93A	3500-Ca D	3500-Ca B
	Atomic Absorption; Direct Aspiration		D511-93B	3111 B
	Inductively Coupled Plasma	200.7²		3120 B	3120 B
Chlorite (daily monitoring)19	Ion Chromatography	300.0 300.1
Chlorite (daily monitoring)19	Amperometric Titraton (SM 19th Ed. only)			4500-ClO₂ E
Chlorite (distribution system monitoring)19	Ion Chromatography	300.0 300.1
Chromium	Inductively Coupled Plasma	200.7²		3120 B	3120 B
	ICP-Mass Spectrometry	200.8²
	Atomic Absorption; Platform	200.9²
	Atomic Absorption; Furnace			3113 B
Copper	Atomic Absorption; Furnace		D1688-95C	3113 B
	Atomic Absorption; Direct Aspiration		D1688-95A	3111 B
	Inductively Coupled Plasma	200.7²		3120 B	3120 B
	ICP - Mass Spectrometry	200.8
	Atomic Absorption; Platform	200.9
Conductivity	Conductance		D1125-95A	2510 B	2510 B
Cyanide	Preliminary Distillation Step		D2036-98A	4500-CN- C	4500-CN- C
	Spectrophotometric Manual		D2036-98A	4500-CN- E	4500-CN- E	I-3300-85⁵
	Spectrophotometric Semi-automated	335.4⁶
	Spectrophotometric, Amenable		D2036-98B	4500-CN- G	4500-CN- G
	Selective Electrode			4500-CN- F	4500-CN- F
	UV/Distillation/ Spectrophotometric					Kelada 01 ¹⁷
	Distillation/ Spectrophotometric					QuikChem 10-204-00-1-X ¹⁸
Fluoride	Ion Chromatography	300.0⁶	D4327-97	4110 B	4110 B
	Preliminary Distillation Step; Colorimetric SPADNS			4500-F- B,D	4500-F- B,D
	Manual Electrode		D1179-93B	4500-F- C	4500-F- C
	Automated Electrode					380-75WE¹¹
	Automated Alizarin			4500-F- E	4500-F- E	129-71W¹¹
Lead	Atomic Absorption; Furnace		D3559-96D	3113 B
	ICP-Mass spectrometry	200.8²
	Atomic Absorption; Platform	200.9²
	Differential Pulse Anodic Stripping Voltammetry					Method 1001¹⁶
Magnesium	Atomic Absorption		D511-93B	3111 B
	ICP	200.7 ²		3120 B	3120 B
	Complexation Titrimetric Methods		D511-93A	3500-Mg E	3500-Mg B
Mercury	Manual, Cold Vapor	245.1²	D3223-97	3112 B
	Automated, Cold Vapor	245.2¹
	ICP-Mass Spectrometry	200.8²
Nickel	Inductively Coupled Plasma	200.7²		3120 B	3120 B
	ICP-Mass Spectrometry	200.8²
	Atomic Absorption; Platform	200.9²
	Atomic Absorption; Direct			3111 B
	Atomic Absorption; Furnace			3113 B
Nitrate	Ion Chromatography	300.0⁶	D4327-97	4110 B	4110 B	B-1011⁸
	Automated Cadmium Reduction	353.2⁶	D3867-90A	4500-NO3- F	4500-NO3- F
	Ion Selective Electrode			4500-NO3- D	4500-NO3- D	601⁷
	Manual Cadmium Reduction		D3867-90B	4500-NO3- E	4500-NO3- E
Nitrite	Ion Chromatography	300.0⁶	D4327-97	4110 B	4110 B	B-1011⁸
	Automated Cadmium Reduction	353.2⁶	D3867-90A	4500-NO3- F	4500-NO3- F	B-1011⁸
	Manual Cadmium Reduction		D3867-90B	4500-NO3- E	4500-NO3- E
	Spectrophotometric			4500-NO2- B	4500-NO2- B
Ortho-phosphate¹²	Colorimetric, Automated, Ascorbic Acid	365.1⁶		4500-P F	4500-P F
	Colorimetric, Ascorbic acid, single reagent		D515-88A	4500-P E	4500-P E
	Colorimetric Phosphomolybdate					I-1601-85⁵
	Automated-segmented Flow					I-2601-90⁵
	Automated Discrete					I-2598-85⁵
	Ion Chromatography	300.0⁶	D4327-97	4110 B	4110 B
pH	Electrometric	150.1¹ 150.2¹	D1293-95	4500-H+ B	4500-H+ B
Selenium	Hydride-Atomic Absorption		D3859-98A	3114 B
	ICP-Mass Spectrometry	200.8²
	Atomic Absorption; Platform	200.9²
	Atomic Absorption; Furnace		D3859-98B	3113 B
Silica	Colorimetric, Molybdate Blue					I-1700-85⁵
	Automated-segmented Flow					I-2700-85⁵
	Colorimetric		D859-95
	Molybdosilicate			4500-Si D	4500-SiO2 C
	Heteropoly Blue			4500-Si E	4500-SiO2 D
	Automated for Molybdate-reactive Silica			4500-Si F	4500-SiO2 E
	Inductively Coupled Plasma	200.7²		3120 B	3120 B
Sodium	Inductively Coupled Plasma	200.7²
Sodium	Atomic absorption; Direct Aspiration			3111 B
Temperature	Thermometric			2550	2550
Thallium	ICP-Mass Spectrometry	200.8²
Thallium	Atomic Absorption; Platform	200.9²

Approved Methods for Organic Chemicals

Contaminant	EPA method	SM	ASTM	Other
Benzene	502.2, 524.2
Carbon tetrachloride	502.2, 524.2, 551.1
Chlorobenzene	502.2, 524.2
1,2-Dichlorobenzene	502.2, 524.2
1,4-Dichlorobenzene	502.2, 524.2
1,2-Dichloroethane	502.2, 524.2
cis-Dichloroethylene	502.2, 524.2
trans-Dichloroethylene	502.2, 524.2
Dichloromethane	502.2, 524.2
1,2-Dichloropropane	502.2, 524.2
Ethylbenzene	502.2, 524.2
Styrene	502.2, 524.2
Tetrachloroethylene	502.2, 524.2, 551.1
1,1,1-Trichloroethane	502.2, 524.2, 551.1
Trichloroethylene	502.2, 524.2, 551.1
Toluene	502.2, 524.2
1,2,4-Trichlorobenzene	502.2, 524.2
1,1-Dichloroethylene	502.2, 524.2
1,1,2-Trichloroethane	502.2, 524.2, 551.1
Vinyl chloride	502.2, 524.2
Xylenes (total)	502.2, 524.2
2,3,7,8-TCDD (dioxin)	1613
2,4-D ³ (as acid, salts and esters)	515.2, 555, 515.1, 515.3, 515.4		D5317-93
2,4,5-TP ³ (Silvex)	515.2, 555, 515.1, 515.3, 515.4		D5317-93
Alachlor ¹	505, 507, 525.2, 508.1, 551.1
Atrazine ¹	505, 507, 525.2, 508.1, 551.1			Syngenta AG-625
Benzo(a)pyrene	525.2, 550, 550.1
Carbofuran	531.1, 531.2,	6610
Chlordane	505, 508, 525.2, 508.1
Dalapon	552.1, 515.1, 515.3, 552.2, 515.4,
Di(2-ethylhexyl)adipate	506, 525.2
Di(2-ethylhexyl)phthalate	506, 525.2
Dibromochloropropane (DBCP)	504.1, 551.1
Dinoseb³	515.2, 555, 515.1, 515.3 515.4
Diquat	549.2
Endothall	548.1
Endrin	505, 508, 525.2, 508.1, 551.1
Ethylene dibromide (EDB)	504.1, 551.1
Glyphosate	547	6651
Heptachlor	505, 508, 525.2, 508.1, 551.1
Heptachlor Epoxide	505, 508, 525.2, 508.1, 551.1
Hexachlorobenzene	505, 508, 525.2, 508.1, 551.1
Hexachlorocyclopentadiene	505, 508, 525.2, 508.1, 551.1
Lindane	505, 508, 525.2, 508.1, 551.1
Methoxychlor	505, 508, 525.2, 508.1, 551.1
Oxamyl	531.1, 531.2	6610
PCBs (as decachlorobiphenyl)²	508A
PCBs (as Aroclors)²	505, 508, 508.1, 525.2
Pentachlorophenol	515.2, 525.2, 555, 515.1, 515.3, 515.4		D5317-93
Picloram ³	515.2, 555, 515.1, 515.3, 515.4		D5317-93
Simazine ¹	505, 507, 525.2, 508.1, 551.1
Toxaphene	505, 508, 508.1 525.2
Haloacetic acids (five)(HAA5)⁴	552.1, 552.2	6251 B
Total Trihalomethanes⁵	502.2, 524.2, 551.1

Drinking Water Methods for Microbiological Contaminants
Method	Method Focus	Title	Order Number	Source
9215 B	Heterotropic Plate Count by Pour Plate Method	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9221 A	Multiple-Tube Fermentation Technique for Members of the Coliform Group	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9221 B	Standard Total Coliform Fermentation Technique	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9221 C	Estimation of Bacterial Density	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9221 D	Presence-Absence (P-A) Coliform Test	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9221 E	Fecal Coliform Procedure	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9222 A	Membrane Filtration Technique for Members of the Coliform Group	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9222 B	Standard Total Coliform Membrane Filter Procedure	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9222 C	Delayed Incubation Total Coliform Procedure	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9222 D	Fecal Coliform Membrane Filter Procedure	Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
9223	Chromogenic Substrate Coliform Test	Standard Methods for the Examination of Water and Wastewater, 18th, 19th & 20th Editions	Included in Standard Methods	American Water Works Assn. (AWWA)
Colilert® Colilert-18®	Chromogenic Substrate Coliform Test	Colilert Test, June 1992	See source	IDEXX Laboratories, Inc.
Coliscan®	Membrane filtration technique	Coliscan Test, August 2000	See source	Micrology Laboratories
Colisure®	Chromogenic Substrate Coliform Test	Colisure Test, February 1994	See source	IDEXX Laboratories, Inc.
Colitag®	Chromogenic Substrate Coliform Test	"Colitag® Product as a Test for Detection and Identification of Coliforms and E. Coli Bacteria in Drinking Water and Source Water as Required in National Primary Drinking Water Regulations," August 2001	See source	CPI International, Inc.
E*Colite Test®	Chromogenic Substrate Coliform Test	"Presence/Absence for Coliforms and E. Coli in Water," December 1997	See source	Charm Sciences, Inc.
m-ColiBlue24® Test	Chromogenic Substrate Coliform Test	m-ColiBlue24® Test, August 1999	See source	Hach Co.
Readycult® Coliforms 100 Presence/Absence Test	Chromogenic Substrate Coliform Test	"Readycult® Coliforms 100 Presence/Absence Test for Detection and Identification of Coliform Bacteria and Escherichla coli in Finished Waters," November 2000, Verson 1.0	See source	EMD Chemicals (formerly EM Science)
Chromocult® Coliform Agar	Membrane filtration for members of coliform group	"Chromocult® Coliform Agar Presence/Absence Membrane Filter Test Method for Detection and Identificaiton of Coliform Bacteria and Escherichla coli in Finished Waters," November 2000. Version 1.0	See source	EMD Chemicals (formerly EM Science)

Summary of Approved and Accepted Microbiological Methods for EPA Water Monitoring Regulations
Technique	Media	Method Designation¹	Total Coliform Rule 40 CFR part 141.21 (f)	Surface Water Treatment Rule 40 CFR part 141.74 (a)
Total Coliforms
Fermentation broth method	LTB -- BGLB Broth	SM 9221 B,C	X	X
Fermentation broth method	P-A Broth -- BGLB Broth	SM 9221 D	X
Enzyme substrate method	Colilert®, Colilert - 18®	SM 9223	X	X
	Colisure Test²	SM 9223	X
	Readycult® ³	See footnote 3	X
	E*Colite® Test⁴	See footnote 4	X
	Colitag® ⁵	See footnote 5	X
Membrane filter method	mEndo or LES-Endo -- LTB, BGLB	SM 9222 B,C	X	X
	MI Medium	EPA 1604 also PDF	X	X
	m-ColiBlue24® Test⁶	see footnote 6	X
	Chromocult® ⁷	see footnote 7	X
	Coliscan ⁸	see footnote 8	X	X
Escherichia coli
Enzyme substrate method	Colilert® or Colilert-18®	SM 9223	X
	Colisure Test²	SM 9223	X
	Colitag® ⁵	see footnote 5	X
	E*Colite™ Test⁴	see footnote 4	X
	Readycult® ³	see footnote 3	X
	LTB, P/A broth, M-Endo -- EC-MUG	(SM 9221 B,D; SM 9222 B) SM 9221 F	X
Membrane Filtration	mEndo or LES-Endo -- NA-MUG	SM 9222B -- SM 9222G	X
	MI Medium	EPA 1604 also PDF	X
	m-ColiBlue24® Test⁶	see footnote 6	X
	Chromocult® Coliform Agar⁷	see footnote 7	X
	Coliscan⁸	see footnote 8	X
Fecal Coliforms
Fermentation broth method	LTB -- EC broth	(SM 9221 B) SM 9221 E	X	X
	P/A Broth -- EC broth	(SM 9221 D) SM 9221 E	X
	A-1 broth	SM 9221E		X
Membrane Filtration	M-Endo medium -- EC broth	(SM 9222 B) SM 9221 E	X	X
Membrane Filtration	mFC	SM 9222 D		X
Heterotrophic Bacteria
Pour plate method	Plate count agar	SM 9215 B		X
Multiple enzyme substrate	SimPlate®			X
Pour plate, spread plate, or membrane filter methods	R2A		X ⁹

Approved Methods for Disinfectant Residuals To comply with provisions of the Surface Water Treatment Rule monitoring under Subpart H of 40 CFR §141.74, public water systems must measure residual disinfectant concentrations with one of the analytical methods in the following table. The methods are contained in the 18th, 19th and 20th editions of Standard Methods. (When using the 18th edition, corrections to SM-4500-Cl-E and 4500-Cl-G, and procedures for conducting continuous measurements of chlorine residuals are described in Section IV of Technical Notes on Drinking Water Methods (EPA/600/R-94/173) available from National Technical Information Service, (NTIS) order number PB95-104766.)
Residual¹	Methodology	Methods
Free Chlorine²	Amperometric Titration DPD Ferrous Titrimetric DPD Colorimetric Syringaldazine (FACTS)	4500-Cl D 4500-Cl F 4500-Cl G 4500-Cl H
Total Chlorine²	Amperometric Titration Amperometric Titration (low level measurement) DPD Ferrous Titrimetric DPD Colorimetric Iodometric Electrode	4500-Cl D 4500-Cl E 4500-Cl F 4500-Cl G 4500-Cl I
Chlorine Dioxide	Amperometric Titration DPD Method Amperometric Titration	4500-ClO2 C 4500-ClO2 D 4500-ClO2 E
Ozone	Indigo Method	4500-O3 B

Approved Methods for Disinfection Byproducts and Related Monitoring Under the Stage 1 D/DBP Rule To comply with provisions of the Stage 1 Disinfectants & Disinfection Byproducts Rule, public water systems must conduct analyses of disinfection byproducts, disinfectants, DBP precursors and related parameters in accordance with one of the analytical methods in the following table. Monitoring requirements are specified in Subpart L of 40 CFR §141.131.
	EPA	Standard Methods³	ASTM	Other
Disinfection Byproduct (DBP)
Total Trihalomethanes (TTHM)	502.2¹ 524.2¹ 551.1
Haloacetic acids (five) (HAA5)	552.1 552.2	6251 B
Bromate	300.1
Chlorite (daily monitoring)²	300.0 300.1	4500-ClO₂ E
Chlorite (distribution system monitoring)²	300.0 300.1
Disinfectant
Free Chlorine		4500-Cl D 4500-Cl F 4500-Cl G 4500-Cl H
Combined Chlorine		4500-Cl D 4500-Cl F 4500-Cl G	D 1253-86
Total Chlorine		4500-Cl D 4500-Cl E 4500-Cl F 4500-Cl G 4500-Cl I
Chlorine Dioxide		4500-ClO₂ D 4500-ClO₂ E
DBP Precursor
Total Organic Carbon		5310 B 5310 C 5310 D
Alkalinity		2320 B	D1067-92B	I-1030-85
Other Parameters
Bromide	300.0 300.1
SUVA - UV₂₅₄		5910 B
SUVA - Dissolved organic Carbon		5310 B 5310 C 5310 D
pH	150.1 150.2	4500-H⁺ B	D1293-95

Recommended Methods for Secondary Drinking Water Contaminants

Contaminant	EPA	ASTM¹	SM ² 18th and 19th ed.	SM ² 20th ed.	Other³
Aluminum	200.7 200.8 200.9		3120 B 3113 B 3111 D	3120 B
Chloride	300.0	D4327-91 D512-89B	4110 B 4500-Cl- D 4500-Cl- B	4110 B 4500-Cl- D 4500-Cl- B
Color			2120 B	2120 B
Copper	200.7 200.8 200.9	D1688-95A D1688-95C	3120 B 3111 B 3113 B
Fluoride	300.0	D4327-91 D1179-93B	4110 B 4500-F- B, D 4500-F- C 4500-F- E		129-71W 380-75WE
Foaming Agents			5540 C	5540 C
Iron	200.7 200.9		3120 B 3111 B 3113 B	3120 B
Manganese	200.7 200.8 200.9		3120 B 3111 B 3113 B	3120 B
Odor			2150 B	2150 B
pH	150.1 150.2	D1293-95	4500-H+ B
Silver	200.7 200.8 200.9		3120 B 3111 B 3113 B	3120 B	I-3720-85
Sulfate	300.0 375.2	D4327-91 D516-90	4110 B 4500-SO4 F 4500-SO4 C, D 4500-SO4 E	4110 B 4500-SO4 F 4500-SO4 C, D 4500-SO4 E
TDS			2540 C	2540 C
Zinc	200.7 200.8		3120 B 3111 B	3120 B

Approved Methods for Unregulated Chemicals

List 1 - Assessment Monitoring List 1 includes twelve chemical contaminants for which analytical methods exist or have recently been established. Monitoring of List 1 contaminants will occur at large PWS and a representative sample of small PWS.
Contaminant	EPA¹	ASTM²	AOAC³	SM⁴
2,4-dinitrotoluene	525.2
2,6-dinitrotoluene	525.2
Acetochlor	525.2
DCPA mono-acid degradate	515.1, 515.2, 515.3, 515.4	D5317-93	992.32
DCPA di-acid degradate	515.1, 515.2, 515.3, 515.4	D5317-93	992.32
4,4'-DDE	508, 508.1, 525.2	D5812-96	990.06
EPTC	507, 525.2	D5475-93	991.07
Molinate	507, 525.2	D5475-93	991.07
MTBE	502.2, 524.2	D5790-95		6200C, 6210D, 6200B
Nitrobenzene	524.2	D5790-95		6210D, 6200B
Perchlorate	314.0
Terbacil	507, 525.2	D5475-93	991.07

Screening Surveys for List 2 Contaminants
Screening Survey - List 2 Chemical Contaminants This includes contaminants for which analytical methods exist or have recently been established. Monitoring of List 2 chemical contaminants will occur at small PWS selected for the Screening Survey in 2001, and large PWS selected for the Screening Survey in 2002.
Contaminant	EPA Methods
1,2-diphenylhydrazine	526
2,4,6-trichlorophenol	528
2,4-dichlorophenol	528
2,4-dinitrophenol	528
2-methyl-phenol	528
Alachlor ESA	Being refined^a
Diazinon	526
Disulfoton	526
Diuron	532
Fonofos	526
Linuron	532
Nitrobenzene	526
Prometon	526
RDX	Being refined^a
Terbufos	526
Screening Survey - List 2 Microbiological Contaminant Monitoring of the List 2 microbiological contaminant will occur at large and small PWS selected for the Screening Survey in 2003.
Contaminant	EPA Methods
Aeromonas	1605 Download 1605 in PDF format.

List 3 - Pre-Screen Testing List 3 contaminants have newly emerged as drinking water concerns and, in most cases, only have methods in an early stage of development. Monitoring for List 3 contaminants will be performed only after future rulemaking specifies methods to determine whether a listed contaminant occurs in sufficient frequency in the most vulnerable systems or sampling locations to warrant its being included in future Assessment Monitoring or Screening Surveys.
List 3 Chemical Contaminants
Contaminant	Methods
Polonium-210	Reserved
Lead-210	Reserved
List 3 Microbiological Contaminants
Contaminant	Methods
Cyanobacteria (blue-green algae, other freshwater algae and their toxins)	Reserved
Echoviruses	Reserved
Coxsackieviruses	Reserved
Helicobacter pylori	Reserved
Microsporidia	Reserved
Adenoviruses	Reserved
Caliciviruses	Reserved

EPA Methods Approved for Radionuclides

Naturally Occuring Radionuclides
Contaminant/ Method Focus	Method	Title	Order Number	Source
Gross Alpha and Beta by Evaporation (see NOTE #1 below)	EPA 900.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
	Found on Page 1	Interim Radiochemical Methodology for Drinking Water (EPA 600/4-75-008) (revised) March 1976	PB 253258	National Technical Information Service (NTIS)
	00-01	New Roman" Radiochemistry Procedures Manual (EPA 520/5-84-006) December 1987	PB 84-215581	National Technical Information Service (NTIS)
	Found on Page 1	Radiochemical Analytical Procedures for Analysis of Environmental Samples, March 1979	EMSL LV 053917	National Technical Information Service (NTIS)
Gross Alpha by Co-precipitation (see NOTE #1 below)	00-02	Radiochemistry Procedures Manual (EPA 520/5-84-006) December 1987	PB 84-215581	National Technical Information Service (NTIS)
NOTE #1: Natural uranium and thorium-230 are approved as gross alpha calibration standards for gross alpha with co-precipitation and evaporation methods; americium-241 is approved with co-precipitation methods.
Radium 226 using Radiochemical Methodology	EPA 903.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
	Found on Page 13	Interim Radiochemical Methodology for Drinking Water (EPA 600/4-75-008) (revised) March 1976	New Roman" PB 253258	National Technical Information Service (NTIS)
	Ra-03	Radiochemistry Procedures Manual (EPA 520/5-84-006) December 1987	PB 84-215581	National Technical Information Service (NTIS)
Radium 226 using Radon Emanation Technique	EPA 903.1	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
	Found on Page 16	Interim Radiochemical Methodology for Drinking Water (EPA 600/4-75-008) (revised) March 1976	New Roman" PB 253258	National Technical Information Service (NTIS)
	Ra-04	Radiochemistry Procedures Manual (EPA 520/5-84-006) December 1987	PB 84-215581	National Technical Information Service (NTIS)
	Found on Page 19	Radiochemical Analytical Procedures for Analysis of Environmental Samples, March 1979	EMSL LV 053917	National Technical Information Service (NTIS)
Radium 228 using Radiochemical Methodology	EPA 904.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
	Found on Page 24	Interim Radiochemical Methodology for Drinking Water (EPA 600/4-75-008) (revised) March 1976	New Roman" PB 253258	National Technical Information Service (NTIS)
	Ra-05	Radiochemistry Procedures Manual (EPA 520/5-84-006) December 1987	PB 84-215581	National Technical Information Service (NTIS)
	Found on Page 19	Radiochemical Analytical Procedures for Analysis of Environmental Samples, March 1979	EMSL LV 053917	National Technical Information Service (NTIS)
Uranium by Radiochemical Methodology (see NOTE #2 below)	EPA 908.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
Uranium using Fluorometric Methodology (see NOTE #2 below)	EPA 908.1	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
Uranium using Alpha Spectrometry (see NOTE #2 below)	00-07	Radiochemistry Procedures Manual (EPA 520/5-84-006) December 1987	PB 84-215581	National Technical Information Service (NTIS)
Uranium using Alpha Spectrometry (see NOTE #2 below)	Found on Page 33	Radiochemical Analytical Procedures for Analysis of Environmental Samples, March 1979	EMSL LV 053917	National Technical Information Service (NTIS)
NOTE #2: If uranium (U) is determined by mass, a 0.67 pCi/ug of uranium conversion factor must be used. This conservative factor is based on the 1:1 activity ratio of U-234 to U-238 that is characteristic of naturally occuring uranium.
Man Made Radionuclides
Radioactive Cesium by Radiochemical Methodology	EPA 901.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
Radioactive Cesium by Radiochemical Methodology	Found on Page 4	Interim Radiochemical Methodology for Drinking Water (EPA 600/4-75-008) (revised) March 1976	New Roman" PB 253258	National Technical Information Service (NTIS)
Radioactive Cesium by Gamma Ray Spectrometry	EPA 901.1	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
Radioactive Cesium by Gamma Ray Spectrometry	Found on Page 92	Radiochemical Analytical Procedures for Analysis of Environmental Samples, March 1979	EMSL LV 053917	National Technical Information Service (NTIS)
Radioactive Iodine using Radiochemical Methodology	EPA 902.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
Radioactive Iodine using Radiochemical Methodology	Found on Page 6 and 9	Interim Radiochemical Methodology for Drinking Water (EPA 600/4-75-008) (revised) March 1976	New Roman" PB 253258	National Technical Information Service (NTIS)
Radioactive Iodine by Gamma Ray Spectrometry	EPA 901.1	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
Radioactive Iodine by Gamma Ray Spectrometry	Found on Page 92	Radiochemical Analytical Procedures for Analysis of Environmental Samples, March 1979	EMSL LV 053917	National Technical Information Service (NTIS)
Radioactive Strontium 89 and 90 using Radiochemical Methodology	EPA 905.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
	Found on Page 29	Interim Radiochemical Methodology for Drinking Water (EPA 600/4-75-008) (revised) March 1976	New Roman" PB 253258	National Technical Information Service (NTIS)
	Sr-04	Radiochemistry Procedures Manual (EPA 520/5-84-006) December 1987	PB 84-215581	National Technical Information Service (NTIS)
	Found on Page 65	Radiochemical Analytical Procedures for Analysis of Environmental Samples, March 1979	EMSL LV 053917	National Technical Information Service (NTIS)
Tritium by Liquid Scintillation	EPA 906.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
	Found on Page 34	Interim Radiochemical Methodology for Drinking Water (EPA 600/4-75-008) (revised) March 1976	New Roman" PB 253258	National Technical Information Service (NTIS)
	H-02	Radiochemistry Procedures Manual (EPA 520/5-84-006) December 1987	PB 84-215581	National Technical Information Service (NTIS)
	Found on Page 87	Radiochemical Analytical Procedures for Analysis of Environmental Samples, March 1979	EMSL LV 053917	National Technical Information Service (NTIS)
Gamma Emitting Radionuclides by Gamma Ray Spectrometry	EPA 901.1	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
	EPA 902.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
	EPA 901.0	Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032) August 1980.	PB 80-224744	National Technical Information Service (NTIS)
	Found on Page 92	Radiochemical Analytical Procedures for Analysis of Environmental Samples, March 1979	EMSL LV 053917	National Technical Information Service (NTIS)

Non EPA Methods Approved for Radionuclides

Naturally Occuring Radionuclides
Contaminant / Method Focus	Method	Title	Misc. Info	Source
Gross_Alpha_and_Beta by Evaporation (see NOTE #1 below)	302	Standard Methods for the Examination of Water and Wastewater, 13th (1971) Edition	Included in 13th Ed. of Standard Methods (1971)	American Water Works Assn. (AWWA)
	7110 B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	R-1120-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
Gross Alpha by Co-precipitation (see NOTE #1 below)	7110 C	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
NOTE #1: Natural uranium and thorium-230 are approved as gross alpha calibration standards for gross alpha with co-precipitation and evaporation methods; americium-241 is approved with co-precipitation methods.
Radium 226 by Radon Emanation	7500-Ra C	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D3454-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials (ASTM)
	R-1141-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977) (1977)	U.S. Geological Survey
	Ra-05	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
	no method #	Determination of Ra-226 and Ra-228 (Ra-02), January 1980, Revised June 1982	Method written by the NY State Dept. of Health	Radiological Sciences Institute Center for Laboratories and Research
Radium 226 using Radiochemical Methodology	304 and 305	Standard Methods for the Examination of Water and Wastewater, 13th (1971) Edition	Included in 13th Ed. of Standard Methods (1971)	American Water Works Assn. (AWWA)
	7500-Ra B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D2460-90	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1140-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
Radium 228 using Radiochemical Methodology	7500-Ra D	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	R-1142-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	no method #	Determination of Ra-226 and Ra-228 (Ra-02), January 1980, Revised June 1982	Method written by the NY Dept. of Health	Radiological Sciences Institute Center for Laboratories and Research
	no method #	Determination of Ra-228 in Drinking Water (August 1980)	Method written by the State of NJ, Dept. of Env. Prot.	State of NJ, Dept of Environmental Protection
Uranium using Radiochemical Methodology (see NOTE #2 below)	7500-U B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
Uranium using Fluorometric Methodology (see NOTE #2 below)	7500-U C	Standard Methods for the Examination of Water and Wastewater, 17th (1989)Edition	Included in 17th (1989) Ed. of Standard Methods	American Water Works Assn. (AWWA)
	D2907-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1180-76 and R-1181-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	U-04	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Uranium using Alpha Spectrometry (see NOTE #2 below)	7500-U C	Standard Methods for the Examination of Water and Wastewater, 18^th and 19^th Editions	Included in 18th (1992) and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D3972-90	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1182-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	U-02	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Uranium by Laser Phosphorimetry (see NOTE #2 below)	D5174-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method #	American Society for Testing and Materials(ASTM)
NOTE #2: If uranium (U) is determined by mass, a 0.67 pCi/ug of uranium conversion factor must be used. This conservative factor is based on the 1:1 activity ratio of U-234 to U-238 that is characteristic of naturally occuring uranium.
Man Made Radionuclides
Radioactive Cesium by Radiochemical Methodology	7500-Cs B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D2459-72	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1111-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
Radioactive Cesium by Gamma Ray Spectrometry	7120	Standard Methods for the Examination of Water and Wastewater, 19^th Edition	Included in 19th (1995) Ed. of Standard Methods	American Water Works Assn. (AWWA)
	D3649-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1110-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	4.5.2.3	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Radioactive Iodine Radiochemical using Precipitation Method	7500-I B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
Radioactive Iodine Radiochemical using Ion Exchange Method	7500-I C	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
Radioactive Iodine using Radiochemical Distillation Method	7500-I D	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)

Radioactive Iodine using Gamma Ray Spectrometry	7120	Standard Methods for the Examination of Water and Wastewater, 19^th Edition	Included in 19th (1995) Ed. of Standard Methods	American Water Works Assn. (AWWA)
	D3649-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	D4785-88	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	4.5.2.3	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Radioactive Strontium 89 and 90 using Radiochemical Methodology	303	Standard Methods for the Examination of Water and Wastewater, 13th (1971) Edition	Included in 13th Ed. of Standard Methods (1971)	American Water Works Assn. (AWWA)
	7500-Sr B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	R-1160-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	Sr-01	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
	Sr-02	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Tritium by Liquid Scintillation	306	Standard Methods for the Examination of Water and Wastewater, 13th (1971) Edition	Included in 13th Ed. of Standard Methods (1971)	American Water Works Assn. (AWWA)
	7500-³H B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D4107-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1171-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
Gamma Emitting Radionuclides by Gamma Ray Spectrometry	7120	Standard Methods for the Examination of Water and Wastewater, 19^th Edition	Included in 19th (1995) Ed. of Standard Methods	American Water Works Assn. (AWWA)
	7500-Cs B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	7500-I B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D3649-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method #	American Society for Testing and Materials(ASTM)
	D4785-88	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method #	American Society for Testing and Materials(ASTM)
	R-1110-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	4.5.2.3	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)

Additional Drinking Water Methods (non EPA) for Radionuclide Parameters

Naturally Occuring Radionuclides
Contaminant / Method Focus	Method	Title	Misc. Info	Source
Gross_Alpha_and_Beta by Evaporation (see NOTE #1 below)	302	Standard Methods for the Examination of Water and Wastewater, 13th (1971) Edition	Included in 13th Ed. of Standard Methods (1971)	American Water Works Assn. (AWWA)
	7110 B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	R-1120-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
Gross Alpha by Co-precipitation (see NOTE #1 below)	7110 C	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
NOTE #1: Natural uranium and thorium-230 are approved as gross alpha calibration standards for gross alpha with co-precipitation and evaporation methods; americium-241 is approved with co-precipitation methods.
Radium 226 by Radon Emanation	7500-Ra C	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D3454-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials (ASTM)
	R-1141-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977) (1977)	U.S. Geological Survey
	Ra-05	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
	no method #	Determination of Ra-226 and Ra-228 (Ra-02), January 1980, Revised June 1982	Method written by the NY State Dept. of Health	Radiological Sciences Institute Center for Laboratories and Research
Radium 226 using Radiochemical Methodology	304 and 305	Standard Methods for the Examination of Water and Wastewater, 13th (1971) Edition	Included in 13th Ed. of Standard Methods (1971)	American Water Works Assn. (AWWA)
	7500-Ra B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D2460-90	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1140-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
Radium 228 using Radiochemical Methodology	7500-Ra D	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	R-1142-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	no method #	Determination of Ra-226 and Ra-228 (Ra-02), January 1980, Revised June 1982	Method written by the NY Dept. of Health	Radiological Sciences Institute Center for Laboratories and Research
	no method #	Determination of Ra-228 in Drinking Water (August 1980)	Method written by the State of NJ, Dept. of Env. Prot.	State of NJ, Dept of Environmental Protection
Uranium using Radiochemical Methodology (see NOTE #2 below)	7500-U B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
Uranium using Fluorometric Methodology (see NOTE #2 below)	7500-U C	Standard Methods for the Examination of Water and Wastewater, 17th (1989)Edition	Included in 17th (1989) Ed. of Standard Methods	American Water Works Assn. (AWWA)
	D2907-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1180-76 and R-1181-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	U-04	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Uranium using Alpha Spectrometry (see NOTE #2 below)	7500-U C	Standard Methods for the Examination of Water and Wastewater, 18^th and 19^th Editions	Included in 18th (1992) and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D3972-90	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1182-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	U-02	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Uranium by Laser Phosphorimetry (see NOTE #2 below)	D5174-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method #	American Society for Testing and Materials(ASTM)
NOTE #2: If uranium (U) is determined by mass, a 0.67 pCi/ug of uranium conversion factor must be used. This conservative factor is based on the 1:1 activity ratio of U-234 to U-238 that is characteristic of naturally occuring uranium.
Man Made Radionuclides
Radioactive Cesium by Radiochemical Methodology	7500-Cs B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D2459-72	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1111-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
Radioactive Cesium by Gamma Ray Spectrometry	7120	Standard Methods for the Examination of Water and Wastewater, 19^th Edition	Included in 19th (1995) Ed. of Standard Methods	American Water Works Assn. (AWWA)
	D3649-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1110-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	4.5.2.3	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Radioactive Iodine Radiochemical using Precipitation Method	7500-I B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
Radioactive Iodine Radiochemical using Ion Exchange Method	7500-I C	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
Radioactive Iodine using Radiochemical Distillation Method	7500-I D	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)

Radioactive Iodine using Gamma Ray Spectrometry	7120	Standard Methods for the Examination of Water and Wastewater, 19^th Edition	Included in 19th (1995) Ed. of Standard Methods	American Water Works Assn. (AWWA)
	D3649-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	D4785-88	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	4.5.2.3	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Radioactive Strontium 89 and 90 using Radiochemical Methodology	303	Standard Methods for the Examination of Water and Wastewater, 13th (1971) Edition	Included in 13th Ed. of Standard Methods (1971)	American Water Works Assn. (AWWA)
	7500-Sr B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	R-1160-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	Sr-01	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
	Sr-02	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)
Tritium by Liquid Scintillation	306	Standard Methods for the Examination of Water and Wastewater, 13th (1971) Edition	Included in 13th Ed. of Standard Methods (1971)	American Water Works Assn. (AWWA)
	7500-³H B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D4107-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method # when ordering	American Society for Testing and Materials(ASTM)
	R-1171-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
Gamma Emitting Radionuclides by Gamma Ray Spectrometry	7120	Standard Methods for the Examination of Water and Wastewater, 19^th Edition	Included in 19th (1995) Ed. of Standard Methods	American Water Works Assn. (AWWA)
	7500-Cs B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	7500-I B	Standard Methods for the Examination of Water and Wastewater, 17th (1989), 18th (1992) and 19th (1995) Editions	Included in 17th (1989), 18th (1992), and 19th (1995) Eds. of Standard Methods	American Water Works Assn. (AWWA)
	D3649-91	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method #	American Society for Testing and Materials(ASTM)
	D4785-88	Annual Book of ASTM Standards, Vol 11.02 (1994)	use method #	American Society for Testing and Materials(ASTM)
	R-1110-76	Methods for the Determination of Radioactive Substances in Water and Fluvial Sediments	Found in Chapter A5 of Book 5, Techniques of Water- Resources Investigations of the USGS (1977)	U.S. Geological Survey
	4.5.2.3	EML Procedures Manual, 27th Edition, Vol. 1, 1990	Available through the Environmental Measurements Laboratory of DOE	Department of Energy (DOE)