&EPA £™>action Analytical Methods Approved for Drinking Water Compliance Monitoring under the Disinfection Byproduct Rules Analysis for the following disinfectants, contaminants and other parameters shall be conducted in accordance with the methods in the following table, or their equivalent as determined by EPA. The methods are specified in 40 CFR 141.131 and in Appendix A to Subpart C of Part 141. The monitoring requirements are specified in 40 CFR 141.132, 141.135, 141.600-141.603, and 141.620-141.268. The CFR is the legal reference for approved methods and takes precedence over this table. The table should accurately reflect the analytical methods information published in 40 CFR 141. Disinfectants: If approved by the State, residual disinfectant concentrations for chlorine, chloramines, and chlorine dioxide may be measured using DPD colorimetric test kits. Chlorine Dioxide Method Organization Reference Title Date EPA Publication Number Source of Method 327, Rev. 1.1 EPA Determination of Chlorine Dioxide and Chlorite Ion in Drinking Water using Lissamine Green B and Horseradish Peroxidase with Detection by Visible Spectrometry May 2005 EPA-815-R-05-008 EPA-815-R-05-008 ChlordioX Plus Palintest Palintest ChlordioX Plus Method - Chlorine Dioxide and Chlorite in Drinking Water by Amperometry using Disposable Sensors November 2013 ChlordioX Plus ChlordioX Plus, Rev. 1.1 Palintest Chlorine Dioxide and Chlorite in Drinking Water by Amperometry using Disposable Sensors February 2020 ChlordioX Plus, Rev. 1.1 4500-CI02 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI02 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods Office of Water (MS - 4606 M) EPA 815-B-24-001 January 2024 ------- Page 2 of 30 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI02 E- 00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods Combined Chlorine Method Organization Reference Title Date EPA Publication Number Source of Method D1253-86 ASTM International Standard Test Method for Residual Chlorine in Water 1986 ASTM International D1253-03 ASTM International Standard Test Method for Residual Chlorine in Water 2003 ASTM International D1253-08 ASTM International Standard Test Method for Residual Chlorine in Water 2008 ASTM International D1253-14 ASTM International Standard Test Method for Residual Chlorine in Water 2014 ASTM International Hach 10260, Rev. 1.0 Hach Company Determination of Chlorinated Oxidants (Free and Total) in Water using Disposable Planar Reagent-Filled Cuvettes and Mesofluidic Channel Colorimetry April 2013 Hach 10260, Rev. 1.0 ------- Page 3 of 30 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods ------- Page 4 of 30 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI D- Standard Online version. Approval year is 2000 Standard Methods 00 Methods Online designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 4500-CI F-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 4500-CI G- Standard Online version. Approval year is 2000 Standard Methods 00 Methods Online designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. Free Chlorine Method Organization Reference Title Date EPA Publication Number Source of Method D99-003 Industrial Test Systems, Inc. Free Chlorine Species (HOCI~ and OCI ) by Test Strip November 2003 Method D99-003 ------- Page 5 of 30 D1253-86 ASTM International Standard Test Method for Residual Chlorine in Water 1986 ASTM International D1253-03 ASTM International Standard Test Method for Residual Chlorine in Water 2003 ASTM International D1253-08 ASTM International Standard Test Method for Residual Chlorine in Water 2008 ASTM International D1253-14 ASTM International Standard Test Method for Residual Chlorine in Water 2014 ASTM International 334.0 EPA Determination of Residual Chlorine in Drinking Water using an On-line Chlorine Analyzer September 2009 EPA 815-B-09-013 EPA 815-B-09-013 Hach 10260, Rev. 1.0 Hach Company Determination of Chlorinated Oxidants (Free and Total) in Water using Disposable Planar Reagent-Filled Cuvettes and Mesofluidic Channel Colorimetry April 2013 Hach 10260, Rev. 1.0 Hach 10241, Rev. 1.2 Hach Company Spectrophotometric Measurement of Free Chlorine (Ch) in Finished Drinking Water November 2015 Hach 10241, Rev. 1.2 ChloroSense Palintest Measurement of Free and Total Chlorine in Drinking Water by Palintest ChloroSense August 2009 ChloroSense ChloroSense, Rev. 1.1 Palintest Free and Total Chlorine in Drinking Water by Amperometry using Disposable Sensors February 2020 ChloroSense, Rev. 1.1 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods ------- Page 6 of 30 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods ------- Page 7 of 30 4500-CI H Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI H Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI H Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI H Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI H Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI H Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI D-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 4500-CI F-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 4500-CI G-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 4500-CI H-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to 2000 Standard Methods ------- Page 8 of 30 Subpart C of Part 141 are approved. Total Chlorine Method Organization Reference Title Date EPA Publication Number Source of Method D1253-86 ASTM International Standard Test Method for Residual Chlorine in Water 1986 ASTM International D1253-03 ASTM International Standard Test Method for Residual Chlorine in Water 2003 ASTM International D1253-08 ASTM International Standard Test Method for Residual Chlorine in Water 2008 ASTM International D1253-14 ASTM International Standard Test Method for Residual Chlorine in Water 2014 ASTM International 334.0 EPA Determination of Residual Chlorine in Drinking Water using an On-line Chlorine Analyzer September 2009 EPA 815-B-09-013 EPA 815-B-09-013 Hach 10260, Rev. 1.0 Hach Company Determination of Chlorinated Oxidants (Free and Total) in Water using Disposable Planar Reagent-Filled Cuvettes and Mesofluidic Channel Colorimetry April 2013 Hach 10260, Rev. 1.0 ChloroSense Palintest Measurement of Free and Total Chlorine in Drinking Water by Palintest ChloroSense August 2009 ChloroSense ChloroSense, Rev. 1.1 Palintest Free and Total Chlorine in Drinking Water by Amperometry using Disposable Sensors February 2020 ChloroSense, Rev. 1.1 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods ------- Page 9 of 30 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI D Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI E Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI E Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI E Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI E Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI E Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI E Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods ------- Page 10 of 30 4500-CI F Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI G Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI 1 Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI 1 Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI 1 Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI 1 Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI 1 Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI 1 Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI D-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. 2000 Standard Methods ------- Page 11 of 30 Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 4500-CI E-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 4500-CI F-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 4500-CI G-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 4500-CI 1-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods Disinfection Byproducts: Bromate Method Organization Reference Title Date EPA Publication Number Source of Method D6581-00 ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography 2000 ASTM International D6581-08 A ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and 2008 ASTM International ------- Page 12 of 30 Chlorite in Drinking Water by (Chemically) Suppressed Ion Chromatography D6581-08 B ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and Chlorite in Drinking Water by (Electrolytically) Suppressed Ion Chromatography 2008 ASTM International 300.1, Rev. 1.0 EPA In Methods for the Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1 August 2000 EPA 815-R-00-014 National Environmental Methods Index 321.8 EPA In Methods for the Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1 August 2000 EPA 815-R-00-014 National Environmental Methods Index 317, Rev. 2.0 EPA Determination of Inorganic Oxyhalide Disinfection Byproducts in Drinking Water using Ion Chromatography with the Addition of a Postcolumn Reagent for Trace Bromate Analysis July 2001 EPA 815-B-01-001 EPA 815-B-01-001 326.0, Rev. 1.0 EPA Determination of Inorganic Oxyhalide Disinfection Byproducts in Drinking Water using Ion Chromatography Incorporating the Addition of a Suppressor Acidified Postcolumn Reagent for Trace Bromate Analysis June 2002 EPA 815-R-03-007 EPA 815-R-03-007 302.0 EPA Determination of Bromate in Drinking Water using Two- Dimensional Ion Chromatography with Suppressed Conductivity Detection September 2009 EPA 815-B-09-014 EPA 815-B-09-014 557 EPA Determination of Haloacetic Acids, Bromate, and Dalapon in Drinking Water by Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI- MS/MS) September 2009 EPA 815-B-09-012 EPA 815-B-09-012 ------- Page 13 of 30 Chlorite [Daily Monitoring") Method Organization Reference Title Date EPA Publication Number Source of Method D6581-00 ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography 2000 ASTM International D6581-08 A ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and Chlorite in Drinking Water by (Chemically) Suppressed Ion Chromatography 2008 ASTM International D6581-08 B ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and Chlorite in Drinking Water by (Electrolytically) Suppressed Ion Chromatography 2008 ASTM International 300.0, Rev. 2.1 EPA In Methods for the Determination of Inorganic Substances in Environmental Samples August 1993 E PA/600/R-93-100 National Environmental Methods Index 300.1, Rev. 1.0 EPA In Methods for the Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1 August 2000 EPA 815-R-00-014 National Environmental Methods Index 317, Rev. 2.0 EPA Determination of Inorganic Oxyhalide Disinfection Byproducts in Drinking Water using Ion Chromatography with the Addition of a Postcolumn Reagent for Trace Bromate Analysis July 2001 EPA 815-B-01-001 EPA 815-B-01-001 326.0, Rev. 1.0 EPA Determination of Inorganic Oxyhalide Disinfection Byproducts in Drinking Water using Ion Chromatography Incorporating the Addition of a Suppressor Acidified Postcolumn Reagent for Trace Bromate Analysis June 2002 EPA 815-R-03-007 EPA 815-R-03-007 ------- Page 14 of 30 327, Rev. 1.1 EPA Determination of Chlorine Dioxide and Chlorite Ion in Drinking Water using Lissamine Green B and Horseradish Peroxidase with Detection by Visible Spectrometry May 2005 EPA-815-R-05-008 EPA-815-R-05-008 ChlordioX Plus Palintest Palintest ChlordioX Plus Method - Chlorine Dioxide and Chlorite in Drinking Water by Amperometry using Disposable Sensors November 2013 ChlordioX Plus ChlordioX Plus, Rev. 1.1 Palintest Chlorine Dioxide and Chlorite in Drinking Water by Amperometry using Disposable Sensors February 2020 ChlordioX Plus, Rev. 1.1 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-CI02 E- 00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods ------- Page 15 of 30 Chlorite (Distribution System Monitoring) Method Organization Reference Title Date EPA Publication Number Source of Method D6581-00 ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography 2000 ASTM International D6581-08 A ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and Chlorite in Drinking Water by (Chemically) Suppressed Ion Chromatography 2008 ASTM International D6581-08 B ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and Chlorite in Drinking Water by (Electrolytically) Suppressed Ion Chromatography 2008 ASTM International 300.0, Rev. 2.1 EPA In Methods for the Determination of Inorganic Substances in Environmental Samples August 1993 E PA/600/R-93-100 National Environmental Methods Index 300.1, Rev. 1.0 EPA In Methods for the Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1 August 2000 EPA 815-R-00-014 National Environmental Methods Index 317, Rev. 2.0 EPA Determination of Inorganic Oxyhalide Disinfection Byproducts in Drinking Water using Ion Chromatography with the Addition of a Postcolumn Reagent for Trace Bromate Analysis July 2001 EPA 815-B-01-001 EPA 815-B-01-001 326.0, Rev. 1.0 EPA Determination of Inorganic Oxyhalide Disinfection Byproducts in Drinking Water using Ion Chromatography Incorporating the Addition of a Suppressor Acidified Postcolumn Reagent for Trace Bromate Analysis June 2002 EPA 815-R-03-007 EPA 815-R-03-007 ------- Page 16 of 30 Haloacetic Acids [HAA5") Method Organization Reference Title Date EPA Publication Number Source of Method 552.1, Rev. 1.0 EPA In Methods for the Determination of Organic Compounds in Drinking 1/l/ater-Supplement II August 1992 E PA/600/R-92-129 National Environmental Methods Index 552.2, Rev. 1.0 EPA In Methods for the Determination of Organic Compounds in Drinking l/l/ater-Supplement III August 1995 E PA/600/R-95-131 National Environmental Methods Index 552.3, Rev. 1.0 EPA Determination of Haloacetic Acids and Dalapon in Drinking Water by Liquid-Liquid Microextraction, Derivatization, and Gas Chromatography with Electron Capture Detection July 2003 EPA 815-B-03-002 EPA 815-B-03-002 557 EPA Determination of Haloacetic Acids, Bromate, and Dalapon in Drinking Water by Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI- MS/MS) September 2009 EPA 815-B-09-012 EPA 815-B-09-012 6251 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 6251 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 6251 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 6251 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 6251 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 6251 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods ------- Page 17 of 30 6251 B-94 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 1994 Standard Methods 6251 B-07 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2007 Standard Methods Thermo Fisher 557.1, v. 1.0 Thermo Fisher Determination of Haloacetic Acids in Drinking Water using Two- Dimensional Ion Chromatography with Suppressed Conductivity Detection January 2017 Thermo Fisher 557.1, v. 1.0 Total Triha omethanes (TTHM) Method Organization Reference Title Date EPA Publication Number Source of Method 502.2, Rev. 2.1 EPA In Methods for the Determination of Organic Compounds in Drinking l/l/ater-Supplement III August 1995 E PA/600/R-95-131 National Environmental Methods Index 524.2, Rev. 4.1 EPA In Methods for the Determination of Organic Compounds in Drinking l/l/ater-Supplement III August 1995 E PA/600/R-95-131 National Environmental Methods Index 524.3 EPA Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry June 2009 EPA 815-B-09-009 EPA 815-B-09-009 524.4 EPA Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry using Nitrogen Purge Gas May 2013 EPA 815-R-13-002 EPA 815-R-13-002 ------- Page 18 of 30 551.1, Rev. 1.0 EPA In Methods for the Determination of Organic Compounds in Drinking 1/l/ater-Supplement III August 1995 E PA/600/R-95-131 National Environmental Methods Index Water Quality Parameters Alkalinity Method Organization Reference Title Date EPA Publication Number Source of Method D1067-92 B ASTM International Standard Test Methods for Acidity or Alkalinity of Water: Electrometric or Color-Change Titration 1992 ASTM International D1067-02 B ASTM International Standard Test Methods for Acidity or Alkalinity of Water: Electrometric or Color-Change Titration 2002 ASTM International D1067-06 B ASTM International Standard Test Methods for Acidity or Alkalinity of Water: Electrometric or Color-Change Titration 2006 ASTM International D1067-11 B ASTM International Standard Test Methods for Acidity or Alkalinity of Water: Electrometric or Color-Change Titration 2011 ASTM International D1067-16B ASTM International Standard Test Methods for Acidity or Alkalinity of Water: Electrometric or Color-Change Titration 2016 ASTM International 2320 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 18th Edition 1992 Standard Methods 2320 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 2320 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 2320 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods ------- Page 19 of 30 2320 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 2320 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 2320 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 2320 B-97 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 1997 Standard Methods 1-1030-85 US Geological Survey In Methods for Determination of Inorganic Substances in Water and Fluvial Sediments, USGS Series: Techniques of Water-Resource Investigation Report; edited by Fishman, M.J. and Friedman, LC. 1989 USGS Bromide Method Organization Reference Title Date EPA Publication Number Source of Method D6581-00 ASTM International Standard Test Methods for Bromate, Bromide, Chlorate and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography 2000 ASTM International 300.0, Rev. EPA In Methods for the Determination August 1993 E PA/600/R-93-100 National Environmental Methods Index 2.1 of Inorganic Substances in Environmental Samples 300.1, Rev. EPA In Methods for the Determination August 2000 EPA 815-R-00-014 National Environmental Methods Index 1.0 of Organic and Inorganic Compounds in Drinking Water, Volume 1 317, Rev. EPA Determination of Inorganic July 2001 EPA 815-B-01-001 EPA 815-B-01-001 2.0 Oxyhalide Disinfection Byproducts in Drinking Water using Ion ------- Page 20 of 30 Chromatography with the Addition of a Postcolumn Reagent for Trace Bromate Analysis 326.0, Rev. 1.0 EPA Determination of Inorganic Oxyhalide Disinfection Byproducts in Drinking Water using Ion Chromatography Incorporating the Addition of a Suppressor Acidified Postcolumn Reagent for Trace Bromate Analysis June 2002 EPA 815-R-03-007 EPA 815-R-03-007 Dissolved Organic Carbon (DOC) for SUVA DOC samples must be filtered through a 0.45 pirn filter as soon as practical after sampling (not to exceed 48 hours). After filtration, DOC samples must be acidified to pH < 2. Analyze acidified DOC samples within 28 days of sample collection. Water passed through the filtration prior to filtration serves as the filtered Dlank. Filterec blank DOC must be < 0.5 mg/L. Inorganic carbon must be removed from samples prior to analysis. Method Organization Reference Title Date EPA Publication Number Source of Method 415.3, Rev. 1.1 EPA Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water February 2005 EPA/600/R-05/055 EPA/600/R-05/055 415.3, Rev. 1.2 EPA Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water September 2009 EPA/600/R-09/122 E PA/600/R-09/122 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods ------- Page 21 of 30 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 5310 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 5310 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 5310 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 5310 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 5310 B-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to 2000 Standard Methods ------- Page 22 of 30 Subpart C of Part 141 are approved. 5310 C-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 5310 D-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods Vlagnesium Method Organization Reference Title Date EPA Publication Number Source of Method D511-93 A ASTM International Standard Test Methods for Calcium and Magnesium in Water: Complexometric Titration 1993 ASTM International D511-03 A ASTM International Standard Test Methods for Calcium and Magnesium in Water: Complexometric Titration 2003 ASTM International D511-09 A ASTM International Standard Test Methods for Calcium and Magnesium in Water: Complexometric Titration 2009 ASTM International D511-14 A ASTM International Standard Test Methods for Calcium and Magnesium in Water: Complexometric Titration 2014 ASTM International D511-93 B ASTM International Standard Test Methods for Calcium and Magnesium in Water: Atomic Absorption Spectrometry 1993 ASTM International D511-03 B ASTM International Standard Test Methods for Calcium and Magnesium in Water: Atomic Absorption Spectrometry 2003 ASTM International D511-09 B ASTM International Standard Test Methods for Calcium and Magnesium in Water: Atomic Absorption Spectrometry 2009 ASTM International ------- Page 23 of 30 D511-14 B ASTM International Standard Test Methods for Calcium and Magnesium in Water: Complexometric Titration 2014 ASTM International D6919-03 ASTM International Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water by Ion Chromatography 2003 ASTM International D6919-09 ASTM International Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water by Ion Chromatography 2009 ASTM International D6919-17 ASTM International Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water by Ion Chromatography 2017 ASTM International 200.5, Rev. 4.2 EPA Determination of Trace Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma-Atomic Emission Spectrometry October 2003 E PA/600- R-06/115 E PA/600- R-06/115 200.7, Rev. 4.4 EPA In Methods for the Determination of Metals in Environmental Samples, Supplement 1 May 1994 EPA/600/R-94/111 National Environmental Methods Index 3111 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 18th Edition 1992 Standard Methods 3111 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 3111 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 3111 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 3111 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods ------- Page 24 of 30 3111 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 3120 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 18th Edition 1992 Standard Methods 3120 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 3120 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 3120 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 3120 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 3120 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 3120 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 3500-Mg E Standard Methods Standard Methods for the Examination of Water and Wastewater, 18th Edition 1992 Standard Methods 3500-Mg E Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 3500-Mg B Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 3500-Mg B Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 3500-Mg B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods ------- Page 25 of 30 3500-Mg B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 3500-Mg B Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 3111 B-99 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 1999 Standard Methods 3120 B-99 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 1999 Standard Methods 3500-Mg B- 97 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 1997 Standard Methods pH Method Organization Reference Title Date EPA Publication Number Source of Method D1293-95 ASTM International Standard Test Methods for pH of Water 1995 ASTM International D1293-99 ASTM International Standard Test Methods for pH of Water 1999 ASTM International D1293-12 ASTM International Standard Test Methods for pH of Water 2012 ASTM International D1293-18 ASTM International Standard Test Methods for pH of Water 2018 ASTM International 150.1 EPA In Methods for Chemical Analysis of Water and Wastes March 1983 EPA/600/4-79/020 National Environmental Methods Index 150.2 EPA In Methods for Chemical Analysis of Water and Wastes March 1983 EPA/600/4-79/020 National Environmental Methods Index ------- Page 26 of 30 150.3 EPA Determination ofpHin Drinking Water February 2017 EPA-815-B-17-001 EPA-815-B-17-001 4500-H+ B Standard Methods Standard Methods for the Examination of Water and Wastewater, 18th Edition 1992 Standard Methods 4500-H+ B Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 4500-H+ B Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 4500-H+ B Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 4500-H+ B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 4500-H+ B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 4500-H+ B Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 4500-H+ B- 00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods SUVA Method Organization Reference Title Date EPA Publication Number Source of Method 415.3, Rev. 1.1 EPA Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water February 2005 EPA/600/R-05/055 EPA/600/R-05/055 415.3, Rev. 1.2 EPA Determination of Total Organic Carbon and Specific UV September 2009 EPA/600/R-09/122 E PA/600/R-09/122 ------- Page 27 of 30 Absorbance at 254 nm in Source Water and Drinking Water Total Organic Carbon Inorganic carbon must be removed from samples prior to analysis. TOC samples are not filtered prior to analysis. Acidify TOC samples to pH < 2 at the time of sample collection. Analyze acidified TOC samples within 28 days. Method Organization Reference Title Date EPA Publication Number Source of Method 415.3, Rev. 1.1 EPA Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water February 2005 EPA/600/R-05/055 EPA/600/R-05/055 415.3, Rev. 1.2 EPA Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water September 2009 EPA/600/R-09/122 E PA/600/R-09/122 Hach 10261, Rev. 1.2 Hach Company Total Organic Carbon in Finished Drinking Water by Catalyzed Ozone Hydroxyl Radical Oxidation Infrared Analysis December 2015 Hach 10261, Rev. 1.2 Hach 10267, Rev. 1.2 Hach Company Spectrophotometric Measurement of Total Organic Carbon (TOC) in Finished Drinking Water December 2015 Hach 10267. Rev. 1.2 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods ------- Page 28 of 30 5310 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods 5310 C Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 5310 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 5310 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 5310 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 5310 D Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 5310 B-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 5310 C-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. 2000 Standard Methods ------- Page 29 of 30 Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 5310 D-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods UV254 for SUVA UV absorption must be measured at 253.7 nm (rounded to 254 nm). Prior to UV254 analysis, filter samples through 0.45 pim filter. Do not adjust pH of UV254 samples. Analyze samples as soon as practical after sampling, not to exceed 48 hours. Method Organization Reference Title Date EPA Publication Number Source of Method 415.3, Rev. 1.1 EPA Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water February 2005 EPA/600/R-05/055 EPA/600/R-05/055 415.3, Rev. 1.2 EPA Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water September 2009 EPA/600/R-09/122 E PA/600/R-09/122 5910 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition 1995 Standard Methods 5910 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods 5910 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 21st Edition 2005 Standard Methods 5910 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods 5910 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 Standard Methods ------- Page 30 of 30 5910 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 24th Edition 2023 Standard Methods 5910 B-00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2000 Standard Methods 5910 B-ll Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the regulations or in Appendix A to Subpart C of Part 141 are approved. 2011 Standard Methods ------- |