oEPA grs,pro,ec,on 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, Ltd. Palintest ChlordioX Plus Method - Chlorine Dioxide and Chlorite in Drinking Water by Amperometry using Disposable Sensors November 2013 ChlordioX Plus 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 4500-CI02 E Standard Methods Standard Methods for the Examination of Water and Wastewater, 20th Edition 1998 Standard Methods Office of Water (MS - 4606 M) EPA 815-B-19-001 April 2019 ------- Page 2 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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- 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 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 ------- Page 3 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 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 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 ------- Page 4 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 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 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 April 2013 Hach 10260. Rev. 1.0 ------- Page 5 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method Reagent-Filled Cuvettes and Mesofluidic Channel Colorimetry Hach 10241, Rev. 1.2 Hach Company Spectrophotometric Measurement of Free Chlorine (CI2) in Finished Drinking Water November 2015 Hach 10241, Rev. 1.2 ChloroSense Palintest Ltd. Measurement of Free and Total Chlorine in Drinking Water by Palintest ChloroSense August 2009 ChloroSense 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 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 6 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 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 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 2000 Standard Methods ------- Page 7 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method regulations or in Appendix A to Subpart C of Part 141 are approved. 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 Subpart C of Part 141 are approved. 2000 Standard Methods 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 Palintest Ltd. ChloroSense Measurement of Free and Total Chlorine in Drinking Water by Palintest ChloroSense August 2009 ChloroSense ------- Page 8 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 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 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 ------- Page 9 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 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 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 D- 00 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the 2000 Standard Methods ------- Page 10 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 ------- Page 11 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 300.1, 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 September 2009 EPA 815-B-09-012 EPA 815-B-09-012 ------- Page 12 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method Electrospray Ionization Tandem Mass Spectrometry (IC-ESI- MS/MS) 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 EPA/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 June 2002 EPA 815-R-03-007 EPA 815-R-03-007 ------- Page 13 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method Chromatography Incorporating the Addition of a Suppressor Acidified Postcolumn Reagent for Trace Bromate Analysis 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, Ltd. Palintest ChlordioX Plus Method - Chlorine Dioxide and Chlorite in Drinking Water by Amperometry using Disposable Sensors November 2013 ChlordioX Plus 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- 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 14 of 28 Chlorite [Distribution Sys em 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 EPA/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 15 of 28 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 EPA/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 EPA/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-94 Standard Methods Online Online version. Approval year is designated by the last 2 digits. Only online versions cited in the 1994 Standard Methods ------- Page 16 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method regulations or in Appendix A to Subpart C of Part 141 are approved. 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 Trihalomethanes (TTHM") Method Organization Reference Title Date EPA Publication Number Source of Method 502.2, Rev. 2.1 In Methods for the Determination EPA of Organic Compounds in Drinking August 1995 EPA/600/R-95-131 National Environmental Methods Index l/l/ater-Supplement III 524.2, Rev. 4.1 In Methods for the Determination EPA of Organic Compounds in Drinking August 1995 EPA/600/R-95-131 National Environmental Methods Index l/l/ater-Supplement III Measurement of Purgeable Organic Compounds in Water by 524.3 EPA Capillary Column Gas Chromatography/Mass Spectrometry June 2009 EPA 815-B-09-009 EPA 815-B-09-009 Measurement of Purgeable Organic Compounds in Water by 524.4 EPA Capillary Column Gas Chromatography/Mass Spectrometry using Nitrogen Purge Gas May 2013 EPA 815-R-13-002 EPA 815-R-13-002 551.1, Rev. 1.0 In Methods for the Determination EPA of Organic Compounds in Drinking August 1995 EPA/600/R-95-131 National Environmental Methods Index l/l/ater-Supplement III ------- Page 17 of 28 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 D1067-11B 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 2320 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 22nd Edition 2012 Standard Methods ------- Page 18 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 2320 B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 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. 2.1 EPA In Methods for the Determination of Inorganic Substances in Environmental Samples August 1993 EPA/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 ------- Page 19 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 blank. Filtered 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 EPA/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 20 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 5310 B 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, 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 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. Only online versions cited in the 2000 Standard Methods ------- Page 21 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 Magnesium 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 D511-14 B ASTM International Standard Test Methods for Calcium and Magnesium in Water: Complexometric Titration 2014 ASTM International ------- Page 22 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 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 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 ------- Page 23 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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 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 3500-Mg B Standard Methods Standard Methods for the Examination of Water and Wastewater, 23rd Edition 2017 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 1999 Standard Methods ------- Page 24 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method regulations or in Appendix A to Subpart C of Part 141 are approved. 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 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 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 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 ------- Page 25 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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- 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 Absorbance at 254 nm in Source Water and Drinking Water September 2009 EPA/600/R-09/122 E PA/600/R-09/122 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 September 2009 EPA/600/R-09/122 EPA/600/R-09/122 ------- Page 26 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method Absorbance at 254 nm in Source Water and Drinking Water 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 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 ------- Page 27 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method 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. 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 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 February 2005 EPA/600/R-05/055 EPA/600/R-05/055 ------- Page 28 of 28 Method Organization Reference Title Date EPA Publication Number Source of Method Absorbance at 254 nm in Source Water and Drinking Water 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 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 ------- |