sr Analytical Methods Approved for Compliance Monitoring ^ under the Ground Water Rule £j Analysis for the following contaminants shall be conducted in accordance with the methods in the following table or their equivalent as determined by EPA. The methods and monitoring requirements for these contaminants are specified in 40 CFR 141.402 and 141.403. Additional methods are listed in Appendix j? A to Subpart C of Part 141. The CFR is the legal reference for approved methods and takes precedent over this table. The table should accurately reflect the analytical methods information published in 40 CFR 141. If you find discrepancies, please notify The Safe Drinking Water Hotline (800-426-4791) so that EPA can correct the table. Contaminant Method Organization Reference Title Date EPA Publication Number Source of Method Microbial Contaminants The time from sample collection to initiation of analysis may not exceed 30 hours. The ground water system is encouraged but is not required to hold samples Escherichia coli 1604 below 10°C during transit. A standard sample volume of at least 100 mL must be collected for fecal indicator analysis regardless of the fecal indicator or analytical method used. EPA Total Coliforms and Escherichia coli September EPA 821-R-02-024 http://www.epa.gov/nerlcwww/online.htm (E. coli) in Water by Membrane 2002 Filtration by Using a Simultaneous Detection Technique (MI Medium) This method incorporates MI agar into Standard Method 9222 as described for the analysis of Total Coliforms in the Total Coliform Rule 9221 F Standard Methods 9222 G Standard Methods 9223 Standard Methods 9223 Standard Methods Standard Methods for the Examination 1 998 of Water and Wastewater, 20th Edition EC-MUG (Method 9221 F) or NA-MUG (Method 9222 G) can be used for E. of Standard Methods 9221 B, 9221 D, 9222 B, or 9222 C. Standard Methods for the Examination 1 998 of Water and Wastewater, 20th Edition EC-MUG (Method 9221 F) or NA-MUG (Method 9222 G) can be used for E. of Standard Methods 9221 B, 9221 D, 9222 B, or 9222 C. Standard Methods for the Examination 1 998 of Water and Wastewater, 20th Edition Colilert®, Colisure®, and Colilert-18® media are approved for use. Standard Methods for the Examination 2005 of Water and Wastewater, 2 1 st Edition Colilert®, Colisure®, and Colilert-18® media are approved for use. Standard Methods coli testing step as described in 141 Standard Methods coli testing step as described in 141 Standard Methods Standard Methods .21(f)(6)(i) or (iii) after use .21(f)(6)(i) or (iii) after use Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page loflO ------- Contaminant Method Organization Reference Title Date EPA Publication Number Source of Method Microbial Contaminants Escherichia coli The time from sample collection to initiation of analysis may not exceed 30 hours. The ground water system is encouraged but is not required to hold samples below 10°C during transit. A standard sample volume of at least 100 mL must be collected for fecal indicator analysis regardless of the fecal indicator or analytical method used. 9223 B-97 Standard Online version of Standard Methods for http://www.standardmethods.ore,/ Methods the Examination of Water and Online Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Colilert®, Colisure®, and Colilert-18® media are approved for use. E*Colite® Test Charm Charm E*Colite Test, "Charm E*Colite Sciences, Inc. Presence/Absence Test for Detection and Identification of Coliform Bacteria and Escherichia coli in Drinking Water" January 9, 1998 Charm Sciences, Inc m-ColiBlue24® Hach Co. m-ColiBlue 24 Test, "Total Coliforms Test and E. coli Membrane Filtration Method with m-ColiBlue 24 Broth," Method No. 10029, Revision 2. August 17, 1999 Hach Company Enterococci 1600 9230 B The time from sample collection to initiation of analysis may not exceed 30 hours. The ground water system is encouraged but is not required to hold samples below 10°C during transit. A standard sample volume of at least 100 mL must be collected for fecal indicator analysis regardless of the fecal indicator or analytical method used. EPA Enterococci in Water by Membrane September EPA 821-R-02-022 http://www.epa.gov/nerlcwww/online.htm Enterococci in Water by Membrane Filtration Using membrane- EnterococcusIndoxyl-B-D-Glucoside Agar (mEI) September 2002 EPA Method 1600 is an approved variation of Standard Method 9230 C. The holding time and temperature for ground water samples are specified in the rule (see above note), rather than as specified in Section 8 of EPA Method 1600. Standard Standard Methods for the Examination 1998 Methods of Water and Wastewater, 20th Edition Standard Methods 9230 C Standard Standard Methods for the Examination 1998 Methods of Water and Wastewater, 20th Edition Standard Methods Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page 2 of 10 ------- Contaminant Method Organization Reference Title Date EPA Publication Number Source of Method Microbial Contaminants Enterococci The time from sample collection to initiation of analysis may not exceed 30 hours. The ground water system is encouraged but is not required to hold samples below 10°C during transit. A standard sample volume of at least 100 mL must be collected for fecal indicator analysis regardless of the fecal indicator or analytical method used. 1996 IDEXX Laboratories, Inc. Enterolert IDEXX Budnick, G.E., et.al, Evaluation of Laboratories, Enterolert for Enumeration of Inc. Enterococci in Recreational Waters, Applied and Environmental Microbiology, 62:3881-3884 Coliphage 1602 The time from sample collection to initiation of analysis may not exceed 30 hours. The ground water system is encouraged but is not required to hold samples below 10°C during transit. A standard sample volume of at least 100 mL must be collected for fecal indicator analysis regardless of the fecal indicator or analytical method used. 1601 EPA Male-specifice (F+) and Somatic April 2001 EPA 821-R-01-030 http://www.epa.gov/nerlcwww/online.htm Coliphage in Water by Two-step Enrichment Procedure EPA Male-specifice (F+) and Somatic Coliphage in Water by Single Agar Layer (SAL) Procedure April 2001 EPA 821-R-01-029 http://www.epa.gov/nerlcwww/online.htm Disinfectants Free Chlorine If approved by the State, residual disinfectant concentrations for free chlorine and combined chlorine may be measured using DPD colorimetric test kits. If approved by the State, free chlorine may be measured using ITS free chlorine test strips. Use of the test strips is described in Method D99-003, "Free Chlorine Species (HOC1- and OC1-) by Test Strip," Revision 3.0, November 21, 2003, available from Industrial Test Systems, Inc., 1875 Langston St., Rock Hill, SC 29730. 4500-C1 D 4500-C1 D 4500-C1 D 4500-C1 D Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods for the Examination of Water and Wastewater, 18th Edition Standard Methods for the Examination of Water and Wastewater, 19th Edition Standard Methods for the Examination of Water and Wastewater, 20th Edition Standard Methods for the Examination of Water and Wastewater, 2 1 st Edition 1992 1995 1998 2005 Standard Methods Standard Methods Standard Methods Standard Methods Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page 3 of 10 ------- Contaminant Method Organization Reference Title Date EPA Publication Number Source of Method Disinfectants Free Chlorine ltapprw It appro\ Species 4500-C1 D-00 Standard Methods Online 4500-C1 F Standard Methods 4500-C1 F Standard Methods 4500-C1 F Standard Methods 4500-C1 F Standard Methods 4500-C1 F-00 Standard Methods Online 4500-C1 G Standard Methods 4500-C1 G Standard Methods 4500-C1 G Standard Methods fed by the State, residual disinfectant concentrations for free chlorine and combined chlonne may be measured using DPD colonmetnc test kits. fed by the State, free chlorine may be measured using ITS free chlorine test strips. Use of the test strips is described in Method D99-003, "Free Chlorine TTOC1- and OC1-) by Test Strip," Revision 3.0, November 21, 2003, available from Industrial Test Systems, Inc., 1875 Langston St., Rock Hill, SC 29730. Online version of Standard Methods for http://www.standardmethods.org/ the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Standard Methods for the Examination of Water and Wastewater, 18th Edition Standard Methods for the Examination of Water and Wastewater, 19th Edition Standard Methods for the Examination of Water and Wastewater, 20th Edition Standard Methods for the Examination of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Standard Methods for the Examination of Water and Wastewater, 18th Edition Standard Methods for the Examination of Water and Wastewater, 19th Edition Standard Methods for the Examination of Water and Wastewater, 20th Edition 1992 1995 1998 2005 1992 1995 1998 Standard Methods Standard Methods Standard Methods Standard Methods http: //www. standardmethods. ore,/ Standard Methods Standard Methods Standard Methods Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page 4 of 10 ------- Contaminant Method Organization Reference Title Date EPA Publication Number Source of Method Disinfectants Free Chlorine ltapprove It approve Species (f 4500-C1 G Standard Methods 4500-C1 G-00 Standard Methods Online 4500-C1 H Standard Methods 4500-C1 H Standard Methods 4500-C1 H Standard Methods 4500-C1 H Standard Methods 4500-C1 H-00 Standard Methods Online D1253-03 ASTM International D1253-86 ASTM International d by the State, residual disinfectant concentrations for free chlorine and combined chlonne may be measured using DPD colonmetnc test kits. d by the State, free chlorine may be measured using ITS free chlorine test strips. Use of the test strips is described in Method D99-003, "Free Chlorine [OC1- and OC1-) by Test Strip," Revision 3.0, November 21, 2003, available from Industrial Test Systems, Inc., 1875 Langston St., Rock Hill, SC 29730. Standard Methods for the Examination 2005 Standard Methods of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Standard Methods for the Examination of Water and Wastewater, 18th Edition Standard Methods for the Examination of Water and Wastewater, 19th Edition Standard Methods for the Examination of Water and Wastewater, 20th Edition Standard Methods for the Examination of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Annual Book of ASTM Standards, Vol. 11.01 Annual Book of ASTM Standards, Vol. 11.01 http: //www. standardmethods. org/ 1992 Standard Methods 1995 Standard Methods 1998 Standard Methods 2005 Standard Methods http: //www. standardmethods. org/ http: //www.astm. org http: //www.astm. org Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page 5 of 10 ------- Contaminant Method Organization Disinfectants Total Chlorine 4500-Cl D 4500-C1 D 4500-Cl D 4500-Cl D 4500-Cl D-00 4500-Cl E 4500-Cl E 4500-Cl E 4500-Cl E 4500-Cl E-00 11 approve Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Online Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Online Reference Title Date EPA Publication Number Source of Method d by the State, residual disinfectant concentrations for free chlorine and combined chlorine may be measured using DPD colorimetric test kits. Standard Methods for the Examination 1 992 Standard Methods of Water and Wastewater, 18th Edition Standard Methods for the Examination 1 995 of Water and Wastewater, 19th Edition Standard Methods for the Examination 1 998 of Water and Wastewater, 20th Edition Standard Methods for the Examination 2005 of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Standard Methods for the Examination 1 992 of Water and Wastewater, 18th Edition Standard Methods for the Examination 1 995 of Water and Wastewater, 19th Edition Standard Methods for the Examination 1 998 of Water and Wastewater, 20th Edition Standard Methods for the Examination 2005 of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Standard Methods Standard Methods Standard Methods http: //www. standardmethods. ore,/ Standard Methods Standard Methods Standard Methods Standard Methods http: //www. standardmethods. org/ Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page 6 of 10 ------- Contaminant Method Organization Disinfectants Total Chlorine 4500-Cl F 4500-C1 F 4500-Cl F 4500-Cl F 4500-Cl F-00 4500-Cl G 4500-Cl G 4500-Cl G 4500-Cl G 4500-Cl G-00 11 approve Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Online Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Online Reference Title Date EPA Publication Number Source of Method d by the State, residual disinfectant concentrations for free chlorine and combined chlorine may be measured using DPD colorimetric test kits. Standard Methods for the Examination 1 992 Standard Methods of Water and Wastewater, 18th Edition Standard Methods for the Examination 1 995 of Water and Wastewater, 19th Edition Standard Methods for the Examination 1 998 of Water and Wastewater, 20th Edition Standard Methods for the Examination 2005 of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Standard Methods for the Examination 1 992 of Water and Wastewater, 18th Edition Standard Methods for the Examination 1 995 of Water and Wastewater, 19th Edition Standard Methods for the Examination 1 998 of Water and Wastewater, 20th Edition Standard Methods for the Examination 2005 of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Standard Methods Standard Methods Standard Methods http: //www. standardmethods. ore,/ Standard Methods Standard Methods Standard Methods Standard Methods http: //www. standardmethods. org/ Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page 7 of 10 ------- Contaminant Method Organization Disinfectants Total Chlorine ltapprove 4500-Cl I Standard Methods 4500-Cl I Standard Methods 4500-Cl I Standard Methods 4500-Cl I Standard Methods 4500-Cl 1-00 Standard Methods Online D1253-03 ASTM International D1253-86 ASTM International Chlorine Dioxide 327 Rev 1.1 EPA 4500-C102 C Standard Methods EPA Publication Reference Title Date Number Source of Method d by the State, residual disinfectant concentrations for free chlorine and combined chlorine may be measured using DPD colorimetric test kits. Standard Methods for the Examination 1 992 Standard Methods of Water and Wastewater, 18th Edition Standard Methods for the Examination 1 995 of Water and Wastewater, 19th Edition Standard Methods for the Examination 1 998 of Water and Wastewater, 20th Edition Standard Methods for the Examination 2005 of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Annual Book of ASTM Standards, Vol. 11.01 Annual Book of ASTM Standards, Vol. 11.01 Determination of Chlorine Dioxide and May 2005 EPA 8 1 5-R-05-008 Chlorite Ion in Drinking Water Using Lissamine Green B and Horseradish Peroxidase with Detection by Visible Spectrophotometry Standard Methods for the Examination 1 992 of Water and Wastewater, 18th Edition Standard Methods Standard Methods Standard Methods http: //www. standardmethods. ore,/ http: //www.astm. org http: //www.astm. org http://www.epa.gov/safewater/methods/sourcalt.html Standard Methods Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page 8 of 10 ------- Contaminant Method Organization Reference Title Date EPA Publication Number Source of Method Disinfectants Chlorine Dioxide 4500-C102 C 4500-C102 C 4500-C102 C 4500-C1O2 C-00 4500-C102 D 4500-C102 D 4500-C102 D 4500-C1O2 E 4500-C1O2 E 4500-C1O2 E 4500-C102 E Standard Methods Standard Methods Standard Methods Standard Methods Online Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods for the Examination of Water and Wastewater, 19th Edition Standard Methods for the Examination of Water and Wastewater, 20th Edition Standard Methods for the Examination of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Standard Methods for the Examination of Water and Wastewater, 18th Edition Standard Methods for the Examination of Water and Wastewater, 19th Edition Standard Methods for the Examination of Water and Wastewater, 20th Edition Standard Methods for the Examination of Water and Wastewater, 18th Edition Standard Methods for the Examination of Water and Wastewater, 19th Edition Standard Methods for the Examination of Water and Wastewater, 20th Edition Standard Methods for the Examination of Water and Wastewater, 2 1 st Edition 1995 1998 2005 1992 1995 1998 1992 1995 1998 2005 Standard Methods Standard Methods Standard Methods http: //www. standardmethods. org/ Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Standard Methods Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page 9 of 10 ------- Contaminant Method Organization Reference Title Date EPA Publication Number Source of Method Disinfectants Chlorine Dioxide 4500-C1O2 E-00 Standard Methods Online Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. http: //www. standardmethods. org/ Ozone 4500-O3 B Standard Methods 4500-O3 B Standard Methods 4500-O3 B Standard Methods 4500-O3 B Standard Methods 4500-O3 B-97 Standard Methods Online Standard Methods for the Examination 1 992 of Water and Wastewater, 18th Edition Standard Methods for the Examination 1 995 of Water and Wastewater, 19th Edition Standard Methods for the Examination 1 998 of Water and Wastewater, 20th Edition Standard Methods for the Examination 2005 of Water and Wastewater, 2 1 st Edition Online version of Standard Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved. Standard Methods Standard Methods Standard Methods Standard Methods http: //www. standardmethods. org/ Contact information for methods that are not available on the Internet are summarized in the report titled "Sources of Approved Analytical Methods for National Drinking Water Regulations." Revised June 2008 Approved Methods for the Ground Water Rule - National Primary Drinking Water Regulations Page 10 of 10 ------- |