40 CFR Part 141, Subpart C, Appendix A to Subpart C of Part 141 - Alternative Testing Methods Approved for Analyses Under the Safe Drinking Water Act

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View PDF at GPO Pt. 141, Subpt. C, App. A
Appendix A to Subpart C of Part 141—Alternative Testing Methods Approved for Analyses Under the Safe Drinking Water Act
Only the editions stated in the following table are approved.
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.21 (f)(3)
Organism Methodology SM 21st edition 1 Other
Total Coliforms Total Coliform Fermentation Technique 9221 A, B
Total Coliform Membrane Filter Technique 9222 A, B, C
Presence-Absence (P-A) Coliform Test 9221 D
ONPG-MUG Test 9223
Colitag TM Modified Colitag TM 13
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.21 (f)(6)
Organism Methodology SM 20thedition 6 SM 21stedition 1 SM online 3 Other
E. coli ONPG-MUG Test 9223 B 9223 B 9223 B-97
Modified Colitag TM 13
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.23 (k)(1)
Contaminant Methodology EPA method SM 21stedition 1 SM online 3 ASTM 4 Other
Alkalinity Titrimetric 2320 B D 1067-06 B
Antimony Hydride—Atomic Absorption D 3697-07
Atomic Absorption; Furnace 3113 B 3113 B-04
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Arsenic Atomic Absorption; Furnace 3113 B 3113 B-04 D 2972-08 C
Hydride Atomic Absorption 3114 B 3114 B-09 D 2972-08 B
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Barium Inductively Coupled Plasma 3120 B
Atomic Absorption; Direct 3111 D
Atomic Absorption; Furnace 3113 B 3113 B-04
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Beryllium Inductively Coupled Plasma 3120 B
Atomic Absorption; Furnace 3113 B 3113 B-04 D 3645-08 B
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Cadmium Atomic Absorption; Furnace 3113 B 3113 B-04
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Calcium EDTA titrimetric 3500-Ca B D 511-09 A
Atomic Absorption; Direct Aspiration 3111 B D 511-09 B
Inductively Coupled Plasma 3120 B
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Ion Chromatography D 6919-09
Chromium Inductively Coupled Plasma 3120 B
Atomic Absorption; Furnace 3113 B 3113 B-04
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Copper Atomic Absorption; Furnace 3113 B 3113 B-04 D 1688-07 C
Atomic Absorption; Direct Aspiration 3111 B D 1688-07 A
Inductively Coupled Plasma 3120 B
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Conductivity Conductance 2510 B
Cyanide Manual Distillation followed by D2036-06 A
Spectrophotometric,Amenable 4500-CN G D2036-06 B
Spectrophotometric Manual 4500-CN E D2036-06 A
Selective Electrode 4500-CN F
Gas Chromatography/MassSpectrometry Headspace ME355.01 7
Fluoride Ion Chromatography 4110 B
Manual Distillation; Colorimetric SPADNS 4500-F B, D
Manual Electrode 4500-F C D 1179-04, 10 B
Automated Alizarin 4500-F E
Arsenite-Free Colorimetric SPADNS Hach SPADNS 2 Method 10225 22
Lead Atomic Absorption; Furnace 3113 B 3113 B-04 D 3559-08 D
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Magnesium Atomic Absorption; Direct 3111 B D 511-09 B
Inductively Coupled Plasma 3120 B
Complexation Titrimetric Methods 3500-Mg B D 511-09 A
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Ion Chromatography D 6919-09
Mercury Manual, Cold Vapor 3112 B 3112 B-09
Nickel Inductively Coupled Plasma 3120 B
Atomic Absorption; Direct 3111 B
Atomic Absorption; Furnace 3113 B 3113 B-04
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Nitrate Ion Chromatography 4110 B
Automated Cadmium Reduction 4500-NO3-F
Manual Cadmium Reduction 4500-NO3-E
Ion Selective Electrode 4500-NO3-D
Reduction/Colorimetric Systea Easy (1-Reagent).8
Colorimetric; Direct Hach TNTplusTM 835/836 Method 10206.23
Nitrite Ion Chromatography 4110 B
Automated Cadmium Reduction 4500-NO3 F
Manual Cadmium Reduction 4500-NO3 E
Spectrophotometric 4500-NO2 B
Reduction/Colorimetric Systea Easy(1-Reagent) 8
Orthophosphate Ion Chromatography 4110 B
Colorimetric, ascorbic acid, single reagent 4500-P E 4500-P E-99
Colorimetric, Automated, Ascorbic Acid 4500-P F 4500-P F-99
pH Electrometric 4500-H B
Selenium Hydride—Atomic Absorption 3114 B 3114 B-09 D 3859-08 A
Atomic Absorption; Furnace 3113 B 3113 B-04 D 3859-08 B
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Silica Colorimetric D859-05, 10
Molybdosilicate 4500-SiO2 C
Heteropoly blue 4500-SiO2 D
Automated for Molybdate-reactive Silica 4500-SiO2 E
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Inductively Coupled Plasma 3120 B
Sodium Atomic Absorption; Direct Aspiration 3111 B
Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Ion Chromatography D 6919-09
Temperature Thermometric 2550
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.24 (e)(1)
Contaminant Methodology EPA method SM 21stedition 1 SM online 3
Benzene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3 9
Carbon tetrachloride Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Chlorobenzene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
1,2-Dichlorobenzene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
1,4-Dichlorobenzene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
1,2-Dichloroethane Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
cis-Dichloroethylene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Trans-Dichloroethylene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Dichloromethane Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
1,2-Dichloropropane Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Ethylbenzene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Styrene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Tetrachloroethylene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
1,1,1-Trichloroethane Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Trichloroethylene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Toluene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
1,2,4-Trichlorobenzene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
1,1-Dichloroethylene Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
1,1,2-Trichlorethane Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Vinyl chloride Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Xylenes (total) Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
2,4-D Gas Chromatography/Electron Capture Detection (GC/ECD) 6640 B 6640 B-01
2,4,5-TP (Silvex) Gas Chromatography/Electron Capture Detection (GC/ECD) 6640 B 6640 B-01
Alachlor Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Atrazine Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24, 523 26
Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC/ESI-MS/MS) 536 25
Benzo(a)pyrene Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Carbofuran High-performance liquid chromatography (HPLC) with post-column derivatization and fluorescence detection 6610 B 6610 B-04
Chlordane Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Dalapon Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS) 557 14
Gas Chromatography/Electron Capture Detection (GC/ECD) 6640 B 6640 B-01
Di(2-ethylhexyl)adipate Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Di(2-ethylhexyl)phthalate Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Dibromochloropropane (DBCP) Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Dinoseb Gas Chromatography/Electron Capture Detection (GC/ECD) 6640 B 6640 B-01
Endrin Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Ethyl dibromide (EDB) Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Glyphosate High-Performance Liquid Chromatography (HPLC) with Post-Column Derivatization and Fluorescence Detection 6651 B 6651 B-00
Heptachlor Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Heptachlor Epoxide Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Hexachlorobenzene Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Hexachlorocyclo-pentadiene Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Lindane Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Methoxychlor Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Oxamyl High-performance liquid chromatography (HPLC) with post-column derivatization and fluorescence detection 6610 B 6610 B-04
PCBs (as Aroclors) Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Pentachlorophenol Gas Chromatography/Electron Capture Detection (GC/ECD) 6640 B 6640 B-01
Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Picloram Gas Chromatography/Electron Capture Detection (GC/ECD) 6640 B 6640 B-01
Simazine Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24, 523 26
Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC/ESI-MS/MS) 536 25
Toxaphene Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS) 525.3 24
Total Trihalomethanes Purge & Trap/Gas Chromatography/Mass Spectrometry 524.3
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.25 (a)
Contaminant Methodology SM 21stedition 1 ASTM 4
Naturally Occurring:
Gross alpha and beta Evaporation 7110 B
Gross alpha Coprecipitation 7110 C
Radium 226 Radon emanation 7500-Ra C D3454-05
Radiochemical 7500-Ra B D2460-07
Radium 228 Radiochemical 7500-Ra D
Uranium
Radiochemical 7500-U B
ICP-MS 3125 D5673-05, 10
Alpha spectrometry 7500-U C D3972-09
Laser Phosphorimetry D5174-07
Alpha Liquid Scintillation Spectrometry D6239-09
Man-Made:
Radioactive Cesium Radiochemical 7500-Cs B
Gamma Ray Spectrometry 7120 D3649-06
Radioactive Iodine Radiochemical 7500-I B D3649-06
7500-I C
7500-I D
Gamma Ray Spectrometry 7120 D4785-08
Radioactive Strontium 89, 90 Radiochemical 7500-Sr B
Tritium Liquid Scintillation 7500−3H B D4107-08
Gamma Emitters Gamma Ray Spectrometry 7120 D3649-06
7500-Cs B D4785-08
7500-I B
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.74 (a)(1)
Organism Methodology SM 21stedition 1 Other
Total Coliform Total Coliform Fermentation Technique 9221 A, B, C
Total Coliform Membrane Filter Technique 9222 A, B, C
ONPG-MUG Test 9223
Fecal Coliforms Fecal Coliform Procedure 9221 E
Fecal Coliform Filter Procedure 9222 D
Heterotrophic bacteria Pour Plate Method 9215 B
Turbidity Nephelometric Method 2130 B
Laser Nephelometry (on-line) Mitchell M5271 10
LED Nephelometry (on-line) Mitchell M5331 11
LED Nephelometry (on-line) AMI Turbiwell 15
LED Nephelometry (portable) Orion AQ4500 12
Alternative Testing Methods for Disinfectant Residuals Listed at 40 CFR 141.74 (a)(2)
Residual Methodology SM 21st Edition 1 ASTM 4 Other
Free Chlorine Amperometric Titration 4500-Cl D D 1253-08
DPD Ferrous Titrimetric 4500-Cl F
DPD Colorimetric 4500-Cl G
Syringaldazine (FACTS) 4500-Cl H
On-line Chlorine Analyzer EPA 334.0.16
Amperometric Sensor ChloroSense.17
Total Chlorine Amperometric Titration 4500-Cl D D 1253-08
Amperometric Titration (Low level measurement) 4500-Cl E
DPD Ferrous Titrimetric 4500-Cl F
DPD Colorimetric 4500-Cl G
Iodometric Electrode 4500-Cl I
On-line Chlorine Analyzer EPA 334.0.16
Amperometric Sensor ChloroSense.17
Chlorine Dioxide Amperometric Titration 4500-ClO2 C
Amperometric Titration 4500-ClO2 E
Ozone Indigo Method 4500-O3 B
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.131 (b)(1)
Contaminant Methodology EPA Method ASTM 4 SM 21st Edition 1
TTHM P&T/GC/MS 9 524.3
HAA5 LLE (diazomethane)/GC/ECD 6251 B.
Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS) 14 557
Bromate Two-Dimensional Ion Chromatography (IC) 18 302.0
Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS) 14 557
Chemically Suppressed Ion Chromatography D 6581-08 A.
Electrolytically Suppressed Ion Chromatography D 6581-08 B.
Chlorite Chemically Suppressed Ion Chromatography D 6581-08 A.
Electrolytically Suppressed Ion Chromatography D 6581-08 B.
Chlorite—daily monitoring as prescribed in 40 CFR 141.132(b)(2)(i)(A). Amperometric Titration 4500-ClO2 E.
Alternative Testing Methods for Disinfectant Residuals Listed at 40 CFR 141.131 (c)(1)
Residual Methodology SM 21st Edition 1 ASTM 4 Other
Free Chlorine Amperometric Titration 4500-Cl D D 1253-08
DPD Ferrous Titrimetric 4500-Cl F
DPD Colorimetric 4500-Cl G
Syringaldazine (FACTS) 4500-Cl H
Amperometric Sensor ChloroSense.17
On-line Chlorine Analyzer EPA 334.0.16
Combined Chlorine Amperometric Titration 4500-Cl D D 1253-08
DPD Ferrous Titrimetric 4500-Cl F
DPD Colorimetric 4500-Cl G
Total Chlorine Amperometric Titration 4500-Cl D D 1253-08
Low level Amperometric Titration 4500-Cl E
DPD Ferrous Titrimetric 4500-Cl F
DPD Colorimetric 4500-Cl G
Iodometric Electrode 4500-Cl I
Amperometric Sensor ChloroSense.17
On-line Chlorine Analyzer EPA 334.0.16
Chlorine Dioxide Amperometric Method II 4500-ClO2 E.
Alternative Testing Methods for Disinfectant Residuals Listed at 40 CFR 141.131 (c)(2), If Approved by the State
Residual Methodology Method
Free Chlorine Test Strips Method D99-003 5
Alternative Testing Methods for Parameters Listed at 40 CFR 141.131 (d)
Parameter Methodology SM 21stedition 1 EPA
Total Organic Carbon (TOC) High Temperature Combustion 5310 B 415.3, Rev 1.2 19
Persulfate-Ultraviolet or Heated Persulfate Oxidation 5310 C 415.3, Rev 1.2
Wet Oxidation 5310 D 415.3, Rev 1.2
Specific Ultraviolet Absorbance (SUVA) Calculation using DOC and UV254 data 415.3, Rev 1.2
Dissolved Organic Carbon (DOC) High Temperature Combustion 5310 B 415.3, Rev 1.2
Persulfate-Ultraviolet or Heated Persulfate Oxidation 5310 C 415.3, Rev 1.2
Wet Oxidation 5310 D 415.3, Rev 1.2
Ultraviolet absorption at 254 nm (UV254) Spectrophotometry 5910 B 415.3, Rev 1.2
Alternative Testing Methods With MRL ≤ 0.0010 mg/L for Monitoring Listed at 40 CFR 141.132(b)(3)(ii)(B)
Contaminant Methodology EPA method
Bromate Two-Dimensional Ion Chromatography (IC) 302.0 18
Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS) 557 14
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.402 (c)(2)
Organism Methodology SM 20th edition 6 SM 21st edition 1 SM online 3 Other
E. coli Colilert 9223 B 9223 B-97
Colisure 9223 B 9223 B-97
Colilert-18 9223 B 9223 B 9223 B-97
Readycult® Readycult®.20
Colitag Modified ColitagTM.13
Chromocult® Chromocult®.21
Enterococci Multiple-Tube Technique 9230 B-04
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.704 (a)
Organism Methodology EPA Method
Cryptosporidium Filtration/Immunomagnetic Separation/Immunofluorescence Assay Microscopy 1623.1 27
Alternative Testing Methods for Contaminants Listed at 40 CFR 141.704 (b)
Organism Methodology SM 20th edition 6
E. coli Membrane Filtration, Two Step 9222 D/9222 G
Alternative Testing Methods for Contaminants Listed at 40 CFR 143.4 (b)
Contaminant Methodology EPA method ASTM 4 SM 21stedition 1 SM online 3
Aluminum Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Atomic Absorption; Direct 3111D
Atomic Absorption; Furnace 3113 B 3113 B-04
Inductively Coupled Plasma 3120 B
Chloride Silver Nitrate Titration D 512-04 B 4500-Cl B
Ion Chromatography 4110 B
Potentiometric Titration 4500-Cl D
Color Visual Comparison 2120 B
Foaming Agents Methylene Blue Active Substances (MBAS) 5540 C
Iron Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Atomic Absorption; Direct 3111 B
Atomic Absorption; Furnace 3113 B 3113 B-04
Inductively Coupled Plasma 3120 B
Manganese Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Atomic Absorption; Direct 3111 B
Atomic Absorption; Furnace 3113 B 3113 B-04
Inductively Coupled Plasma 3120 B
Odor Threshold Odor Test 2150 B
Silver Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2. 2
Atomic Absorption; Direct 3111 B
Atomic Absorption; Furnace 3113 B 3113 B-04
Inductively Coupled Plasma 3120 B
Sulfate Ion Chromatography 4110 B
Gravimetric with ignition of residue 4500-SO4 −2 C 4500-SO4 −2 C-97
Gravimetric with drying of residue 4500-SO4 −2 D 4500-SO4 −2 D-97
Turbidimetric method D 516-07 4500-SO4 −2 E 4500-SO4 −2 E-97
Automated methylthymol blue method 4500-SO4 −2 F 4500-SO4 −2 F-97
Total Dissolved Solids Total Dissolved Solids Dried at 180 deg C 2540 C
Zinc Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) 200.5, Revision 4.2
Atomic Absorption; Direct Aspiration 3111 B
Inductively Coupled Plasma 3120 B

Footnote(s):
1 Standard Methods for the Examination of Water and Wastewater, 21st edition (2005). Available from American Public Health Association, 800 I Street, NW., Washington, DC 20001-3710.
2 EPA Method 200.5, Revision 4.2. “Determination of Trace Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma-Atomic Emission Spectrometry.” 2003. EPA/600/R-06/115. (Available at http://www.epa.gov/nerlcwww/ordmeth.htm .)
3 Standard Methods Online are available at http://www.standardmethods.org . The year in which each method was approved by the Standard Methods Committee is designated by the last two digits in the method number. The methods listed are the only online versions that may be used.
4 Available from ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 or http://astm.org . The methods listed are the only alternative versions that may be used.
5 Method D99-003, Revision 3.0. “Free Chlorine Species (HOCl and OCl) by Test Strip,” November 21, 2003. Available from Industrial Test Systems, Inc., 1875 Langston St., Rock Hill, SC 29730.
6 Standard Methods for the Examination of Water and Wastewater, 20th edition (1998). Available from American Public Health Association, 800 I Street, NW., Washington, DC 20001-3710.
7 Method ME355.01, Revision 1.0. “Determination of Cyanide in Drinking Water by GC/MS Headspace,” May 26, 2009. Available at http://www.nemi.gov or from James Eaton, H & E Testing Laboratory, 221 State Street, Augusta, ME 04333. (207) 287-2727.
8 Systea Easy (1-Reagent). “Systea Easy (1-Reagent) Nitrate Method,” February 4, 2009. Available at http://www.nemi.gov or from Systea Scientific, LLC., 900 Jorie Blvd., Suite 35, Oak Brook, IL 60523.
9 EPA Method 524.3, Version 1.0. “Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry,” June 2009. EPA 815-B-09-009. Available at http://epa.gov/safewater/methods/analyticalmethods_ogwdw.html .
10 Mitchell Method M5271, Revision 1.1. “Determination of Turbidity by Laser Nephelometry,” March 5, 2009. Available at http://www.nemi.gov or from Leck Mitchell, PhD, PE, 656 Independence Valley Dr., Grand Junction, CO 81507.
11 Mitchell Method M5331, Revision 1.1. “Determination of Turbidity by LED Nephelometry,” March 5, 2009. Available at http://www.nemi.gov or from Leck Mitchell, PhD, PE, 656 Independence Valley Dr., Grand Junction, CO 81507.
12 Orion Method AQ4500, Revision 1.0. “Determination of Turbidity by LED Nephelometry,” May 8, 2009. Available at http://www.nemi.gov or from Thermo Scientific, 166 Cummings Center, Beverly, MA 01915, http://www.thermo.com .
13 Modified ColitagTM Method, “Modified ColitagTM Test Method for the Simultaneous Detection of E. coli and other Total Coliforms in Water (ATP D05-0035),” August 28, 2009. Available at http://www.nemi.gov or from CPI, International, 580 Skylane Boulevard, Santa Rosa, CA 95403.
14 EPA Method 557. “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. Available at http://water.epa.gov/scitech/drinkingwater/labcert/analyticalmethods_expedited.cfm.
15 AMI Turbiwell, “Continuous Measurement of Turbidity Using a SWAN AMI Turbiwell Turbidimeter,” August 2009. Available at http://www.nemi.gov or from Markus Bernasconi, SWAN Analytische Instrumente AG, Studbachstrasse 13, CH-8340 Hinwil, Switzerland.
16 EPA Method 334.0. “Determination of Residual Chlorine in Drinking Water Using an On-line Chlorine Analyzer,” August 2009. EPA 815-B-09-013. Available at http://epa.gov/safewater/methods/analyticalmethods_ogwdw.html .
17 ChloroSense. “Measurement of Free and Total Chlorine in Drinking Water by Palintest ChloroSense,” September 2009. Available at http://www.nemi.gov or from Palintest Ltd, 21 Kenton Lands Road, PO Box 18395, Erlanger, KY 41018.
18 EPA Method 302.0. “Determination of Bromate in Drinking Waters using Two-Dimensional Ion Chromatography with Suppressed Conductivity Detection,” September 2009. EPA 815-B-09-014. Available at http://epa.gov/safewater/methods/analyticalmethods_ogwdw.html .
19 EPA 415.3, Revision 1.2. “Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water,” August 2009. EPA/600/R-09/122. Available at http://www.epa.gov/nerlcwww/ordmeth.htm.
20 Readycult® Method, “Readycult® Coliforms 100 Presence/Absence Test for Detection and Identification of Coliform Bacteria and Escherichia coli in Finished Waters,” January, 2007. Version 1.1. Available from EMD Chemicals (affiliate of Merck KGaA, Darmstadt, Germany), 480 S. Democrat Road, Gibbstown, NJ 08027-1297.
21 Chromocult® Method, “Chromocult® Coliform Agar Presence/Absence Membrane Filter Test Method for Detection and Identification of Coliform Bacteria and Escherichia coli in Finished Waters,” November, 2000. Version 1.0. EMD Chemicals (affiliate of Merck KGaA, Darmstadt, Germany), 480 S. Democrat Road, Gibbstown, NJ 08027-1297.
22 Hach Company Method, “Hach Company SPADNS 2 (Arsenic-free) Fluoride Method 10225—Spectrophotometric Measurement of Fluoride in Water and Wastewater,” January 2011. 5600 Lindbergh Drive, P.O. Box 389, Loveland, Colorado 80539. (Available at http://www.hach.com. )
23 Hach Company Method, “Hach Company TNTplusTM 835/836 Nitrate Method 10206—Spectrophotometric Measurement of Nitrate in Water and Wastewater,” January 2011. 5600 Lindbergh Drive, P.O. Box 389, Loveland, Colorado 80539. (Available at http://www.hach.com. )

[74 FR 38353, Aug. 3, 2009, as amended at 74 FR 57914, Nov. 10, 2009; 74 FR 63069, Dec. 2, 2009; 75 FR 32299, June 8, 2010; 76 FR 37018, June 24, 2011; 77 FR 38527, June 28, 2012]

Title 40 published on 2013-07-01

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  • 2014-06-27; vol. 79 # 124 - Friday, June 27, 2014
    1. 79 FR 36429 - Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures
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  • 2014-06-27; vol. 79 # 124 - Friday, June 27, 2014
    1. 79 FR 36429 - Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures
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