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40 CFR 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
	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 Colitag^TM Method, “Modified Colitag^TM 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 TNTplus^TM 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 2012-07-01

The following are only the Rules published in the Federal Register after the published date of Title 40.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

2013-02-13; vol. 78 # 30 - Wednesday, February 13, 2013

78 FR 10270 - National Primary Drinking Water Regulations: Revisions to the Total Coliform Rule

GPO FDSys XML | Text

Additional Documents

type	regulations.gov
FR Doc.	2012-31205
RIN	2040-AD94
	EPA-HQ-OW-2008-0878
	FRL-9684-8

ENVIRONMENTAL PROTECTION AGENCY

Final rule.

This final rule is effective on April 15, 2013. For judicial purposes, this final rule is promulgated as of February 13, 2013. The compliance date for the rule requirements is April 1, 2016. The incorporation by reference of certain publications listed in the rule is approved by the Director of the Federal Register (FR) as of April 15, 2013.

40 CFR Parts 141 and 142

Summary

The Environmental Protection Agency (EPA or the Agency) is finalizing revisions to the 1989 Total Coliform Rule (TCR). The Revised Total Coliform Rule (RTCR) offers a meaningful opportunity for greater public health protection beyond the 1989 TCR. Under the RTCR there is no longer a monthly maximum contaminant level (MCL) violation for multiple total coliform detections. Instead, the revisions require systems that have an indication of coliform contamination in the distribution system to assess the problem and take corrective action that may reduce cases of illnesses and deaths due to potential fecal contamination and waterborne pathogen exposure. This final rule also updates provisions in other rules that reference analytical methods and other requirements in the 1989 TCR (e.g., Public Notification and Ground Water Rules). These revisions are in accordance with the 1996 Safe Drinking Water Act (SDWA) Amendments, which require EPA to review and revise, as appropriate, each national primary drinking water regulation no less often than every six years. These revisions also conform with the SDWA provision that requires any revision to “maintain, or provide for greater, protection of the health of persons.” As with the 1989 TCR, the RTCR applies to all public water systems.

2012-07-25; vol. 77 # 143 - Wednesday, July 25, 2012

77 FR 43524 - Revisions to the Unregulated Contaminant Monitoring Regulation (UCMR 3) for Public Water Systems

GPO FDSys XML | Text

Additional Documents

type	regulations.gov
FR Doc.	C2-2012-9978
RIN	2040-AF10
Docket No.	EPA-HQ-OW-2009-0090
	FRL-9660-4

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 141 and 142

Summary

2012-07-02; vol. 77 # 127 - Monday, July 2, 2012

77 FR 39183 - Revisions to the Unregulated Contaminant Monitoring Regulation (UCMR 3) for Public Water Systems

GPO FDSys XML | Text

Additional Documents

type	regulations.gov
FR Doc.	C1-2012-9978
RIN	2040-AF10
Docket No.	EPA-HQ-OW-2009-0090
	FRL-9660-4

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 141 and 142

Summary

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.

United States Code

U.S.C. : Title 42 - THE PUBLIC HEALTH AND WELFARE

§ 300f - Definitions

42 USC § 300g–1 - National drinking water regulations

42 USC § 300g–2 - State primary enforcement responsibility

42 USC § 300g–3 - Enforcement of drinking water regulations

42 USC § 300g–4 - Variances

42 USC § 300g–5 - Exemptions

42 USC § 300g–6 - Prohibition on use of lead pipes, solder, and flux

§ 300h - Regulations for State programs

42 USC § 300j–4 - Records and inspections

42 USC § 300j–9 - General provisions

42 USC § 300j–11 - Indian Tribes

Title 40 published on 2012-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 141 after this date.

2013-02-13; vol. 78 # 30 - Wednesday, February 13, 2013

78 FR 10270 - National Primary Drinking Water Regulations: Revisions to the Total Coliform Rule

GPO FDSys XML | Text

Additional Documents

type	regulations.gov
FR Doc.	2012-31205
RIN	2040-AD94
	EPA-HQ-OW-2008-0878
	FRL-9684-8

ENVIRONMENTAL PROTECTION AGENCY

Final rule.

40 CFR Parts 141 and 142

Summary

2012-09-18; vol. 77 # 181 - Tuesday, September 18, 2012

77 FR 57545 - Long Term 2 Enhanced Surface Water Treatment Rule: Public Meeting on Monitoring Data Analysis, Occurrence Forecasts, Binning, and the Microbial Toolbox

GPO FDSys XML | Text

Additional Documents

type	regulations.gov
FR Doc.	2012-23014
RIN
	FRL-9727-9

ENVIRONMENTAL PROTECTION AGENCY

Notice of public meeting.

40 CFR Parts 141 and 142

Summary

The U.S. Environmental Protection Agency (EPA) is hosting a public meeting on November 15, 2012, concerning monitoring, binning and microbial toolbox information as part of the regulatory review of the Long Term 2 Enhanced Surface Water Treatment Rule (LT2 rule). At this meeting, EPA plans to discuss and solicit public input on data and information related to several topics. The first topic is the results of the first round of LT2 Cryptosporidium monitoring that are used to determine which one of the four categories ( i.e., bins) a public drinking water system (PWS) should be placed. The second topic is the implications of predicted occurrence and bin category placement that may result from a second round of Cryptosporidium monitoring using the existing or enhanced analytical methods. The third topic is the effectiveness of Escherichia coli as a screen to identify small filtered PWSs that need to perform Cryptosporidium monitoring for bin placement. The fourth topic is the determination of the potential credits assigned to different risk mitigation tools. EPA will also provide background information on the LT2 rule's monitoring and binning requirements, microbial toolbox options for risk management, and the agency's Six Year Review process. EPA will consider the data and/or information discussed at this meeting during the agency's review of the LT2 rule, which the agency has announced as part of both the Retrospective Review Plan under Executive Order (E.O.) 13563 and the third Six-Year Review under the Safe Drinking Water Act.

2012-08-30; vol. 77 # 169 - Thursday, August 30, 2012

77 FR 52633 - Notice of a Public Meeting: Stakeholder Meeting Concerning EPA's Intent To Regulate Perchlorate Levels in Drinking Water

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Additional Documents

type	regulations.gov
FR Doc.	2012-21480
RIN
	FRL-9723-9

ENVIRONMENTAL PROTECTION AGENCY

Notice of public meeting.

The public meeting and webcast will be held on September 20, 2012 (10 a.m. to 4 p.m., Eastern Time (ET)). Persons wishing to attend the meeting or webcast must register in advance as described in the SUPPLEMENTARY INFORMATION section below.

40 CFR Parts 141 and 142

Summary

The U. S. Environmental Protection Agency (EPA) is holding a public meeting and webcast to share information with the public related to treatment technologies, analytical methods and other information pertaining to the development of a proposed National Primary Drinking Water Regulation for Perchlorate.

2012-07-30; vol. 77 # 146 - Monday, July 30, 2012

77 FR 44562 - Public Meeting: Potential Regulatory Implications of the Reduction of Lead in Drinking Water Act of 2011

GPO FDSys XML | Text

Additional Documents

type	regulations.gov
FR Doc.	2012-18525
RIN
	FRL-9708-1

ENVIRONMENTAL PROTECTION AGENCY

Notice.

The public meeting will be held at the Environmental Protection Agency Conference Center (lobby level-room 1204). One Potomac Yard (South Building) 2777 S. Crystal Drive, Arlington, VA 22202 on Thursday, August 16, 2012, from 1:00 p.m. to 4:30 p.m., Eastern Daylight Time (EDT). All attendees must go through a metal detector, sign in with the security desk, and show government issued photo identification to enter the building. Teleconference and webcast attendance will be available. Instructions for registration for the meeting are located in the SUPPLEMENTARY INFORMATION section of this notice.

40 CFR Parts 141 and 142

Summary

The U.S. Environmental Protection Agency (EPA) is hosting a public meeting on August 16, 2012, to discuss and solicit input from States, manufacturers, drinking water systems, other interested groups and consumers on the implementation of the Reduction of Lead in Drinking Water Act of 2011 (“the Act”). The Act was signed on January 4, 2011, and will be effective on January 4, 2014. The Act amended Section 1417 of the Safe Drinking Water Act (SDWA), which prohibits the use of certain plumbing products that are not “lead free” (as defined by SDWA), and makes it unlawful to introduce into commerce products that are not “lead free.”

2012-07-25; vol. 77 # 143 - Wednesday, July 25, 2012

77 FR 43524 - Revisions to the Unregulated Contaminant Monitoring Regulation (UCMR 3) for Public Water Systems

GPO FDSys XML | Text

Additional Documents

type	regulations.gov
FR Doc.	C2-2012-9978
RIN	2040-AF10
Docket No.	EPA-HQ-OW-2009-0090
	FRL-9660-4

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 141 and 142

Summary

2012-07-02; vol. 77 # 127 - Monday, July 2, 2012

77 FR 39183 - Revisions to the Unregulated Contaminant Monitoring Regulation (UCMR 3) for Public Water Systems

GPO FDSys XML | Text

Additional Documents

type	regulations.gov
FR Doc.	C1-2012-9978
RIN	2040-AF10
Docket No.	EPA-HQ-OW-2009-0090
	FRL-9660-4

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 141 and 142

Summary

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

CFR Toolbox

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