['Water Programs']

['Water Analysis', 'Water Quality', 'Safe Drinking Water', 'Water Monitoring']

06/26/2024

HOME NEWS REGSENSE INSTITUTE EDGE EXPERT HELP EVENTS FORUMS

FREE TRIAL UPGRADE!

Thank you for investing in EnvironmentalHazmatHuman ResourcesHuman Resources, Hazmat & Environmental related content. Click 'UPGRADE' to continue.

CANCEL

UPGRADE

YOU'RE ALL SET!

Enjoy your limited-time access to the Compliance Network!

A confirmation welcome email has been sent to your email address from ComplianceNetwork@t.jjkellercompliancenetwork.com. Please check your spam/junk folder if you can't find it in your inbox.

CONTINUE

YOU'RE ALL SET!

Thank you for your interest in EnvironmentalHazmatHuman ResourcesHuman Resources, Hazmat & Environmental related content.

CONTINUE

WHOOPS!

You've reached your limit of free access, if you'd like more info, please contact us at 800-327-6868.

By signing in for J. J. Keller® Compliance Network, you agree to the J. J. Keller® Terms of Use . For information about how we use any personal information we collect for our own purposes, please review our Notice at Collection .

Your Compliance Network account is no longer active, please call support at 1-833-982-1232 option 3, to reactivate your account.

There is no account associated with this email.

Your Compliance Network account will use the same sign in credentials as the following J.J. Keller sites. Please enter the same password you use to access:
Please note: Any changes to your credentials will affect all products.
Contact Support at 1-833-982-1232 or compliancenetwork@jjkeller.com

Password

To enhance your account's security, you need to confirm your email address and reset your password.

To reset your password, enter the 6-digit verification code sent to csquires@jjkeller.com.

* Field cannot be blank

If you don't see the email in your inbox, please check your spam folder.

Password

Re-enter Password

Secure password tips:

Password is case sensitive.
Use at least 12 characters.
Use at least one upper and one lower case letter.
Use at least 1 number.
Password may contain special characters: ! @ # $ % ^ & * ( ) ... - + = { }
Your password cannot be any of the last 4 passwords.
Password expires every 365 days.

You already have a Compliance Network account, please sign in.

test@email.com

Your Compliance Network account will use the same sign in credentials as the following J.J. Keller sites. Please enter the same password you use to access:
Please note: Any changes to your credentials will affect all products.
Contact Support at 1-833-982-1232 or compliancenetwork@jjkeller.com

Password

To enhance your account's security, you need to confirm your email address and reset your password.

To reset your password, enter the 6-digit verification code sent to csquires@jjkeller.com.

* Field cannot be blank

If you don't see the email in your inbox, please check your spam folder.

Password

Re-enter Password

Secure password tips:

Password is case sensitive.
Use at least 12 characters.
Use at least one upper and one lower case letter.
Use at least 1 number.
Password may contain special characters: ! @ # $ % ^ & * ( ) ... - + = { }
Your password cannot be any of the last 4 passwords.
Password expires every 365 days.

Your Compliance Network account is no longer active, please call support at 1-833-982-1232 option 3, to reactivate your account.

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

...

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.

Organism	Methodology	SM 21st Edition ¹	SM 22nd Edition ²⁸	SM Online ³	Other
Total Coliforms	Total Coliform Fermentation Technique	9221 A, B	9221 A, B	9221 A,B-06
	Total Coliform Membrane Filter Technique	9222 A, B, C
	Presence-Absence (P-A) Coliform Test	9221 D
	ONPG-MUG Test	9223	9223 B	9223 B-04
	Colitag ^TM				Modified Colitag ^TM¹³
	Tecta EC/TC ³³

Organism	Methodology	SM 20th Edition ⁶	SM 21st Edition ¹	SM 22nd Edition ²⁸	SM Online ³	Other
E.coli	ONPG-MUG Test	9223 B	9223 B	9223 B	9223 B-97, B-04
	Colitag ^TM					Modified Colitag ^TM¹³
	Tecta EC/TC ³³

Contaminant	Methodology	EPA method	SM 21st edition ¹	SM 22nd edition ²⁸	SM 23rd edition, ⁴⁹ SM 24th edition ⁶⁶	SM online ³	ASTM ⁴	Other
Alkalinity	Titrimetric		2320 B	2320 B	2320 B		D1067–06 B, 11 B, 16 B
Antimony	Hydride—Atomic Absorption						D 3697–07, –12, –17
	Atomic Absorption; Furnace		3113 B	3113 B	3113 B	3113 B–04, B–10
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
Arsenic	Atomic Absorption; Furnace		3113 B	3113 B	3113 B	3113 B–04, B–10	D 2972–08 C, –15 C
	Hydride Atomic Absorption		3114 B	3114 B	3114 B	3114 B–09	D 2972–08 B, –15 B
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
Barium	Inductively Coupled Plasma		3120 B	3120 B	3120 B
	Atomic Absorption; Direct		3111 D	3111 D	3111 D
	Atomic Absorption; Furnace		3113 B	3113 B	3113 B	3113 B–04, B–10
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
Beryllium	Inductively Coupled Plasma		3120 B	3120 B	3120 B
	Atomic Absorption; Furnace		3113 B	3113 B	3113 B	3113 B–04, B–10	D 3645–08 B, –15 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	3113 B	3113 B–04, B–10
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
Calcium	EDTA titrimetric		3500-Ca B	3500-Ca B	3500-Ca B		D 511–09, –14 A
	Atomic Absorption; Direct Aspiration		3111 B	3111 B	3111 B		D 511–09, –14 B
	Inductively Coupled Plasma		3120 B	3120 B	3120 B
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Ion Chromatography						D 6919–09, –17
Chromium	Inductively Coupled Plasma		3120 B	3120 B	3120 B
	Atomic Absorption; Furnace		3113 B	3113 B	3113 B	3113 B–04, B–10
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
Copper	Atomic Absorption; Furnace		3113 B	3113 B	3113 B	3113 B–04, B–10	D 1688–07, –12 C, 17 C
	Atomic Absorption; Direct Aspiration		3111 B	3111 B	3111 B		D 1688–07, –12 A, 17 A
	Inductively Coupled Plasma		3120 B	3120 B	3120 B
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Colorimetry							Hach Method 8026, ³⁵ Hach Method 10272. ³⁶
Conductivity	Conductance		2510 B	2510 B	2510 B		D 1125–14 A
Cyanide	Manual Distillation with MgCl ₂ followed by:		4500–CN C	4500–CN C	4500–CN C	4500–CN C–99	D 2036–06 A
	Spectrophotometric, Amenable		4500–CN G	4500–CN G	4500–CN G		D 2036–06 B
	Spectrophotometric Manual		4500–CN E	4500–CN E	4500–CN E		D2036–06 A
	Selective Electrode		4500–CN F	4500–CN F	4500–CN F
	Gas Chromatography/Mass Spectrometry Headspace							ME355.01. ⁷
Fluoride	Ion Chromatography		4110 B	4110 B	4110 B		D 4327–11, –17
	Manual Distillation; Colorimetric SPADNS		4500–F B, D	4500–F B, D	4500–F B, D
	Manual Electrode		4500–F C	4500–F C	4500–F C		D 1179–04, 10 B, 16 B
	Automated Alizarin		4500–F E	4500–F E	4500–F E
	Arsenite-Free Colorimetric SPADNS							Hach SPADNS 2 Method 10225, ²² Hach Method 10312. ⁶⁷
Lead	Atomic Absorption; Furnace		3113 B	3113 B	3113 B	3113 B–04, B–10	D 3559–08 D, 15 D
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Differential Pulse Anodic Stripping Voltametry							Method 1001, Rev. 1.1. ⁵⁷
Magnesium	Atomic Absorption		3111 B	3111 B	3111 B		D 511–09, –14 B
	Inductively Coupled Plasma		3120 B	3120 B	3120 B
	Complexation Titrimetric Methods		3500-Mg B	3500-Mg B	3500-Mg B		D 511–09, –14 A
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Ion Chromatography						D 6919–09, –17
Mercury	Manual, Cold Vapor		3112 B	3112 B	3112 B	3112 B–09	D 3223–12, –17
Nickel	Inductively Coupled Plasma		3120 B	3120 B	3120 B
	Atomic Absorption; Direct		3111 B	3111 B	3111 B
	Atomic Absorption; Furnace		3113 B	3113 B	3113 B	3113 B–04, B–10
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
Nitrate	Ion Chromatography		4110 B	4110 B	4110 B		D 4327–11, –17
	Automated Cadmium Reduction		4500–NO ₃ F	4500–NO ₃ F	4500–NO ₃ F
	Manual Cadmium Reduction		4500–NO ₃ E	4500–NO ₃ E	4500–NO ₃ E
	Ion Selective Electrode		4500–NO ₃ D	4500–NO ₃ D	4500–NO ₃ D
	Reduction/Colorimetric							Systea Easy (1-Reagent), ⁸ NECi Nitrate-Reductase. ⁴⁰
	Colorimetric; Direct							Hach TNTplus ^TM 835/836 Method 10206. ²³
	Capillary Ion Electrophoresis						D 6508–15
Nitrite	Ion Chromatography		4110 B	4110 B	4110 B		D 4327–11, –17
	Automated Cadmium Reduction		4500–NO ₃ F	4500–NO ₃ F	4500–NO ₃ F
	Manual Cadmium Reduction		4500–NO ₃ E	4500–NO ₃ E	4500–NO ₃ E
	Spectrophotometric		4500–NO ₂ B	4500–NO ₂ B	4500–NO ₂ B
	Reduction/Colorimetric							Systea Easy (1-Reagent), ⁸ NECi Nitrate-Reductase. ⁴⁰
	Capillary Ion Electrophoresis						D 6508–15
Ortho-phosphate	Ion Chromatography		4110 B	4110 B	4110 B		D 4327–11, –17
	Colorimetric, ascorbic acid, single reagent		4500–P E	4500–P E	4500–P E	4500–P E–99
	Colorimetric, Automated, Ascorbic Acid		4500–P F	4500–P F	4500–P F	4500–P F–99	Thermo Fisher Discrete Analyzer. ⁴¹
	Capillary Ion Electrophoresis						D 6508–15
pH	Electrometric	⁴⁸ 150.3	4500–H ⁺ B	4500–H ⁺ B	4500–H ⁺ B		D 1293–12, –18
Selenium	Hydride-Atomic Absorption		3114 B	3114 B	3114 B	3114 B–09	D 3859–08 A, –15 A
	Atomic Absorption; Furnace		3113 B	3113 B	3113 B	3113 B–04, B–10	D 3859–08 B, –15 B
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
Silica	Colorimetric						D859–05, 10, 16
	Molybdosilicate		4500-SiO ₂ C	4500-SiO ₂ C	4500-SiO ₂ C
	Heteropoly blue		4500-SiO ₂ D	4500-SiO ₂ D	4500-SiO ₂ D
	Automated for Molybdate-reactive Silica		4500-SiO ₂ E	4500-SiO ₂ E	4500-SiO ₂ E
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Inductively Coupled Plasma		3120 B	3120 B	3120 B
Sodium	Atomic Absorption; Direct Aspiration		3111 B	3111 B	3111 B
	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Ion Chromatography						D 6919–09, –17
Temperature	Thermometric		2550	2550	2550	2550–10

Contaminant	Methodology	EPA method	SM 21st edition ¹	SM 22nd edition, ²⁸ SM 23rd edition, ⁴⁹ SM 24th edition ⁶⁶	SM online ³	ASTM ⁴	Other
Benzene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
Carbon tetrachloride	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
Chlorobenzene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
1,2-Dichlorobenzene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
1,4-Dichlorobenzene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
1,2-Dichloroethane	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
cis-Dichloroethylene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
trans-Dichloroethylene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
Dichloromethane	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
1,2-Dichloropropane	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
Ethylbenzene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
Styrene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4 ²⁹
Tetrachloroethylene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
1,1,1-Trichloroethane	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
Trichloroethylene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
Toluene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
1,2,4-Trichlorobenzene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
1,1-Dichloroethylene	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4 ²⁹
1,1,2-Trichlorethane	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
Vinyl chloride	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
Xylenes (total)	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹
2,4-D	Gas Chromatography/Electron Capture Detection (GC/ECD)		6640 B	6640 B	6640 B–01, B–06	D 5317–20
2,4,5-TP (Silvex)	Gas Chromatography/Electron Capture Detection (GC/ECD)		6640 B	6640 B	6640 B–01, B–06	D 5317–20
Alachlor	Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS)	525.3. ²⁴
Atrazine	Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC/ESI–MS/MS)	536. ²⁵
	Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS)	525.3, ²⁴ 523. ²⁶
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	6610 B–04
	Liquid Chromatography/Mass Spectrometry						ME 531. ⁵⁸
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	6640 B–01, B–06
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. ⁹
Dinoseb	Gas Chromatography/Electron Capture Detection (GC/ECD)		6640 B	6640 B	6640 B–01, B–06
Endrin	Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS)	525.3. ²⁴
Ethyl dibromide (EDB)	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3. ⁹
Glyphosate	High-Performance Liquid Chromatography (HPLC) with Post-Column Derivatization and Fluorescence Detection		6651 B	6651 B	6651 B–00, B–05
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	6610 B–04
Liquid Chromatography/Mass Spectrometry						ME 531. ⁵⁸
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	6640 B–01, B–06	D 5317–20
Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS)	525.3. ²⁴
Picloram	Gas Chromatography/Electron Capture Detection (GC/ECD)		6640 B	6640 B	6640 B–01, B–06	D 5317–20
Simazine	Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC/ESI–MS/MS)	536. ²⁵
Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS)	525.3, ²⁴ 523. ²⁶
Toxaphene	Solid Phase Extraction/Gas Chromatography/Mass Spectrometry (GC/MS)	525.3. ²⁴
Total Trihalomethanes	Purge &Trap/Gas Chromatography/Mass Spectrometry	524.3, ⁹ 524.4. ²⁹

Contaminant	Methodology	EPA method	SM 21st edition ¹	SM 22nd edition, ²⁸ SM 23rd edition, ⁴⁹ SM 24th edition ⁶⁶	ASTM ⁴	SM online ³
Naturally Occurring:
Gross alpha and beta	Evaporation	900.0, Rev. 1.0 ⁵⁰	7110 B	7110 B
	Liquid Scintillation			7110 D	D 7283–17	7110 D–17.
Gross alpha	Coprecipitation		7110 C	7110 C
Radium 226	Radon emanation	903.1, Rev. 1.0 ⁵³	7500-Ra C	7500-Ra C	D 3454–05, –18, D 3454–21
	Radiochemical	903.0, Rev. 1.0 ⁵⁴	7500-Ra B	7500-Ra B	D 2460–07
	Gamma Spectrometry			7500-Ra E		7500-Ra E–07.
Radium 228	Radiochemical	904.0, Rev. 1.0 ⁶²	7500-Ra D	7500-Ra D
	Gamma Spectrometry			7500-Ra E		7500-Ra E–07.
	Gamma Spectrometry			7500-Ra E		7500-Ra E–07.
Uranium	Radiochemical		7500–U B	7500–U B
	ICP–MS		3125		D 5673–05, 10, 16
	Alpha spectrometry		7500–U C	7500–U C	D 3972–09
	Laser Phosphorimetry				D 5174–07
	Alpha Liquid Scintillation Spectrometry				D 6239–09
Man-Made:
Radioactive Cesium	Radiochemical		7500-Cs B	7500-Cs B
	Gamma Ray Spectrometry		7120	7120	D 3649–06
Radioactive Iodine	Radiochemical		7500–I B, 7500–I C, 7500–I D	7500–I B, 7500–I C, 7500–I D	D 3649–06
	Gamma Ray Spectrometry		7120	7120	D 4785–08, –20
Radioactive Strontium 89, 90	Radiochemical		7500-Sr B	7500-Sr B
Tritium	Liquid Scintillation		7500- ³ H B	7500- ³ H B	D 4107–08, –20
Gamma Emitters	Gamma Ray Spectrometry		7120, 7500-Cs B, 7500–I B	7120, 7500-Cs B, 7500–I B	D 3649–06, D 4785–08, –20

Organism	Methodology	SM 21st edition ¹	SM 22nd edition ²⁸	SM 23rd edition ⁴⁹	SM 24th edition ⁶⁶	SM online ³	Other
Total Coliform	Total Coliform Fermentation Technique	9221 A, B, C	9221 A, B, C	9221 A, B, C	9221 A, B, C	9221 A, B, C–06
	Total Coliform Membrane Filter Technique	9222 A, B, C		9222 A, B, C	9222 A, B, C
	ONPG–MUG Test	9223	9223 B	9223 B	9223 B	9223 B–04
Fecal Coliforms	Fecal Coliform Procedure	9221 E	9221 E	9221 E	9221 E	9221 E–06
	Fecal Coliform Filter Procedure	9222 D	9222 D	9222 D	9222 D	9222 D–06
Heterotrophic bacteria	Pour Plate Method	9215 B	9215 B	9215 B		9215 B–04
Turbidity	Nephelometric Method	2130 B	2130 B	2130 B	2130 B		Hach Method 8195, Rev. 3.0. ⁵²
	Laser Nephelometry (on-line)						Mitchell M5271, ¹⁰ Mitchell M5331, Rev. 1.2, ⁴² Lovibond PTV 6000. ⁴⁶
	LED Nephelometry (on-line)						Mitchell M5331, ¹¹ Mitchell M5331, Rev. 1.2, ⁴² Lovibond PTV 2000, ⁴⁵ Yokogawa 820. ⁶⁸
	LED Nephelometry (on-line)						AMI Turbiwell, ¹⁵ Lovibond PTV 1000. ⁴⁴
	LED Nephelometry (portable)						Orion AQ4500, ¹² Lovibond TB 3500, ⁶⁴ Lovibond TB 5000. ⁶⁵
	Laser Nephelometry (portable)						Lovibond TB 6000. ⁶³
	360° Nephelometry						Hach Method 10258, Rev. 1.0, ³⁹ Hach Method 10258, Rev. 2.0. ⁵¹

Residual	Methodology	EPA methods	SM 21st edition ¹	SM 22nd edition, ²⁸ SM 23rd edition, ⁴⁹ SM 24th edition ⁶⁶	ASTM ⁴	Other
Free Chlorine	Amperometric Titration		4500-Cl D	4500-Cl D	D 1253–08, –14
	DPD Ferrous Titrimetric		4500-Cl F	4500-Cl F
	DPD Colorimetric		4500-Cl G	4500-Cl G		Hach Method 10260. ³¹
	Indophenol Colorimetric					Hach Method 10241. ³⁴
	Syringaldazine (FACTS)		4500-Cl H	4500-Cl H
	On-line Chlorine Analyzer	EPA 334.0. ¹⁶
	Amperometric Sensor					ChloroSense, ¹⁷ ChloroSense, Rev. 1.1. ⁵⁹
Total Chlorine	Amperometric Titration		4500-Cl D	4500-Cl D	D 1253–08, –14
	Amperometric Titration (Low level measurement)		4500-Cl E	4500-Cl E
	DPD Ferrous Titrimetric		4500-Cl F	4500-Cl F
	DPD Colorimetric		4500-Cl G	4500-Cl G		Hach Method 10260. ³¹
	Indophenol Colorimetric	127. ⁵⁵
	Iodometric Electrode		4500-Cl I	4500-Cl I
	On-line Chlorine Analyzer	EPA 334.0. ¹⁶
	Amperometric Sensor					ChloroSense, ¹⁷ ChloroSense, Rev. 1.1. ⁵⁹
Chlorine Dioxide	Amperometric Titration		4500–ClO ₂ C	4500–ClO ₂ C
	Amperometric Titration		4500–ClO ₂ E	4500–ClO ₂ E
	Amperometric Sensor					ChlordioX Plus, ³² ChlordioX Plus, Rev. 1.1. ⁶⁰
Ozone	Indigo Method		4500–O ₃ B	4500–O ₃ B

Contaminant	Methodology	EPA method	ASTM ⁴	SM online ³	SM 21st edition ¹	SM 22nd edition, ²⁸ SM 23rd edition, ⁴⁹ SM 24th Edition ⁶⁶	Other
TTHM	P&T/GC/MS	524.3, ⁹ 524.4. ²⁹
HAA5	LLE (diazomethane)/GC/ECD			6251 B–07	6251 B	6251 B
	Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC–ESI–MS/MS)	557. ¹⁴
	Two-Dimensional Ion Chromatography (IC) with Suppressed Conductivity Detection						Thermo Fisher 557.1. ⁴⁷
Bromate	Two-Dimensional Ion Chromatography (IC)	302.0 ¹⁸
	Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC–ESI–MS/MS)	557. ¹⁴
	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-ClO ₂ E	4500-ClO ₂ E
	Amperometric Sensor						ChlordioX Plus, ³² ChlordioX Plus, Rev. 1.1. ⁶⁰

Parameter	Methodology	SM 21st edition ¹	SM 22nd edition ²⁸	SM 23rd edition, ⁴⁹ SM 24th edition ⁶⁶	SM online ³	EPA	Other
Total Organic Carbon (TOC)	High Temperature Combustion	5310 B	5310 B	5310 B		415.3, Rev 1.2 ¹⁹
	Persulfate-Ultraviolet or Heated Persulfate Oxidation	5310 C	5310 C	5310 C		415.3, Rev 1.2 ¹⁹	Hach Method 10267 ³⁸ .
	Wet Oxidation	5310 D	5310 D			415.3, Rev 1.2 ¹⁹
	Ozone Oxidation						Hach Method 10261 ³⁷ .
Specific Ultraviolet Absorbance (SUVA)	Calculation using DOC and UV ₂₅₄ data					415.3, Rev 1.2 ¹⁹
Dissolved Organic Carbon (DOC)	High Temperature Combustion	5310 B	5310 B	5310 B		415.3, Rev 1.2 ¹⁹
	Persulfate-Ultraviolet or Heated Persulfate Oxidation	5310 C	5310 C	5310 C		415.3, Rev 1.2 ¹⁹
	Wet Oxidation	5310 D	5310 D			415.3, Rev 1.2 ¹⁹
Ultraviolet absorption at 254 nm (UV ₂₅₄ )	Spectrophotometry	5910 B	5910 B	5910 B	5910 B–11	415.3, Rev 1.2 ¹⁹

Organism	Methodology	SM 20th edition ⁶	SM 21st edition ¹	SM 22nd edition ²⁸	SM 23rd edition, ⁴⁹ SM 24th edition ⁶⁶	SM online ³	Other
E. coli	Colilert		9223 B	9223 B	9223 B	9223 B–97, B–04
	Colisure		9223 B	9223 B	9223 B	9223 B–97, B–04
	Colilert-18	9223 B	9223 B	9223 B	9223 B	9223 B–97, B–04
	Readycult®						Readycult®. ²⁰
	Colitag						Modified Colitag ¹³ , Modified Colitag , Version 2.0. ⁶¹
	Chromocult®						Chromocult®. ²¹
	EC–MUG			9221 F	9221 F	9221 F–06
	NA–MUG				9222 I
	mColiBlue24 Test				9222 J
	Tecta EC/TC ³³⁴³
	RAPID'E.coli 2 ⁵⁶
Enterococci	Multiple-Tube Technique				9230 B	9230 B–04
	Membrane Filter Techniques				9230 C
	Fluorogenic Substrate Enterococcus Test (using Enterolert)				9230 D
Coliphage	Two-Step Enrichment Presence-Absence Procedure						Fast Phage. ³⁰

Organism	Methodology category	Method	SM 20th, 21st editions ¹⁶	SM 22nd edition ²⁸	SM 23rd edition, ⁴⁹ SM 24th edition ⁶⁶	SM online ³
Total Coliforms	Lactose Fermentation Methods	Standard Total Coliform Fermentation Technique		9221 B.1, B.2	9221 B.1, B.2, B.3, B.4	9221 B.1, B.2–06.
		Presence-Absence (P–A) Coliform Test			9221 D.1, D.2, D.3
	Membrane Filtration Methods	Standard Total Coliform Membrane Filter Procedure using Endo Media			9222 B, C
		Simultaneous Detection of Total Coliforms and E. coli by Dual Chromogen Membrane Filter Procedure (using mColiBlue24 medium)			9222 J
		Simultaneous Detection of Total Coliform Bacteria and Escherichia coli Using RAPID' E.coli (REC2) in Drinking Water ⁵⁶
	Enzyme Substrate Methods	Colilert®		9223 B	9223 B	9223 B–04.
		Colisure®		9223 B	9223 B	9223 B–04.
		Colilert-18	9223 B	9223 B	9223 B	9223 B–04.
		Tecta EC/TC ³³⁴³
		Modified Colitag , Version 2.0 ⁶¹
Escherichia coli	Escherichia coli Procedure (following Lactose Fermentation Methods)	EC–MUG medium		9221 F.1	9221 F.1	9221 F.1–06.
	Escherichia coli Partitioning Methods (following Membrane Filtration Methods)	EC broth with MUG (EC–MUG)			9222 H
		NA–MUG medium			9222 I
	Simultaneous Detection of Total Coliforms and E. coli by Dual Chromogen Membrane Filter Procedure	mColiBlue24 medium			9222 J
	Membrane Filtration Method	Simultaneous Detection of Total Coliform Bacteria and Escherichia coli Using RAPID' E.coli (REC2) in Drinking Water ⁵⁶
	Enzyme Substrate Methods	Colilert®		9223 B	9223 B	9223 B–04.
		Colisure®		9223 B	9223 B	9223 B–04.
		Colilert-18	9223 B	9223 B	9223 B	9223 B–04.
		Tecta EC/TC ³³⁴³
		Modified Colitag , Version 2.0 ⁶¹

Contaminant	Methodology	EPA method	ASTM ⁴	SM 21st edition ¹	SM 22nd edition, ²⁸ SM 23rd edition, ⁴⁹ SM 24th edition ⁶⁶	SM online ³
Aluminum	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Atomic Absorption; Direct			3111 D	3111 D
	Atomic Absorption; Furnace			3113 B	3113 B	3113 B–04, B–10.
	Inductively Coupled Plasma			3120 B	3120 B
Chloride	Silver Nitrate Titration		D 512–04 B, 12 B	4500–Cl ⁻ B	4500–Cl ⁻ B
	Ion Chromatography		D 4327–11, –17	4110 B	4110 B
	Potentiometric Titration			4500–Cl ⁻ D	4500–Cl ⁻ D
Color	Visual Comparison			2120 B	2120 B
Foaming Agents	Methylene Blue Active Substances (MBAS)			5540 C	5540 C
Iron	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Atomic Absorption; Direct			3111 B	3111 B
	Atomic Absorption; Furnace			3113 B	3113 B	3113 B–04, B–10
	Inductively Coupled Plasma			3120 B	3120 B
Manganese	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Atomic Absorption; Direct			3111 B	3111 B
	Atomic Absorption; Furnace			3113 B	3113 B	3113 B–04, B–10.
	Inductively Coupled Plasma			3120 B	3120 B
Odor	Threshold Odor Test			2150 B	2150 B
Silver	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Atomic Absorption; Direct			3111 B	3111 B
	Atomic Absorption; Furnace			3113 B	3113 B	3113 B–04, B–10.
	Inductively Coupled Plasma			3120 B	3120 B
Sulfate	Ion Chromatography		D 4327–11, –17	4110 B	4110 B
	Gravimetric with ignition of residue			4500–SO ₄²⁻ C	4500–SO ₄²⁻ C	4500–SO ₄²⁻ C–97.
	Gravimetric with drying of residue			4500–SO ₄²⁻ D	4500–SO ₄²⁻ D	4500–SO ₄²⁻ D–97.
	Turbidimetric method		D 516–07, 11, 16	4500–SO ₄²⁻ E	4500–SO ₄²⁻ E	4500–SO ₄²⁻ E–97.
	Automated methylthymol blue method			4500–SO ₄²⁻ F	4500–SO ₄²⁻ F	4500–SO ₄²⁻ F–97.
Total Dissolved Solids	Total Dissolved Solids Dried at 180 deg C			2540 C	2540 C
Zinc	Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP–AES)	200.5, Revision 4.2 ²
	Atomic Absorption; Direct Aspiration			3111 B	3111 B
	Inductively Coupled Plasma			3120 B	3120 B