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Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures 

---
identifier: "/us/fr/C1-2013-12729"
source: "fr"
legal_status: "authoritative_unofficial"
title: "Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures"
title_number: 0
title_name: "Federal Register"
section_number: "C1-2013-12729"
section_name: "Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures"
positive_law: false
currency: "2013-06-21"
last_updated: "2013-06-21"
format_version: "1.1.0"
generator: "[email protected]"
agency: "Environmental Protection Agency"
document_number: "C1-2013-12729"
document_type: "rule"
publication_date: "2013-06-21"
agencies:
  - "Environmental Protection Agency"
cfr_references:
  - "40 CFR Part 141"
fr_citation: "78 FR 37463"
fr_volume: 78
docket_ids:
  - "EPA-HQ-OW-2013-0300"
  - "FRL-9818-2"
---

#  Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures

**Correction**

In rule document 2013-12729, appearing on pages 32558-32574 in the issue of Friday, May 31, 2013, make the following correction:

**40 CFR Part 141**

**PART 141—[CORRECTED]**

Beginning on page 32570, with the table entitled “ALTERNATIVE TESTING METHODS FOR CONTAMINANTS LISTED AT 40 CFR 141.25(A)”, the tables are corrected to read as set forth below:

| Contaminant | Methodology | SM 21st Edition | SM 22nd | ASTM |
| --- | --- | --- | --- | --- |
| Naturally Occurring: |  |  |  |  |
| Gross alpha and beta | Evaporation | 7110 B | 7110 B |  |
| Gross alpha | Coprecipitation | 7110 C | 7110 C |  |
| Radium 226 | Radon emanation | 7500-Ra C | 7500-Ra C | D3454-05 |
|  | Radiochemical | 7500-Ra B | 7500-Ra B | D2460-07 |
| Radium 228 | Radiochemical | 7500-Ra D | 7500-Ra D |  |
| Uranium | Radiochemical | 7500-U B | 7500-U B |  |
|  | ICP-MS | 3125 |  | D5673-05, 10 |
|  | Alpha spectrometry | 7500-U C | 7500-U C | D3972-09 |
|  | Laser Phosphorimetry |  |  | D5174-07 |
|  | Alpha Liquid Scintillation Spectrometry |  |  | D6239-09 |
| Man-Made: |  |  |  |  |
| Radioactive Cesium | Radiochemical | 7500-Cs B | 7500-Cs B |  |
|  | Gamma Ray Spectrometry | 7120 | 7120 | D3649-06 |
| Radioactive Iodine | Radiochemical | 7500-I B | 7500-I B | D3649-06 |
|  |  | 7500-I C | 7500-I C |  |
|  |  | 7500-I D | 7500-I D |  |
|  | Gamma Ray Spectrometry | 7120 | 7120 | D4785-08 |
| Radioactive Strontium 89, 90 | Radiochemical | 7500-Sr B | 7500-Sr B |  |
| Tritium | Liquid Scintillation | 7500-
                            
                            H B | 7500-
                            
                            H B | D4107-08 |
| Gamma Emitters | Gamma Ray Spectrometry | 7120 | 7120 | D3649-06 |
|  |  | 7500-Cs B | 7500-Cs B | D4785-08 |
|  |  | 7500-I B | 7500-I B |  |

| Organism | Methodology | SM 21st Edition | SM 22nd | Other |
| --- | --- | --- | --- | --- |
| Total Coliform | Total Coliform Fermentation Technique | 9221 A, B, C | 9221 A, B, C |  |
|  | Total Coliform Membrane Filter Technique | 9222 A, B, C |  |  |
|  | ONPG-MUG Test | 9223 | 9223 B |  |
| Fecal Coliforms | Fecal Coliform Procedure | 9221 E | 9221 E |  |
|  | Fecal Coliform Filter Procedure | 9222 D | 9222 D |  |
| Heterotrophic bacteria | Pour Plate Method | 9215 B | 9215 B |  |
| Turbidity | Nephelometric Method | 2130 B | 2130 B |  |
|  | Laser Nephelometry (on-line) |  |  | Mitchell M5271 |
|  | LED Nephelometry (on-line) |  |  | Mitchell M5331 |
|  | LED Nephelometry (on-line) |  |  | AMI Turbiwell |
|  | LED Nephelometry (portable) |  |  | Orion AQ4500 |

| Residual | Methodology | SM 21st | SM 22nd Edition | ASTM | Other |
| --- | --- | --- | --- | --- | --- |
| Free Chlorine | Amperometric Titration | 4500-Cl D | 4500-Cl D | D 1253-08 |  |
|  | DPD Ferrous Titrimetric | 4500-Cl F | 4500-Cl F |  |  |
|  | DPD Colorimetric | 4500-Cl G | 4500-Cl G |  |  |
|  | Syringaldazine (FACTS) | 4500-Cl H | 4500-Cl H |  |  |
|  | On-line Chlorine Analyzer |  |  |  | EPA 334.0 |
|  | Amperometric Sensor |  |  |  | ChloroSense |
| Total Chlorine | Amperometric Titration | 4500-Cl D | 4500-Cl D | D 1253-08 |  |
|  | 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 |  |  |
|  | Iodometric Electrode | 4500-Cl I | 4500-Cl I |  |  |
|  | On-line Chlorine Analyzer |  |  |  | EPA 334.0 |
|  | Amperometric Sensor |  |  |  | ChloroSense |
| Chlorine Dioxide | Amperometric Titration | 4500-ClO
                            
                             C | 4500-ClO
                            
                             C |  |  |
|  | Amperometric Titration | 4500-ClO
                            
                             E | 4500-ClO
                            
                             E |  |  |
| Ozone | Indigo Method | 4500-O
                            
                             B | 4500-O
                            
                             B |  |  |

| Contaminant | Methodology | EPA method | ASTM | SM 21st | SM 22nd |
| --- | --- | --- | --- | --- | --- |
| TTHM | P&T/GC/MS | 524.3 
                            
                            , |  |  |  |
| HAA5 | LLE (diazomethane)/GC/ECD |  |  | 6251 B | 6251 B. |
|  | Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS) | 557 |  |  |  |
| Bromate | Two-Dimensional Ion Chromatography (IC) | 302.0 |  |  |  |
|  | Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS) | 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-ClO
                            
                             E | 4500-ClO
                            
                             E. |

| Residual | Methodology | SM 21st | SM 22nd | ASTM | Other |
| --- | --- | --- | --- | --- | --- |
| Free Chlorine | Amperometric Titration | 4500-Cl D | 4500-Cl D | D 1253-08 |  |
|  | DPD Ferrous Titrimetric | 4500-Cl F | 4500-Cl F |  |  |
|  | DPD Colorimetric | 4500-Cl G | 4500-Cl G |  |  |
|  | Syringaldazine (FACTS) | 4500-Cl H | 4500-Cl H |  |  |
|  | Amperometric Sensor |  |  |  | ChloroSense. |
|  | On-line Chlorine Analyzer |  |  |  | EPA 334.0. |
| Combined Chlorine | Amperometric Titration | 4500-Cl D | 4500-Cl D | D 1253-08 |  |
|  | DPD Ferrous Titrimetric | 4500-Cl F | 4500-Cl F |  |  |
|  | DPD Colorimetric | 4500-Cl G | 4500-Cl G |  |  |
| Total Chlorine | Amperometric Titration | 4500-Cl D | 4500-Cl D | D 1253-08 |  |
|  | Low level Amperometric Titration | 4500-Cl E | 4500-Cl E |  |  |
|  | DPD Ferrous Titrimetric | 4500-Cl F | 4500-Cl F |  |  |
|  | DPD Colorimetric | 4500-Cl G | 4500-Cl G |  |  |
|  | Iodometric Electrode | 4500-Cl I | 4500-Cl I |  |  |
|  | Amperometric Sensor |  |  |  | ChloroSense. |
|  | On-line Chlorine Analyzer |  |  |  | EPA 334.0. |
| Chlorine Dioxide | Amperometric Method II | 4500-ClO
                            
                             E | 4500-ClO
                            
                             E |  |  |

| Parameter | Methodology | SM 21st | SM 22nd | EPA |
| --- | --- | --- | --- | --- |
| Total Organic Carbon (TOC) | High Temperature Combustion | 5310 B | 5310 B | 415.3, Rev 1.2 |
|  | Persulfate-Ultraviolet or Heated Persulfate Oxidation | 5310 C | 5310 C | 415.3, Rev 1.2 |
|  | Wet Oxidation | 5310 D | 5310 D | 415.3, Rev 1.2 |
| Specific Ultraviolet Absorbance (SUVA) | Calculation using DOC and UV
                            
                             data |  |  | 415.3, Rev 1.2 |
| Dissolved Organic Carbon (DOC) | High Temperature Combustion | 5310 B | 5310 B | 415.3, Rev 1.2 |
|  | Persulfate-Ultraviolet or Heated Persulfate Oxidation | 5310 C | 5310 C | 415.3, Rev 1.2 |
|  | Wet Oxidation | 5310 D | 5310 D | 415.3, Rev 1.2 |
| Ultraviolet absorption at 254 nm (UV
                            
                            ) | Spectrophotometry | 5910 B | 5910 B | 415.3, Rev 1.2 |

| Organism | Methodology | SM 20th | SM 21st | SM 22nd | SM Online | Other |
| --- | --- | --- | --- | --- | --- | --- |
|  | Colilert® |  | 9223 B | 9223 B |  |  |
|  | Colisure® |  | 9223 B | 9223 B |  |  |
|  | Colilert-18 | 9223 B | 9223 B | 9223 B |  |  |
|  | Readycult® |  |  |  |  | Ready |
|  | Colitag |  |  |  |  | Modified Colitag |
|  | Chromocult® |  |  |  |  | Chromo |
|  | EC-MUG |  |  |  |  |  |
| Enterococci | Multiple-Tube Technique |  |  |  |  |  |
| Coliphage | Two-Step Enrichment Presence-Absence Procedure |  |  |  |  | Fast Phage |

| Organism | Methodology category | Method | SM 22nd Edition |
| --- | --- | --- | --- |
| Total Coliforms | Lactose Fermentation Methods | Standard Total Coliform Fermentation Technique | 9221 B.1, B.2 |
|  | Enzyme Substrate Methods | Colilert® | 9223 B |
|  |  | Colisure® | 9223 B |
|  | Procedure (following Lactose Fermentation Methods) | EC-MUG medium | 9221 F.1 |
|  | Enzyme Substrate Methods | Colilert® | 9223 B |
|  |  | Colisure® | 9223 B |

| Contaminant | Methodology | EPA method | ASTM | SM 21st | SM 22nd | SM online |
| --- | --- | --- | --- | --- | --- | --- |
| Aluminum | Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) | 200.5, Revision 4.2 |  |  |  |  |
|  | Atomic Absorption; Direct |  |  | 3111 D | 3111 D |  |
|  | Atomic Absorption; Furnace |  |  | 3113 B | 3113 B | 3113 B-04 |
|  | Inductively Coupled Plasma |  |  | 3120 B | 3120 B |  |
| Chloride | Silver Nitrate Titration |  | D 512-04 B | 4500-Cl
                            
                             B | 4500-Cl
                            
                             B |  |
|  | Ion Chromatography |  |  | 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 |  |  |  |  |
|  | Atomic Absorption; Direct |  |  | 3111 B | 3111 B |  |
|  | Atomic Absorption; Furnace |  |  | 3113 B | 3113 B | 3113 B-04 |
|  | Inductively Coupled Plasma |  |  | 3120 B | 3120 B |  |
| Manganese | Axially viewed inductively coupled plasma-atomic emission spectrometry (AVICP-AES) | 200.5, Revision 4.2 |  |  |  |  |
|  | Atomic Absorption; Direct |  |  | 3111 B | 3111 B |  |
|  | Atomic Absorption; Furnace |  |  | 3113 B | 3113 B | 3113 B-04 |
|  | 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 |  |  |  |  |
|  | Atomic Absorption; Direct |  |  | 3111 B | 3111 B |  |
|  | Atomic Absorption; Furnace |  |  | 3113 B | 3113 B | 3113 B-04 |
|  | Inductively Coupled Plasma |  |  | 3120 B | 3120 B |  |
| Sulfate | Ion Chromatography |  |  | 4110 B | 4110 B |  |
|  | Gravimetric with ignition of residue |  |  | 4500-SO
                            
                              
                            
                             C | 4500-SO
                            
                              
                            
                             C | 4500-SO
                            
                              
                            
                             C-97 |
|  | Gravimetric with drying of residue |  |  | 4500-SO
                            
                              
                            
                             D | 4500-SO
                            
                              
                            
                             D | 4500-SO
                            
                              
                            
                             D-97 |
|  | Turbidimetric method |  | D 516-07, 11 | 4500-SO
                            
                              
                            
                             E | 4500-SO
                            
                              
                            
                             E | 4500-SO
                            
                              
                            
                             E-97 |
|  | Automated methylthymol blue method |  |  | 4500-SO
                            
                              
                            
                             F | 4500-SO
                            
                              
                            
                             F | 4500-SO
                            
                              
                            
                             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 |  |  |  |  |
|  | Atomic Absorption; Direct Aspiration |  |  | 3111 B | 3111 B |  |
|  | Inductively Coupled Plasma |  |  | 3120 B | 3120 B |  |