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89 FR 24 pgs. 7624-7625 - Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures

Type: RULEVolume: 89Number: 24Pages: 7624 - 7625
Docket number: [EPA-HQ-OW-2023-0541; FRL-11620-01-OW]
FR document: [FR Doc. C1-2024-01530 Filed 2-2-24; 8:45 am]
Agency: Environmental Protection Agency
Official PDF Version:  PDF Version
Pages: 7624, 7625

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 141

[EPA-HQ-OW-2023-0541; FRL-11620-01-OW]

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 2024-1530 beginning on page 5773 in the issue of Tuesday, January 30, 2024, make the following corrections:

1. On page 5790, table "Alternative Testing Methods for Disinfectant Residuals Listed at 40 CFR 141.131(c)(1)" should have the column headings:
Residual Methodology SM 21st edition? 1 SM 22nd edition, 28 SM 23rd edition, 49 SM 24th edition? 66 ASTM? 4 Other

2. On the same page, table "Alternative Testing Methods for Parameters Listed at 40 CFR 141.131(d)" should have column headings that appear as follows:
Parameter Methodology SM 21st edition? 1 SM 22nd edition? 28 SM 23rd edition, 49 SM 24th edition? 66 SM online? 3 EPA Other

3. On the same page, table "Alternative Testing Methods for Contaminants Listed at 40 CFR 141.402(c)(2)" should have column headings that appear as follows:
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

4. On the same page, table "Alternative Testing Methods for Contaminants Listed at 40 CFR 141.852(a)(5)" should have column headings that appear as follows:
Organism Methodology category Method SM 20th, 21st editions? 1 ? 6 SM 22nd edition? 28 SM 23rd edition, 49 SM 24th edition? 66 SM online? 3

5. On page 5792, table "Alternative Testing Methods for Contaminants Listed at 40 CFR 143.4(b)" should have column headings that appear as follows:
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

6. On the same page, table "Alternative Testing Methods for Contaminants Listed at 40 CFR 143.4(b), the entry for Chloride should read as follows:
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


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7. On the same page, in the same table, the entry for Sulfate should read as follows:
Sulfate Ion chromatography D 4327-11, -17 4110 B 4110 B
Gravimetric with ignition of residue 4500-SO 4 2- C 4500-SO 4 2- C 4500-SO 4 2- C-97.
Gravimetric with drying of residue 4500-SO 4 2- D 4500-SO 4 2- D 4500-SO 4 2- D-97.
Turbidimetric method D 516-07, 11, 16 4500-SO 4 2- E 4500-SO 4 2- E 4500-SO 4 2- E-97.
Automated methylthymol blue method 4500-SO 4 2- F 4500-SO 4 2- F 4500-SO 4 2- F-97.

[FR Doc. C1-2024-01530 Filed 2-2-24; 8:45 am]

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