[Federal Register Volume 74, Number 230 (Wednesday, December 2, 2009)] [Rules and Regulations] [Pages 63069-63070] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: Z9-27044] ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 141 [EPA-HQ-OW-2009-0707; FRL-8979-5] 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 E9-27044 beginning on page 57908 in the issue of November 10, 2009, make the following correction: 1. On page 57915, the second table should appear as follows: Alternative Testing Methods for Contaminants Listed at 40 CFR 141.21(f)(6) -------------------------------------------------------------------------------------------------------------------------------------------------------- Organism Methodology SM 20th edition \6\ SM 21st edition \1\ SM online \3\ Other -------------------------------------------------------------------------------------------------------------------------------------------------------- E. coli....................... ONPG-MUG Test.... 9223 B 9223 B 9223 B-97 ............................. Modified Colitag \TM\ \13\ -------------------------------------------------------------------------------------------------------------------------------------------------------- 2. On page 57917, the first table should appear as follows: [[Page 63070]] Alternative Testing Methods for Contaminants Listed at 40 CFR 141.131(b)(1) -------------------------------------------------------------------------------------------------------------------------------------------------------- Contaminant Methodology EPA method ASTM \4\ SM 21st edition \1\ -------------------------------------------------------------------------------------------------------------------------------------------------------- * * * * * * HAA5............................... LLE (diazomethane)/GC/ ........................... .......................... 6251 B ECD. Ion Chromatography 557 \14\ .......................... .................................. Electrospray Ionization Tandem Mass Spectrometry (IC- ESI-MS/MS). Bromate............................ Two-Dimensional Ion 302.0 \18\ .......................... .................................. Chromatography (IC). Ion Chromatography 557 \14\ .......................... .................................. Electrospray Ionization Tandem Mass Spectrometry (IC- ESI-MS/MS). Chemically Suppressed ........................... D 6581-08 A .................................. Ion Chromatography. Electrolytically ........................... D 6581-08 B .................................. Suppressed Ion Chromatography. Chlorite........................... Chemically Suppressed ........................... D 6581-08 A .................................. Ion Chromatography. Electrolytically ........................... D 6581-08 B .................................. Suppressed Ion Chromatography. -------------------------------------------------------------------------------------------------------------------------------------------------------- 3. On page 57917, the fourth table heading, Alternative Testing Methods With MRL > 0.0010 mg/L for Monitoring Listed at 40 CFR 141.132(b)(3)(ii)(B) should read Alternative Testing Methods With MRL <= 0.0010 mg/L for Monitoring Listed at 40 CFR 141.132(b)(3)(ii)(B). 4. On page 57918, the table should appear as follows: Alternative Testing Methods for Contaminants Listed at 40 CFR 143.4(b) -------------------------------------------------------------------------------------------------------------------------------------------------------- Contaminant Methodology EPA Method ASTM \4\ SM 21st edition \1\ SM Online \3\ -------------------------------------------------------------------------------------------------------------------------------------------------------- * * * * * * * Sulfate................. Ion Chromatography. ........................ ........................ 4110 B ........................... Gravimetric with ........................ ........................ 4500-SO4-2 C 4500-SO4-2 C-97 ignition of residue. Gravimetric with ........................ ........................ 4500-SO4-2 D 4500-SO4-2 D-97 drying of residue. Turbidimetric ........................ D 516-07 4500-SO4-2 E 4500-SO4-2 E-97 method. Automated ........................ ........................ 4500-SO4-2 F 4500-SO4-2 F-97 methylthymol blue method. * * * * * * * -------------------------------------------------------------------------------------------------------------------------------------------------------- [FR Doc. Z9-27044 Filed 12-1-09; 8:45 am] BILLING CODE 1505-01-D