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 Environmental Protection Agency 40 CFR Part 141
[EPA-HQ-OW-2009-0707; FRL-8979-5]


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-97Modified Colitag TM13
 2. On page 57917, the first table should appear as follows:
                    ( print 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/ECD


6251 BIon Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS)
557 14Bromate
Two-Dimensional Ion Chromatography (IC)
302.0 18Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS)
557 14Chemically Suppressed Ion Chromatography

D 6581-08 AElectrolytically Suppressed Ion Chromatography

D 6581-08 BChlorite
Chemically Suppressed Ion Chromatography

D 6581-08 AElectrolytically Suppressed Ion Chromatography

D 6581-08 B
 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 BGravimetric with ignition of residue


4500-SO4−2
                             C
4500-SO4−2
                             C-97Gravimetric with drying of residue


4500-SO4−2
                             D
4500-SO4−2
                             D-97Turbidimetric method

D 516-07
4500-SO4−2
                             E
4500-SO4−2
                             E-97Automated methylthymol blue method


4500-SO4−2
                             F
4500-SO4−2
                             F-97*         *         *         *         *         *         *


[FR Doc. Z9-27044 Filed 12-1-09; 8:45 am] BILLING CODE 1505-01-D