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NSF/ANSI Standard 53 - Health Effects - Volatile Organic Chemicals (VOC's) included by surrogate testing*
Chemical Contaminant Influent Challenge NSF Maximum Permissible Chemical Reduction
Concentration {mg/L) Level Concentration {mg/L) Percent {%)
Carbofuran 0.190 0.001 >99
Carbon tetrachloride 0.078 0.0018 98
Chloropicrin 0.015 0.0002 99
2,4, D 0.110 0.0017 98
Dibromochloropropane (DBCP) 0.052 0.00002 >99
p-Dichlorobenzene 0.040 0.001 >98
1,2-Dichloroethane 0.088 0.0048 95
1,1-Dichloroethylene 0.083 0.001 >99
Cis-1,2-Dichloroethylene 0.170 0.0005 >99
Trans-1,2-Dichloroethylene 0.086 0.001 >99
1,2-Dichloropropane 0.080 0.001 >99
Cis-1,3-Dichloropropylene 0.079 0.001 >99
Dinoseb 0.170 0.0002 99
Ethylene dibromide (EDB) 0.044 0.00002 >99
Haloacetonitriles (HAN):
Bromochloroacetonitrile 0.022 0.0005 98
Dibromoacetonitrile 0.024 0.0006 98
Dichloroacetonitrile 0.0096 0.0002 98
Trichloroacetonitrile 0.015 0.0003 98
Haloketones (HK):
1,1-Dichloro-2-Propanone 0.0072 0.0001 99
1,1,1 -Trichloro-2-Propanone 0.0082 0.0003 96
Heptachlor (H-34, Heptox) 0.25 0.00001 >99
Heptachlor epoxide 0.0107 0.0002 98
Hexachlorobutadiene 0.044 0.001 >98
Hexachlorocyclopentadiene 0.060 0.000002 >99
Methoxychlor 0.05 0.0001 >99
Pentachlorophenol 0.096 0.001 >99
Simazine 0.120 0.004 >97
Styrene 0.150 0.0005 >99
1,1,2,2-Tetrachloroethane 0.081 0.001 >99
Toluene 0.078 0.001 >99
2,4,5 TP (Silvex) 0.270 0.0016 99
Tribromoacetic Acid 0.042 0.001 >98
1,2,4-Trichlorobenzene 0.160 0.0005 >99
1,1,1 -Trichloroethane 0.084 0.0046 95
1,1,2-Trichloroethane 0.150 0.0005 >99
Trichloroethylene 0.180 0.0010 >99
Xylenes 0.070 0.001 >99
*Chloroform was used as the surrogate chemical for VOC reduction claims
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