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