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Performance Claims (continued)
ORGANIC CHEMICALS REDUCED BY CHLOROFORM SURROGATE TESTING
Average
Contaminant
Influent
(µg/L)
Alachlor
Atrazine
Benzene
Carbofuran
Carbon Tetrachloride
Chlorobenzene
Chloropicrin
2,4-D
Dibromochloropropane
(DBCP)
o-Dichlorobenzene
p-Dichlorobenzene
1,2-Dichloroethane
1,1-Dichloroethylene
cis-1,2-
Dichloroethylene
trans-1,2-
Dichloroethylene
1,2-Dichloropropane
cis-1,3-
Dichloropropylene
Dinoseb
Endrin
Ethylbenzene
Ethylene Dibromide
(EDB)
Haloacetonitriles (HAN):
Bromochloroacteonitrile
Dibromoacetonitrile
Dichloroacetonitrile
Trichloroacetonitrile
Influent challenge levels are average influent concentrations determined in surrogate qualification testing.
Micrograms per liter, which is equivalent to parts per billion (PPB).
k
Maximum product water level was not observed, but set at the detection limit of the analysis.
l
Maximum product water level set at a value determined in surrogate qualification testing.
m
Chemical reduction percent and maximum product water level calculated at chloroform 95% breakthrough point,
n
as determined in surrogate qualification testing.
The surrogate test results for Heptachlor Epoxide demonstrated a 98% reduction. These data were used to cal-
o
culate an upper occurrence concentration, which would produce a maximum product water level at the MCL.
Environmental Protection Agency maximum contaminant level as required under the Safe Drinking Water Act.
p
Maximum
Percent
Effluent
Removal
(µg/L)
k
k
50
1.0
>98
l
100
3.0
>97
l
81
1.0
99
l
190
1.0
>99
l
78
1.8
98
m
77
1.0
99
l
15
0.2
99
m
110
1.7
98
m
52
0.02
>99
l
80
1.0
99
l
40
1.0
98
l
88
4.8
95
n
n
83
1.0
99
l
170
0.5
>99
l
86
1.0
99
l
80
1.0
99
l
79
1.0
99
l
170
0.2
99
m
53
0.59
99
m
88
1.0
99
l
44
0.02
>99
l
22
0.5
98
m
24
0.6
98
m
9.6
0.2
98
m
15
0.3
98
m
EPA
MCL
Contaminant
p
(µg/L)
k
2.0
Haloketones (HK):
3.0
1,1-Dichloro-2-
propanone
5.0
1,1,1-Trichloro-2-
40
propanone
5.0
Heptachlor
100
Heptachlor Epoxide
NA
Hexachlorobutadiene
70
Hexachlorocyclopenta-
diene
0.2
Lindane
600
Methoxychlor
75
Pentachlorophenol
5.0
Simazine
7.0
Styrene
70
1,1,2,2-Tetrachloroethane
Tetrachloroethylene
100
Toluene
2,4,5-TP (Silvex)
5.0
Tribromoacetic Acid
NA
1,2,4-Trichlorobenzene
7.0
1,1,1-Trichloroethane
2.0
1,1,2-Trichloroethane
700
Trichloroethylene
Trihalomethanes (incl.):
0.05
Chloroform
(surrogate chemical)
NA
Bromoform
NA
Bromodichloromethane
NA
Chlorodibromomethane
NA
Xylenes (total)
4
Average
Maximum
Percent
Influent
Effluent
Removal
(µg/L)
(µg/L)
k
k
7.2
0.1
99
m
8.2
0.3
96
o
m
25
0.01
>99
l
10.7
0.2
98
o
o
44
1.0
98
l
60
0.002
>99
l
55
0.01
>99
l
50
0.1
>99
l
96
1.0
99
l
120
4.0
97
l
150
0.5
>99
l
81
1.0
99
l
81
1.0
99
l
78
1.0
99
l
270
1.6
99
l
42
1.0
98
l
160
0.5
>99
l
84
4.6
95
m
150
0.5
>99
l
180
1.0
>99
l
300
15
95
70
1.0
99
l
EPA
MCL
p
(µg/L)
k
NA
NA
0.4
0.2
NA
50
0.2
40
1.0
4.0
100
NA
5.0
1,000
50
NA
70
200
5.0
5.0
80
10,000
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