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Ciba Geigy Health Assessment
(Dover Township) Toms River, New Jersey
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Table 4 - Concentrations of contaminants in untreated, blended groundwater extrated from Ciba-Geigy site extraction well, average value from January to March 1999, results in micograms per liter (µg/l, or parts per billion). Data source:Ciba, 1999a.
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Contaminant |
Blended
Untreated
water |
MCL |
ESD |
GREG |
Other
Comparison
Values |
|
1,1,1-Tri
chloroethane |
0.8 |
26 |
15 |
-- |
200 (LTHA) |
|
1,1-Dichloro-
ethylene |
0.3 |
2 |
2 |
0.06 |
90 |
|
1,2,3-Tri
chloro
benzene |
18** |
ND |
8 |
-- |
40(RMEG |
|
1,2,4-Tri
chloro
benzene |
99** |
8 |
5 |
-- |
70(LTHA) |
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cis-1,2-Di-
chloro
ethylene |
42** |
10 |
5 |
-- |
70(LTHA) |
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1,2-Dichloro
benzene |
190** |
600 |
77 |
-- |
600(LTHA) |
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1,2-Dichloro
ethane |
0.3 |
2 |
2 |
0.4 |
700(LTHA) |
|
1,2-Dichloro
propane |
1.2** |
5 |
1 |
-- |
900 |
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trans-
1,2-Dichloro
ethlyene |
1.9 |
10 |
10 |
-- |
100(LTHA) |
|
1,3-Dichloro
benzene |
5.8 |
600 |
31 |
-- |
600(LTHA) |
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1,4-Dichloro
benzene |
21** |
75 |
10 |
-- |
75(LTHA) |
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Benzene |
3.8** |
1 |
1 |
1 |
-- |
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Chloro
benzene |
170** |
4 |
3 |
-- |
100(LTHA) |
|
Chloroform |
1.6 |
100 |
3 |
6 |
100 |
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Ethyl
benzene |
1.5 |
700 |
32 |
-- |
700(LTHA) |
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Naphthalene |
12 |
ND |
15 |
-- |
20(LTHA) |
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Nitro
benzene |
31** |
ND |
10 |
-- |
5(RMEG) |
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0-Chloro-
toluene |
150 |
ND |
Monitor |
-- |
100(LTHA) |
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p-Chloro-
toluene |
12 |
ND |
Monitor |
-- |
100(LTHA) |
** = Exceeds MCL,ESD, or Comparison Value
-- = Not Established
ND = Not Detected
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