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Ciba Geigy Health Assessment
(Dover Township) Toms River, New Jersey
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Table 2 - Comparison Values (CVs) and cleanup standards for groundwater pollutants to be monitored under the Ciba Geigy site Record of Decision (ROD), as amended by the Explanation of Significant Differences (ESD), in micrograms per Liter (µg/l, or parts per billion).
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Contaminant |
ATSDR Child CV or USEPA Health Advisory |
ATSDR Child CV or USEPA Health Advisory |
ATSDR CREG(µg/l) |
Drinking Water MCL |
ESD Cleanup Standard |
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|
Benzene |
-- |
-- |
1 |
1 |
1 |
|
|
Chlorobenzene |
4,000 |
1000 |
N/A |
4 |
3 |
|
|
Chloroform |
100 |
400 |
6 |
100 |
3 |
|
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Dibromo-
chloromethane |
ND |
ND |
5 |
-- |
1 |
|
|
1,2-Dichloro-
ethane |
2000 |
7000 |
0.4 |
2 |
2 |
|
|
Carbon
tetrachloride |
7 |
20 |
0.3 |
2 |
2 |
|
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Ethyl
benzene |
1000 |
700 |
N/A |
700 |
32 |
|
|
Toluene |
200 |
700 |
N/A |
1000 |
26 |
|
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1,1-Dichloro-
ethylene |
90 |
300 |
0.06 |
2 |
2 |
|
|
trans-
1,3-Dichloro-
propene |
-- |
-- |
-- |
-- |
Monitor |
|
|
Tetrachloro-
ethylene |
100 |
400 |
0.7 |
1 |
1 |
|
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Trichloro-
ethylene |
20 |
70 |
3 |
1 |
1 |
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1,1,2,2-Tetra-
chloroethane |
3000 |
10000 |
0.2 |
-- |
2 |
|
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1,1,1-Tri-
chloroethane |
40000 |
200 |
N/A |
26 |
15 |
|
|
Methylene
chloride |
600 |
2000 |
5 |
2 |
2 |
|
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Dichloro-
benzene |
1000 |
75 |
-- |
75 |
77 (ortho-)
31 (meta-)
10 (para-) |
|
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Bis (2-ethylhexyl)
phthalate |
200 |
700 |
3 |
6 |
30 |
|
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Naphthalene |
400 |
20 |
N/A |
-- |
15 |
|
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Nitro-
benzene |
5 |
20 |
N/A |
-- |
10 |
|
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Phenol/FONT> |
6000 J |
20000 |
N/A |
-- |
10 |
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1,2-Dichloro-
ethylene |
200
(trans-) |
700
(trans-) |
N/A |
10 |
10(trans-)
5(cis-) |
|
|
1,2,4-Tri-
chloro
benzene |
100 |
70 |
N/A |
8 |
5 |
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Vinyl
Chloride |
0.2 |
0.7 |
-- |
2 |
2 |
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Xylenes |
2000 |
7000 |
N/A |
44 |
20 |
|
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1,2-Dichloro-
propane |
900 |
3000 |
N/A |
5 |
1 |
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1,2,3-Trichloro-
propane |
60 |
200 |
N/A |
-- |
20 |
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Acrylonitrile |
100 |
400 |
0.06 |
-- |
50 |
| |
Benzidine |
30 |
100 |
0.0002 |
-- |
50 |
| |
Methyl
ethyle
ketone |
6000 |
20000 |
N/A |
-- |
150 |
| |
Acetone |
1000 |
4000 |
N/A |
-- |
700 |
| |
4-Choro-
toluene |
2000 |
100 |
N/A |
-- |
Monitor |
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2-Chloro-
ethylvinylether |
-- |
-- |
-- |
-- |
Monitor |
|
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2-Chloro-
toluene |
200 |
700 |
N/A |
-- |
Monitor |
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PCB's |
0.2 |
0.7 |
0.02 |
0.5 |
0.5 |
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Styrene |
2000 |
7000 |
N/A |
100 |
50 |
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1,1,2-Tri-
chloroethane |
40 |
100 |
0.6 |
5 |
2 |
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Arsenic |
3 |
10 |
0.02 |
50 |
8 |
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Barium |
700 |
2000 |
N/A |
2000 |
-- |
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Cadmium |
7 |
20 |
-- |
5 |
3 |
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Chromium |
200 |
100 |
N/A |
100 |
50 |
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Copper |
-- |
-- |
N/A |
1300
(action level) |
10 |
|
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Selenium |
20 |
70 |
N/A |
50 |
10 |
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Iron |
-- |
-- |
N/A |
300 |
300 |
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Lead |
-- |
-- |
N/A |
15
(action level) |
10 |
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Manganese |
-- |
-- |
N/A |
50 |
-- |
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Mercury |
-- |
-- |
N/A |
2 |
2 |
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Nickel |
200 |
700 |
N/A |
100 |
22 |
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Zinc |
3000 |
10000 |
N/A |
5000 |
15 |
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Sources: NUS, 1986; Ebasco, 1988c.
J: Estimated
ND: Not detected
* Other phthalates and several polycyclic aromatic hydrocarbons were also detected in soil samples.
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