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Ciba Geigy Health Assessment
(Dover Township) Toms River, New Jersey


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).


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

Benzene

--

--

1

1

1

Chlorobenzene

4,000

1000

N/A

4

3

Chloroform

100

400

6

100

3

Dibromo-
chloromethane

ND

ND

5

--

1

1,2-Dichloro-
ethane

2000

7000

0.4

2

2

Carbon
tetrachloride

7

20

0.3

2

2

Ethyl
benzene

1000

700

N/A

700

32

Toluene

200

700

N/A

1000

26

1,1-Dichloro-
ethylene

90

300

0.06

2

2

trans-
1,3-Dichloro-
propene

--

--

--

--

Monitor

Tetrachloro-
ethylene

100

400

0.7

1

1

Trichloro-
ethylene

20

70

3

1

1

1,1,2,2-Tetra-
chloroethane

3000

10000

0.2

--

2

1,1,1-Tri-
chloroethane

40000

200

N/A

26

15

Methylene
chloride

600

2000

5

2

2

Dichloro-
benzene

1000

75

--

75

77 (ortho-)
31 (meta-)
10 (para-)

Bis (2-ethylhexyl)
phthalate

200

700

3

6

30

Naphthalene

400

20

N/A

--

15

Nitro-
benzene

5

20

N/A

--

10

Phenol/FONT>

6000 J

20000

N/A

--

10

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

Vinyl
Chloride

0.2

0.7

--

2

2

Xylenes

2000

7000

N/A

44

20

1,2-Dichloro-
propane

900

3000

N/A

5

1

1,2,3-Trichloro-
propane

60

200

N/A

--

20

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

2-Chloro-
ethylvinylether

--

--

--

--

Monitor

2-Chloro-
toluene

200

700

N/A

--

Monitor

PCB's

0.2

0.7

0.02

0.5

0.5

Styrene

2000

7000

N/A

100

50

1,1,2-Tri-
chloroethane

40

100

0.6

5

2

Arsenic

3

10

0.02

50

8

Barium

700

2000

N/A

2000

--

Cadmium

7

20

--

5

3

Chromium

200

100

N/A

100

50

Copper

--

--

N/A

1300
(action level)

10

Selenium

20

70

N/A

50

10

Iron

--

--

N/A

300

300

Lead

--

--

N/A

15
(action level)

10

Manganese

--

--

N/A

50

--

Mercury

--

--

N/A

2

2

Nickel

200

700

N/A

100

22

Zinc

3000

10000

N/A

5000

15



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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