74
TABLE 6.1 (continued)

Toxicity Factors of TRI Chemicals

USEPA Toxicity Values:
USEPA Toxicity Values:
Toxicity Factor:
Toxicity Factor:
Toxicity Factor:
Carcinogenic
Noncarcinogenic
Carcinogenic
Noncarcinogenic
Combined (TF)
Ingestion
Inhalation Ingestion Inhalation
(SFO)
(IUR)
(RfDo)
(RfCi)
Ingestion Inhalation Ingestion Inhalation
(Doses/
Chemical
(mg/kg-day) −1
(μg/m 3
) −1
(mg/kg-day) (mg/m 3
) (Doses/lb) (Doses/lb) (Doses/lb) (Doses/lb)
Capita-lb)
Chloroacetic acid
—
—
2.00E–03
—
—
—
8.88E+03
—
2.90E–05
Chlorobenzene
—
—
2.00E–02
5.00E–02
—
—
8.88E+02 1.88E+03
9.04E–06
Chlorobenzilate
1.10E–01
3.10E–05
2.00E–02
—
1.95E+06 2.91E+06 8.88E+02
—
1.59E–02
Chlorodifluoromethane
—
—
—
5.00E+01
—
—
—
1.88E+00
6.14E–09
Chloroethane
—
—
—
1.00E+01
—
—
—
9.39E+00
3.07E–08
Chloroform
3.10E–02
2.30E–05
1.00E–02
9.80E–02 5.51E+05 2.16E+06 1.78E+03 9.58E+02
8.87E–03
Chloromethane
—
—
—
9.00E–02
—
—
—
1.04E+03
3.41E–06
Chloromethyl methyl ether
2.40E+00
6.90E–04
—
—
4.26E+07 6.48E+07
—
—
3.51E–01
Chlorophenols
1.20E–01
4.60E–06
3.00E–02
—
2.13E+06 4.32E+05 5.92E+02
—
8.38E–03
Chloropicrin
—
—
—
4.00E–04
—
—
—
2.35E+05
7.67E–04
Chlorotetrafluoroethane
3.00E–02
8.60E–06
—
—
5.33E+05 8.07E+05
—
—
4.38E–03
Chlorothalonil
3.10E–03
8.90E–07
1.50E–02
—
5.51E+04 8.36E+04 1.18E+03
—
4.57E–04
Chlorotrifluoromethane
—
—
—
4.17E+02
—
—
—
2.25E–01
7.36E–10
Chlorpyrifos methyl
—
—
1.00E–02
—
—
—
1.78E+03
—
5.81E–06
Chlorsulfuron
—
—
1.30E–02
—
—
—
1.37E+03
—
4.47E–06
Chromium and chromium compounds
—
1.20E–02
—
—
—
1.13E+09
—
—
3.68E+00
Cobalt and cobalt compounds
—
9.00E–03
3.00E–04
6.00E–06
—
8.45E+08 5.92E+04 1.56E+07
2.81E+00
Copper and copper compounds
—
—
4.00E–02
—
4.44E+02
—
1.45E–06
Creosotes
—
—
—
4.17E+02
—
—
2.25E–01
7.36E–10
Cresol (mixed isomers)
—
—
1.00E–01
6.00E–01
—
1.78E+02 1.56E+02
1.09E–06
Toxic Chemicals