66
TABLE 6.1
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)
(1,1′-Biphenyl)-4,4′-diamine, 3,3′-dimethyl- 1.10E+01
—
—
—
1.95E+08
—
—
—
6.39E–01
1-(3-Chloroallyl)-3,5,7-triaza-1—
—
—
—
—
—
—
—
—
azoniaadamantane chloride
1,1,1,2-Tetrachloro-2-fluoroethane
—
—
—
—
—
—
—
—
—
(Hcfc-121a)
1,1,1,2-Tetrachloroethane
2.60E–02
7.40E–06
3.00E–02
—
4.62E+05 6.95E+05 5.92E+02
—
3.78E–03
1,1,1-Trichloroethane
—
—
2.00E+00
5.00E+00
—
—
8.88E+00 1.88E+01
9.04E–08
1,1,1-Trifluoro-2,2-dichloroethane
—
—
—
—
—
—
—
—
—
1,1,2,2-Tetrachloro-1-fluoroethane
—
—
—
—
—
—
—
—
—
1,1,2,2-Tetrachloroethane
2.00E–01
5.80E–05
4.00E–03
—
3.55E+06 5.44E+06 4.44E+03
—
2.94E–02
1,1,2-Trichloroethane
5.70E–02
1.60E–05
4.00E–03
—
1.01E+06 1.50E+06 4.44E+03
—
8.23E–03
1,1′-Bi(ethylene oxide)
—
—
—
—
—
—
—
—
—
1,1-Dichloro-1-fluoroethane
—
—
—
—
—
—
—
—
—
1,1-Dichloroethane
5.70E–03
1.60E–06
2.00E–01
1.01E+05 1.50E+05 8.88E+01
8.22E–04
1,1-Dichloroethylene
—
—
5.00E–02
2.00E–01
—
—
3.55E+02 4.69E+02
2.70E–06
1,1-Dimethyl hydrazine
6.10E+00
—
—
—
1.08E+08
—
—
—
3.54E–01
1,1′-Methylenebis(4-isocyanatobenzene)
—
—
—
6.00E–04
–
—
—
1.56E+05
5.11E–04
1,2,3-Trichloropropane
7.00E+00
—
6.00E–03
—
1.24E+08
—
2.96E+03
4.06E–01
1,2,4-Trichlorobenzene
3.60E–03
—
1.00E–02
4.00E–03 6.40E+04
—
1.78E+03 2.35E+04
2.92E–04
1,2,4-Trimethylbenzene
—
—
—
7.00E–03
—
—
—
1.34E+04
4.38E–05
Toxic Chemicals