68
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)
2,4-D 2-Ethylhexyl ester
4.90E–01
—
—
—
8.71E+06
—
—
—
2.85E–02
2,4-D Butoxyethyl ester
4.60E–01
—
—
1.00E–01 8.17E+06
—
—
9.39E+02
2.67E–02
2,4-D Butyl ester
—
—
1.00E–02
—
—
—
1.78E+03
—
5.81E–06
2,4-D Sodium salt
1.98E–01
—
—
—
3.52E+06
—
—
1.15E–02
2,4-Db
—
—
8.00E–03
—
2.22E+03
—
7.26E–06
2,4-Diaminoanisole
—
—
—
—
—
—
—
2,4-Diaminotoluene
3.80E+00
1.10E–03
—
—
6.75E+07 1.03E+08
—
—
5.58E–01
2,4-Dichlorophenol
—
—
3.00E–03
—
5.92E+03
—
1.94E–05
2,4-Dimethylphenol
—
—
2.00E–02
—
8.88E+02
—
2.90E–06
2,4-Dinitrophenol
—
—
2.00E–03
—
8.88E+03
—
2.90E–05
2,4-Dinitrotoluene
3.10E–01
8.90E–05
2.00E–03
—
5.51E+06 8.36E+06 8.88E+03
—
4.53E–02
2,6-Dinitrotoluene
—
—
1.00E–03
—
1.78E+04
—
5.81E–05
2,6-Xylidine
1.70E–01
—
—
—
3.02E+06
—
—
9.87E–03
2-Acetylaminofluorene
3.80E+00
1.30E—03
—
—
6.75E+07 1.22E+08
—
—
6.19E–01
2-Aminonaphthalene
1.80E+00
0.00E+00
—
—
3.20E+07 0.00E+00
—
—
1.05E–01
2-Chlor-1,3-butadiene
—
—
2.00E–02
7.00E–03
—
—
8.88E+02 1.34E+04
4.67E–05
2-Chloro-1,1,1,2-tetrafluoroethane
1.70E–01
—
—
—
3.02E+06
—
—
—
9.87E–03
2-Chloro-1,1,1-trifluoroethane
0.00E+00
0.00E+00
2-Chloroacetophenone
3.00E–05
3.13E+06
1.02E–02
2-Mercaptobenzothiazole
1.40E–01
—
—
—
2.49E+06
—
—
—
8.13E–03
Toxic Chemicals