82
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)
Nitrapyrin
—
—
—
—
—
—
—
—
—
Nitrate compounds
—
—
—
—
—
—
—
—
4.52E–08
Nitric acid
—
—
—
—
—
—
—
—
—
Nitrilotriacetic acid
—
—
—
—
—
—
—
—
—
Nitrobenzene
—
4.00E–05
2.00E–03
9.00E–03
—
3.76E+06 8.88E+03 1.04E+04
1.23E–02
Nitrofen
—
—
—
—
—
—
—
—
—
Nitroglycerin
1.70E–02
—
1.00E–04
—
3.02E+05
—
1.78E+05
—
1.57E–03
N-Methyl-2-pyrrolidone
—
—
—
—
—
—
—
—
0.00E+00
N-Methylolacrylamide
4.50E+00
1.30E–03
2.00E–04
—
8.00E+07 1.22E+08 8.88E+04
—
6.60E–01
N-Nitrosodiethylamine
1.50E+02
4.30E–02
—
—
2.67E+09 4.04E+09
—
—
2.19E+01
N-Nitrosodi-N-butylamine
5.40E+00
1.60E–03
—
—
9.60E+07 1.50E+08
—
—
8.04E–01
N-Nitrosodiphenylamine
4.90E–03
2.60E–06
—
—
8.71E+04 2.44E+05
—
—
1.08E–03
N-Nitrosomethylvinylamine
—
—
—
—
—
—
—
N-Nitroso-N-methylurea
1.20E+02
3.40E–02
—
—
2.13E+09 3.19E+09
—
—
1.74E+01
N-Nitrosopiperidine
9.40E+00
2.70E–03
—
—
1.67E+08 2.53E+08
—
—
1.37E+00
Norflurazon
—
—
4.00E–02
—
—
—
4.44E+02
—
1.45E–06
O-Anisidine
4.90E–02
1.40E–05
—
—
8.71E+05 1.31E+06
—
—
7.14E–03
O-Cresol
—
—
5.00E–02
—
—
—
3.55E+02
—
1.16E–06
O-Dinitrobenzene
—
—
1.00E–04
—
—
—
1.78E+05
—
5.81E–04
O-Phenylenediamine
4.70E–02
—
—
—
8.35E+05
—
—
—
2.73E–03
Toxic Chemicals