80
Toxic Chemicals
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)
Malathion
—
—
2.00E–02
—
—
—
8.88E+02
—
2.90E–06
Maleic anhydride
—
—
1.00E–01
7.00E–04
—
—
1.78E+02 1.34E+05
4.39E–04
Malononitrile
—
—
1.00E–04
—
—
—
1.78E+05
—
5.81E–04
Maneb
—
—
5.00E–03
—
—
—
3.55E+03
—
1.16E–05
Manganese and manganese compounds
—
—
1.40E–01
5.00E–05
—
—
1.27E+02 1.88E+06
6.14E–03
M-Cresol
—
—
5.00E–02
—
—
—
3.55E+02
—
1.16E–06
M-Dinitrobenzene
—
—
1.00E–04
—
—
—
1.78E+05
—
5.81E–04
Mecoprop
—
—
1.00E–03
—
—
—
1.78E+04
—
5.81E–05
Mercury and mercury compounds
—
—
1.60E–03
3.00E–04
—
—
1.11E+04 3.13E+05
1.06E–03
Merphos
—
—
3.00E–05
—
—
—
5.92E+05
—
1.94E–03
Methacrylonitrile
—
—
1.00E–04
7.00E–04
—
—
1.78E+05 1.34E+05
1.02E–03
Metham sodium
—
—
—
—
—
—
—
—
—
Methanamine, N-methyl-N-nitroso
5.10E+01
1.40E–02
8.00E–06
—
9.06E+08 1.31E+09 2.22E+06
—
7.26E+00
Methanol
—
—
5.00E–01
4.00E+00
—
—
3.55E+01 2.35E+01
1.93E–07
Methoxone
—
—
5.00E–04
—
—
—
3.55E+04
—
1.16E–04
Methoxychlor
—
—
5.00E–03
—
—
—
3.55E+03
—
1.16E–05
Methyl acrylate
—
—
3.00E–02
—
—
—
5.92E+02
—
1.94E–06
Methyl bromide
—
—
1.40E–03
5.00E–03
—
—
1.27E+04 1.88E+04
1.03E–04
Methyl chlorocarbonate
—
—
—
—
—
—
—
—
—
Methyl ethyl ketone
—
—
6.00E–01
5.00E+00
—
—
2.96E+01 1.88E+01
1.58E–07