86
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)
Simazine
1.20E–01
—
5.00E–03
—
2.13E+06
—
3.55E+03
—
6.98E–03
Sodium azide
—
—
4.00E–03
—
—
—
4.44E+03
—
1.45E–05
Sodium dicamba
—
—
3.00E–02
—
—
—
5.92E+02
—
1.94E–06
Sodium dimethyldithiocarbamate
—
—
—
—
—
—
—
—
—
Sodium hydroxide (solution)
—
—
—
—
—
—
—
—
—
Sodium nitrite
—
—
—
—
—
—
—
—
—
Strychnine
—
—
3.00E–04
—
—
—
5.92E+04
—
1.94E–04
Styrene
—
—
2.00E–01
1.00E+00
—
—
8.88E+01 9.39E+01
5.97E–07
Styrene oxide
—
—
—
—
—
—
—
—
—
Sulfuric acid
—
—
—
—
—
—
—
—
8.13E–09
Sulfuryl fluoride
—
—
—
—
—
—
—
—
—
Sulprofos
—
—
—
—
—
—
—
—
—
Tebuthiuron
—
—
7.00E–02
—
—
—
2.54E+02
—
8.30E–07
Temephos
—
—
2.00E–02
—
—
—
8.88E+02
—
2.90E–06
Terbacil
—
—
1.30E–02
—
—
—
1.37E+03
—
4.47E–06
Terephthalic acid
—
—
1.00E+00
—
—
—
1.78E+01
—
5.81E–08
tert-Butyl alcohol
—
—
2.00E+00
3.00E+01
—
—
8.88E+00 3.13E+00
3.93E–08
Tetrachloroethylene
5.40E–01
5.90E–06
1.00E–02
2.70E–01 9.60E+06 5.54E+05 1.78E+03 3.48E+02
3.32E–02
Tetrachlorvinphos
2.40E–02
—
3.00E–02
—
4.26E+05
—
5.92E+02
—
1.40E–03
Tetracycline hydrochloride
—
—
—
—
—
—
—
—
—