vironmental
.cfm?deid=12464. U.S. En
.cfm?deid=116283.
v/ncea/cfm/recordisplay
actors Handbook, 1997. http://cfpub.epa.go
v/ncea/cfm/recordisplay
Assessment, 2005. http://cfpub.epa.go
A Exposure F
, EP
Agency
vironmental Protection
Agency, Guidelines for Carcinogen Risk
U.S. En
Protection
ce:
Sour
88
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)
Triethylamine
—
—
—
7.00E–03
—
—
1.34E+04
4.38E–05
Trifluralin
7.70E–03
—
7.50E–03
—
1.37E+05
—
2.37E+03
4.55E–04
Triforine
—
—
—
—
—
—
—
—
—
Triphenyltin chloride
—
—
—
—
—
—
—
—
—
Triphenyltin hydroxide
—
—
—
—
—
—
—
—
—
tris(2,3-Dibromopropyl) phosphate
—
—
—
—
—
—
—
—
—
Trypan blue
—
—
—
—
—
—
—
—
—
Urethane
—
—
—
—
—
—
—
—
—
Vanadium and vanadium compounds
—
—
7.00E–03
—
—
—
2.54E+03
—
8.30E–06
Vinclozolin
—
—
2.50E–02
—
—
—
7.11E+02
2.32E–06
Vinyl acetate
—
—
1.00E+00
2.00E–01
—
—
1.78E+01 4.69E+02
1.59E–06
Vinyl bromide
—
3.20E–05
—
3.00E–03
—
3.00E+06
—
3.13E+04
9.92E–03
Vinyl chloride
7.20E–01
4.40E–06
3.00E–03
1.00E–01 1.28E+07 4.13E+05 5.92E+03 9.39E+02
4.32E–02
Warfarin and salts
—
—
3.00E–04
—
—
—
5.92E+04
—
1.94E–04
Xylene (mixed isomers)
—
—
2.00E–01
1.00E–01
—
—
8.88E+01 9.39E+02
3.36E–06
Zinc and zinc compounds
—
—
3.00E–01
—
—
—
5.92E+01
—
1.94E–07
Zineb
—
—
5.00E–02
—
—
—
3.55E+02
—
1.16E–06
Toxic Chemicals