TABLE 8.1 (continued)
Persistence Factors of TRI Chemicals
Half-Lives (yrs)
Residual
Chemical
Water
Soil
Sediment
Air
Average
(lb)
PF
trans-1,3-Dichloropropene
0.10
0.21
0.93
0.01
0.31
1
0.02
trans-1,4-Dichloro-2-butene
0.10
0.21
0.93
0.00
0.31
1
0.02
Triadimefon
0.16
0.33
1.48
0.00
0.49
1
0.02
Triallate
0.16
0.33
1.48
0.00
0.49
1
0.02
Tribenuron methyl
0.16
0.33
1.48
0.01
0.50
1
0.02
Tributyltin methacrylate
27.40
27.40
27.40
27.40
27.40
33
0.47
Trichlorfon
0.16
0.33
1.48
0.01
0.49
1
0.02
Trichloroacetyl chloride
0.16
0.33
1.48
0.49
0.62
1
0.02
Trichloroethylene
0.10
0.21
0.93
0.02
0.31
1
0.02
Trichlorofluoromethane
0.16
0.33
1.48
0.49
0.62
1
0.02
Triclopyr triethylammonium salt 0.49
0.99
4.38
0.00
1.47
3
0.04
Triethylamine
0.10
0.21
0.93
0.00
0.31
1
0.02
Trifluralin
0.49
0.99
4.38
0.00
1.47
3
0.04
Triphenyltin hydroxide
27.40
27.40
27.40
27.40
27.40
33
0.47
Tris(2,3-dibromopropyl)
0.16
0.33
1.48
0.00
0.49
1
0.02
phosphate
Trypan blue
0.49
0.99
4.38
0.00
1.47
3
0.04
Urethane
0.04
0.08
0.38
0.01
0.13
1
0.01
Vanadium
Long
Long
Long
Long
Long
70
1.00
Vinclozolin
0.16
0.33
1.48
0.00
0.49
1
0.02
Vinyl acetate
0.04
0.08
0.38
0.00
0.13
1
0.01
Vinyl chloride
0.04
0.08
0.38
0.01
0.13
1
0.01
Vinylidene chloride
0.10
0.21
0.93
0.00
0.31
1
0.02
Warfarin and salts
27.40
27.40
27.40
27.40
27.40
33
0.47
Xylene (mixed isomers)
0.04
0.08
0.38
0.00
0.13
1
0.01
Zinc (fume or dust)
Long
Long
Long
Long
Long
70
1.00
118
Toxic Chemicals
Source: U.S. Environmental Protection Agency, Persistent, Bioaccumulative, and Toxic (PBT) Profiler. 2006.
http://www.pbtprofiler.net/before.asp.
BIBLIOGRAPHY
U.S. Environmental Protection Agency. 2006. Persistent, Bioaccumulative, and Toxic (PBT)
Profiler. http://www.pbtprofiler.net/before.asp (accessed January 20, 2010).