242
Toxic Chemicals
TABLE 16.1 (continued)

Proposed Chemical Usage Concentration Reporting Thresholds for
TRI Chemicals
ETF (Doses/
Reporting
Chemical
Capita-lb)
Threshold
2,4,5-Trichlorophenol
2.97E–08
1%
2,4,6-Trichlorophenol
1.13E–05
0.10%
2,4,6-Trinitrophenol
—
1%
2,4-D
1.85E–09
1%
2,4-D 2-Ethylhexyl ester
9.24E–05
0.10%
2,4-D Butoxyethyl ester
3.77E–05
0.10%
2,4-D Butyl ester
1.16E–08
1%
2,4-D Sodium salt
6.67E–05
0.10%
2,4-Db
1.45E–08
1%
2,4-Diaminoanisole
—
1%
2,4-Diaminotoluene
1.18E–03
10 ppm
2,4-Dichlorophenol
5.77E–08
1%
2,4-Dimethylphenol
5.62E–09
1%
2,4-Dinitrophenol
1.86E–08
1%
2,4-Dinitrotoluene
9.09E–05
0.10%
2,6-Dinitrotoluene
9.59E–09
1%
2,6-Xylidine
1.23E–05
0.10%
2-Acetylaminofluorene
1.14E–04
100 ppm
2-Aminonaphthalene
2.09E–04
100 ppm
2-Chlor-1,3-butadiene
4.68E–07
1%
2-Chloro-1,1,1,2-tetrafluoroethane
4.33E–04
100 ppm
2-Chloro-1,1,1-trifluoroethane
0.00E+00
1%
2-Chloroacetophenone
2.05E–05
0.10%
2-Mercaptobenzothiazole
1.53E–06
1%
2-Methyllactonitrile
1.56E–07
1%
2-Methylpyridine
7.43E–05
0.10%
2-Nitrophenol
7.25E–06
1%
2-Nitropropane
1.79E–03
10 ppm
2-Phenylphenol
1.42E–07
1%
3,3-Dichloro-1,1,1,2,2-pentafluoropropane
—
1%
3,3′-Dichlorobenzidine
1.49E–03
10 ppm
3,3′-Dichlorobenzidine dihydrochloride
4.78E–05
0.10%
3,3′-Dichlorobenzidine sulfate
1.49E–03
10 ppm
3,3′-Dimethoxybenzidine
8.34E–08
1%
3,3′-Dimethoxybenzidine dihydrochloride
8.88E–07
1%
3-Chloro-2-methyl-1-propene
1.83E–05
0.10%
3-Chloropropionitrile
—
1%
3-Iodo-2-propynyl butylcarbamate
1.17E–09
1%
4,4′-Diaminodiphenyl ether
2.56E–07
1%
4,4′-Isopropylidenediphenol
7.27E–10
1%