246
Toxic Chemicals
TABLE 16.1 (continued)

Proposed Chemical Usage Concentration Reporting Thresholds for
TRI Chemicals
Chemical
ETF (Doses/
Capita-lb)
Reporting
Threshold
Chlorpyrifos methyl
1.03E–08
1%
Chlorsulfuron
1.54E–08
1%
Chromium, hexavalent
1.17E+00
1 ppm
Cobalt and cobalt compounds (fumes or dust)
6.37E–02
1 ppm
Copper and copper compounds
3.55E–10
1%
Creosotes
3.33E–16
1%
Cresol (mixed isomers)
1.26E–09
1%
Crotonaldehyde
3.14E–04
100 ppm
Cumene
1.50E–09
1%
Cumene hydroperoxide
3.17E–09
1%
Cupferron
—
1%
Cyanazine
3.77E–05
0.10%
Cyanide compounds
1.28E–06
1%
Cycloate
—
1%
Cyclohexane
1.36E–09
1%
Cyclohexanol
3.78E–10
1%
Cyfluthrin
6.63E–05
0.10%
Cyhalothrin
3.87E–07
1%
Dazomet
3.84E–13
1%
Dazomet, sodium salt
3.84E–13
1%
Decabromodiphenyl oxide
7.74E–08
1%
Desmedipham
2.33E–13
1%
Diallate
1.48E–05
0.10%
Diaminotoluene (mixed isomers)
—
1%
Diazinon
1.35E–07
1%
Dibenzofuran
—
1%
Dibromotetrafluoroethane (Halon 2402)
—
1%
Dibutyl phthalate
3.87E–10
1%
Dicamba
3.62E–09
1%
Dichloran
—
1%
Dichlorobenzene (mixed isomers)
1.19E–08
1%
Dichlorobromomethane
8.98E–05
0.10%
Dichlorodifluoromethane
4.30E–08
1%
Dichlorofluoromethane
1.47E–10
1%
Dichloromethane
4.50E–06
1%
Dichlorotetrafluoroethane (Cfc-114)
1.32E–07
1%
Dichlorotrifluoroethane
4.68E–12
1%
Dichlorpentafluoro-propane
9.03E–12
1%
Dichlorvos
4.02E–05
0.10%
Dicofol
—
1%