253
A Program to Reduce Toxic Chemical Use
TABLE 16.1 (continued)

Proposed Chemical Usage Concentration Reporting Thresholds for
TRI Chemicals
Chemical
ETF (Doses/
Capita-lb)
Reporting
Threshold
Sodium hydroxide (solution)
—
1%
Sodium nitrite
—
1%
Strychnine
2.32E–08
1%
Styrene
4.74E–10
1%
Styrene oxide
—
1%
Sulfuric acid
5.42E–12
1%
Sulfuryl fluoride
—
1%
Sulprofos
—
1%
Tebuthiuron
5.51E–10
1%
Temephos
5.81E–09
1%
Terbacil
8.93E–09
1%
Terephthalic acid
1.16E–10
1%
tert-Butyl alcohol
2.46E–10
1%
Tetrachloroethylene
1.24E–04
100 ppm
Tetrachlorvinphos
9.02E–07
1%
Tetracycline hydrochloride
—
1%
Tetramethrin
—
1%
Thallium and thallium compounds
5.83E–07
1%
Thiabendazole
—
1%
Thioacetamide
—
1%
Thiobencarb
4.33E–10
1%
Thiodicarb
3.87E–08
1%
Thiophanate-methyl
1.88E–10
1%
Thiosemicarbazide
—
1%
Thiourea
1.35E–05
0.10%
Thiram
9.21E–10
1%
Thorium dioxide
—
1%
Titanium tetrachloride
2.90E–04
100 ppm
Toluene
9.55E–10
1%
Toluene diisocyanate (mixed isomers)
6.99E–07
1%
Toluene-2,4-diisocyanate
2.00E–05
0.10%
Toluene-2,6-diisocyanate
2.08E–06
1%
trans-1,3-Dichloropropene
2.68E–05
0.10%
trans-1,4-Dichloro-2-Butene
4.29E–03
10 ppm
Triadimefon
3.87E–09
1%
Triallate
1.28E–08
1%
Tribenuron methyl
—
1%
Tribromomethane
1.22E–06
1%
Tributyltin methacrylate
3.87E–07
1%
continued