252
Toxic Chemicals
TABLE 16.1 (continued)

Proposed Chemical Usage Concentration Reporting Thresholds for
TRI Chemicals
ETF (Doses/
Reporting
Chemical
Capita-lb)
Threshold
Polychlorinated alkanes (C10-C13)
9.18E–12
1%
Polychlorinated biphenyls
2.30E–02
1 ppm
Polycyclic aromatic compounds
9.63E–07
1%
Potassium bromate
—
1%
Potassium dimethyldithiocarbamate
—
1%
Potassium N-methyldithiocarbamate
—
1%
P-Phenylenediamine
4.10E–10
1%
Profenofos
—
1%
Prometryn
1.56E–08
1%
Pronamide
5.43E–10
1%
Propachlor
2.39E–09
1%
Propane sultone
—
1%
Propanil
1.29E–09
1%
Propargite
4.53E–07
1%
Propargyl alcohol
1.58E–07
1%
Propetamphos
—
1%
Propiconazole
1.28E–08
1%
Propionaldehyde
2.08E–07
1%
Propoxur
6.49E–09
1%
Propylene
—
1%
Propylene oxide
1.23E–04
100 ppm
Propyleneimine
—
1%
P-Xylene
4.61E–10
1%
Pyridine
3.68E–07
1%
Quinoline
1.00E–04
100 ppm
Quinone
—
1%
Quintozene
3.40E–05
0.10%
Quizalofop-ethyl
4.65E–10
1%
Resmethrin
3.87E–09
1%
S,S,S-Tributyltrithiophosphate
1.56E–05
0.10%
Saccharin
—
1%
Safrole
8.52E–05
0.10%
sec-Butyl alcohol
1.04E–10
1%
Selenium and selenium compounds
8.10E–07
1%
Sethoxydim
2.21E–05
0.10%
Silver and silver compounds
7.35E–10
1%
Simazine
4.53E–07
1%
Sodium azide
1.78E–08
1%
Sodium dicamba
3.07E–08
1%
Sodium dimethyldithiocarbamate
—
1%