Table 1 Potency values (by agency)
Carcinogen | Oral Slope Factor (per mg/kg-day) | Inhalation Unit Risk (per μg/m3) | ||||
|---|---|---|---|---|---|---|
Health Canada | US EPA | CalEPA | Health Canada | US EPA | CalEPA | |
1,2-Dichloropropane | 3.6E-02 | 1.0E-05 | ||||
1,3-Butadiene | 6.0E-01 | 3.0E-05 | 1.7E-04 | |||
2,3,7,8-Tetrachlorodibenzo-para-dioxin (TCDD) | 1.3E+ 05 | 3.8E+ 01 | ||||
Acrylamide | 5.0E-01 | 4.5E+ 00 | 1.0E-04 | 1.3E-03 | ||
Alpha-Chlorinated toluenes | 1.7E-01 | 1.7E-01 | 4.9E-05 | |||
Arsenic | 1.8E+ 00 | 1.5E+ 00 | 9.5E+ 00 | 6.4E-03 | 4.3E-03 | 3.3E-03 |
Asbestosa | 2.3E-01 | 1.9E+ 00 | ||||
Benzeneb | 8.3E-02 | 5.5E-02 | 1.0E-01 | 3.3E-06 | 7.8E-06 | 2.9E-05 |
Cadmiumc | 9.8E-03 | 1.8E-03 | 4.2E-03 | |||
Chromium (VI) | 5.0E-01 | 7.6E-02 | 1.2E-02 | 1.5E-01 | ||
Dichloromethane (methylene chloride) | 7.9E-05 | 2.0E-03 | 1.4E-02 | 2.3E-08 | 1.0E-08 | 1.0E-06 |
Diesel particulate matter | 3.0E-04 | |||||
Formaldehyde | 1.3E-05 | 6.0E-06 | ||||
Nickel | 2.6E-04 | |||||
Polycyclic Aromatic Hydrocarbons (PAHs) | 2.3E+ 00 | 7.3E+ 00 | 2.9E+ 00 | 3.1E-05 | 1.1E-03 | |
Polychlorinated biphenyls (PCBs) | 2.0E+ 00 | 2.0E+ 00 | 1.0E-04 | 5.7E-04 | ||
Tetrachloroethylene (PCE) | 2.1E-03 | 5.4E-01 | 2.6E-07 | 5.9E-06 | ||
Trichloroethylene (TCE) | 8.1E-04 | 4.6E-02 | 5.9E-03 | 6.1E-07 | 4.1E-06 | 2.0E-06 |
Vinyl chloride (chloroethene)d | 2.6E-01 | 1.5E+ 00 | 2.7E-01 | 8.8E-06 | 7.8E-05 | |