Table 2.
Inhalation dose reference exposure (RFC) and cancer inhalation unit risk for the characterized VOCs.
| Agent | RFC (mg m−3) | Cancer Slop Factor (mg kg−1 day−1) | USEPA/IARC Class | Reference |
|---|---|---|---|---|
| Benzene | 0.03 | 0.029 | A | IRIS a |
| Toluene | 5 | … | IRIS | |
| Ethylbenzene | 1 | 0.0087 | 2B | IRIS |
| m,p-Xylene | 0.1 | … | IRIS | |
| Styrene | 1 | 5.7 × 10−4 | 2B | CEP b |
| n-Hexane | 0.7 | … | IRIS | |
| n-Heptane | 0.4 | … | IRIS | |
| n-Nonane | 0.02 | … | IRIS | |
| Trichloroethylene | 0.002 | 1.1 × 10−2 | 2A | IRIS |
| Tetrachloroethylene | 0.04 | 2.07 × 10−2 | 2A | IRIS |
| n-Butyl acetate | 1.429 | … | WHO c | |
| n-Octane | 1.111 | … | MHLW d | |
| n-Decane | 0.836 | … | Sagunski and Mangelsdorf [29] | |
| Dichlorofluoromethane | 0.330 | … | IRIS | |
| Acetone | 56 | … | OECD e |
a IRIS: Integrated Risk Information System from USEPA. b CEP: Cumulative Exposure Project from USEPA. c WHO: World Health Organization. d MHLW: Ministry of Health, Labor, and Welfare. e OECD: Organization for Economic Co-operation and Development.