| | PAHs | Exposure limit | |
|---|
OSHA | CTPVs | 0.2 mg/m3 | PEL TWA |
| | COEs | 0.15 mg/m3 | PEL TWA |
NIOSH | CTPVs | 0.2 mg/m3 | REL TWA |
ACGIH | CTPVs | 0.2 mg/m3 | TLV TWA |
MOEL (Korea) | CTPVs | 0.2 mg/m3 | TWA |
| | Naphthalene | 50 mg/m3 | TWA |
| | | 75 mg/m3 | STEL |
- OSHA Occupational Safety and Health Administration; NIOSH National Institute for Occupational Safety and Health; ACGIH American Conference of Governmental Industrial Hygienist; MOEL Ministry of Employment and Labor; CTPVs Coal tar pitch volatiles; COEs Coke oven emissions; PEL Permissible exposure limits; TWA 8 h time-weighted average; TLV Threshold limit value; STEL Short-term exposure limits
