Claim · draft · confidence 0.95

Generated from the Hyphae knowledge graph. Drafted by claude-sonnet-4-6

Statement: OSHA has set a permissible exposure limit (PEL) for coke oven emissions of 0.150 mg/m³ benzene-soluble fraction (8-hour TWA); NIOSH has set a recommended exposure limit (REL) of 0.2 mg/m³ benzene-soluble fraction (8-hour TWA). Coke oven emissions are classified as IARC Group 1 human carcinogens, with elevated lung, bladder, and kidney cancer risk in exposed workers.

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