TY - RPRT AU - World Health Organization PY - 1998 SN - 92 4 157202 7 UR - https://wedocs.unep.org/handle/20.500.11822/29533 LA - English A3 - World Health Organization KW - hydrocarbon KW - risk assessment KW - chemical KW - toxic substance TI - Environmental Health Criteria 202 - Selected Non-Heterocyclic Polycyclic Aromatic Hydrocarbons M3 - Technical report ER -