00000nam 2200000za 4500 9.864850 CaOODSP 20241203113644 cr ||||||||||| 181116s1994 onc o f000 0 eng CaOODSP eng n-cn--- En40-215/42E-PDF Polycyclic aromatic hydrocarbons [electronic resource] / Government of Canada, Environment Canada, Health Canada. [Ottawa] : Environment Canada, c1994. vi, 61 p. Priority substances list assessment report Issued also in French under title: Hydrocarbures aromatiques polycycliques. At head of title: Canadian Environmental Protection Act. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Polycyclic aromatic hydrocarbons (PAHs) are emitted into the Canadian environment from both natural and anthropogenic sources. Forest fires, which release approximately 2000 tonnes of PAHs per year, are the single most important natural source of PAHs in Canada. However, since releases from that source are generally widely separated in time and space across the country, they do not result in continuous exposure in any specific area"--Synopsis. Polycyclic aromatic hydrocarbons gccst Environmental impact assessment Canada. Environment Canada. Canada. Health Canada. Hydrocarbures aromatiques polycycliques (CaOODSP)9.864853 Priority substances list assessment report. (CaOODSP)9.504442 PDF 3.70 MB https://publications.gc.ca/collections/collection_2018/eccc/En40-215-42-eng.pdf