00000nam 2200000zi 4500 9.868647 CaOODSP 20221107162638 m o d f cr ||||||||||| 190221e197311##onc |o f|0| 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn--- En42-15/73-7E-PDF National inventory of sources and emissions of lead (1970) / by James F. MacLaren Limited, Environmental Consultants, Willowdale, Ontario ; for Air Pollution Control Directorate, Environmental Protection Service. [Ottawa] : Air Pollution Control Directorate, Environmental Protection Service, November 1973. 1 online resource (xv, 110 pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier Report APCD ; 73-7 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Atmospheric emissions of lead from various sectors of the Canadian economy have been estimated for the year 1970. A summary of the data presented in this report is given in Table 1, along with preliminary emission factors for the United States. The total lead emissions to the atmosphere in 1970 are estimated at 21 416 tons, of which 66.7% was emitted through the consumption of lead products, 25.7% through the release of trace amounts of lead in fuels and various raw materials, 7.1% through the recovery of lead, and 0.5% through the manufacture of lead goods"--Abstract. Includes abstract in French. gccst Air pollution gccst Lead Canada. Environment Canada. Environmental Protection Service. Canada. Air Pollution Control Directorate. James F. MacLaren Ltd. Report APCD ; 73-7 (CaOODSP)9.868593 PDF 4.94 MB https://publications.gc.ca/collections/collection_2019/eccc/En42-15-73-7-eng.pdf