00000nam 2200000zi 4500 9.868646 CaOODSP 20241203113646 m o d f cr ||||||||||| 190221e197601##onc |o f|0| 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn--- En42-15/75-7E-PDF National inventory of sources and emissions of fluoride (1972) / Pollution Data Analysis Division, Air Pollution Programs Branch, Air Pollution Control Directorate. [Ottawa] : Air Pollution Control Directorate, January 1976. 1 online resource (viii, 31 pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier Report APCD ; 75-7 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Atmospheric emissions of fluoride from various Canadian sources have been estimated for the year 1972. The data presented in this report are summarized in Table 1 and Figures 1 and 2. Total emissions of fluoride to the atmosphere are estimated at 15 644 tons. The largest contributor is the primary aluminum industry, which accounts for 57% of the total. Emissions from phosphate fertilizer and elemental phosphorus plants account for a further 17% and the primary iron and steel industry for 16%. On a geographic basis the Province of Quebec accounts for 48% of the Canadian total followed by Ontario with 18%. It is estimated that about 70% of nationwide fluoride emissions, close to 11 000 tons, are in the gaseous state"--Abstract. Includes abstract in French. Fluoride gccst Air pollution Canada. Environment Canada. Canada. Air Pollution Control Directorate. Report APCD ; 75-7 (CaOODSP)9.868593 PDF 1.20 MB https://publications.gc.ca/collections/collection_2019/eccc/En42-15-75-7-eng.pdf