Document Detail

Reduction of airborne fluoride emissions from Canadian aluminium smelters as revealed by snow chemistry.
MedLine Citation:
PMID:  3685959     Owner:  NLM     Status:  MEDLINE    
Fluorides in surface snowcover originating from two old Canadian aluminium smelters were studied over an area of 4500 km2, in March 1978 and 1984. During that period, the completion of a depollution programme within the smelters reduced the airborne gaseous emissions from 1.5 to 0.7 kg Ft-1 of metal produced. In 1978, more than 3000 km2 of the regional area was contaminated by industrial fluorides with snowborne concentrations of up to 13 mg l-1. Reduction of the gaseous fluoride emissions, concomitant with a substantial reduction of the total particulate emissions, have greatly decreased the snowborne fluoride contamination so that the maximum concentration of fluorides in snow is now only 1 mg l-1.
M Ouellet
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Science of the total environment     Volume:  66     ISSN:  0048-9697     ISO Abbreviation:  Sci. Total Environ.     Publication Date:  1987 Oct 
Date Detail:
Created Date:  1988-01-20     Completed Date:  1988-01-20     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0330500     Medline TA:  Sci Total Environ     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  65-72     Citation Subset:  IM    
INRS-Eau, Université de Québec, Sainte-Foy, Canada.
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MeSH Terms
Air Pollutants / analysis*
Air Pollution / prevention & control
Fluorides / analysis*
Snow / analysis*
Weather / analysis*
Reg. No./Substance:
0/Air Pollutants; 0/Fluorides

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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