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Environ Sci Technol


Title:Selective trapping of organochlorine compounds in mountain lakes of temperate areas
Author(s):Grimalt JO; Fernandez P; Berdie L; Vilanova RM; Catalan J; Psenner R; Hofer R; Appleby PG; Rosseland BO; Lien L; Massabuau JC; Battarbee RW;
Address:"Department of Environmental Chemistry (I.C.E.R.-C.S.I.C.), Jordi Girona, 18, 08034-Barcelona, Catalonia, Spain. jgoqam@cid.csic.es"
Journal Title:Environ Sci Technol
Year:2001
Volume:35
Issue:13
Page Number:2690 - 2697
DOI: 10.1021/es000278r
ISSN/ISBN:0013-936X (Print) 0013-936X (Linking)
Abstract:"The study of fish concentrations and sediment inventories in 19 European high mountain lakes (40-67 degrees N) shows that a fraction of organochlorine compounds (OCs), the less volatile compounds (LVC; subcooled liquid vapor pressure < or = 10(-2.5) Pa), are trapped in the higher locations. This general trend is not significantly influenced by possible local sources. Compound distribution is related to average air temperatures. The phase-change pseudoenthalpies calculated from the sediment inventories closely match the summed theoretical volatilization and dissolution enthalpies. This fractionation effect is responsible for the accumulation of high concentrations of the LVC, the more persistent and toxic according to literature data, in organisms inhabiting sites far from the locations of synthesis or use"
Keywords:"Air Pollutants Chemical Phenomena Chemistry, Physical Chlorine Compounds/*analysis Environmental Monitoring Organic Chemicals/analysis Volatilization Water Pollutants, Chemical/*analysis;"
Notes:"MedlineGrimalt, J O Fernandez, P Berdie, L Vilanova, R M Catalan, J Psenner, R Hofer, R Appleby, P G Rosseland, B O Lien, L Massabuau, J C Battarbee, R W eng Research Support, Non-U.S. Gov't 2001/07/17 Environ Sci Technol. 2001 Jul 1; 35(13):2690-7. doi: 10.1021/es000278r"

 
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