EVALUATION OF A TECHNIQUE FOR MEASURING DRY AERIAL DEPOSITION RATES OF DDT AND PCB RESIDUES

被引:10
作者
HEESEN, TC
YOUNG, DR
MCDERMOTTEHRLICH, D
机构
[1] Southern California Coastal Water Research Project, El Segundo, CA 90245
[2] Lockheed Center for Marine Research, Carlsbad, CA 92008
关键词
D O I
10.1016/0004-6981(79)90326-3
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A rapid technique for the determination of dry aerial fall-out fluxes of higher molecular weight chlorinated hydrocarbons by collecting particles on a mineral-oil-coated glass plate has been successfully adapted for collection of certain DDT and PCB residues over a 1-week period. However, the technique proved unsatisfactory for components more volatile than p,p′-DDE. Comparison of fall-out fluxes measured by this collector with these measured by one that freezes fall-out particles in a layer of ice provided relatively good agreement between mean values for total DDT and PCB 1254. © 1979.
引用
收藏
页码:1677 / 1680
页数:4
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