Document Detail

Organochlorine pesticides and PCBs along the coast of north Vietnam.
MedLine Citation:
PMID:  10568288     Owner:  NLM     Status:  MEDLINE    
Organochlorine pesticides and polychlorinated biphenyls (PCBs) were determined in sediments and clams collected from the coast of the north of Vietnam during the rainy season (August-September 1997). Results show that the organochlorine pesticides of major concern are HCHs (1.2-33.7 ng g-1 dry wt.), DDTs (6.2-10.4 ng g-1 dry wt.) and HCB (0.1-6.5 ng g-1 dry wt.). PCBs, in aroclor 1254 equivalents, were also generally present in concentrations ranging from 0.47 to 28.1 ng g-1 sediment dry wt. Concentrations measured in the soft tissues of clams (Meretrix meretrix) generally reflect the level of contamination at the sampling sites. In the clams, the concentrations of DDTs (12.0-23.3 ng g-1 dry wt.) and PCBs (5.1-25.3 ng g-1 dry wt.) were generally higher than those of other chlorinated hydrocarbons. These results underscore the need to improved environmental protection measures in order to reduce the exposure of the population to these persistent and bioaccumulative compounds through food ingestion.
D N Dang; M A Nguyen; F P Carvalho; J P Villeneuve; C Cattini
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Science of the total environment     Volume:  237-238     ISSN:  0048-9697     ISO Abbreviation:  Sci. Total Environ.     Publication Date:  1999 Sep 
Date Detail:
Created Date:  1999-12-02     Completed Date:  1999-12-02     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0330500     Medline TA:  Sci Total Environ     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  363-71     Citation Subset:  IM    
Vietnam Atomic Energy Commission, Hanoi, Vietnam.
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MeSH Terms
Bivalvia / chemistry*,  metabolism
Environmental Exposure / analysis,  statistics & numerical data
Environmental Monitoring / statistics & numerical data
Geologic Sediments / chemistry*
Insecticides / analysis*,  metabolism
Pacific Ocean
Polychlorinated Biphenyls / analysis*,  metabolism
Water Pollutants, Chemical / analysis*
Water Pollution, Chemical / analysis*,  statistics & numerical data
Reg. No./Substance:
0/Insecticides; 0/Polychlorinated Biphenyls; 0/Water Pollutants, Chemical

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