Document Detail


Levels of short chain chlorinated paraffins in pine needles and bark and their vegetation-air partitioning in urban areas.
MedLine Citation:
PMID:  25463727     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Short chain chlorinated paraffins (SCCPs) have been of considerable concern in recent years due to their high production volumes, environmental persistency and potential for long range atmospheric transport. Vegetation can take up considerable amounts of semivolatile organic compounds from the atmosphere and can act as indicators of local contamination. Paired pine needles and bark were sampled around Beijing during winter and summertime to investigate the distribution of SCCPs in urban areas. Levels in bark samples ranged 5.79-37.5 μg/g on a lipid normalized basis (lw) with a geometric mean (GM) of 16.9 μg/g lw whereas levels were 3.03-40.8 (GM 11.8) μg/g lw for needles. Average congener group abundance profiles showed equal contribution of all four carbon groups (C10-13) in wintertime whereas higher abundances of C10 and C11 groups were found during summer. Uptake of SCCPs occurred mainly via kinetically limited gaseous deposition and particle bound deposition in the investigated area.
Authors:
Thanh Wang; Junchao Yu; Shanlong Han; Yawei Wang; Guibin Jiang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-11-9
Journal Detail:
Title:  Environmental pollution (Barking, Essex : 1987)     Volume:  196C     ISSN:  1873-6424     ISO Abbreviation:  Environ. Pollut.     Publication Date:  2014 Nov 
Date Detail:
Created Date:  2014-12-2     Completed Date:  -     Revised Date:  2014-12-3    
Medline Journal Info:
Nlm Unique ID:  8804476     Medline TA:  Environ Pollut     Country:  -    
Other Details:
Languages:  ENG     Pagination:  309-312     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Ltd. All rights reserved.
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