NDLI: Spatial Distribution of Polychlorinated Biphenyls in Coastal Marine Sediments Receiving Industrial Effluents in Kuwait

Content Provider	Springer Nature Link
Author	Gevao, Bondi Beg, Mirza U Al Omair, Ali Helaleh, Murad Zafar, Jamal
Copyright Year	2005
Abstract	The concentrations of polychlorinated biphenyls (PCBs) were measured in surficial sediments receiving industrial and municipal effluents in Kuwait. The ΣPCB concentrations varied by two orders of magnitude ranging from 0.4 to 84 μg kg−1 dw. The homologue distribution in the study favored the more chlorinated congeners and generally followed the order: penta-PCBs > hexa-PCBs > tetra-PCBs ≈ hepta-PCBs, with the dominant congeners being 138, 101, 110, 180, 153, 132, 149, and 118. The spatial distribution revealed significant intersite difference in concentration, with high levels encountered close to a harbor and several wastewater outlets suggesting that point source input is the primary delivery mechanism of PCBs to the sediment. This study suggests that atmospheric deposition of PCBs may not be a significant delivery mechanism to sediments in Kuwait possibly due to low annual precipitation and high annual temperatures that are experienced in the Arabian Gulf. The implication of this observation is that PCBs in air are likely to remain in the gas phase long enough to be subject to long-range atmospheric transport to other regions.
Starting Page	166
Ending Page	174
Page Count	9
File Format	PDF
ISSN	00904341
Journal	Archives of Environmental Contamination and Toxicology
Volume Number	50
Issue Number	2
e-ISSN	14320703
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-09-30
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Agriculture Ecology Forestry Environment Soil Science & Conservation Terrestrial Pollution
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Medicine Toxicology

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