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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
PCBs in air, soil and milk in industrialized and urban areas of KwaZulu-Natal, South Africa
Environmental Pollution, Volume 157, No. 2, Year 2009
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Description
Information regarding polychlorinated biphenyls (PCBs) in environmental media in Africa is limited. This paper presents results of a monitoring program conducted in KwaZulu-Natal Province, South Africa designed to characterize levels, trends and sources of airborne PCBs. Particulate and vapor samples were sampled over the 2004-2005 period at three sites. The total PCB concentration averaged 128 ± 47 pg m-3, and levels were highest in winter. Tri- through hexa-congeners predominated, and the vapor fraction was predominant. Several tetra- through hexa-chlorinated congeners had levels comparable to those at urban sites in the northern hemisphere, but hepta- through deca-congeners resembled levels at background sites. PCB source areas, deduced using spatial and temporal patterns, compositional information and trajectory analyses, likely included local, regional and global sources. Soils at three rural sites showed high PCB concentrations, and milk from a local dairy showed PCB concentrations comparable to USA levels in year 2000. © 2008 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Batterman, Stuart A.
United States, Ann Arbor
University of Michigan School of Public Health
Chernyak, S. M.
United States, Ann Arbor
University of Michigan School of Public Health
Gouden, Y.
South Africa, Durban
University of Kwazulu-natal
Hayes, J.
United States, Ann Arbor
University of Michigan School of Public Health
Robins, Thomas G.
United States, Ann Arbor
University of Michigan School of Public Health
Chetty, S.
South Africa
Pollution Control Support Unit
Statistics
Citations: 92
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1016/j.envpol.2008.08.015
ISSN:
02697491
Research Areas
Environmental
Study Locations
South Africa