International pellet watch: global monitoring of persistent organic pollutants(POPs) in coastal waters. 1. Initial phase data on PCBs, DDTs, and HCHs
Ogata, Yuko and Takada, Hideshige and Mizukawa, Kaoruko and Hirai, HIsashi and Iwasa, Satoru and Zakaria, Mohamad Pauzi (2009) International pellet watch: global monitoring of persistent organic pollutants(POPs) in coastal waters. 1. Initial phase data on PCBs, DDTs, and HCHs. Marine Pollution Bulletin, 58 (10). pp. 1437-1446. ISSN 1437-1446
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Official URL: http://dx.doi.org/10.1016/j.marpolbul.2009.06.014
Samples of polyethylene pellets were collected at 30 beaches from 17 countries and analyzed for organochlorine compounds. PCB concentrations in the pellets were highest on US coasts, followed by western Europe and Japan, and were lower in tropical Asia, southern Africa and Australia. This spatial pattern reflected regional differences in the usage of PCBs and was positively correlated with data from Mussel Watch, another monitoring approach. DDTs showed high concentrations on the US west coast and in Vietnam. In Vietnam, DDT was predominant over its metabolites (DDE and DDD), suggesting the principal source may be current usage of the pesticide for malaria control. High concentrations of pesticide HCHs were detected in the pellets from southern Africa, suggesting current usage of the pesticides in southern Africa. This study demonstrates the utility and feasibility of the International Pellet Watch approach to monitor POPs at a global scale.
|Keyword:||Environmental monitoring, Organochlorine pesticides, Passive sampler, Marine debris|
|Faculty or Institute:||Faculty of Environmental Studies|
|Deposited By:||Samsida Samsudin|
|Deposited On:||18 Aug 2010 07:52|
|Last Modified:||18 Aug 2010 07:54|
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