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International Pellet Watch: Global monitoring of persistent organic pollutants (POPs) in coastal waters. 1. Initial phase data on PCBs, DDTs, and HCHs |
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| Authors: | Yuko Ogata Kaoruko Mizukawa Satoru Iwasa Yukie Mato Keiji Okuda Michio Murakami Ruchaya Booyatumanondo Le Quang Dung Carlos Miguez Charles Moore Steven Weerts Erick Burres Michael Van Velkenburg Richard C. Lang Brenda Danner Richard C. Thompson |
| Affiliation: | a Laboratory of Organic Geochemistry (LOG), Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183-8509, Japan b Wisdom of Water (Suntory), Corporate Sponsored Research Program, Organization for Interdisciplinary Research Projects, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan c The Swire Institute of Marine Science, Department of Ecology and Biodiversity, The University of Hong Kong, Cape d’Aguilar, Shek O, Hong Kong, China d Environmental Research and Training Center, Bangkok, Thailand e Faculty of Environmental Studies, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor Darul Ehsan, Malaysia f Institute of Marine Environment and Resources, Hai Phong City, Viet Nam g California Coastal Commission, San Francisco, CA 94105, USA h Dep. de Biologia, Universidade de Aveiro, 3810-193 Aveiro, Portugal i Center for Marine Environmental Studies (CMES), Ehime University, Matsuyama 790-8577, Japan j Algalita Marine Research Foundation, CA, USA k Department of Chemistry, University of Patras, Greece l Coastal and Marine Pollution, Natural Resources and the Environment, CSIR, South Africa m Citizen Monitoring Coordinator, SWRCB-SWAMP-Clean Water Team, Los Angeles, CA 90013, USA n Tangaroa Blue Ocean Care Society, QLD 4877, Australia o P.O. Box 31276, Walnut Creek, CA 94598-8276, USA p P.O. Box 21, Forest Knolls, CA 94933-0021, USA q 148 N Marina Drive, Long Beach, CA 90803, USA r Port Townsend Marine Science Center, 532 Battery Way, Port Townsend, WA 98368, USA s Forth Estuary Forum, Exmouth Building, Port of Rosyth, Fife, KY11 2XP, UK t Marine Biology and Ecology Research Centre, Marine Institute, University of Plymouth, Plymouth, UK |
| Abstract: | 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. |
| Keywords: | Environmental monitoring Organochlorine pesticides Passive sampler Marine debris |
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