Debris plastic (DP) crashed into pieces and pieces makes micro plastics. Is that all? DP are constructed the two site (west and east) garbage patch in the North Pacific Ocean. Noxious chemicals such PAE/BPA from rivers and oceans throughout the world have been extensively studied. But the sources and elution pathways of these chemicals remain to be clarified. To clarify the styrene oligomer(SO) contaminations in the ocean, on site extraction of water and sand from each sampling site were conducted. From 2000 to 2012, 5 g beach sands samples from more than 2,000 sites and 2.5 L water samples from more than 250 sites surrounding Japan were examined. Using a oceanographic research ship, open sea surface to deep water (-5,000 m) SO contamination was examined. All samples were detected SO and bisphenol A(BPA) which generates from epoxy resin/ or polycarbonate were detected in all sampling sites.<br/>Basis of stranded PS and SO quantity from 2002 to 2008, the diffusion of SO in the next 50 years from now into the North Pacific Ocean was calculated.

Debris plastics as the sources of chemicals surrounding Japan and open sea in the North Pacific Ocean

251st National Meeting (2016)

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