60 likes | 274 Views
INVESTIGATION OF THE BEHAVIOR OF PERSISTENT ORGANIC POLLUTANTS IN JAPAN SEA. Masahiro TSURUKAWA 1 , Motoharu SUZUKI 2 , Sachiko ABE 3 , Toshihiro OKUNO 1 , Syusuke TAKEMINE 1 , Chisato MATSUMURA 1 , Takeshi NAKANO 1 , Masayuki KUNUGI 4
E N D
INVESTIGATION OF THE BEHAVIOR OF PERSISTENT ORGANIC POLLUTANTS IN JAPAN SEA Masahiro TSURUKAWA 1, Motoharu SUZUKI2, Sachiko ABE 3, Toshihiro OKUNO1, Syusuke TAKEMINE1, Chisato MATSUMURA1, Takeshi NAKANO1, Masayuki KUNUGI4 1 Hyogo Prefectural Institute of Environmental Sciences , 2 Kobe University, 3 Hyogo Environmental Advancement Association, 4 Tokyo University of Science
Sampling method Sampling amount 50L (0.5 L/min) ASKA-Ⅱ Glass fiber filter paper (GC-50H) Adsorbent column Seawater sampling Air sampling (PUF+ACF×3) Glass fiber filter paper(GB- 100R)+adsorbent column Total amount 108 m3 (300 L/min,6hr)
Relatively high in the north of Japan Sea HCHs ・Isomer pattern and concentration level differ depending on each ocean area (β>α>γ in the Pacific Ocean , α>>γ>β in the Atlantic Ocean) 2009’s survey Dumping zone of Korea Prior suvey (2004~2007)
Distribution of HCHs concentration in surface sea water (2010) Ave. 2300
Southwest Sakhalin Downstream site of Chang Jiang Relationships between α/γ-HCH ratio and the latitude of sampling points
Downstream site of Chang Jiang EF value of HCH(2005-2010) Southwest Sakhalin