1. 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

2. Sampling amount 50L （0.5 L/min）
Sampling method
Sampling amount 50L （0.5 L/min）
ASKA-Ⅱ
Glass fiber filter paper
（GC-50H）
Air sampling
Seawater sampling
Adsorbent column
(PUF+ACF×3)
Glass fiber filter paper（GB-
100R）＋adsorbent column
Total amount 108 m3　
（ 300 L/min，6hr）

3. HCHｓ
Relatively high in the north of Japan Sea
・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）

4. Distribution of HCHs concentration in surface sea water (2010)
Ave. 2300

5. Southwest Sakhalin
Downstream site of Chang Jiang
Relationships between α/γ-HCH ratio and the latitude of sampling points

6. EF value of HCH（2005-2010） Downstream site of Chang Jiang
Southwest Sakhalin