有機スズ化合物に関する環境調査結果・本文に戻る　有機スズ化合物表一覧に戻る

第５部 平成10年度有機スズ化合物に関する環境調査結果の概要

　

表１１　トリフェニルスズ化合物に関する水質調査結果（平成７年度～１０年度指定化学物質等検討調査より）
　
（単位：μg/l）
調 査 地 点 平成７年度 平成８年度 平成９年度 平成１０年度
検体１ 検体2 検体3 検体１ 検体2 検体3 検体１ 検体2 検体3 検体１ 検体2 検体3
石狩川河口 nd nd nd nd nd nd nd nd nd - - -
堤川河口       tr(0.009) nd nd nd nd nd nd nd nd
仙台湾 nd nd nd nd nd nd nd nd nd nd nd nd
八郎湖 nd nd nd nd nd nd nd nd nd nd nd nd
小名浜港 nd nd nd nd nd nd nd nd nd nd nd nd
霞ケ浦 nd nd nd nd nd nd nd nd nd nd nd nd
市原・姉崎海岸 nd nd nd nd nd nd nd nd nd nd nd nd
花見川河口 - - - nd nd nd nd nd nd - - -
隅田川河口 nd nd nd nd nd nd nd nd nd nd nd nd
　多摩川河口 nd nd nd nd nd nd nd nd nd nd nd nd
横浜港 nd nd nd nd nd nd nd nd nd tr(0.0006) tr(0.0006) tr(0.0007)
信濃川河口 nd nd nd nd nd nd nd nd nd nd nd nd
犀川河口 nd nd nd nd nd nd nd nd nd nd nd nd
諏訪湖 nd nd nd nd nd nd nd nd nd nd nd nd
清水港 nd nd nd nd nd nd nd nd nd nd nd nd
名古屋港 nd nd nd nd nd nd nd nd nd nd nd nd
四日市港 nd nd nd nd nd nd nd nd nd nd nd nd
琵琶湖南湖 nd nd nd nd nd nd nd nd nd nd nd nd
宮津港 nd nd nd nd nd nd nd nd nd nd nd nd
桂川宮前橋 nd nd nd nd nd nd nd nd nd nd nd nd
大和川河口 nd nd nd nd nd nd nd nd nd nd nd nd
大阪港 - - - nd nd nd nd nd nd nd nd nd
姫路沖 nd nd nd nd nd nd nd nd nd nd nd nd
水島沖 - - - nd nd nd nd nd nd nd nd nd
呉港                        
広島湾 nd nd nd nd nd nd nd nd nd nd nd nd
徳山湾 nd nd nd nd nd nd nd nd nd nd nd nd
吉野川河口 nd nd nd nd nd nd nd nd nd nd nd nd
高松港 nd nd nd nd nd nd nd nd nd tr(0.00083) 0.0015 tr(0.00030)
四万十川河口 nd nd nd nd nd nd nd nd nd nd nd nd
大牟田沖 - - - nd nd nd nd nd nd nd nd nd
博多湾 nd nd nd nd nd nd nd nd nd tr(0.00046) tr(0.00055) tr(0.00055)
洞海湾 - - - nd nd nd tr(0.0007) tr(0.0006) tr(0.0007) 0.0010 0.0012 tr(0.00090)
伊万里湾 - - - nd nd nd nd nd nd nd nd nd
長崎港 nd nd nd nd nd nd nd nd nd tr(0.00060) tr(0.00060) 0.0010
大淀川河口 nd nd nd nd nd nd nd nd nd nd nd nd
五反田川五反田橋 nd nd nd nd nd nd nd nd nd nd nd nd
統一検出限界値 0.005 0.01 0.01 0.001
検 出 頻 度 0/87 0/108 0/108 4/102
最 大 値 nd tr tr 0.0015
最 小 値 nd nd nd nd
幾 何 平 均 0.0025 0.0027 0.0026 0.00031