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１０　トリフェニルスズ化合物に関する水質調査結果（平成２年度～６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２年度 平成３年度 平成４年度 平成５年度 平成６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 検体１ 検体2 検体3
石狩川河口 - - - nd nd nd nd nd nd nd nd nd nd nd nd
堤川河口                              
仙台湾 nd nd nd nd nd nd nd nd nd nd nd 0.011 0.005 0.01 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 nd nd nd
霞ケ浦 - - - nd 0.013 nd nd nd nd nd nd nd nd nd nd
市原・姉崎海岸 0.006 nd nd nd nd nd nd nd nd nd nd nd nd nd nd
花見川河口                              
隅田川河口 nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd
　多摩川河口 nd nd nd nd nd 0.014 nd nd nd nd nd nd nd nd nd
横浜港 nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd
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 0.007 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 0.005 0.006 nd nd nd nd nd nd nd nd nd nd nd nd nd
四日市港 - - - - - - - - - nd nd nd nd nd nd
琵琶湖南湖 nd nd nd 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 nd nd nd
桂川宮前橋 nd nd nd 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 nd nd nd
大阪港 - - - nd nd nd - - - - - - - - -
姫路沖 nd nd nd nd nd nd nd nd nd - - - - - -
水島沖 0.012 0.014 0.014 nd nd nd 0.006 0.008 0.007 0.008 nd nd nd nd nd
呉港 nd nd nd nd nd nd                  
広島湾             nd nd nd nd nd nd nd nd nd
徳山湾 0.005 0.005 0.005 nd nd nd nd nd nd nd nd nd nd nd nd
吉野川河口       nd nd nd 0.04 0.044 0.016 nd nd nd nd nd nd
高松港 nd 0.014 0.01 nd nd nd nd nd nd nd nd nd nd nd nd
四万十川河口 - - - - - - 0.005 0.013 nd nd nd nd nd nd nd
大牟田沖 nd nd nd - - - - - - - - - - - -
博多湾 nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd
洞海湾 0.047 0.041 0.048 0.0076 0.0088 nd - - - nd nd nd 0.006 0.007 -
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 nd nd nd nd nd nd
大淀川河口 nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd
五反田川五反田橋 nd 0.01 0.02 nd nd nd nd 0.006 nd nd nd nd nd nd nd
統一検出限界値 0.005 0.005 0.005 0.005 0.005
検 出 頻 度 16/75 4/87 10/90 2/90 4/92
最 大 値 0.048 0.014 0.044 0.011 0.01
最 小 値 nd nd nd nd nd
幾 何 平 均 0.0034 0.0027 0.0030 0.0026 0.0026