指定化学物質等検討調査結果・本文に戻る　指定化学物質図表一覧に戻る

 平成13年度(2001年度)版　「化学物質と環境」
第５部　平成12年度有機スズ化合物に関する環境調査結果

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～12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 平成11年度 平成12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 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 - - - tr(0.009) nd nd nd nd nd nd nd nd nd nd nd nd nd nd
仙台湾 nd nd nd nd nd nd 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 nd nd nd nd nd nd
小名浜港 nd nd nd nd nd nd nd nd nd nd nd nd tr(0.00023) tr(0.00023) tr(0.00024) tr(0.00025) tr(0.00031) tr(0.00028)
霞ケ浦 nd nd nd nd nd nd 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 nd nd nd nd nd nd
花見川河口 - - - nd nd nd nd nd nd - - - nd nd nd nd nd nd
隅田川河口 nd nd nd 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 nd 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) nd nd nd nd nd nd
信濃川河口 nd nd nd nd nd nd 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 nd nd nd nd nd nd
諏訪湖 nd nd nd nd nd nd 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 nd nd nd - - -
名古屋港 nd nd nd 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 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 nd nd nd
宮津港 nd nd nd 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 nd nd nd
大和川河口 nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd
大阪港 - - - nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd
姫路沖 nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd nd
水島沖 - - - nd nd nd nd nd nd nd nd nd tr(0.00018) tr(0.00020) tr(0.00019) tr(0.00013) tr(0.00016) tr(0.00014)
呉港 - - - - - - - - - - - - - - - - - -
広島湾 nd nd nd nd nd nd 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 nd nd nd nd nd nd
吉野川河口 nd nd nd nd nd nd 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) nd tr(0.00025) tr(0.00057) nd nd nd
四万十川河口 nd nd nd nd nd nd 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 nd nd nd tr(0.00009) tr(0.00012) tr(0.00004)
博多湾 nd nd nd nd nd nd nd nd nd tr(0.00046) tr(0.00055) tr(0.00055) nd nd nd tr(0.00040) tr(0.00056) tr(0.00036)
洞海湾 - - - nd nd nd tr(0.0007) tr(0.0006) tr(0.0007) 0.0010 0.0012 tr(0.00090) tr(0.00053) tr(0.00047) tr(0.00055) tr(0.00027) tr(0.00029) tr(0.00025)
伊万里湾 - - - nd nd nd nd nd nd 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 0.0032 0.0012 0.0040 nd nd nd
大淀川河口 nd nd nd nd nd nd 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 nd nd nd nd nd nd
統一検出限界値 0.005 0.01 0.01 0.001 0.001 0.001
検 出 頻 度 0/87 0/108 0/108 4/102 3/105 0/102
最大値 nd tr tr 0.0015 0.0040 tr
最小値 nd nd nd nd nd nd
幾 何 平 均 0.0025 0.0027 0.0026 0.0003 0.0002 0.00044
(注)1 TBTO換算値
　2 ndは不検出、"-"は欠測、空欄部分は未調査。
　3 幾何平均値はndを各地点の検出限界値の1/2として算出した。