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 |
(注) | 1 TPTCl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を各地点ごとの検出限界値の 1/2として算出した。 |