| 平成14年度(2002年度)版 「化学物質と環境」 | |
| 第５部 平成13年度有機スズ化合物に関する環境調査結果 |
表８-2 トリフェニルスズ化合物に関する底質調査結果 |
| （濃度単位：ng/g-dry） |
| 調 査 地 点 | 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 | 平成13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 | nd | tr(0.3) | nd | 1.0 | nd | nd | nd | nd | nd | nd | nd | nd | 0.01 | nd | nd | nd | 8.7 | nd |
| 仙台湾 | 3.0 | 3.0 | 3.0 | 3 | 2.0 | 2.0 | 2.0 | 33 | 2.0 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| 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 | 8.0 | nd | nd | 14 | 1.0 | 2.0 | 7.4 | 4.9 | 10 | 9.3 | 10 | 2.4 | nd | 2.8 | tr(0.66) |
| 霞ケ浦 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | 1.0 | nd | nd | nd |
| 市原・姉崎海岸 | nd | nd | 3.0 | nd | nd | nd | 4.0 | 3.2 | 3.6 | 15 | 6.0 | 5.0 | 5.6 | 6.6 | 9.9 | 10 | 6.8 | 7.0 |
| 花見川河口 | - | - | - | - | - | - | nd | nd | nd | nd | nd | nd | nd | nd | nd | 2.2 | nd | nd |
| 隅田川河口 | 4.5 | 4.4 | 3.5 | 1.9 | 3.2 | 2.0 | 2.3 | 3.3 | 2.4 | 1.3 | 3.7 | 1.3 | 2.3 | 2.2 | 12 | 10 | nd | 4.4 |
| 多摩川河口 | 4.2 | 3.9 | 4.5 | 3.0 | 3.5 | 2.8 | 4.1 | 5.5 | 6.3 | 1.8 | 1.9 | 2.8 | - | - | - | - | - | - |
| 横浜港 | 220 | 28 | 14 | 110 | 28 | 15 | 14 | 19 | 14 | 11 | 19 | 8.0 | 11 | 14 | 5.0 | 10 | 13 | 10 |
| 信濃川河口 | 1.2 | 1.0 | 1.0 | nd | nd | nd | nd | 2.2 | 5.7 | 1.8 | 1.1 | tr(0.71) | nd | nd | nd | nd | nd | nd |
| 犀川河口 | nd | nd | nd | nd | 0.3 | nd | nd | 2.5 | 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 | tr(0.7) | tr(0.9) | tr(0.7) | tr(0.6) | 1.0 | nd | 4.0 | 3.0 | 1.0 | 4.0 | 25 | 6.0 | 3.0 | 2.0 | 13 | 3.0 | 1.0 | 29 |
| 名古屋港 | 13 | 27 | 19 | 6.0 | 11 | 9.0 | 17 | 44 | 8.0 | nd | 2.0 | 2.0 | nd | nd | nd | nd | nd | nd |
| 四日市港 | 3.5 | 23 | nd | tr(0.9) | 74 | tr(0.9) | 2.4 | 1.4 | 1.6 | tr(0.61) | 1.4 | 2.6 | 2.2 | 2.1 | 2.4 | 1.5 | 1.4 | 3.8 |
| 琵琶湖南湖 | nd | nd | nd | nd | nd | nd | - | - | - | - | - | - | - | - | - | nd | nd | nd |
| 宮津港 | nd | nd | nd | nd | nd | nd | nd | tr(0.72) | nd | tr(0.43) | nd | nd | nd | tr(0.76) | nd | nd | nd | 1.0 |
| 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 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 大阪港 | - | - | - | - | - | - | nd | nd | nd | nd | nd | nd | 1.1 | 2.8 | 2.2 | 15 | 9.0 | 14 |
| 姫路沖 | nd | nd | nd | - | - | - | nd | nd | nd | nd | nd | nd | nd | 1.0 | 1.0 | 4.0 | 1.0 | nd |
| 水島沖 | nd | nd | nd | nd | nd | nd | 2.7 | 3.1 | 1.3 | 2.4 | 2.7 | 2.2 | 3.2 | 3.1 | 2.1 | 1.0 | 1.1 | 1.2 |
| 呉港 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 広島湾 | 8.0 | 33 | 6.0 | 4.0 | 3.0 | 9.0 | 4.1 | 5.3 | 4.7 | nd | nd | 4.0 | 7.0 | 5.0 | 5.0 | 7.1 | 11 | 4.0 |
| 徳山湾 | nd | nd | nd | 9.9 | 2.3 | 2.1 | 3.9 | 1.5 | - | 2.0 | 2.4 | 1.6 | 1.5 | 2.0 | 1.5 | 1.8 | 2.5 | 1.5 |
| 吉野川河口 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | tr(0.11) | tr(0.21) | tr(0.16) | 3.3 | 3.4 | 3.3 |
| 高松港 | 1.6 | 7.4 | 2.6 | nd | nd | tr(0.8) | 1.2 | 1.8 | 1.9 | tr(0.74) | nd | tr(0.71) | 6.3 | 3.4 | 4.2 | tr(0.75) | nd | tr(0.91) |
| 四万十川河口 | nd | nd | nd | nd | nd | nd | 2.0 | - | - | - | - | - | nd | nd | nd | nd | nd | nd |
| 大牟田沖 | 1.0 | nd | 3.0 | 8.2 | 9.0 | 17 | 1.4 | tr(0.7) | 1.2 | nd | tr(0.82) | nd | tr(0.9) | tr(0.5) | 4.9 | 2.0 | nd | nd |
| 博多湾 | 1.4 | 1.5 | 1.2 | 2.0 | 3.0 | 2.0 | 1.9 | 2.7 | 2.2 | 1.6 | tr(0.72) | 1.0 | tr(0.73) | 1.5 | 2.6 | 2.2 | nd | nd |
| 洞海湾 | 43 | 18 | 8.0 | - | - | 11 | 6.6 | 65 | 8.0 | 11 | 9.5 | 10 | 12 | 5.0 | 47 | 7.6 | 5.6 | 6.5 |
| 伊万里湾 | 10 | 6.0 | 7.0 | 22 | 10 | 11 | 2.5 | - | - | 14 | 26 | 62 | 4.9 | 2.4 | 5.9 | 2.6 | 2.6 | 5.2 |
| 長崎港 | 22 | 10 | 11 | 8.2 | 9.0 | 17 | 13 | 17 | 20 | 8.0 | 5.0 | 23 | 20 | 70 | 30 | 17 | 7.6 | 13 |
| 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 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | ||||||||||||
| 検 出 頻 度 | 41/99 | 39/91 | 54/94 | 45/99 | 52/96 | 49/102 | ||||||||||||
| 最大値 | 220 | 110 | 65 | 62 | 70 | 29 | ||||||||||||
| 最小値 | nd | nd | nd | nd | nd | nd | ||||||||||||
| 幾 何 平 均 | 1.4 | 1.7 | 1.5 | 1.1 | 1.6 | 1.2 | ||||||||||||
| (注) | 1 TBTO換算値 |
| 2 ndは不検出、"-"は欠測または未調査。 | |
| 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。 |