(単位:μg/g-dry)
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 |
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 |
堤川河口 |
|
|
|
nd |
tr(0.0003) |
nd |
0.001 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
仙台湾 |
- |
- |
- |
0.003 |
0.003 |
0.003 |
0.003 |
0.002 |
0.002 |
0.002 |
0.033 |
0.002 |
0.002 |
0.001 |
0.001 |
八郎湖 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
小名浜港 |
0.001 |
0.001 |
nd |
nd |
nd |
nd |
0.008 |
nd |
nd |
0.014 |
0.001 |
0.002 |
0.0074 |
0.0049 |
0.010 |
霞ケ浦 |
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 |
0.003 |
nd |
nd |
nd |
0.0040 |
0.0032 |
0.0036 |
0.015 |
0.0060 |
0.0050 |
花見川河口 |
- |
- |
0.0028 |
- |
- |
- |
- |
- |
- |
nd |
nd |
nd |
nd |
nd |
nd |
隅田川河口 |
0.0027 |
0.0039 |
0.0029 |
0.0045 |
0.0044 |
0.0035 |
0.0019 |
0.0032 |
0.0020 |
0.0023 |
0.0033 |
0.0024 |
0.0013 |
0.0037 |
0.0013 |
多摩川河口 |
0.0030 |
0.0027 |
0.0023 |
0.0042 |
0.0039 |
0.0045 |
0.0030 |
0.0035 |
0.0028 |
0.0041 |
0.0055 |
0.0063 |
0.0018 |
0.0019 |
0.0028 |
横浜港 |
0.013 |
0.014 |
0.007 |
0.22 |
0.028 |
0.014 |
0.11 |
0.028 |
0.015 |
0.014 |
0.019 |
0.014 |
0.011 |
0.019 |
0.008 |
信濃川河口 |
nd |
0.0026 |
nd |
0.0012 |
0.0010 |
0.0010 |
nd |
nd |
nd |
nd |
0.0022 |
0.0057 |
0.0018 |
0.0011 |
tr(0.00071) |
犀川河口 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.28 |
nd |
nd |
0.0025 |
nd |
nd |
nd |
nd |
諏訪湖 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
清水港 |
0.0012 |
tr(0.0008) |
0.0016 |
tr(0.0007) |
tr(0.0009) |
tr(0.0007) |
tr(0.0006) |
0.001 |
nd |
0.004 |
0.003 |
0.001 |
0.004 |
0.025 |
0.006 |
名古屋港 |
0.0046 |
0.0065 |
0.0038 |
0.013 |
0.027 |
0.019 |
0.006 |
0.011 |
0.009 |
0.017 |
0.044 |
0.008 |
nd |
0.002 |
0.002 |
四日市港 |
0.015 |
nd |
nd |
0.0035 |
0.023 |
nd |
tr(0.0009) |
0.074 |
tr(0.0009) |
0.0024 |
0.0014 |
0.0016 |
tr(0.00061) |
0.0014 |
0.0026 |
琵琶湖南湖 |
- |
- |
- |
nd |
nd |
nd |
nd |
nd |
nd |
- |
- |
- |
- |
- |
- |
宮津港 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
tr(0.00072) |
nd |
tr(0.00043) |
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 |
0.004 |
0.006 |
0.006 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
大阪港 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
nd |
nd |
nd |
nd |
nd |
nd |
姫路沖 |
nd |
nd |
nd |
nd |
nd |
nd |
- |
- |
- |
nd |
nd |
nd |
nd |
nd |
nd |
水島沖 |
0.0017 |
0.0023 |
- |
nd |
nd |
nd |
nd |
nd |
nd |
0.0027 |
0.0031 |
0.0013 |
0.0024 |
0.0027 |
0.0022 |
呉港 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
広島湾 |
0.013 |
0.032 |
0.016 |
0.008 |
0.033 |
0.006 |
0.004 |
0.003 |
0.009 |
0.0041 |
0.0053 |
0.0047 |
nd |
nd |
0.004 |
徳山湾 |
0.0018 |
0.0012 |
0.0015 |
nd |
nd |
nd |
0.0099 |
0.0023 |
0.0021 |
0.0039 |
0.0015 |
- |
0.0020 |
0.0024 |
0.0016 |
吉野川河口 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
高松港 |
0.0078 |
0.0030 |
nd |
0.0016 |
0.0074 |
0.0026 |
nd |
nd |
tr(0.0008) |
0.0012 |
0.0018 |
0.0019 |
tr(0.00074) |
nd |
tr(0.00071) |
四万十川河口 |
0.012 |
nd |
tr(0.0008) |
nd |
nd |
nd |
nd |
nd |
nd |
0.002 |
- |
- |
- |
- |
- |
大牟田沖 |
0.019 |
0.028 |
0.11 |
0.001 |
nd |
0.003 |
0.0082 |
0.0090 |
0.017 |
0.0014 |
tr(0.0007) |
0.0012 |
nd |
tr(0.00082) |
nd |
博多湾 |
0.0013 |
0.0013 |
0.0026 |
0.0014 |
0.0015 |
0.0012 |
0.002 |
0.003 |
0.002 |
0.0019 |
0.0027 |
0.0022 |
0.0016 |
tr(0.00072) |
0.0010 |
洞海湾 |
0.067 |
0.011 |
0.0044 |
0.043 |
0.018 |
0.008 |
- |
- |
0.011 |
0.0066 |
0.065 |
0.0080 |
0.011 |
0.0095 |
0.010 |
伊万里湾 |
0.003 |
0.003 |
0.003 |
0.010 |
0.006 |
0.007 |
0.022 |
0.010 |
0.011 |
0.0025 |
- |
- |
0.014 |
0.026 |
0.062 |
長崎港 |
0.0053 |
0.0038 |
0.013 |
0.022 |
0.010 |
0.011 |
0.0082 |
0.0090 |
0.017 |
0.013 |
0.017 |
0.020 |
0.0080 |
0.0050 |
0.023 |
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 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
統一検出限界値 |
0.001 |
0.001 |
0.001 |
0.001 |
0.001 |
検 出 頻 度 |
48/93 |
41/99 |
39/91 |
54/94 |
45/99 |
最 大 値 |
0.11 |
0.22 |
0.28 |
0.065 |
0.062 |
最 小 値 |
nd |
nd |
nd |
nd |
nd |
幾 何 平 均 |
0.0017 |
0.0014 |
0.0017 |
0.0015 |
0.0011 |
) |