(単位:μg/g-dry)
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 |
nd |
nd |
nd |
堤川河口 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
仙台湾 |
0.004 |
0.004 |
0.003 |
0.001 |
0.002 |
0.002 |
0.005 |
0.005 |
0.009 |
0.003 |
0.005 |
0.003 |
0.006 |
- |
- |
八郎湖 |
nd |
nd |
nd |
- |
- |
- |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
小名浜港 |
0.006 |
0.045 |
0.066 |
0.011 |
0.017 |
0.011 |
nd |
nd |
nd |
0.001 |
0.001 |
0.001 |
0.004 |
0.003 |
nd |
霞ケ浦 |
- |
- |
- |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
市原・姉崎海岸 |
0.019 |
0.030 |
0.0085 |
0.018 |
0.007 |
0.003 |
0.021 |
0.008 |
0.035 |
nd |
nd |
nd |
nd |
nd |
nd |
花見川河口 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
隅田川河口 |
0.012 |
0.015 |
0.038 |
0.0025 |
0.0048 |
0.0019 |
0.0034 |
0.0039 |
0.0025 |
0.0032 |
0.0032 |
0.0032 |
0.0068 |
0.0067 |
0.0059 |
多摩川河口 |
0.011 |
0.019 |
0.015 |
0.0030 |
0.0040 |
0.0052 |
0.014 |
0.018 |
0.016 |
0.0067 |
0.0058 |
0.0066 |
0.0026 |
0.0031 |
0.0041 |
横浜港 |
0.031 |
0.039 |
0.038 |
0.040 |
0.087 |
0.032 |
0.007 |
0.003 |
0.009 |
0.018 |
0.024 |
0.009 |
0.010 |
0.018 |
0.012 |
信濃川河口 |
0.003 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.0026 |
nd |
犀川河口 |
0.0031 |
nd |
0.0070 |
nd |
nd |
0.0014 |
0.0056 |
nd |
nd |
nd |
0.0009 |
0.0027 |
nd |
nd |
0.0021 |
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 |
0.001 |
0.001 |
0.001 |
0.002 |
0.001 |
0.002 |
名古屋港 |
0.011 |
0.001 |
0.016 |
0.006 |
nd |
0.002 |
0.010 |
0.006 |
0.001 |
0.002 |
0.003 |
0.004 |
nd |
0.006 |
nd |
四日市港 |
0.022 |
0.007 |
0.005 |
0.0099 |
0.013 |
0.0080 |
0.024 |
0.013 |
0.016 |
0.0081 |
0.0070 |
0.0071 |
0.0042 |
0.019 |
- |
琵琶湖南湖 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
宮津港 |
nd |
nd |
nd |
0.0048 |
nd |
nd |
0.0019 |
0.0016 |
0.0018 |
nd |
nd |
nd |
nd |
0.0041 |
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 |
- |
- |
- |
0.007 |
0.010 |
0.010 |
- |
- |
- |
0.003 |
0.004 |
0.002 |
- |
- |
- |
大阪港 |
0.13 |
0.094 |
0.11 |
nd |
0.34 |
0.13 |
0.025 |
0.013 |
0.013 |
0.052 |
0.066 |
0.054 |
0.072 |
0.013 |
0.011 |
姫路沖 |
0.011 |
0.018 |
0.024 |
0.0029 |
0.0087 |
0.0084 |
0.001 |
nd |
0.001 |
- |
- |
- |
- |
- |
- |
水島沖 |
0.021 |
0.028 |
0.058 |
0.022 |
0.012 |
0.050 |
0.0051 |
0.0043 |
0.0039 |
0.0009 |
0.0016 |
0.0006 |
0.0021 |
0.0015 |
nd |
呉港 |
0.038 |
0.067 |
0.041 |
0.038 |
0.049 |
0.065 |
|
|
|
|
|
|
|
|
|
広島湾 |
|
|
|
|
|
|
0.011 |
0.028 |
0.010 |
0.010 |
0.0074 |
0.0076 |
0.016 |
0.0098 |
0.011 |
徳山湾 |
0.001 |
tr(0.0008) |
tr(0.0008) |
tr(0.0005) |
tr(0.0006) |
tr(0.0005) |
0.0019 |
0.0010 |
0.0010 |
0.0019 |
0.0012 |
0.0015 |
0.0026 |
0.0011 |
0.0015 |
吉野川河口 |
|
|
|
nd |
nd |
nd |
nd |
nd |
0.001 |
nd |
nd |
nd |
nd |
nd |
nd |
高松港 |
0.041 |
0.0091 |
0.0045 |
0.0036 |
0.0023 |
0.0010 |
0.0085 |
0.0032 |
0.0012 |
0.0029 |
0.0018 |
0.0007 |
0.0056 |
0.0031 |
0.0061 |
四万十川河口 |
nd |
nd |
nd |
- |
- |
- |
nd |
nd |
0.001 |
nd |
nd |
nd |
tr(0.0008) |
nd |
0.013 |
大牟田沖 |
- |
- |
- |
0.0016 |
- |
0.012 |
0.011 |
0.023 |
nd |
0.001 |
0.012 |
0.004 |
- |
- |
0.013 |
博多湾 |
0.0035 |
0.0032 |
0.0028 |
0.011 |
0.014 |
0.0083 |
0.0031 |
0.0033 |
0.0026 |
0.0040 |
0.0033 |
0.0044 |
0.0013 |
0.0013 |
0.0012 |
洞海湾 |
0.056 |
0.077 |
0.099 |
0.019 |
0.16 |
0.060 |
0.090 |
0.033 |
- |
0.15 |
0.052 |
0.022 |
0.26 |
0.12 |
0.04 |
伊万里湾 |
|
|
|
|
|
|
0.0089 |
0.0059 |
0.0033 |
0.0086 |
0.016 |
0.0049 |
0.0099 |
0.015 |
0.005 |
長崎港 |
0.028 |
0.010 |
0.007 |
0.026 |
0.009 |
0.012 |
0.0022 |
0.0023 |
0.0097 |
0.010 |
0.0079 |
0.0051 |
tr(0.0009) |
tr(0.0009) |
tr(0.0005) |
大淀川河口 |
nd |
nd |
nd |
nd |
nd |
0.001 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.001 |
nd |
五反田川五反田橋 |
nd |
nd |
nd |
0.002 |
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 |
52/81 |
55/89 |
57/95 |
55/96 |
47/88 |
最 大 値 |
0.13 |
0.34 |
0.09 |
0.15 |
0.26 |
最 小 値 |
nd |
nd |
nd |
nd |
nd |
幾 何 平 均 |
0.0048 |
0.0033 |
0.0023 |
0.0018 |
0.0022 |
|