(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 |
0.0013 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
堤川河口 |
|
|
|
0.0015 |
0.0045 |
0.0027 |
0.0087 |
0.011 |
0.011 |
0.0067 |
0.0055 |
0.0055 |
0.0083 |
0.0091 |
0.012 |
仙台湾 |
0.025 |
0.029 |
0.025 |
0.017 |
0.026 |
0.021 |
0.020 |
0.025 |
0.013 |
0.018 |
0.019 |
0.019 |
0.016 |
0.017 |
0.017 |
八郎湖 |
nd |
tr(0.0003) |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
- |
- |
- |
nd |
nd |
nd |
小名浜港 |
0.023 |
0.018 |
0.021 |
0.006 |
0.010 |
0.005 |
0.059 |
0.047 |
0.031 |
0.020 |
0.0055 |
0.0083 |
0.055 |
0.027 |
0.049 |
霞ケ浦 |
0.0035 |
0.0033 |
0.0034 |
0.0052 |
0.0036 |
0.0031 |
0.0032 |
0.0036 |
0.0027 |
0.0058 |
0.0045 |
0.0046 |
0.0059 |
0.0088 |
0.0048 |
市原・姉崎海岸 |
0.005 |
0.028 |
0.082 |
0.030 |
0.018 |
0.064 |
0.005 |
0.036 |
0.093 |
0.12 |
0.042 |
0.15 |
0.096 |
0.099 |
0.23 |
花見川河口 |
0.0078 |
0.0058 |
0.0065 |
0.016 |
0.020 |
0.0023 |
|
|
|
0.0036 |
0.004 |
0.0051 |
- |
- |
0.0021 |
隅田川河口 |
0.21 |
0.17 |
0.15 |
0.25 |
0.17 |
0.26 |
0.24 |
0.21 |
0.23 |
0.18 |
0.16 |
0.18 |
0.19 |
0.30 |
0.12 |
多摩川河口 |
0.074 |
0.060 |
0.057 |
0.11 |
0.11 |
0.12 |
0.095 |
0.099 |
0.097 |
0.10 |
0.11 |
0.11 |
0.047 |
0.067 |
0.093 |
横浜港 |
0.14 |
0.15 |
0.088 |
0.051 |
0.091 |
0.073 |
0.096 |
0.10 |
0.074 |
0.22 |
0.18 |
0.13 |
0.15 |
0.27 |
0.14 |
信濃川河口 |
0.0046 |
0.0072 |
nd |
0.0071 |
0.013 |
0.015 |
0.013 |
0.011 |
0.013 |
0.17 |
0.24 |
0.13 |
0.0024 |
0.0010 |
nd |
犀川河口 |
0.029 |
0.0026 |
0.260 |
0.016 |
0.029 |
0.048 |
0.0044 |
0.011 |
0.010 |
0.0069 |
0.0085 |
nd |
- |
0.018 |
- |
諏訪湖 |
0.0061 |
0.0066 |
0.0069 |
0.0051 |
0.0069 |
0.0068 |
0.0045 |
0.0057 |
0.0045 |
0.005 |
0.005 |
0.006 |
0.0031 |
0.0049 |
0.0035 |
清水港 |
0.012 |
0.019 |
0.020 |
0.0089 |
0.0083 |
0.0067 |
0.011 |
0.014 |
0.012 |
0.020 |
0.005 |
0.011 |
0.042 |
0.023 |
0.028 |
名古屋港 |
0.10 |
0.094 |
0.026 |
0.93 |
0.23 |
0.21 |
0.17 |
0.15 |
0.13 |
0.73 |
0.39 |
0.065 |
0.034 |
0.020 |
0.026 |
四日市港 |
0.030 |
0.053 |
0.015 |
0.019 |
0.045 |
0.0064 |
0.0022 |
0.049 |
0.017 |
0.025 |
0.044 |
0.017 |
0.017 |
0.017 |
0.010 |
琵琶湖南湖 |
0.0047 |
0.0052 |
0.0075 |
0.011 |
0.0086 |
0.014 |
0.0075 |
0.0089 |
0.0090 |
0.0086 |
0.015 |
0.020 |
0.0044 |
0.016 |
0.0066 |
宮津港 |
0.0009 |
0.0015 |
0.0018 |
0.0015 |
0.0010 |
0.0007 |
nd |
nd |
nd |
0.0082 |
0.0028 |
0.0092 |
0.00095 |
0.00096 |
0.0015 |
桂川宮前橋 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.0008 |
nd |
nd |
nd |
nd |
nd |
大和川河口 |
0.002 |
0.002 |
- |
0.025 |
0.015 |
0.046 |
0.009 |
0.012 |
0.021 |
nd |
nd |
nd |
0.004 |
0.002 |
0.002 |
大阪港 |
0.50 |
0.57 |
0.34 |
0.22 |
0.27 |
0.21 |
0.18 |
0.18 |
0.21 |
0.12 |
0.066 |
0.036 |
0.017 |
0.035 |
0.073 |
姫路沖 |
0.014 |
0.004 |
0.013 |
0.002 |
0.001 |
0.005 |
0.004 |
0.004 |
0.003 |
nd |
nd |
nd |
0.026 |
0.020 |
0.018 |
水島沖 |
0.013 |
0.012 |
0.012 |
0.014 |
0.012 |
0.013 |
0.016 |
0.015 |
0.013 |
0.013 |
0.017 |
0.013 |
0.015 |
0.016 |
0.016 |
呉港 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
広島湾 |
0.068 |
0.080 |
0.090 |
0.038 |
0.031 |
0.041 |
0.025 |
0.029 |
0.022 |
0.035 |
0.069 |
0.050 |
0.045 |
0.054 |
0.062 |
徳山湾 |
0.0099 |
0.0081 |
0.012 |
0.01 |
0.0054 |
0.015 |
0.031 |
0.026 |
0.026 |
0.016 |
0.016 |
0.020 |
0.047 |
0.025 |
0.025 |
吉野川河口 |
0.0011 |
nd |
nd |
0.0009 |
0.0010 |
0.0029 |
0.0045 |
nd |
nd |
tr(0.0007) |
0.0008 |
0.0039 |
nd |
nd |
nd |
高松港 |
0.34 |
0.077 |
0.072 |
0.029 |
0.012 |
0.018 |
0.066 |
0.020 |
0.034 |
0.10 |
0.051 |
0.054 |
0.10 |
0.059 |
0.048 |
四万十川河口 |
0.012 |
tr(0.0003) |
0.0019 |
0.0007 |
0.0066 |
0.0064 |
0.0008 |
0.0008 |
tr(0.0001) |
0.0028 |
0.0021 |
0.0017 |
0.004 |
0.030 |
- |
大牟田沖 |
0.53 |
0.09 |
0.11 |
0.016 |
0.016 |
0.012 |
0.018 |
0.045 |
0.0081 |
0.010 |
0.0074 |
0.0069 |
0.0032 |
0.0069 |
0.0067 |
博多湾 |
0.010 |
0.0084 |
0.014 |
0.0063 |
0.0064 |
0.0070 |
0.0018 |
0.0015 |
0.0013 |
0.014 |
0.046 |
0.021 |
0.017 |
0.025 |
0.018 |
洞海湾 |
0.24 |
0.12 |
0.037 |
0.17 |
0.19 |
0.055 |
0.082 |
0.056 |
0.072 |
0.051 |
0.17 |
0.092 |
0.079 |
0.11 |
0.13 |
伊万里湾 |
0.073 |
0.078 |
0.095 |
0.127 |
0.157 |
0.238 |
0.098 |
0.099 |
0.079 |
0.041 |
0.10 |
0.10 |
0.087 |
0.20 |
0.45 |
長崎港 |
0.059 |
0.035 |
0.083 |
0.057 |
0.023 |
0.034 |
0.025 |
0.021 |
0.028 |
0.092 |
0.093 |
0.090 |
0.089 |
0.031 |
0.13 |
大淀川河口 |
0.0021 |
nd |
0.0016 |
0.0007 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.0051 |
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 |
0.0008 |
0.0006 |
0.0008 |
0.0008 |
0.0008 |
検 出 頻 度 |
87/104 |
94/108 |
85/105 |
86/105 |
85/103 |
最 大 値 |
0.57 |
0.93 |
0.24 |
0.73 |
0.45 |
最 小 値 |
nd |
nd |
nd |
nd |
nd |
幾 何 平 均 |
0.013 |
0.011 |
0.009 |
0.013 |
0.011 |
|