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    [38,"注1　「< 」は検出下限値未満を表す。","","",null,"","","",null,null,"",null,null,"",null,"",null,"",null],
    [39,"注2　調査地点ごとの年平均値は測定値を算術平均して求め、測定値が検出下限値未満の場合は、検出下限値の1/2として年平均値の算出に用いた。","","",null,"","","",null,null,"",null,null,"",null,"",null,"",null],
    [40,"注3　「－ 」はデータが欠測であることを示す。","","",null,"","","",null,null,"",null,null,"",null,"",null,"",null]
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