{
  "fields": [{"id":"_id","type":"int"},{"id":"地域の類型","type":"text"},{"id":"基準値（WECPNL）平成24年度まで","type":"text"},{"id":"基準値（Lden）平成25年度から","type":"text"}],
  "records": [
    [1,"","70（−）以下","57（dB）以下"],
    [2,"","75（−）以下","62（dB）以下"]
]}