1. 12 May 2017 Administrative Guidance
| Authority | Ministry of Health, Labour and Welfare |
|---|---|
| Law / type | 水道水中の放射性物質に係る管理目標値の設定等について / Administrative Guidance |
| Summary | In this investigation, no water utility providers exceeded the 'management target value' (note), and none implemented intake restrictions or similar measures. |
| Source | https://www.mhlw.go.jp/stf/houdou/0000164537.html |