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| 1 | Environmental Quality Standards for Groundwater | 地下水の水質汚濁に係る環境基準 | |||
| 2 | environmental quality standards for groundwater | 地下水環境基準 | |||
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|---|---|---|---|---|---|
| 1 | Environmental Quality Standards for Groundwater | 地下水の水質汚濁に係る環境基準 | |||
| 2 | environmental quality standards for groundwater | 地下水環境基準 | |||