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図4-2-1 公共用水域の環境基準（BOD又はCOD）達成率の推移
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| Title | 図4-2-1 公共用水域の環境基準（BOD又はCOD）達成率の推移 |
|---|---|
| URL | https://www.env.go.jp/policy/hakusyo/r01/excel/fd2_4_2_01.xlsx |
| Description | |
| Format | XLSX |
| File Size | 11.9 KiB |
| Last Modified Date | November 15, 2024 |
| License | CC-BY |
| Copyright | |
| Language | jpn |