Additional Information
| Title | 図4-1-7 測定時間数の濃度レベル別割合の推移（一般局） |
|---|---|
| URL | http://www.env.go.jp/policy/hakusyo/h30/excel/fd2_4_1_07.xlsx |
| Description | |
| Format | XLSX |
| File Size | 10,366 |
| Last Modified Date | June 15, 2023 |
| License | CC-BY |
| Copyright | |
| Language |
| Title | 図4-1-7 測定時間数の濃度レベル別割合の推移（一般局） |
|---|---|
| URL | http://www.env.go.jp/policy/hakusyo/h30/excel/fd2_4_1_07.xlsx |
| Description | |
| Format | XLSX |
| File Size | 10,366 |
| Last Modified Date | June 15, 2023 |
| License | CC-BY |
| Copyright | |
| Language |