土壌中の放射性物質検査結果(小平市 薬用植物園)
Levels of radioactive materials in the soil (Kodaira-shi, Tokyo Metropolitan Medical Plant Garden)
測定場所: | 東京都薬用植物園敷地内(東京都小平市中島町) |
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測定器種類: | ゲルマニウム半導体検出器 |
The sampling and measurement are conducted at the Tokyo Metropolitan Medical Plant Garden (Nakajima-machi, Kodaira-shi, Tokyo).
The measurement is conducted using a germanium semiconductor detector.
放射性物質 Radioactive material |
採取 年月日 Sampling date |
深さ0~5cm Depth, 0 to 5 cm |
深さ5~20cm Depth, 5 to 20 cm |
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Bq/kg (乾土・over-dry soil) |
Bq/m2※ | Bq/kg (乾土・over-dry soil) |
Bq/m2※ | ||||||
検出値 Value |
検出 限界値 Detection Limit |
検出値 Value |
検出 限界値 Detection Limit |
検出値 Value |
検出 限界値 Detection Limit |
検出値 Value |
検出 限界値 Detection Limit |
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ヨウ素 131 131I |
2024-09-09 | ND | < 1.1 | ND | < 21 | ND | < 1.7 | ND | < 120 |
2023-09-04 | ND | < 2.7 | ND | < 70 | ND | < 3.0 | ND | < 230 | |
2022-09-05 | ND | < 4.7 | ND | < 110 | ND | < 5.8 | ND | < 400 | |
2021-09-06 | ND | < 0.92 | ND | < 24 | ND | < 0.76 | ND | < 63 | |
2020-09-28 | ND | < 1.5 | ND | < 43 | ND | < 1.4 | ND | < 110 | |
2019-10-28 | ND | < 54 | ND | < 1300 | ND | < 64 | ND | < 4400 | |
2018-10-15 | ND | < 12 | ND | < 280 | ND | < 19 | ND | < 1600 | |
2017-11-17 | ND | < 12 | ND | < 270 | ND | < 15 | ND | < 1100 | |
セシウム 134 134Cs |
2024-09-09 | ND | < 0.83 | ND | < 18 | ND | < 0.76 | ND | < 52 |
2023-09-04 | 1.0 | 26 | ND | < 0.73 | ND | < 57 | |||
2022-09-05 | 0.85 | 18 | ND | < 0.90 | ND | < 64 | |||
2021-09-06 | 3.1 | 81 | 0.63 | 52 | |||||
2020-09-28 | 2.3 | 69 | 0.38 | 29 | |||||
2019-10-28 | 4.2 | 96 | 0.86 | 60 | |||||
2018-10-15 | 4.2 | 100 | 1.0 | 87 | |||||
2017-11-17 | 4.0 | 91 | 1.5 | 110 | |||||
セシウム 137 137Cs |
2024-09-09 | 38 | 790 | 26 | 1800 | ||||
2023-09-04 | 47 | 1200 | 24 | 1900 | |||||
2022-09-05 | 41 | 900 | 28 | 2000 | |||||
2021-09-06 | 79 | 2000 | 14 | 1100 | |||||
2020-09-28 | 45 | 1400 | 14 | 1100 | |||||
2019-10-28 | 62 | 1400 | 12 | 810 | |||||
2018-10-15 | 44 | 1100 | 10 | 830 | |||||
2017-11-17 | 35 | 800 | 17 | 1200 |
- ※1 ND:不検出
- ※2 本測定では、実際に測定した土壌の密度等にもとづいて1平方メートルあたりのベクレル数(Bq/m2)を算出しています。
- ※1 ND:Not Detectable
- ※2 Values are calculated using actually measured density and other factors of the soil, with a unit of Bq/m2.