Spatial radiation dose local measurement results in Inagi Fureai no Mori (updated on February 1, 2017)
Updated: February 1, 2017
We have measured the air radiation dose within the Inagi Fureai no Mori facility based on the city's air radiation dose measurement response policy, and we would like to announce the results.
In addition, during this measurement, there were no locations that required cleaning, etc. (locations that exceeded the judgment standard value (0.23 microsieverts per hour)).
Measurement results (conducted in 2016)
| Name of facility | measuring date | weather | Measurement location | Measured value (unit: microsieverts per hour) |
|---|---|---|---|---|
| 1 centimeter on the ground | ||||
| Inagi Fureai Forest | 2016 December 19th |
sunny | next to the parking lot | 0.027 |
| Gutter (on the south side of the old leader hut) | 0.047 | |||
| Management hut (west side) | 0.053 | |||
| Management hut (entrance) | 0.039 | |||
| summit table | 0.053 | |||
| Kitchen (side) | 0.039 | |||
| Gutter (in front of footbath) | 0.041 | |||
| in the kitchen | 0.050 | |||
| South outer road (under the stairs) | 0.030 | |||
| fire field | 0.034 | |||
| Fire field (stage) | 0.026 | |||
| south perimeter | 0.032 | |||
| Chojuan | 0.032 | |||
| Minami no Izumi (above the bridge) | 0.033 | |||
| Southern spring (above the water) | 0.043 | |||
| Hinokisha | 0.067 | |||
| North Perimeter Road (Sawa) | 0.038 | |||
| north perimeter | 0.023 | |||
| Tent site (north) | 0.051 | |||
| Tent site (west) | 0.032 | |||
| Tent site (east) | 0.022 | |||
| Tent site (south) | 0.038 |
【explanation】
When converted from 0.23 microsieverts per hour to 0.99864 millisieverts per year, the International Commission on Radiological Protection (ICRP) recommends that the normal dose of radiation received by ordinary people (below 1 millisievert per year (natural radiation dose, etc.) (Excluding)), so this value is the city's judgment standard value .
According to the Ministry of the Environment's "Decontamination Guidelines", if the radiation dose at 1 meter of the ground is below 0.23 microsieverts per hour, no further action will be taken. , the response is determined based on the measurement results at the point closest to the object (1 cm on the ground surface).
Measurement overview
- Measurer city employee
- Measuring equipment
PA-1000
- Measuring method
Average of 5 repeated measurements every 60 seconds
Past measurement results
Forest (PDF: 74KB) of Inagi contact
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Inquiries about this page
Inagi City Welfare Department Children and Youth Division
2111 Higashi Naganuma, Inagi City, Tokyo
Phone: 042-378-2111 Fax: 042-377-4781
