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Results of local radiation measurement at the Environmental Learning Center (Updated March 1, 2017)

Update date: March 1, 2017

We have conducted measurements of radiation levels in the air within the Environmental Learning Center facilities in accordance with the city's policy on measuring radiation levels in the air, and we would like to make the results public.
Furthermore, this measurement did not reveal any areas requiring cleaning or other measures (areas exceeding the standard value (0.23 microsieverts per hour)).
Note: The Environmental Learning Center's former facility name was "Recycle Shop."

Measurement results (implemented in FY2016)

Name of facility measuring date weather Measurement location Measured value (unit: microsievert per hour)
1 cm above ground
environmental learning center February 21st sunny Under the rain gutter on the west side of the main building 0.063
In front of main house entrance 0.076
South side of main house, under the gutter 0.073
Next to the entrance on the Tsurukawa Kaido side 0.061
Near the Misawa River side entrance 0.066

【explanation】
The annual equivalent of 0.23 microsieverts per hour is 0.99864 millisieverts, which is an indicator of the normal radiation dose received by the general public (less than 1 millisievert per year (natural radiation dose, etc.), as recommended by the International Commission on Radiological Protection (ICRP). )), this value is the city's criterion value .
According to the Ministry of the Environment's "Decontamination-related Guidelines," if the radiation dose at 1 meter of the ground surface is below 0.23 microsieverts per hour, no further action will be taken, but the city is on the safer side. We make decisions based on measurements taken at the closest location to the object (1 centimeter above the ground) while standing.

Measurement overview

  • Measurer city employee
  • measuring equipment
    PA-1000
  • Measuring method
    Average of 5 repeated measurements every 60 seconds

Past measurement results

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Inquiries about this page

Inagi City Citizens Department Environment Division
2111 Higashi-Naganuma, Inagi-shi, Tokyo
Phone: 042-378-2111 Fax: 042-377-4781

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Local radiation measurement results for public facilities in the city

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2111 Higashinagumanuma, Inagi City, Tokyo 206-8601
Office hours: 8:30 a.m. to 5:00 p.m. Main phone: 042-378-2111 Fax: 042-377-4781
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