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Measurement of radioactive material concentration and air dose in landfill

Following the accident at the Tokyo Electric Power Company's Fukushima Daiichi Nuclear Power Station in 2011, Yokohama City measured the concentration of radioactive materials such as inland water and effluent in landfill and air dose at site boundaries. The results of these measurements are published on this page.

Last Updated October 24, 2024

Measurement results

No radioactive material has been detected in wastewater in landfill, and air dose is about the same as measured at other locations in the city.

  • Minamihonmoku landfillThe outer circumference of the area is surrounded by seawalls with a waterproof function, so that inland water at the disposal site does not leak out. Since the start of measurement, no radioactive material has been detected from inflow and discharge water at wastewater treatment facilities to properly treat inland water in Minamihonmoku landfill.
  • Shinmeidai disposal siteRegarding "non-detection" of radioactive material concentration continued since the start of measurement, the survey was completed in 2015.

Reference

Inquiries to this page

Policy Coordination Division, Policy Coordination Division, Resources and Waste Recycling Bureau Policy Coordination Department

Telephone: 045-671-4565

Telephone: 045-671-4565

Fax: 045-550-4239

Email address: sj-chousa@city.yokohama.jp

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Page ID: 246-018-480

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