Nippon Steel Factory Radiation Exposure Accident Evaluated as “Radiation equivalent to 10 times the annual limit”. Three years ago, in May 2021, two male employees who were inspecting an X-ray device that measures the thickness of products mistakenly found themselves in a room where X-rays were being irradiated.
After entering the hospital, he was exposed to radiation, and was subsequently admitted to a facility at Hiroshima University where he received tests and treatment. Expert: "The fact that it has been rated as level 3 can be considered a very serious accident"