Nuclear Power Plant employees braving radiation operations by ordinary people times a year

The newspaper connected the Tokyo media and learned that, in order to control the increasingly severe leakage of high-concentration radioactive substances at the Fukushima No. 1 Nuclear Power Plant, the workers fought with the fear of radiation pollution, one side of the work is in the dark. Japan's "read and sell news" specifically published an article saying: "In the terror of the aftershocks, in the dark of the house, never stop the work."

400 msriver homework 15 minutes

On the morning of October 15, when Unit 2 exploded, 800 people from dongdian and its associated enterprises were carrying out water injection operations. After the explosion, 750 people were temporarily withdrawn. At the scene, only 50 "minimum" people were left. Is
To avoid radiation, the job must be interrupted once the radiation volume increases. Therefore, on this morning, in an hourly environment of 400 masifives, the allowed job time is only 15 minutes.

The power was cut off due to the tsunami, and even the darkness where there was no lighting, they tried their best to improve their work efficiency. When a tsunami warning was triggered after aftershocks, they had to be interrupted for a while. At this moment, the radiation monitor carried on the body showed 400 million sifius (400000 microsifius ).

Times the total radiation per year

On the afternoon of the previous 12, a valve was opened to release the steam in the No. 1 unit under too high pressure. This step prevents the cracking of metal containers outside the reactors. However, the employee who opened the valve was taken to the hospital for vomiting and dizziness due to the radiation of more than 100 MSW.

However, because this was a dangerous job that suffered a large amount of radiation, the old employee familiar with Unit 1 served as the shift leader. After he put on a special protective clothing and put on a mask, he quickly opened the valve, however, in the past ten minutes, the radiation he suffered was 100 times that of the average person's radiation in the year.