power – strom und macht

1000 Mikrosievert or 1 Millisievert per Hour

Susanne Gerber


Eyewitness report - inside the wreckage of Japan's Fukushima nuclear reactor
 The radiation readings on my detector rise steadily as we approached the plant: it read 0.7 microsieverts per hour in Naraha, located just near the edge of the 12 mile restricted zone from the plant. As we reached Tomioka, it rose to 0.9, and then soon it was 1.5.  and soon from 2.7 microsieverts to 3.7 to 4.1. In a place called Okuma, the reading was 6.7 microsieverts. We were instructed to put on respirator masks. At the entrance of the plant: the radiation detector buzzed at 20 microsieverts. Finally, we got our first proper look at the damaged reactor buildings. No 1 was covered by a new superstructure, No 2 was intact. No 3 was in worst shape: it was a skeletal frame, largely collapsed into a pile of rubble. No. 4 was also severely damaged. The entire south side of the building was blown out, exposing the green crane for spent fuel rod pool. At this point, around 1,640 feet from the reactors: 50 microsieverts per hour. Our buses drove between the reactors and the sea. The levels were 300 microsieverts per hour – the highest reading of my visit. Then, we entered the disaster centre. In the first room we took off our booties. Then, in the next room, teams of workers cut off our protective suits with scissors, removed our gloves and masks. A quick radiation reading check revealed 1.5 microsieverts per hour. Next, we went into the Response Room, the plant’s crisis centre. This was a large room, filled with men alone as no women are permitted to work at the plant due to health reasons. At the head of the room was a white board listing temperatures and hydrogen readings of the six reactors. And on another wall, there was a small plain wood Shinto shrine.
Crumpled trucks and cars, twisted metal, a gutted office building and a huge dented storage tank were visible at the base of the reactor buildings, where radiation readings stood at 1,000 microsieverts (or 1 millisievert) per hour. Some of the debris resembled what swept up elsewhere in Japan by the tsunami, while others — like three white cars, with Tokyo Electric markings — were more distinct to the facility.

Filed under: Fukushima, Radiation

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