Highest yet: 3,355 times legal limit of radioactive iodine-131 found in seawater — Reactor cores may have been continuously leaking into Pacific

Published: March 30th, 2011 at 3:17 am ET
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Radioactive iodine 3,355 times legal limit found in seawater, Kyodo, March 30, 2011:

Radioactive iodine-131 at a concentration of 3,355 times the maximum allowable level under the law was detected in a seawater sample taken Tuesday afternoon near the crisis-hit Fukushima Daiichi nuclear plant, the government’s nuclear agency said Wednesday.

The highest concentration observed so far in seawater from the troubled power station suggests radiation originating from reactor cores, where fuel rods have partially melted, may have been continuously leaking into the Pacific Ocean.

Hidehiko Nishiyama, a spokesman for the Nuclear and Industrial Safety Agency, said the exact cause of the high iodine concentration remains unknown but that data taken by the plant operator Tokyo Electric Power Co. indicate radiation that has leaked at the site during the ongoing crisis ”somehow” flowed into the sea. …

Read the report here.

Published: March 30th, 2011 at 3:17 am ET
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9 comments to Highest yet: 3,355 times legal limit of radioactive iodine-131 found in seawater — Reactor cores may have been continuously leaking into Pacific