Fukushima Daiichi weathered an earthquake and a typhoon this week, and Japan's prime minister has asked Tokyo Electric Power Co. to decommission the last two potentially operable reactors at the site.Recent developments related to the nuclear plant severely damaged after Japan's 2011 earthquake and tsunami include:No Damage from 5.9 QuakeAnother aftershock from the 2011 quake shook Fukushima Prefecture Friday morning. The magnitude 5.9 temblor was not accompanied by a tsunami warning, Kyodo News reported, and TEPCO indicated plant radiation levels and the condition of the damaged reactors was unchanged. Typhoon Water ReleasedA typhoon brought torrential rain to the site Monday, and TEPCO decided to release about 1,130 metric tons of water that had collected behind retention barriers surrounding tanks. The Asahi Shimbun reported water released from seven areas tested at 3 to 4 becquerels of strontium and other contaminants per liter, which is within the legal limit for release into the environment. Rainwater in parts of the tank farm near recent leaks tested as high as 170,000 becquerels per liter and was transferred to storage tanks. TEPCO representatives said the release was necessary to prevent standing rainwater from becoming contaminated in the event of another tank leak.Abe: Close Units 5 and 6During a visit to the plant Thursday, Japanese Prime Minister Shinzo Abe asked TEPCO to decommission units 5 and 6, which were offline during the 2011 tsunami and did not sustain catastrophic damage. In a release, TEPCO announced it would make a decision on the units by the end of the year.
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