– Radioactive Cesium from Shiitake Mushrooms Grown Indoors in Date City, Fukushima (Ex-SKF, July 15, 2011):
(Update: 28 kg of Date City shiitake were sold within Fukushima. 129 kg of Motomiya City shiitake went to the fresh produce wholesale market in Tokyo, according to Asahi.)
1,770 becquerels per kilogram. That’s the first since the government started the sample testing of food items. Date City is more than 50 kilometers northwest of Fukushima I Nuclear Power Plant.
From Yomiuri Shinbun (10:08AM JST 7/16/2011):
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The Ministry of Health, Labor and Welfare announced on July 15 that 1,770 becquerels/kg of radioactive cesium was detected from shiitake mushrooms grown indoors in Date City, Fukushima Prefecture. The provisional safety limit is 500 becquerels/kg. Shiitake mushrooms grown in Motomiya City in Fukushima also tested 560 becquerels/kg of radioactive cesium. Already, 16 municipalities in Fukushima Prefecture restrict the shipment of shiitake mushrooms grown outdoors. This is the first time that shiitake mushrooms that were grown indoors tested above the safety limit. The national government will consider the shipment restriction.
Where did this cesium come from, if the mushrooms were grown indoors? Is the indoor air just as contaminated as the outdoor air in Date City? Or was it the mushroom substrate blocks (for indoor cultivation) that were contaminated?
Read more129 Kg Of Radioactive Shiitake Mushrooms (1,770 Becquerels/Kg Cesium) GROWN INDOORS in Date City, Fukushima Went To Wholesale Market In Tokyo