Radioactive cesium found in mushrooms in Kanto 170 km from fuku
Yokohama City has stopped using dried shiitake mushrooms in school lunches after detecting 350 becquerels per kilogram of radioactive cesium in its stocks.
The city said on Thursday that it discovered the contamination during its screening of ingredients for school lunches.
Also on Thursday, 830 becquerels per kilogram of radioactive cesium, exceeding the government's limit of 500 becquerels, was detected in shiitake mushrooms grown outdoors on logs in a city in Ibaraki Prefecture.
The city is about 170 kilometers from the Fukushima Daiichi nuclear plant.
Earlier this week, shiitake mushrooms containing radioactive cesium above the official limit were found in 2 cities in Chiba Prefecture.

