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In Japan, a sample of unharvested rice contained 500 becquerels of cesium per kilogram, (Japanese officials say 500 and under is safe) Radioactive cesium, you may remember, was spread from the Fukushima Dai-ichi nuclear power plant after it was damaged by that massive earthquake and tsunami on March 11.
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Some nations have stopped importing some food products from Japan and Japanese consumers are understandably nervous about the radiation.
Japan wants more tests done on rice growing near a nuclear plant after finding elevated levels of radiation.
The government has been testing vegetables and fish for radiation since the disaster.