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Radiation Concern Prompts Aeon to Test Beef for Cesium Level

Concern that nuclear radiation fallout is contaminating meat prompted Aeon Co., owner of Japan’s biggest supermarket chain, to start testing beef for cancer-causing substances.

Aeon will start selling beef today in Tokyo stores tested by an independent laboratory to be within safe limits for radioactive cesium, it said in a statement. The heightened surveillance may boost confidence in the safety of beef after agriculture officials said July 26 that 2,906 cattle ate tainted feed, potentially leading to contaminated meat.