IITATE, Fukushima Prefecture--Government researchers on Oct. 26 tested an experimental technique to decontaminate farmland soil by roasting it at 800 degrees at a waste incineration plant near the stricken Fukushima No. 1 nuclear power plant.
Officials working for the Japan Atomic Energy Agency and the National Agriculture and Food Research Organization heated 10 kilograms of soil contaminated with 3,580 becquerels of radioactive cesium per kilogram using an electric heater for 10 hours at the Iitate Clear Center, filtering the fumes through cloth and glass fiber filters used at nuclear plants.
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