TEPCO to cover reactor with polyester sheets The operator of the Fukushima Daiichi nuclear plant will begin to cover the No.1 reactor building with polyester sheets this month to prevent the dispersal of radioactive substances. The buildings of the No.1, 3, and 4 reactors were severely damaged by explosions and radioactive elements are still being released into the atmosphere. There are fears that heavy rain may hamper the workers' activities and that the rainwater may become contaminated with radioactive materials. To prevent these situations, Tokyo Electric Power Company, or TEPCO, plans to enclose the reactor buildings with polyester sheets. The...