substances

  1. VIDEO Top 5 Deadliest Substances on Earth

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  2. High-Level Radiation Detected in Fukushima Sewage Sludge

    Fukushima, May 1 (Jiji Press)--High levels of radioactive cesium have been found in sewage sludge in Fukushima Prefecture, northeastern Japan, the prefectural government said Sunday. The sludge at a treatment center in Koriyama had 26,400 becquerels of radioactive cesium per kilogram. Slag...