Indonesia Nuclear Energy Agency officers clean up the location of nuclear radiation area in Batan Indah housing complex in Serpong, South Tangerang. The radioactive debris detected by The Nuclear Energy Regulatory Agency (BAPETEN) several days ago inside the housing complex was 680 microSv per hour and contained Cesium 137 (Cs-137). The national safety limit for nuclear radiation is 0.03 microSv per hour.