Japan: Area Of More Than 8,000 Square Km Accumulated Cesium-137 Levels Of 30,000 Bec/Sq Meter

And how about plutonium? - Huge Amounts Of Neptunium 239 Detected 60 Km From Fukushima!!!: To recap, uranium-239, whose half life is about 24 minutes, decays into neptunium-239 with a half life of about 2.5 days, which then decays into plutonium-239 whose half life is 24,200 years. - Fukushima cesium contamination widespread but less than [...] continue reading world news