Thursday, April 21, 2011

#Fukushima I Nuke Plant: 4,700 Terabecquerels of Radioactive Iodine and Cesium

in the contaminated water that leaked from underneath the pit near the Reactor 2 water intake.

Remember that one? TEPCO tried bath salt as a tracer to figure out where the water was coming from, until they finally figured out how to stop the leak.

Assuming the leak started on April 1 and lasted until April 6, TEPCO says 4,700 terabecquerels of radioactive materials were released from the crack into the ocean.

From TEPCO's press release (in Japanese):

  • Iodine-131: 2.8 x 10^15 becquerels (2,800 terabecquerels)
  • Cesium-134: 9.4 x 10^14 becquerels (940 terabecquerels)
  • Cesium-137: 9.4 x 10^14 becquerels (940 terabecquerels)
  • Total: 4.7 x 10^15 becquerels (4,700 terabecquerels)


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