Water Updates as of March 28, 2011

Levels of iodine and cesium in water in Tsukuba.

March 20
iodine: 4.9 Bq/kg
cesium: 1.88 Bq/kg

March 24
iodine: 8.3 Bq/kg
cesium: not detectable

March 28 (Reading 1)
iodine: 8.2 Bq/kg
cesium: not detectable

March 28 (Reading 2 – different location)
iodine: not detectable
cesium: not detectable

Source: http://www.city.tsukuba.ibaraki.jp/260/655/008393.html


Levels at which we need to start getting concerned
iodine: 300 Bq/kg for drinking water (adults) and iodine 100 Bq/kg for drinking water (babies)
cesium: 200 Bq/kg for drinking water

Today’s verdict: Safe to drink the water in Tsukuba

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