Water Updates as of March 31, 2011

Readings at Lake Kasumigaura (water source for Tsukuba)

March 29 at Tsuchiura City
14.9 Bq/kg for iodine
1.06 Bq/kg for cesium

March 30 at Sakuragawa City
11.6 Bq/kg for iodine
1.01 Bq/kg for cesium

March 31 at Tsuchiura City
13.4 Bq/kg for iodine
1.05 Bq/kg for cesium

Source: http://www.pref.ibaraki.jp/20110311eq/pdf/0268.pdf (Ibaraki prefectural government)


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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