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0.36 microSv/h from snowfall in Saint Louis

Following up this article ..0.27 microSv/h from snow in Saint Louis 0.36 microSv/h (42.9 CPM) was measured from snowfall in Saint Louis on 1/13/2012. Also, back in 6/28/2011, they measured

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0.27 microSv/h from snow in Saint Louis

They measured 0.27 microSv/h (0.027 mR/h) from the first snow in Saint Louis . In case it contains Cs-137, it may be 746 Bq/Kg roughly calculating. The recorder states like