Geiger Counter Readings in Seattle, WA on June 17, 2012

Geiger Counter Readings in Seattle, WA on June 17, 2012  

Ambient office = .108 microsieverts per hour

Tap water = .089 micosieverts per hour

Filtered water = .072 micosieverts per hour

Romain lettuce from supermarket =.050 micosieverts per hour

Ambient outside = .102 micosieverts per hour

Soil exposed to rain = .103 micosieverts per hour