Geiger Readings for July 27, 2013
Latitude 47.704656 Longitude -122.318745
Ambient office = .101 microsieverts per hour
Ambient outside = .094 microsieverts per hour
Soil exposed to rain water = .093 microsieverts per hour
Mango from local produce store = .145 microsieverts per hour
Tap water = .120 microsieverts per hour
Filtered water = .100 microsieverts per hour