Geiger Readings for September 6, 2013
Latitude 47.704656 Longitude -122.318745
Ambient office = .079 microsieverts per hour
Ambient outside = .102 microsieverts per hour
Soil exposed to rain water = .100 microsieverts per hour
Packaged ham slice from Costco = .103 microsieverts per hour
Tap water = .075 microsieverts per hour
Filtered water = .058 microsieverts per hour