Geiger Readings for September 2, 2013
Latitude 47.704656 Longitude -122.318745
Ambient office = .070 microsieverts per hour
Ambient outside = .077 microsieverts per hour
Soil exposed to rain water = .077 microsieverts per hour
Redleaf lettucefrom Costco = .073 microsieverts per hour
Tap water = .083 microsieverts per hour
Filtered water = .076 microsieverts per hour