Latitude 47.704656 Longitude -122.318745
Geiger Counter Readings in Seattle, WA on August 18, 2012
Ambient office = .101 microsieverts per hour
Tap water = .136 microsieverts per hour
Filtered water = .101 microsieverts per hour
White mushrooms from local produce stand = .135 microsieverts per hour
Ambient outside = .100 microsieverts per hour
Soil exposed to rain = .094 microsieverts per hour