Latitude 47.704656 Longitude -122.318745
Geiger Counter Readings in Seattle, WA on February 21, 2013
Ambient office = .054 microsieverts per hour
Ambient outside = .093 microsieverts per hour
Soil exposed to rain = .125 microsieverts per hour
Celery from grocery store = .099 microsieverts per hour
Tap water = .105 microsieverts per hour
Filtered water = .090 microsieverts per hour