Latitude 47.704656 Longitude -122.318745
Ambient office = .098 microsieverts per hour
Ambient outside = .101 microsieverts per hour
Soil exposed to rain water = .097 microsieverts per hour
Vine ripened tomato from Costco = .088 microsieverts per hour
Tap water = .082 microsieverts per hour
Filtered water = .073 microsieverts per hour