Latitude 47.704656 Longitude -122.318745
Ambient office = .087 microsieverts per hour
Ambient outside = .077 microsieverts per hour
Soil exposed to rain water = .077 microsieverts per hour
Red seedless grape from Costco = .137 microsieverts per hour
Tap water = .072 microsieverts per hour
Filtered water = .048 microsieverts per hour