Latitude 47.704656 Longitude -122.318745
Ambient office = 80 nanosieverts per hour
Ambient outside = 114 nanosieverts per hour
Soil exposed to rain water = 113 nanosieverts per hour
Russett potato from Central Market = 89 nanosieverts per hour
Tap water = 100 nanosieverts per hour
Filtered water = 91 nanosieverts per hour