Latitude 47.704656 Longitude -122.318745
Ambient office = 120 nanosieverts per hour
Ambient outside = 92 nanosieverts per hour
Soil exposed to rain water = 95 nanosieverts per hour
Russett potato from Central Market = 87 nanosieverts per hour
Tap water = 77 nanosieverts per hour
Filter water = 70 nanosieverts per hour