Latitude 47.704656 Longitude -122.318745
Ambient office = 110 nanosieverts per hour
Ambient outside = 102 nanosieverts per hour
Soil exposed to rain water = 99 nanosieverts per hour
Russett potato from Central Market = 76 nanosieverts per hour
Tap water = 100 nanosieverts per hour
Filtered water = 87 nanosieverts per hour