Latitude 47.704656 Longitude -122.318745
Ambient office = 85 nanosieverts per hour
Ambient outside = 108 nanosieverts per hour
Soil exposed to rain water = 108 nanosieverts per hour
Russet potato from Central Market = 84 nanosieverts per hour
Tap water = 94 nanosieverts per hour
Filtered water = 80 nanosieverts per hour