Latitude 47.704656 Longitude -122.318745
Ambient office = 129 nanosieverts per hour
Ambient outside = 102 nanosieverts per hour
Soil exposed to rain water = 103 nanosieverts per hour
Russet potato from Central Market = 108 nanosieverts per hour
Tap water = 84 nanosieverts per hour
Filtered water = 77 nanosieverts per hour