Latitude 47.704656 Longitude -122.318745
Ambient office = 110 nanosieverts per hour
Ambient outside = 110 nanosieverts per hour
Soil exposed to rain water = 104 nanosieverts per hour
Russet potato from Central Market = 80 nanosieverts per hour
Tap water = 93 nanosieverts per hour
Filtered water = 79 nanosieverts per hour