Latitude 47.704656 Longitude -122.318745
Ambient office = 102 nanosieverts per hour
Ambient outside = 119 nanosieverts per hour
Soil exposed to rain water = 123 nanosieverts per hour
Russet potato from Central Market = 74 nanosieverts per hour
Tap water = 89 nanosieverts per hour
Filtered water = 72 nanosieverts per hour