Latitude 47.704656 Longitude -122.318745
Ambient office = 87 nanosieverts per hour
Ambient outside = 98 nanosieverts per hour
Soil exposed to rain water = 99 nanosieverts per hour
Russet potato from Central Market = 81 nanosieverts per hour
Tap water = 100 nanosieverts per hour
Filtered water = 88 nanosieverts per hour