Latitude 47.704656 Longitude -122.318745
Ambient office = 67 nanosieverts per hour
Ambient outside = 131 nanosieverts per hour
Soil exposed to rain water = 135 nanosieverts per hour
Iceberg lettuce from Top Foods = 132 nanosieverts per hour
Tap water = 93 nanosieverts per hour
Filtered water = 81 nanosieverts per hour