Latitude 47.704656 Longitude -122.318745
Ambient office = 103 nanosieverts per hour
Ambient outside = 102 nanosieverts per hour
Soil exposed to rain water = 92 nanosieverts per hour
Redleaf lettuce from Top Foods = 207 nanosieverts per hour
Tap water = 116 nanosieverts per hour
Filtered water = 82 nanosieverts per hour