Latitude 47.704656 Longitude -122.318745
Ambient office = .115 microsieverts per hour
Ambient outside = .137 microsieverts per hour
Soil exposed to rain water = .083 microsieverts per hour
Iceberg lettuce from Costco = .150 microsieverts per hour
Tap water = .074 microsieverts per hour
Filtered water = .054 microsieverts per hour