Geiger Readings for Nov 10, 2015

Ambient office = 74 nanosieverts per hour
 
Ambient outside = 91 nanosieverts per hour
 
Soil exposed to rain water = 87 nanosieverts per hour
 
Iceberg lettuce from WinCo = 87 nanosieverts per hour
 
Tap water = 89 nanosieverts per hour
 
Filtered water = 83 nanosieverts per hour