Geiger Readings for October 17, 2014

Ambient office = 112 nanosieverts per hour
 
Ambient outside = 106 nanosieverts per hour
 
Soil exposed to rain water = 106 nanosieverts per hour
 
Iceberg lettuce from Central Market = 96 nanosieverts per hour
 
Tap water = 81 nanosieverts per hour
 
Filtered water = 72 nanosieverts per hour