Geiger Readings for December 31, 2014

Ambient office = 97  nanosieverts per hour
 
Ambient outside = 128  nanosieverts per hour
 
Soil exposed to rain water = 98 nanosieverts per hour
 
Raisins from Central Market = 72  nanosieverts per hour
 
Tap water = 118  nanosieverts per hour
 
Filtered water = 110 nanosieverts per hour