Geiger Readings for February 13, 2014

Ambient office = 96 nanosieverts per hour
 
Ambient outside = 70  nanosieverts per hour
 
Soil exposed to rain water = 88 nanosieverts per hour
 
Raisins from Safeways = 85  nanosieverts per hour
 
Tap water = 105  nanosieverts per hour
 
Filtered water = 79 nanosieverts per hour