Geiger Readings for December 13, 2013

Ambient office = 112 nanosieverts per hour
 
Ambient outside = 135 nanosieverts per hour
 
Soil exposed to rain water = 94 nanosieverts per hour
 
Bartlett pear from Top Foods = 87 nanosieverts per hour
 
Tap water = 74 nanosieverts per hour
 
Filtered water = 66 nanosieverts per hour