Geiger Readings for December 20, 2013

Ambient office = 123 nanosieverts per hour
 
Ambient outside = 110 nanosieverts per hour
 
Soil exposed to rain water = 102 nanosieverts per hour
 
Vine ripened tomato from Top Foods = 91 nanosieverts per hour
 
Tap water = 119 nanosieverts per hour
 
Filtered water = 104 nanosieverts per hour