Geiger Readings for November 29, 2013

Ambient office = 51 nanosieverts per hour
 
Ambient outside = 65 nanosieverts per hour
 
Soil exposed to rain water = 91 nanosieverts per hour
 
Vine ripened tomato from Top Foods = 81 nanosieverts per hour
 
Tap water = 138 nanosieverts per hour
 
Filtered water = 126 nanosieverts per hour