Geiger Readings for Dec 14, 2015

Ambient office = 110 nanosieverts per hour
 
Ambient outside = 138 nanosieverts per hour
 
Soil exposed to rain water = 141 nanosieverts per hour
 
Vine ripened tomato from Central Market = 84 nanosieverts per hour
 
Tap water = 79 nanosieverts per hour
 
Filtered water = 66 nanosieverts per hour