Geiger Readings for December 12, 2014

Ambient office = 102  nanosieverts per hour
 
Ambient outside = 77  nanosieverts per hour
 
Soil exposed to rain water = 73 nanosieverts per hour
 
Vine ripened tomato from Central Market = 81  nanosieverts per hour
 
Tap water = 114  nanosieverts per hour
 
Filtered water = 99 nanosieverts per hour