Geiger Readings for Aug 21, 2015

Ambient office = 96  nanosieverts per hour
 
Ambient outside = 87   nanosieverts per hour
 
Soil exposed to rain water = 74  nanosieverts per hour
 
Vine ripened tomato from Central Market = 157  nanosieverts per hour
 
Tap water = 103 nanosieverts per hour
 
Filtered water = 94  nanosieverts per hour