Geiger Readings for Aug 23, 2015

Ambient office = 71  nanosieverts per hour
 
Ambient outside = 89   nanosieverts per hour
 
Soil exposed to rain water = 113  nanosieverts per hour
 
Vine ripened tomato from Central Market = 120  nanosieverts per hour
 
Tap water = 129 nanosieverts per hour
 
Filtered water = 110  nanosieverts per hour