Geiger Readings for April 10, 2015

Ambient office = 91 nanosieverts per hour
 
Ambient outside = 80  nanosieverts per hour
 
Soil exposed to rain water = 70 nanosieverts per hour
 
Red potato from Central Market = 104  nanosieverts per hour
 
Tap water = 89 nanosieverts per hour
 
Filtered water = 84 nanosieverts per hour