Geiger Readings for May 10, 2015

Ambient office = 118 nanosieverts per hour
 
Ambient outside = 101  nanosieverts per hour
 
Soil exposed to rain water = 84 nanosieverts per hour
 
Crimini mushrooms from Central Market = 94  nanosieverts per hour
 
Tap water = 78 nanosieverts per hour
 
Filtered water = 56 nanosieverts per hour