Geiger Readings for June 12, 2015

Ambient office = 79 nanosieverts per hour
 
Ambient outside = 89  nanosieverts per hour
 
Soil exposed to rain water = 74 nanosieverts per hour
 
Crimini mushroom from Central Market = 74 nanosieverts per hour
 
Tap water = 55 nanosieverts per hour
 
Filtered water = 46 nanosieverts per hour