Geiger Readings for March 25, 2014

Ambient office = 84 nanosieverts per hour
 
Ambient outside = 73  nanosieverts per hour
 
Soil exposed to rain water = 78 nanosieverts per hour
 
Crimini mushroom from Central Market = 81  nanosieverts per hour
 
Tap water = 50 nanosieverts per hour
 
Filtered water = 40 nanosieverts per hour