Geiger Readings for Dec 22, 2015

Ambient office = 118 nanosieverts per hour
 
Ambient outside = 50 nanosieverts per hour
 
Soil exposed to rain water = 62 nanosieverts per hour
 
Crimini mushroom from Central Market = 70 nanosieverts per hour
 
Tap water = 107 nanosieverts per hour
 
Filtered water = 93 nanosieverts per hour