Geiger Readings for Feb 15, 2016

Ambient office = 58 nanosieverts per hour
 
Ambient outside = 135 nanosieverts per hour
 
Soil exposed to rain water = 129 nanosieverts per hour
 
Crimini mushroom from Central Market = 105 nanosieverts per hour
 
Tap water = 108 nanosieverts per hour
 
Filter water = 100 nanosieverts per hour