Geiger Readings for February 22, 2014

Ambient office = 105 nanosieverts per hour
 
Ambient outside = 66  nanosieverts per hour
 
Soil exposed to rain water = 71 nanosieverts per hour
 
Crimini mushroom from Costco = 111  nanosieverts per hour
 
Tap water = 91  nanosieverts per hour
 
Filtered water = 76 nanosieverts per hour