Geiger Readings for May 04, 2015

Ambient office = 74 nanosieverts per hour
 
Ambient outside = 80  nanosieverts per hour
 
Soil exposed to rain water = 70 nanosieverts per hour
 
Crimini mushroom from Central Market = 123  nanosieverts per hour
 
Tap water = 89 nanosieverts per hour
 
Filtered water = 81 nanosieverts per hour