Geiger Readings for June 30, 2015

Ambient office = 100 nanosieverts per hour
 
Ambient outside = 117  nanosieverts per hour
 
Soil exposed to rain water = 117 nanosieverts per hour
 
Crimini mushroom from Central Market = 123 nanosieverts per hour
 
Tap water = 87 nanosieverts per hour
 
Filtered water = 70 nanosieverts per hour