Geiger Readings for Jun 30, 2017

Ambient office = 110 nanosieverts per hour
 
Ambient outside = 110 nanosieverts per hour
 
Soil exposed to rain water = 104 nanosieverts per hour
 
Crimini mushroom from Central Market = 105 nanosieverts per hour
 
Tap water = 80 nanosieverts per hour
 
Filter water = 73 nanosieverts per hour