Geiger Readings for Jun 18, 2017

Ambient office = 89 nanosieverts per hour
 
Ambient outside = 115 nanosieverts per hour
 
Soil exposed to rain water = 118 nanosieverts per hour
 
Crimini mushroom from Central Market = 143 nanosieverts per hour
 
Tap water = 81 nanosieverts per hour
 
Filter water = 71 nanosieverts per hour