Geiger Readings for Jul 23, 2017

Ambient office = 98 nanosieverts per hour
 
Ambient outside = 135 nanosieverts per hour
 
Soil exposed to rain water = 143 nanosieverts per hour
 
Crimini mushroom from Central Market = 100 nanosieverts per hour
 
Tap water = 71 nanosieverts per hour
 
Filter water = 60 nanosieverts per hour