Geiger Readings for Sep 20, 2015

Ambient office = 113 nanosieverts per hour
 
Ambient outside = 111 nanosieverts per hour
 
Soil exposed to rain water = 93 nanosieverts per hour
 
Crimini mushroom from Central Market = 108 nanosieverts per hour
 
Tap water = 96 nanosieverts per hour
 
Filtered water = 92 nanosieverts per hour