Geiger Readings for Sep 28, 2015

Ambient office = 74 nanosieverts per hour
 
Ambient outside = 110 nanosieverts per hour
 
Soil exposed to rain water = 135 nanosieverts per hour
 
Crimini mushroom from Central Market = 89 nanosieverts per hour
 
Tap water = 117 nanosieverts per hour
 
Filtered water = 96 nanosieverts per hour