Geiger Readings for May 31, 2016

Ambient office = 133 nanosieverts per hour
 
Ambient outside = 105 nanosieverts per hour
 
Soil exposed to rain water = 102 nanosieverts per hour
 
Crimini mushroom from Central Market = 115 nanosieverts per hour
 
Tap water = 83 nanosieverts per hour
 
Filtered water = 65 nanosieverts per hour