Geiger Readings for December 23, 2014

Ambient office = 129  nanosieverts per hour
 
Ambient outside = 97  nanosieverts per hour
 
Soil exposed to rain water = 85 nanosieverts per hour
 
Button mushroom from Central Market = 81  nanosieverts per hour
 
Tap water = 124  nanosieverts per hour
 
Filtered water = 117 nanosieverts per hour