Geiger Readings for January 23, 2014

Ambient office = 74 nanosieverts per hour
 
Ambient outside = 71  nanosieverts per hour
 
Soil exposed to rain water = 73 nanosieverts per hour
 
Kale from Central Market = 104  nanosieverts per hour
 
Tap water = 100  nanosieverts per hour
 
Filtered water = 86 nanosieverts per hour