Geiger Readings for Dec 11, 2015

Ambient office = 66 nanosieverts per hour
 
Ambient outside = 103 nanosieverts per hour
 
Soil exposed to rain water = 102 nanosieverts per hour
 
Ginger root from Central Market = 93 nanosieverts per hour
 
Tap water = 91 nanosieverts per hour
 
Filtered water = 73 nanosieverts per hour