Geiger Readings for Dec 12, 2015

 
Ambient office = 109 nanosieverts per hour
 
Ambient outside = 90 nanosieverts per hour
 
Soil exposed to rain water = 99 nanosieverts per hour
 
Purple sweet potato from Central Market = 94 nanosieverts per hour
 
Tap water = 102 nanosieverts per hour
 
Filtered water = 85 nanosieverts per hour
 
Pacific Cod – Caught in USA = 108 nanosieverts per hour