Geiger Readings for Mar 23, 2015

Ambient office = 93 nanosieverts per hour
 
Ambient outside = 58 nanosieverts per hour
 
Soil exposed to rain water = 60 nanosieverts per hour
 
New red potato from Central Market = 111 nanosieverts per hour
 
Tap water = 110 nanosieverts per hour
 
Filtered water = 99 nanosieverts per hour