Geiger Readings for January 28, 2014

Ambient office = 76 nanosieverts per hour
 
Ambient outside = 74  nanosieverts per hour
 
Soil exposed to rain water = 87 nanosieverts per hour
 
Carrot from Central Market = 76  nanosieverts per hour
 
Tap water = 89  nanosieverts per hour
 
Filtered water = 72 nanosieverts per hour