Geiger Readings for April 20, 2015

Ambient office = 116 nanosieverts per hour
 
Ambient outside = 111  nanosieverts per hour
 
Soil exposed to rain water = 126 nanosieverts per hour
 
Carrot from Central Market = 86  nanosieverts per hour
 
Tap water = 143 nanosieverts per hour
 
Filtered water = 139 nanosieverts per hour