Geiger Readings for February 16, 2013

Ambient office = 138 nanosieverts per hour
 
Ambient outside = 128 nanosieverts per hour
 
Soil exposed to rain water = 114 nanosieverts per hour
 
Asparagus from Top Foods = 54 nanosieverts per hour
 
Tap water = 98 nanosieverts per hour
 
Filtered water = 67 nanosieverts per hour