Geiger Readings for January 12, 2013

Ambient office = 87 nanosieverts per hour
 
Ambient outside = 155 nanosieverts per hour
 
Soil exposed to rain water = 178 nanosieverts per hour
 
Hass avacado from Top Foods = 91 nanosieverts per hour
 
Tap water = 106 nanosieverts per hour
 
Filtered water = 89 nanosieverts per hour