Geiger Readings for May 27, 2014

Ambient office = 77 nanosieverts per hour
 
Ambient outside = 101 nanosieverts per hour
 
Soil exposed to rain water = 95 nanosieverts per hour
 
Iceberg lettuce from Top Foods = 74 nanosieverts per hour
 
Tap water = 78 nanosieverts per hour
 
Filtered water = 59 nanosieverts per hour