Geiger Readings for January 14, 2014

Ambient office = 132  nanosieverts per hour
 
Ambient outside = 106  nanosieverts per hour
 
Soil exposed to rain water = 102 nanosieverts per hour
 
Iceberg lettuce from Central Market = 108  nanosieverts per hour
 
Tap water = 108  nanosieverts per hour
 
Filtered water = 102 nanosieverts per hour