Geiger Readings for January 11, 2014

Ambient office = 106  nanosieverts per hour
 
Ambient outside = 72  nanosieverts per hour
 
Soil exposed to rain water = 96 nanosieverts per hour
 
Celery from Costco = 117  nanosieverts per hour
 
Tap water = 81  nanosieverts per hour
 
Filtered water = 76 nanosieverts per hour