Geiger Readings for Dec 21, 2015

Ambient office = 93 nanosieverts per hour
 
Ambient outside = 58 nanosieverts per hour
 
Soil exposed to rain water = 50 nanosieverts per hour
 
Celery from Central Market = 116 nanosieverts per hour
 
Tap water = 111 nanosieverts per hour
 
Filtered water = 95 nanosieverts per hour