Geiger Readings for June 20, 2016

Ambient office = 93 nanosieverts per hour
 
Ambient outside = 86 nanosieverts per hour
 
Soil exposed to rain water = 81 nanosieverts per hour
 
Celery from Central Market = 115 nanosieverts per hour
 
Tap water = 90 nanosieverts per hour
 
Filtered water = 66 nanosieverts per hour