Geiger Readings for Apr 20, 2018

Ambient office  = 66 nanosieverts per hour
 
Ambient outside = 109 nanosieverts per hour
 
Soil exposed to rain water = 109 nanosieverts per hour
 
Celery from Central Market = 86 nanosieverts per hour
 
Tap water = 73 nanosieverts per hour
 
Filter water = 60 nanosieverts per hour