Geiger Readings for Apr 20, 2016

Ambient office = 115 nanosieverts per hour
 
Ambient outside = 112 nanosieverts per hour
 
Soil exposed to rain water = 117 nanosieverts per hour
 
Celery from Central Market = 54 nanosieverts per hour
 
Tap water = 93 nanosieverts per hour
 
Filtered water = 82 nanosieverts per hour