Geiger Readings for Apr 04, 2016

Ambient office = 108 nanosieverts per hour
 
Ambient outside = 136 nanosieverts per hour
 
Soil exposed to rain water = 114 nanosieverts per hour
 
Celery from Central Market = 93 nanosieverts per hour
 
Tap water = 70 nanosieverts per hour
 
Filtered water = 52 nanosieverts per hour