Geiger Readings for Nov 29, 2017

Ambient office = 96 nanosieverts per hour
 
Ambient outside = 190 nanosieverts per hour
 
Soil exposed to rain water = 186 nanosieverts per hour
 
Celery from Central Market = 102 nanosieverts per hour
 
Tap water = 55 nanosieverts per hour
 
Filter water = 948 nanosieverts per hour