Geiger Readings for Jul 28, 2017

Ambient office = 84 nanosieverts per hour
 
Ambient outside = 97 nanosieverts per hour
 
Soil exposed to rain water = 109 nanosieverts per hour
 
White onion from Central Market = 93 nanosieverts per hour
 
Tap water = 120 nanosieverts per hour
 
Filter water = 112 nanosieverts per hour