Geiger Readings for Sep 27, 2017

Ambient office = 70 nanosieverts per hour
 
Ambient outside = 58 nanosieverts per hour
 
Soil exposed to rain water = 59 nanosieverts per hour
 
Red onion from Central Market = 49 nanosieverts per hour
 
Tap water = 123 nanosieverts per hour
 
Filter water = 113 nanosieverts per hour