Geiger Readings for May 19, 2016

Ambient office = 90 nanosieverts per hour
 
Ambient outside = 128 nanosieverts per hour
 
Soil exposed to rain water = 115 nanosieverts per hour
 
Red onion from Central Market = 80 nanosieverts per hour
 
Tap water = 109 nanosieverts per hour
 
Filtered water = 100 nanosieverts per hour