Geiger Readings for May 25, 2017

Ambient office = 116 nanosieverts per hour
 
Ambient outside = 93 nanosieverts per hour
 
Soil exposed to rain water = 92 nanosieverts per hour
 
Iceberg lettuce from Central Market = 77 nanosieverts per hour
 
Tap water = 104 nanosieverts per hour
 
Filter water = 91 nanosieverts per hour