Geiger Readings for Apr 19, 2017

Ambient office = 99 nanosieverts per hour
 
Ambient outside = 123 nanosieverts per hour
 
Soil exposed to rain water = 99 nanosieverts per hour
 
Iceberg lettuce from Central Market = 117 nanosieverts per hour
 
Tap water = 109 nanosieverts per hour
 
Filter water = 90 nanosieverts per hour