Geiger Readings for Dec 19, 2016

Ambient office = 94 nanosieverts per hour
 
Ambient outside = 115 nanosieverts per hour
 
Soil exposed to rain water = 116 nanosieverts per hour
 
Iceberg lettuce from Central Market = 92 nanosieverts per hour
 
Tap water = 120 nanosieverts per hour
 
Filter water = 106 nanosieverts per hour