Geiger Readings for Feb 20, 2017

Ambient office  = 87 nanosieverts per hour
 
Ambient outside = 115 nanosieverts per hour
 
Soil exposed to rain water = 113 nanosieverts per hour
 
Iceberg lettuce from Central Market = 80 nanosieverts per hour
 
Tap water = 118 nanosieverts per hour
 
Filter water = 95 nanosieverts per hour