Geiger Readings for Mar 23, 2017

Ambient office = 84 nanosieverts per hour
 
Ambient outside = 106 nanosieverts per hour
 
Soil exposed to rain water = 112 nanosieverts per hour
 
Iceberg lettuce from Central Market = 115 nanosieverts per hour
 
Tap water = 76 nanosieverts per hour
 
Filter water = 61 nanosieverts per hour