Geiger Readings for June 12, 2016

Ambient office = 100 nanosieverts per hour
 
Ambient outside = 75 nanosieverts per hour
 
Soil exposed to rain water = 99 nanosieverts per hour
 
Iceberg lettuce from Central Market = 87 nanosieverts per hour
 
Tap water = 79 nanosieverts per hour
 
Filtered water = 66 nanosieverts per hour