Geiger Readings for April 03, 2014

Ambient office = 74 nanosieverts per hour
 
Ambient outside = 46  nanosieverts per hour
 
Soil exposed to rain water = 50 nanosieverts per hour
 
Iceberg lettuce from Central Market = 84  nanosieverts per hour
 
Tap water = 77 nanosieverts per hour
 
Filtered water = 61 nanosieverts per hour