Geiger Readings for April 15, 2015

Ambient office = 114 nanosieverts per hour
 
Ambient outside = 122  nanosieverts per hour
 
Soil exposed to rain water = 95 nanosieverts per hour
 
Iceberg lettuce from Central Market = 113  nanosieverts per hour
 
Tap water = 131 nanosieverts per hour
 
Filtered water = 123 nanosieverts per hour