Geiger Readings for Jan 12, 2015

Ambient office = 89 nanosieverts per hour
 
Ambient outside = 123 nanosieverts per hour
 
Soil exposed to rain water = 124 nanosieverts per hour
 
Iceberg lettuce from Central Market = 86 nanosieverts per hour
 
Tap water = 118 nanosieverts per hour
 
Filtered water = 111 nanosieverts per hour