Geiger Readings for Jul 17, 2015

Ambient office = 112 nanosieverts per hour
 
Ambient outside = 106  nanosieverts per hour
 
Soil exposed to rain water = 122 nanosieverts per hour
 
Romaine lettuce from Central Market = 132 nanosieverts per hour
 
Tap water = 94 nanosieverts per hour
 
Filtered water = 80 nanosieverts per hour