Geiger Readings for November 20, 2014

Ambient office = 99  nanosieverts per hour
 
Ambient outside = 129  nanosieverts per hour
 
Soil exposed to rain water = 108 nanosieverts per hour
 
Romaine lettuce from Central Market = 73  nanosieverts per hour
 
Tap water = 74  nanosieverts per hour
 
Filtered water = 65 nanosieverts per hour