Geiger Readings for Dec 05, 2015

Ambient office = 79 nanosieverts per hour
 
Ambient outside = 53 nanosieverts per hour
 
Soil exposed to rain water = 52 nanosieverts per hour
 
Romaine lettuce from Central Market = 64 nanosieverts per hour
 
Tap water = 59 nanosieverts per hour
 
Filtered water = 56 nanosieverts per hour