Geiger Readings for Jan 19, 2016

Ambient office = 102 nanosieverts per hour
 
Ambient outside = 128 nanosieverts per hour
 
Soil exposed to rain water = 120 nanosieverts per hour
 
Romaine lettuce from Central Market = 92 nanosieverts per hour
 
Tap water = 79 nanosieverts per hour
 
Filtered water = 63 nanosieverts per hour