Geiger Readings for May 17, 2016

Ambient office = 80 nanosieverts per hour
 
Ambient outside = 104 nanosieverts per hour
 
Soil exposed to rain water = 95 nanosieverts per hour
 
Romaine lettuce from Central Market = 102 nanosieverts per hour
 
Tap water = 79 nanosieverts per hour
 
Filtered water = 61 nanosieverts per hour