Geiger Readings for June 29, 2016

Ambient office = 128 nanosieverts per hour
 
Ambient outside = 132 nanosieverts per hour
 
Soil exposed to rain water = 131 nanosieverts per hour
 
Romaine lettuce from Central Market = 77 nanosieverts per hour
 
Tap water = 80 nanosieverts per hour
 
Filtered water = 66 nanosieverts per hour