Geiger Readings for Apr 26, 2017

Ambient office = 90 nanosieverts per hour
 
Ambient outside = 143 nanosieverts per hour
 
Soil exposed to rain water = 129 nanosieverts per hour
 
Romaine lettuce from Central Market = 72 nanosieverts per hour
 
Tap water = 108 nanosieverts per hour
 
Filter water = 100 nanosieverts per hour