Geiger Readings for Feb 23, 2016

Ambient office = 100 nanosieverts per hour
 
Ambient outside = 100 nanosieverts per hour
 
Soil exposed to rain water = 96 nanosieverts per hour
 
Romaine lettuce from Central Market = 146 nanosieverts per hour
 
Tap water = 105 nanosieverts per hour
 
Filter water = 93 nanosieverts per hour