Geiger Readings for Jul 22, 2015

Ambient office = 92 nanosieverts per hour
 
Ambient outside = 84  nanosieverts per hour
 
Soil exposed to rain water = 73 nanosieverts per hour
 
Romaine lettuce from Central Market = 104 nanosieverts per hour
 
Tap water = 103 nanosieverts per hour
 
Filtered water = 93 nanosieverts per hour