Geiger Readings for Jan 28, 2016

Ambient office = 87 nanosieverts per hour
 
Ambient outside = 72 nanosieverts per hour
 
Soil exposed to rain water = 84 nanosieverts per hour
 
Romaine lettuce from Central Market = 107nanosieverts per hour
 
Tap water = 126 nanosieverts per hour
 
Filtered water = 114 nanosieverts per hour