Geiger Readings for Feb 24, 2015

Ambient office = 60 nanosieverts per hour
 
Ambient outside = 65 nanosieverts per hour
 
Soil exposed to rain water = 81 nanosieverts per hour
 
Romaine lettuce from Central Market = 99 nanosieverts per hour
 
Tap water = 133 nanosieverts per hour
 
Filtered water = 126 nanosieverts per hour