Geiger Readings for May 06, 2015

Ambient office = 82 nanosieverts per hour
 
Ambient outside = 72  nanosieverts per hour
 
Soil exposed to rain water = 80 nanosieverts per hour
 
Romaine lettuce from Central Market = 67  nanosieverts per hour
 
Tap water = 92 nanosieverts per hour
 
Filtered water = 82 nanosieverts per hour