Geiger Readings for Aug 13, 2015

Ambient office = 83  nanosieverts per hour
 
Ambient outside = 85   nanosieverts per hour
 
Soil exposed to rain water = 89  nanosieverts per hour
 
Romaine lettuce from Central Market = 108  nanosieverts per hour
 
Tap water = 122 nanosieverts per hour
 
Filtered water = 108  nanosieverts per hour