Geiger Readings for Sep 06, 2015

Ambient office = 73 nanosieverts per hour
 
Ambient outside = 64   nanosieverts per hour
 
Soil exposed to rain water = 70  nanosieverts per hour
 
Romaine lettuce from Central Market = 115  nanosieverts per hour
 
Tap water = 119 nanosieverts per hour
 
Filtered water = 109  nanosieverts per hour