Geiger Readings for Aug 10, 2015

Ambient office = 147  nanosieverts per hour
 
Ambient outside = 152   nanosieverts per hour
 
Soil exposed to rain water = 135  nanosieverts per hour
 
Lemon from Central Market = 119  nanosieverts per hour
 
Tap water = 81 nanosieverts per hour
 
Filtered water = 73  nanosieverts per hour