Geiger Readings for Jul 09, 2015

Ambient office = 108 nanosieverts per hour
 
Ambient outside = 68  nanosieverts per hour
 
Soil exposed to rain water = 69 nanosieverts per hour
 
Watermelon from Central Market = 108 nanosieverts per hour
 
Tap water = 122 nanosieverts per hour
 
Filtered water = 116 nanosieverts per hour