Geiger Readings for May 28, 2015

Ambient office = 120 nanosieverts per hour
 
Ambient outside = 107  nanosieverts per hour
 
Soil exposed to rain water = 106 nanosieverts per hour
 
Mango from Central Market = 111  nanosieverts per hour
 
Tap water = 67 nanosieverts per hour
 
Filtered water = 60 nanosieverts per hour