Geiger Readings for Apr 28, 2016

Ambient office = 108 nanosieverts per hour
 
Ambient outside = 145 nanosieverts per hour
 
Soil exposed to rain water = 164 nanosieverts per hour
 
Bartlett pear from Central Market = 104 nanosieverts per hour
 
Tap water = 73 nanosieverts per hour
 
Filtered water = 63 nanosieverts per hour