Geiger Readings for Apr 10, 2016

Ambient office = 74 nanosieverts per hour
 
Ambient outside = 81 nanosieverts per hour
 
Soil exposed to rain water = 81 nanosieverts per hour
 
Vine ripened tomato from Central Market = 98 nanosieverts per hour
 
Tap water = 104 nanosieverts per hour
 
Filtered water = 79 nanosieverts per hour