Geiger Readings for Jun 28, 2017

Ambient office = 87 nanosieverts per hour
 
Ambient outside = 132 nanosieverts per hour
 
Soil exposed to rain water = 137 nanosieverts per hour
 
Heirloom tomato from Central Market = 85 nanosieverts per hour
 
Tap water = 100 nanosieverts per hour
 
Filter water = 85 nanosieverts per hour