Geiger Readings for Apr 18, 2016

Ambient office = 122 nanosieverts per hour
 
Ambient outside = 98 nanosieverts per hour
 
Soil exposed to rain water = 88 nanosieverts per hour
 
Vine ripened tomato from Central Market = 77 nanosieverts per hour
 
Tap water = 77 nanosieverts per hour
 
Filtered water = 74 nanosieverts per hour