Geiger Readings for Jan 31, 2017

Ambient office  = 100 nanosieverts per hour
 
Ambient outside = 89 nanosieverts per hour
 
Soil exposed to rain water = 84 nanosieverts per hour
 
Beefsteak tomato 
 from Central Market = 83 nanosieverts per hour
 
Tap water = 117 nanosieverts per hour
 
Filter water = 101 nanosieverts per hour