Geiger Readings for Feb 19, 2015

Ambient office = 108 nanosieverts per hour
 
Ambient outside = 123 nanosieverts per hour
 
Soil exposed to rain water = 102 nanosieverts per hour
 
Herloom tomato from Central Market = 91 nanosieverts per hour
 
Tap water = 85 nanosieverts per hour
 
Filtered water = 73 nanosieverts per hour