Geiger Readings for Sep 27, 2015

Ambient office = 84 nanosieverts per hour
 
Ambient outside = 136 nanosieverts per hour
 
Soil exposed to rain water = 134 nanosieverts per hour
 
Vine ripened tomato from Central Market = 135 nanosieverts per hour
 
Tap water = 73 nanosieverts per hour
 
Filtered water = 67 nanosieverts per hour