Ambient office = 146 nanosieverts per hour

 

Ambient outside = 113 nanosieverts per hour

 

Soil exposed to rain water = 77 nanosieverts per hour

 

Vine ripened tomato from Top Foods = 79 nanosieverts per hour

 

Tap water = 87 nanosieverts per hour

 

Filtered water = 70 nanosieverts per hour