Ambient office = 65 nanosieverts per hour

 

Ambient outside = 98 nanosieverts per hour

 

Soil exposed to rain water = 92 nanosieverts per hour

 

Vine ripened tomato from Top Foods = 104 nanosieverts per hour

 

Tap water = 73 nanosieverts per hour

 

Filtered water = 61 nanosieverts per hour