Ambient office = 75 nanosieverts per hour

 

Ambient outside = 83 nanosieverts per hour

 

Soil exposed to rain water = 116 nanosieverts per hour

 

Vine ripened tomato from Top Foods = 119 nanosieverts per hour

 

Tap water = 100 nanosieverts per hour

 

Filtered water = 86 nanosieverts per hour