Ambient office = 112 nanosieverts per hour

 

Ambient outside = 78 nanosieverts per hour

 

Soil exposed to rain water = 79 nanosieverts per hour

 

Carrot from Top Foods = 65 nanosieverts per hour

 

Tap water = 78 nanosieverts per hour

 

Filtered water = 72 nanosieverts per hour