Ambient office = 77 nanosieverts per hour

 

Ambient outside = 82 nanosieverts per hour

 

Soil exposed to rain water = 87 nanosieverts per hour

 

Crimini mushroom from Top Foods = 100 nanosieverts per hour

 

Tap water = 109 nanosieverts per hour

 

Filtered water = 86 nanosieverts per hour