Ambient office = 77 nanosieverts per hour

 

Ambient outside = 138 nanosieverts per hour

 

Soil exposed to rain water = 133 nanosieverts per hour

 

Hass avacado from Top Foods = 121 nanosieverts per hour

 

Tap water = 95 nanosieverts per hour

 

Filtered water = 89 nanosieverts per hour