Ambient office = 85 nanosieverts per hour

 

Ambient outside = 57 nanosieverts per hour

 

Soil exposed to rain water = 55 nanosieverts per hour

 

Red seedless grapes from Top Foods = 66 nanosieverts per hour

 

Tap water = 87 nanosieverts per hour

 

Filtered water = 75 nanosieverts per hour