Ambient office = 130 nanosieverts per hour

 

Ambient outside = 118 nanosieverts per hour

 

Soil exposed to rain water = 102 nanosieverts per hour

 

Asparagus from Top Foods = 105 nanosieverts per hour

 

Tap water = 96 nanosieverts per hour

 

Filtered water = 73 nanosieverts per hour