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Ambient office = 59 nanosieverts per hour

 

Ambient outside = 106 nanosieverts per hour

 

Soil exposed to rain water = 116 nanosieverts per hour

 

Baby Gold Potato from Top Foods = 84 nanosieverts per hour

 

Tap water = 80 nanosieverts per hour

 

Filtered water = 76 nanosieverts per hour