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Ambient office = 85 nanosieverts per hour

 

Ambient outside = 81 nanosieverts per hour

 

Soil exposed to rain water = 72 nanosieverts per hour

 

Baby Gold Potato from Top Foods = 132 nanosieverts per hour

 

Tap water = 106 nanosieverts per hour

 

Filtered water = 99 nanosieverts per hour