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Ambient office = 69 nanosieverts per hour

 

Ambient outside = 123 nanosieverts per hour

 

Soil exposed to rain water = 102 nanosieverts per hour

 

Banana from QFC = 94 nanosieverts per hour

 

Tap water = 75 nanosieverts per hour

 

Filtered water = 68 nanosieverts per hour