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Ambient office = 93 nanosieverts per hour

 

Ambient outside = 45 nanosieverts per hour

 

Soil exposed to rain water = 53 nanosieverts per hour

 

Banana from QFC = 125 nanosieverts per hour

 

Tap water = 98 nanosieverts per hour

 

Filtered water = 88 nanosieverts per hour