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Ambient office = 51 nanosieverts per hour

 

Ambient outside = 65 nanosieverts per hour

 

Soil exposed to rain water = 91 nanosieverts per hour

 

Vine ripened tomato from Top Foods = 81 nanosieverts per hour

 

Tap water = 138 nanosieverts per hour

 

Filtered water = 126 nanosieverts per hour