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Ambient office = 81 nanosieverts per hour

 

Ambient outside = 99 nanosieverts per hour

 

Soil exposed to rain water = 97 nanosieverts per hour

 

Crimini mushroom from Top Foods =  104 nanosieverts per hour

 

Tap water = 75 nanosieverts per hour

 

Filtered water = 63 nanosieverts per hour