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Ambient office  =  73 nanosieverts per hour

Ambient outside = 97 nanosieverts per hour

Soil exposed to rain water = 96 nanosieverts per hour

Blueberry from Central Market = 136 nanosieverts per hour

Tap water = 91 nanosieverts per hour

Filtered water = 87 nanosieverts per hour

Dover sole - Caught in USA = 52 nanosieverts per hour