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Ambient office  = 138 nanosieverts per hour

Ambient outside = 84 nanosieverts per hour

Soil exposed to rain water = 82 nanosieverts per hour

Avocado from Central Market = 83 nanosieverts per hour

Tap water = 145 nanosieverts per hour

Filtered water = 119 nanosieverts per hour

Dover sole - Caught in USA = 89 nanosieverts per hour