Ambient office  =  119 nanosieverts per hour

Ambient outside = 73 nanosieverts per hour

Soil exposed to rain water = 75 nanosieverts per hour

White onion from Central Market = 116 nanosieverts per hour

Tap water = 78 nanosieverts per hour

Filtered water = 61 nanosieverts per hour

Dover sole – Caught in USA = 98 nanosieverts per hour