Ambient office  = 53 nanosieverts per hour

Ambient outside = 158 nanosieverts per hour

Soil exposed to rain water = 161 nanosieverts per hour

Blueberry from Central Market = 101 nanosieverts per hour

Tap water = 100 nanosieverts per hour

Filtered water = 88 nanosieverts per hour

Dover sole – Caught in USA = 116 nanosieverts per hour