Ambient office  = 103 nanosieverts per hour

Ambient outside = 154 nanosieverts per hour

Soil exposed to rain water = 158 nanosieverts per hour

Avocado from Central Market = 119 nanosieverts per hour

Tap water = 73 nanosieverts per hour

Filtered water = 69 nanosieverts per hour

Dover sole – Caught in USA = 108 nanosieverts per hour