Ambient office = 40 nanosieverts per hour

Ambient outside = 108 nanosieverts per hour

Soil exposed to rain water = 108 nanosieverts per hour

Asparagus from Central Market = 79 nanosieverts per hour

Tap water = 100 nanosieverts per hour

Filtered water = 83 nanosieverts per hour

Dover sole – Caught in USA = 100 nanosieverts per hour