Ambient office  = 109 nanosieverts per hour

Ambient outside = 93 nanosieverts per hour

Soil exposed to rain water = 96 nanosieverts per hour

Avocado from Central Market = 109 nanosieverts per hour

Tap water = 108 nanosieverts per hour

Filtered water = 100 nanosieverts per hour

Dover sole – Caught in USA = 134 nanosieverts per hour