Ambient office  = 91 nanosieverts per hour

Ambient outside = 94 nanosieverts per hour

Soil exposed to rain water = 90 nanosieverts per hour

Avocado from Central Market = 86 nanosieverts per hour

Tap water = 111 nanosieverts per hour

Filtered water = 89 nanosieverts per hour

Dover sole – Caught in USA = 108 nanosieverts per hour