Ambient office  = 100 nanosieverts per hour

Ambient outside = 116 nanosieverts per hour

Soil exposed to rain water = 114 nanosieverts per hour

Avocado from Central Market = 77 nanosieverts per hour

Tap water = 96 nanosieverts per hour

Filtered water = 83 nanosieverts per hour

Dover sole – Caught in USA = 98 nanosieverts per hour