Ambient office  =  98 nanosieverts per hour

Ambient outside = 89 nanosieverts per hour

Soil exposed to rain water = 90 nanosieverts per hour

Carrot from Central Market = 77 nanosieverts per hour

Tap water = 108 nanosieverts per hour

Filtered water = 91 nanosieverts per hour

Dover sole – Caught in USA = 93 nanosieverts per hour