Ambient office  = 96 nanosieverts per hour

Ambient outside = 121 nanosieverts per hour

Soil exposed to rain water = 119 nanosieverts per hour

Banana from Central Market = 107 nanosieverts per hour

Tap water = 116 nanosieverts per hour

Filter water = 111 nanosieverts per hour

Dover sole – Caught in USA = 80 nanosieverts per hour