Ambient office  =  89 nanosieverts per hour

Ambient outside = 140 nanosieverts per hour

Soil exposed to rain water = 139 nanosieverts per hour

Cauliflower from Central Market = 86 nanosieverts per hour

Tap water = 122 nanosieverts per hour

Filtered water = 100 nanosieverts per hour

Dover sole – Caught in USA = 108 nanosieverts per hour