Ambient office = 89 nanosieverts per hour

Ambient outside = 134 nanosieverts per hour

Soil exposed to rain water = 30 nanosieverts per hour

Broccoli from Central Market = 49 nanosieverts per hour

Tap water = 100 nanosieverts per hour

Filter water = 90 nanosieverts per hour

Dover sole – Caught in USA = 126 nanosieverts per hour