Ambient office = 84 nanosieverts per hour

Ambient outside = 114 nanosieverts per hour

Soil exposed to rain water = 118 nanosieverts per hour

Celery from Central Market = 96 nanosieverts per hour

Tap water = 106 nanosieverts per hour

Filter water = 100 nanosieverts per hour

Dover sole – Caught in USA = 119 nanosieverts per hour