Ambient office  =  115 nanosieverts per hour

Ambient outside = 171 nanosieverts per hour

Soil exposed to rain water = 169 nanosieverts per hour

Beefsteak tomato from Central Market = 89 nanosieverts per hour

Tap water = 153 nanosieverts per hour

Filter water = 136 nanosieverts per hour

Dover sole – Caught in USA = 89 nanosieverts per hour