Geiger Readings for Dec 21, 2018

Ambient office  = 92 nanosieverts per hour

Ambient outside = 75 nanosieverts per hour

Soil exposed to rain water = 75 nanosieverts per hour

Red onion from Central Market = 95 nanosieverts per hour

Tap water = 78 nanosieverts per hour

Filter water = 71 nanosieverts per hour