Geiger Readings for May 21, 2020

Ambient office  = 70 nanosieverts per hour

Ambient outside = 106 nanosieverts per hour

Soil exposed to rain water = 108 nanosieverts per hour

Yam from Central Market = 122 nanosieverts per hour

Tap water = 103 nanosieverts per hour

Filtered water = 80 nanosieverts per hour