Geiger Readings for Feb 11, 2020

Ambient office  = 68 nanosieverts per hour

Ambient outside = 136 nanosieverts per hour

Soil exposed to rain water = 135 nanosieverts per hour

Yam from Central Market = 75 nanosieverts per hour

Tap water = 100 nanosieverts per hour

Filtered water = 93 nanosieverts per hour