Geiger Readings for Feb 19, 2016
Ambient office = 129 nanosieverts per hour
Ambient outside = 95 nanosieverts per hour
Soil exposed to rain water = 105 nanosieverts per hour
Mango from Central Market = 118 nanosieverts per hour
Tap water = 114 nanosieverts per hour
Filter water = 105 nanosieverts per hour