Geiger Readings for Jun 20, 2017

Ambient office = 129 nanosieverts per hour
 
Ambient outside = 117 nanosieverts per hour
 
Soil exposed to rain water = 119 nanosieverts per hour
 
Redleaf lettuce from Central Market = 103 nanosieverts per hour
 
Tap water = 89 nanosieverts per hour
 
Filter water = 80 nanosieverts per hour