Geiger Readings for June 28, 2016

Ambient office = 99 nanosieverts per hour
 
Ambient outside = 122 nanosieverts per hour
 
Soil exposed to rain water = 118 nanosieverts per hour
 
Redleaf lettuce from Central Market = 86 nanosieverts per hour
 
Tap water = 93 nanosieverts per hour
 
Filtered water = 83 nanosieverts per hour