Geiger Readings for June 16, 2016

Ambient office = 115 nanosieverts per hour
 
Ambient outside = 79 nanosieverts per hour
 
Soil exposed to rain water = 92 nanosieverts per hour
 
Redleaf lettuce from Central Market = 74 nanosieverts per hour
 
Tap water = 73 nanosieverts per hour
 
Filtered water = 70 nanosieverts per hour