Geiger Readings for May 27, 2016

Ambient office = 93 nanosieverts per hour
 
Ambient outside = 171 nanosieverts per hour
 
Soil exposed to rain water = 179 nanosieverts per hour
 
Redleaf lettuce from Central Market = 93 nanosieverts per hour
 
Tap water = 123 nanosieverts per hour
 
Filtered water = 116 nanosieverts per hour