Geiger Readings for May 26, 2016

Ambient office = 55 nanosieverts per hour
 
Ambient outside = 75 nanosieverts per hour
 
Soil exposed to rain water = 71 nanosieverts per hour
 
Redleaf lettuce from Central Market = 108 nanosieverts per hour
 
Tap water = 87 nanosieverts per hour
 
Filtered water = 81 nanosieverts per hour