Geiger Readings for Nov 18, 2015

Ambient office = 108 nanosieverts per hour
 
Ambient outside = 121 nanosieverts per hour
 
Soil exposed to rain water = 106 nanosieverts per hour
 
Redleaf lettuce from Central Market = 89 nanosieverts per hour
 
Tap water = 106 nanosieverts per hour
 
Filtered water = 100 nanosieverts per hour