Geiger Readings for Oct 12, 2015

Ambient office = 98 nanosieverts per hour
 
Ambient outside = 85 nanosieverts per hour
 
Soil exposed to rain water = 85 nanosieverts per hour
 
Redleaf lettuce from Central Market = 135 nanosieverts per hour
 
Tap water = 100 nanosieverts per hour
 
Filtered water = 93 nanosieverts per hour