She probably means at or near background. If I were to do a contamination survey I would say that radiation levels were normal if they were within 100 counts of background. If I were to do a radiation survey I would verify no alpha radiation was detected and my beta-gamma levels were less than something like 0.1 mrem/hr.
I have no idea what you’re talking about and I had even less of an idea of what was going on after watching that totally confusing news clip on Youtube . Maybe it’s just me tonight .
There is no word of this story locally .