I found nothing in the Google search results for that, or follow up search results, that indicate what you are saying is correct. Mind linking to something con

I found nothing in the Google search results for that, or follow up search results, that indicate what you are saying is correct. Mind linking to something concrete? What I did find was numerous documents noting that Geiger counters needed to be calibrated to generate useful dose rates because CPM by itself is useless without a bunch of other work to characterize the sensor and radiation type.