Remarks on representative ground-level air monitoring

The methods applied and the typical influences affecting representative measurements of radionuclides contained in ground-level aerosols are summarized. The activity concentrations of 7Be, 22Na, 40K, 137Cs, and 210Pb were determined in weekly collected samples and the ratio “sample A/sample B” was calculated over a period of 5 years. The results are compared with findings from literature. The estimation of the limits of comparability and reliability were extended to 22Na, 40K, 137Cs, and 210Pb measurements.