Determining radioactive aerosol concentrations using a surface radioactive contamination measurement device

For experiments with dispersed radioactive aerosols in a radon-aerosol chamber (RAC), it is desirable to know the activity of the radioactive aerosols applied in the RAC. A COLIBRI TTC survey metre with an SABG-15+ probe (Canberra, USA) was purchased for this purpose. The probe is designed for surfa...

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Bibliographic Details
Published in:Radiation protection dosimetry 2015-06, Vol.164 (4), p.533-536
Main Authors: Cerny, R, Johnova, K, Kozlovska, M, Otahal, P, Vosahlikova, I
Format: Article
Language:English
Subjects:
Aerosols - analysis
Air Pollutants, Radioactive - analysis
Alpha Particles
Calibration
Computer Simulation
Equipment Design
Gamma Rays
Models, Theoretical
Monte Carlo Method
Radiation Monitoring - instrumentation
Radioisotopes - analysis
Radiometry - instrumentation
Radiometry - methods
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Summary:For experiments with dispersed radioactive aerosols in a radon-aerosol chamber (RAC), it is desirable to know the activity of the radioactive aerosols applied in the RAC. A COLIBRI TTC survey metre with an SABG-15+ probe (Canberra, USA) was purchased for this purpose. The probe is designed for surface contamination measurements, and it is intended to measure the activity of aerosols deposited on the filters during experiments in the RAC. Since the probe is calibrated in a different geometry, its response in the authors' experimental geometry was simulated by a Monte Carlo method. The authors present a Monte Carlo model using MCNPX and an experimental verification of this probe model.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/ncv338