Indirect methods of surface contamination monitoring - Bertin Instruments

    Indirect methods of surface contamination monitoring

    Indirect methods of surface contamination monitoring are used when unsuitable geometry or interference from other radiations prevent direct monitoring and in complement when direct monitoring has shown the presence of radioactive contamination.

    A wide range of techniques is available, but all depend upon the removal of radioactive material from the surface being examined. It may be necessary to take samples from the area being monitored to another area for counting.

    In daily practice of radiation protection, not only direct contamination monitoring with the mobile contamination monitor is required, but also the indirect contamination monitoring by means of taking a smear test sample, especially to find out if the contamination is sticking. PAB2 is used for non-fixed surface contamination points statutory search of materials, parcels, etc. leaving a controlled area or a nuclear site.


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