Abstract Preview

ISO 13164-4:2015 describes a test method for the determination of radon-222 (222Rn) activity concentration in non-saline waters by extraction and liquid scintillation counting.

The radon-222 activity concentrations, which can be measured by this test method utilizing currently available instruments, are at least above 0,5 Bq l−1 for a 10 ml test sample and a measuring time of 1 h.

This test method can be used successfully with drinking water samples and it is the responsibility of the laboratory to ensure the validity of this test method for water samples of untested matrices.

Annex A gives indication on the necessary counting conditions to meet the required detection limits for drinking water monitoring.


General information

  • Status :  Published
    Publication date : 2015-06
  • Edition : 1
    Number of pages : 12
  • :
    ISO/TC 147/SC 3
    Radioactivity measurements
  • 13.280
    Radiation protection
    17.240
    Radiation measurements
    13.060.60
    Examination of physical properties of water

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