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ISO 13164-4:2015

Water quality — Radon-222 — Part 4: Test method using two-phase liquid scintillation counting

Jun 8, 2015
95.99 Withdrawal of Standard   Jul 20, 2023

General information

95.99     Jul 20, 2023

ISO

ISO/TC 147/SC 3

International Standard

13.060.60     17.240     13.280  

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Scope

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.

Life cycle

NOW

WITHDRAWN
ISO 13164-4:2015
95.99 Withdrawal of Standard
Jul 20, 2023

REVISED BY

PUBLISHED
ISO 13164-4:2023