ISO 13164-4:2015

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

Publication date: Jun 8, 2015

General information

Current stage: 90.92 Effective date: May 21, 2021

Originator: ISO

Owner: ISO/TC 147/SC 3

Type: International Standard

ICS: 13.060.60 17.240 13.280

Languages: English French

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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

PUBLISHED
ISO 13164-4:2015
90.92 Standard to be revised
May 21, 2021

REVISED BY

IN_DEVELOPMENT
ISO/DIS 13164-4

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