BS EN ISO 13164-4:2020 Historical

WARNING — Persons using this part of ISO 13164 should be familiar with normal laboratory practice. This part of ISO 13164 does not purport to address all of the safety issues, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any national regulatory conditions.

IMPORTANT — It is absolutely essential that tests conducted in accordance with this part of ISO 13164 be carried out by suitably qualified staff.

This part of ISO 13164 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.

Cross References:
ISO 80000-10
IEC 17025
ISO 3696
ASTM D5072-09
ISO 11929
ISO 5667-1
ISO 13164-1
ISO 5667-14
GUM:1995
ISO 8258
CITAC Guide CG4:2012
ISO 5667-3
ISO/IEC Guide 98-3:2008


Incorporates the following:
Corrigendum, March 2020 See more