Test details

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RAD 05/2025 - Radon measurements in ground water

Proftest Syke will organize a proficiency test (PT) for analysis of radon in ground water in co-operation with Radiation and Nuclear Safety Authority in Finland (STUK). Laboratories conducting radon measurements from drinking water can participate in this PT.
The radon ²²²Rn measurements are required in Drinking Water Directive (2013/51/EURATOM). Laboratories that provide these services may prove their competence by taking part in the PT. About 25 laboratories are expected to participate in this PT. The measurand and samples of this proficiency test are included in the Water chemistry scheme of the Proftest Syke accreditation scope (finas.fi/sites/en).

Sample delivery date is on 6 May 2025.
The final report for the proficiency test will be published in September 2025.

Test

TestRAD 05/2025
NameRadon measurements in ground water
Ordering3/10/2025 – 4/11/2025
Samples delivery5/6/2025
Result form open5/7/2025 – 5/12/2025

Files

File	Modified	Size
RAD 05-2025 Infoletter_en.pdf	3/7/2025 1:36 PM	416 kB

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Instructions

RAD 05/2025 - Radon measurements in ground water

On this page we inform the important dates for the current proficiency testing scheme. You find information about the time frame for registration, the sample delivery date¹ as well as the schedule according to which the participants should report their results via this user interface.

You may place an order by selecting Create order from the left side bar or from the bottom of the page.

Information letter for the proficiency testing scheme is available on this page, in the FILES section.

¹⁾The sample delivery date indicates the date we send the samples to national participants. For international participants the sample delivery depends on the destination. The aim is to deliver the samples so that they arrive at the same time than for the national participants.

Proftest Syke does not take responsibility for delivery delays but possible actions needed due to delays will be taken into consideration case-specifically. The participant is responsible for possible clearance or customs fee of the samples.