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International Rn-222 in drinking water interlaboratory comparison
Kevin Kelleher1, Jennie Wong1, Luis León-Vintró2
1Office of Radiological Protection, Environmental Protection Agency, 3 Clonskeagh Square, Clonskeagh Road, Dublin 14, Ireland.
Summary
An interlaboratory comparison found most European labs accurately measured radon in drinking water. One lab
Area of Science:
- Environmental Science
- Analytical Chemistry
Background:
- Radon in drinking water is a public health concern.
- Accurate measurement is crucial for risk assessment.
Purpose of the Study:
- To assess the performance of laboratories measuring radon in drinking water.
- To evaluate measurement agreement and uncertainty.
Main Methods:
- An interlaboratory comparison (ILC) involving eight European laboratories.
- Participants measured radon concentrations in provided water samples.
Main Results:
- Most laboratory results agreed with the assigned value.
- One result was questionable due to potentially underestimated measurement uncertainties.
Conclusions:
- Participating laboratories demonstrated good agreement in radon in water measurements.
- Further attention to uncertainty reporting is warranted for specific results.
Keywords:
Interlaboratory comparisonLiquid scintillation countingMeasurement uncertaintyRadon in water measurements
