Invitation for Registration – Open
IARMA Environmental Radioactivity Proficiency Test on the Determination of Tritium in Water
ETRIT-PT-2026
IARMA Ltd will organize a proficiency test on the determination of Tritium in water at environmental levels ETRIT-PT-2026.
Target laboratories: Laboratories working in the field of analysis of tritium in water at environmental levels using liquid scintillation counting, gas proportional counting or mass spectrometry.
Proficiency test materials: The PT set of samples will consist of 6 water samples spiked with tritium (from 0.1 to 1000 TU). The samples can be analyzed using Liquid Scintillation / Gas Proportional Counting or Mass Spectrometry. Certain samples might require enrichment.
The IARMA environmental radioactivity proficiency tests are conducted according to predefined criteria, for more information please refer to: PT General Procedure and Criteria for environmental radioactivity proficiency tests.
ETRIT-PT-2026 schedule:
| Activity | Target date |
| Participants registration closing date | 30 June 2026 |
| Payment of the PT fees | 15 July 2026 |
| Sample shipment starting date | 15 September 2026 |
| Reporting of analytical results closing date | 30 November 2026 |
| Evaluation reports | 15 December 2026 |
| Draft of the summary report | 31 January 2027 |
Registration: Please fill in the form below and send your purchase order to: office@iarma.co.uk.
ETRIT-PT-2026 fees: The participation fees are £ (GBP) 850.00 plus VAT (if applicable) which includes samples, individual evaluation report, summary report, PT certificate and sample shipment.
