Invitation for registration – Open

IARMA Environmental Radioactivity Proficiency Test on the Determination of Gross Alpha/Beta in Drinking  and Sea Water



Target laboratories: Laboratories working in the field of measurement of gross alpha/beta particle activities in drinking and seawater using an analytical technique for monitoring water supplies for alpha/beta particle activities according to internationally agreed guidelines and limits.

Proficiency test material:  The Proficiency Test will consist of 6 water spiked items – 4 drinking water and 2 seawater (from 0.1 to 100 Bq/l). The items can be analysed using Liquid Scintillation / Gas Proportional Counting or using any other radiochemical procedure.

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.

EGROSS-PT-2024 schedule:

Activity Target date
Participants registration closing date 15 June 2024
Payment of the PT fees 15 July 2024
Sample shipment starting date 31 August 2024
Reporting of analytical results closing date 30 November 2024
Individual evaluation report 15 December 2024
Draft of the full report 31 January 2024

Registration: Please fill in the form below and  send your purchase order to:

EGROSS-PT-2024 fees: The participation fees are £ (GBP) 850  plus VAT (if applicable) which includes samples, individual evaluation report, summary report, PT certificate and sample shipment.