Invitation for registration – Closed

IARMA Environmental Radioactivity Proficiency Test on the Determination of Carbon-14 in Water


Target laboratories: Laboratories working in the field of measurement of C-14 activities in water using an analytical technique for monitoring drinking water supplies for C-14 activities according to internationally agreed guidelines and limits.

Proficiency test material:  The Proficiency Test will consist of 4 water spiked items (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.

ECARB-PT-2022 schedule:

Activity Target date
Participants registration closing date 15 July 2022
Payment of the PT fees 15 July 2022
Sample shipment starting date 31 August 2022
Reporting of analytical results closing date 15 November 2022
Individual evaluation report 15 December 2022
Draft of the full report 31 January 2023

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

ECARB-PT-2022 fees: The participation fees are £ (GBP)850  plus VAT (if applicable) which includes samples, individual evaluation report, summary report, PT certificate and sample shipment.