The EQA catalogue and participant guide includes full details of all the ERNDIM EQA schemes, the Participant Guide and the terms and conditions of EQA participation.
The current EQA catalogue and participant guide can be found below:
https://www.erndim.org/wp-content/uploads/2025/02/DOC2218-ERNDIM-2025-EQA-Catalogue-and-Participant-Guide-V3-19.02.2025-AG.pdf