Following up on the positive feedback received for the first proficiency test on precision and accuracy in the analysis of standard solutions organised in 2021, the EURL Berlin is please to announce a new round of this format for October 2023. All eligible laboratories will receive the official announcement by e-mail later today. Due to the limited number of test items available, the EURL Berlin reserves the right to limit the number of participants. Please find more details on the proficiency test here.