| A GB MCL technical report is an independent scientific evaluation of the information submitted under the stand-alone GB MCL process or as part of the EU harmonised classification and labelling process. It sets out whether there is adequate scientific evidence to support a new or revised GB MCL of a substance and what that GB MCL should be. The next batch of GB MCL technical reports is now available for download at the end of the GB MCL publication table. The technical report for copper substances, produced under Article 37A of the GB CLP Regulation, follows on from the GB MCL proposal produced by the Agency in 2024. The remaining GB MCL technical reports relate to substances for which the Committee for Risk Assessment (RAC) published a RAC Opinion under Article 37(4) of EU CLP during 2024, based on information submitted under the EU CLP Regulation. The scientific information supporting the RAC Opinion is evaluated under the GB MCL system. At the time of publication, the classification and labelling proposed in these technical reports has not been agreed and/or adopted in GB. For information on the next steps in the process, please see our webpage on the GB MCL system. We expect to publish our next batch of technical reports in March 2025. CLP ebulletin alerts will be issued when technical reports are published on the HSE website. If you have any questions or feedback on the GB MCL technical reports, please contact us via email. Journalists should contact HSEâs press office for further information. | 