The Council of the European Union (EU) announced on June 12, 2025, that it reached a provisional agreement with the European Parliament (EP) on the “one substance, one assessment” (OSOA) legislative package, “which aims to streamline assessments of chemicals across relevant EU legislation, strengthen the knowledge base on chemicals, and ensure early detection and action on emerging chemical risks.” The package contains three proposals: a directive concerning the re-attribution of scientific and technical tasks; a regulation aimed at enhancing cooperation among EU agencies in the area of chemicals; and a regulation establishing a common data platform on chemicals. According to the Council, the co-legislators maintain the objectives of the European Commission’s (EC) legislative package but expanded the information available in the common platform to include scientific data submitted voluntarily, clarified the treatment of medical data, and ensured that the content of the platform will be publicly available. The provisional agreement will now be considered by the Council of the EU and the EP for formal adoption. For more information, please read the full memorandum

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