ECHA has published updated guidelines have been released for the assessment of Persistent, Bioaccumulative, and Toxic (PBT) substances. These guidelines, reflecting the latest scientific advancements, have been revised to align with the updated REACH information requirements and recent modifications to REACH annexes concerning ecotoxicological data.
The overhaul of the PBT assessment guidance is a collaborative effort, incorporating inputs from the PBT expert group, Member State authorities, and various stakeholders. This comprehensive approach ensures a broad spectrum of expertise and perspectives in shaping the guidelines.
Key highlights of the updated guidance include:
- PBT/vPvB Assessment (Chapter R.11): This chapter provides detailed methodologies for assessing substances that are very persistent and very bioaccumulative (vPvB), in addition to the existing PBT criteria.
- Endpoint-Specific Guidance (Chapters R.7b and R.7c): These chapters offer tailored guidance for specific endpoints in the assessment process, enhancing the precision and accuracy of evaluations.
- Illustrative Examples of Weight of Evidence Assessment: A notable addition to the guidance is a list of examples drawn from the Candidate List of substances of very high concern. These examples, which identify substances as PBT/vPvB, serve as practical references in applying weight of evidence assessments. The list is slated for periodic updates to reflect evolving scientific understanding and regulatory developments.
Furthermore, updates have been made to the guidance on Classification, Labelling, and Packaging (CLP) related to aquatic hazards. These updates include new advice based on the latest OECD test guidelines and clarifications on legal aspects, such as the role of M-factors in classification.
Looking ahead, preparations are underway for additional guidance on the new CLP hazard classes, expected to be published later in 2024. This forthcoming guidance is anticipated to further strengthen regulatory frameworks and safeguard environmental and public health from the risks posed by hazardous substances.
These comprehensive updates underscore a proactive approach towards environmental protection and public health, aligning regulatory practices with the forefront of scientific research and international standards.
ECHA has published updated guidelines have been released for the assessment of Persistent, Bioaccumulative, and Toxic (PBT) substances. These guidelines, reflecting the latest scientific advancements, have been revised to align with the updated REACH information requirements and recent modifications to REACH annexes concerning ecotoxicological data.
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