,On 1 April 2026, the European Chemicals Agency (ECHA) launched a call for comments and evidence to support the scientific evaluation of occupational exposure limits (OELs) for naphthalene. The substance is identified by EC Number 202-049-5 and CAS Number 91-20-3. No dossier submitter is specified, as this initiative is part of a broader evidence-gathering process rather than a classification proposal. The call, open until 1 July 2026, aims to collect scientific data on workplace exposure, including information on uses, exposure levels, toxicology, epidemiology, health effects, and modes of action. Naphthalene is currently classified under Annex VI of the CLP Regulation as Carcinogenic Category 2 (Carc. 2) and Acute Toxicity Category 4 (Acute Tox. 4), indicating potential cancer risk and harmful effects if swallowed. No proposed future entry in Annex VI or specific hazard classes open for commenting are defined within this call, as the focus is on evaluating exposure limits rather than revising classification. ECHA has been mandated by the European Commission to assess the need for regulatory measures such as airborne OELs, STELs, BLVs, or BGVs. The collected evidence will support future EU actions under Directive 98/24/EC to protect workers from chemical exposure risks.
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