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Based on a weight of evidence approach, the toxicity of lavandin oil light fraction to aquatic organisms was first estimated with the additivity formula, as recommended in the Regulation (EC) No 1272/2008 (CLP), using adequate toxicity data of major constituents, greater than 3% in the UVCB substance considered as a mixture. Five constituents were considered, representing 82.4% of the mixture.

Based on individual toxicities of these teen major constituents, the LC50 value for lavandin oil light fraction is estimated to be 0.772 mg/L for aquatic invertebrates.

Based on individual toxicities of these teen major constituents, the EC50 value for lavandin oil light fraction is estimated to be 2.34 mg/L for aquatic algae.

The substance is classified H411 according to the table 4.1.0 of CLP regulation.

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