ECHA strategy on substances in nanoforms

The possibility for using dossier and substance evaluation under the current legal text of REACH to verify safe use of nanomaterials on the EU market has become increasingly challenging and resource intensive, following recent rulings of the Board of Appeal. The lack of information on hazardous properties of nanomaterials hampers not only the identification of specific concerns but also the assessment of whether additional risk management measures are needed. ……….

https://echa.europa.eu/documents/10162/2792271/mb_57_2017_echa_strategy_nanoforms_en.pdf/f913484f-9a21-02bc-d386-8cb68d0027a4