The European Chemicals Agency (ECHA) recently held a two-day workshop concerning its first experiences with nanomaterials under the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) program, with an emphasis on the evaluation process. ECHA, Member State Competent Authorities (MSCA), accredited stakeholders, and the European Commission (EC) discussed how nanomaterials in general have been characterized in registration dossiers. Currently, according to ECHA, the...