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September 13, 2012

OECD Concludes Existing Test Methods and Assessment Approaches Appropriate for Nanomaterials

Lynn L. Bergeson

On September 11, 2012, the Organization for Economic Cooperation and Development (OECD) posted a brochure entitled “Six Years of OECD Work on the Safety of Manufactured Nanomaterials: Achievements and Future Opportunities.” The brochure notes that “[a]fter six years of work, the OECD and its member countries have come to the conclusion that the approaches for the testing and assessment of traditional chemicals are in general appropriate for assessing the safety of nanomaterials, but may have to be adapted to the specificities of nanomaterials.” According to the brochure, knowing that the testing and assessment approaches for traditional chemicals are generally appropriate for assessing nanomaterials, OECD intends to focus on the specific aspects of manufactured nanomaterials that require the adaptation and/or development of specific testing methods used for assessing human health and environmental safety and on developing guidance documents for assessing manufactured nanomaterials adapted to their specificities. OECD states that this will include guidance on estimating exposure on how to use results on physicochemicals endpoints in exposure assessment and mitigation measures to reduce exposure to safe levels. The brochure highlights OECD’s activities concerning manufactured nanomaterials since 2006, including its Sponsorship Programme for the Testing of Manufactured Nanomaterials and development of guidance on exposure measurement and on exposure mitigation.