August 14, 2022

Volume XII, Number 226

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August 12, 2022

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August 11, 2022

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EUON Publishes Nanopinion on Models to Characterize Exposures to Manufactured Nanomaterials in the OECD

On June 28, 2022, the European Union (EU) Observatory for Nanomaterials (EUON) published a Nanopinion entitled “Models to Characterize Exposures to Manufactured Nanomaterials in OECD” by Vladimir Murashov, Ph.D., Senior Scientist in the Office of the Director, National Institute for Occupational Safety and Health (NIOSH), and John Howard, M.D., Director of NIOSH and Administrator of the World Trade Center Health Program in the U.S. Department of Health and Human Services. The authors describe recently completed international projects conducted under the umbrella of the Organization for Economic Cooperation and Development (OECD). Created in 2007 and led by NIOSH, the OECD Steering Group on Exposure Measurement and Mitigation of Nanomaterials (SG8) addresses the exposure component of the risk assessment and risk management program for manufactured nanomaterials. As reported in our November 23, 2022, blog item, on December 2, 2021, the SG8 organized a webinar to present four recent publications on models to characterize exposures to manufactured nanomaterials in workers, consumers, and the environment.

According to the authors, while the results of these SG8 projects “can help guide private and public sector risk assessment and risk management professionals to choose adequate models to identify exposure to manufactured nanomaterials,” the following challenges remain:

  • There is a paucity of high-quality experimental exposure data and a very limited number of exposure scenarios hindering model performance testing;

  • Most existing models tend to overestimate exposure due to the application of the precautionary approach in the absence of sufficient data; and

  • Existing models do not account for agglomeration and aggregation of nanomaterials.

SG8 plans to continue its activities, building on the outputs of exposure model projects and providing further authoritative guidance on the use of exposure models for specific exposure situations. The authors state that for its part, “NIOSH supports international activities aimed at improving safety and health of workers handling manufactured nanomaterials and nano-enabled products.”

©2022 Bergeson & Campbell, P.C.National Law Review, Volume XII, Number 186
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About this Author

Lynn Bergeson, Campbell PC, Toxic Substances Control Act Attorney, federal insecticide lawyer, industrial biotechnology legal counsel, Food Drug Administration law
Managing Partner

Lynn L. Bergeson has earned an international reputation for her deep and expansive understanding of the Toxic Substances Control Act (TSCA), the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), European Union Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), and especially how these regulatory programs pertain to nanotechnology, industrial biotechnology, synthetic biology, and other emerging transformative technologies. Her knowledge of and involvement in the policy process allows her to develop client-focused strategies whether...

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Carla Hutto, Bergeson Campbell PC environmental law regulatory analyst,Toxic Substances Control Act law attorney
Regulatory Analyst

Since 1996, Carla Hutton has monitored, researched, and written about regulatory and legislative issues that may potentially affect Bergeson & Campbell, P.C. (B&C®) clients. She is responsible for creating a number of monthly and quarterly regulatory updates for B&C's clients, as well as other documents, such as chemical-specific global assessments of regulatory developments and trends. She authors memoranda for B&C clients on regulatory and legislative developments, providing information that is focused, timely and applicable to client...

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