Control Banding for Nanotechnology Applications

About Us

David M. Zalk, PhD, CIH is a past president of the International Occupational Hygiene Association and currently serves as their envoy. Leading numerous national and international committees over the last two decades, he is currently the Vice President of the Foundation for Occupational Health and Safety. David is recognized worldwide as an expert on Control Banding and qualitative risk assessment strategies and received his PhD at the Delft University of Technology in the Netherlands. David is a Deputy Team Leader at the Lawrence Livermore National Laboratory (LLNL), an award-winning industrial hygienist, and remains actively involved in research and development within the greater occupational health and safety sciences. Authoring numerous journal articles and book chapters, his research includes: nanomaterial sciences, metals capture and analysis, biological and toxicological decontamination agents, occupational biomechanics, and the development of occupational risk management and health and safety management systems.

Samuel Y. Paik, PhD, CIH is an industrial hygienist at the LLNL, where he currently serves as a technical lead for the Industrial Hygiene Group within the Worker Safety and Health Functional Area. He also serves as the Risk Assessment and Control (RAC) Database manager, Beryllium Subject Matter Expert, and Respirator Program Administrator. Samuel was previously LLNL's Nanotechnology Safety Subject Matter Expert and played a central role in establishing LLNL's first Nanotechnology Safety Program, which incorporated a control banding approach as its primary method for risk assessment and control. Samuel previously provided oversight to LLNL's National Ignition Facility (4 years) and Explosives Testing Site (6 years).  Samuel has authored/co-authored scientific peer-reviewed publications in broad subjects ranging from modeling and development of particle size selective samplers, measurement of lower explosive limits in rapidly changing vapor streams, characterization of beryllium exposures from X-ray vaporization, and control banding for nanoparticle risk assessments.  Samuel received a B.A. in Integrative Biology at UC Berkeley and an M.S. and PhD in Industrial Health from the University of Michigan.  Samuel is a past chair of AIHA’s Aerosol Technology Committee.

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