Wednesday, January 25, 2012

EHS Effects of Nanomaterials: Report Proposes Plan to Address Knowledge Gap

The predicted rapid expansion of nanotechnology over the next decade brings increased concern over greater exposures to and potential health and environmental effects of engineered nanomaterials. A new report from National Research Council aims to close critical gaps in understanding the EHS risks of nanomaterials. The report presents a strategic approach for developing research and a scientific infrastructure needed to address potential EHS risks of nanomaterials.

According to the council, the committee that authored the report recognizes the considerable global effort to identify research needs for the development and safe use of nanotechnology, including those of the National Nanotechnology Initiative (NNI). However, the committee concludes that insufficient linkage exists between research and research findings and the creation of risk prevention and management strategies. Therefore, the committee says, “there is a need for a research strategy that is independent of any one stakeholder group, has human and environmental health as its primary focus, builds on past efforts, and is flexible in anticipating and adjusting to emerging challenges.”

The committee identified four research categories that should be addressed within 5 years:

  • Identify and quantify nanomaterials being released and populations and environments being exposed.
  • Understand processes that affect both potential hazards and exposure.
  • Examine nanomaterial interactions in complex systems ranging from subcellular to ecosystems.
  • Support an adaptive research and knowledge infrastructure for accelerating progress and providing rapid feedback to advance research.
Although the committee calls for the integration of domestic and global particpants, including NNI, in the strategy implementation, it says that the current structure of NNI hinders effective implementation. “There is concern that dual and potentially conflicting roles of the NNI, such as developing and promoting nanotechnology while identifying and mitigating risks that arise from its use, impede application and evaluation of health and environmental risk research,” the committee says. “To carry out the research strategy effectively, a clear separation of management and budgetary authority and accountability between promoting nanotechnology and assessing potential environmental and safety risks is essential.”