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NIOSH research and resources for safe handling of nanomaterials.

Am Ceram Soc Bull 2013 Aug 92(6):32
The mission of the National Institute for Occupational Safety and Health (NIOSH), a nonregulatory federal agency, is to conduct research and make recommendations for preventing work-related injuries, illnesses, and deaths. Within NIOSH, the Nanotechnology Research Center coordinates a program of laboratory and field investigations to develop and disseminate information on tools, practices, and recommendations for safe handling of nanomaterials in the workplace. Publications such as "Approaches to Safe Nanotechnology," and others are available on the NIOSH website (see online resources in Table 1). The possible health risks associated with exposure to these types of materials are not clearly understood. Research shows that traditional engineering control methods adequately decrease the potential for employee exposure to engineered nanoparticles. Until more is known, using nanoscale ceramics to create exciting new properties and opportunities for new products should be done in a way that limits worker exposure. A look at metrics collected by organizations that follow nanotechnology industries provides some perspective. In 2013 the Nanowerk (Honolulu, Hawaii) nanomaterials database listed more than 3,000 commercially available pure nanomaterials. Another group, the Project on Emerging Nanotechnologies (Washington, D.C.) estimates that new nanotechnology-based consumer products are coming on the market at a rate of more than four per week, according to the latest update to its nanotechnology consumer product inventory list. Finally, the market forecasting company BCC Research (Wellesley, Mass.) projects use of nanoscale ceramic powder in the United States will increase by a compound annual growth rate of 9.9 percent between 2011 and 2016. This type of market information validates the growing use of nanomaterials, including ceramic nanoparticles, in manufacturing processes and in a wide variety of consumer, industrial, and commercial products. Workers in nanotechnology-related industries who are handling free, unbound nanoparticles risk potential exposure to these uniquely engineered materials at levels that far exceed the potential exposure of consumers, who may come into contact only with the bound materials. Any inhaled free, unbound nanoparticles can lodge in the smallest, deepest areas of the lungs. Research with laboratory animals showed that some types of nanoparticles may cause inflammation and fibrosis in the lung, while some can penetrate the lung and move to other body organs. The significance of the translocation of these nanoparticles is not yet known and is the subject of further research. For example, a March 11, 2013, post in the NIOSH Science Blog reports that preliminary studies of animals show that certain types of multiwalled carbon nanotubes can act in concert with other known carcinogens to increase significantly the potential for tumor formation. A NIOSH field studies team conducts onsite assessments of potential occupational exposure to a variety of nanomaterials and evaluates methods for mitigating exposure. The team partners with volunteer companies that produce or use engineered nanomaterials to expand and share knowledge specific to the health and safety practices needed for nanomaterials. Partnering with NIOSH benefits the company by providing a comprehensive occupational exposure characterization and control technology assessment, at no cost to the facility. Current federal laws provide protection for the proprietary and trade secret information of the participating companies. Visit the NIOSH Nanotechnology website listed in the table for information and guidance on handling engineered nanomaterials and partnering with the NIOSH nanotechnology field team.
Nanotechnology; Injuries; Injury-prevention; Workers; Worker-health; Safety-measures; Safety-education; Personal-protection; Exposure-levels; Risk-factors; Ceramics; Respiration; Respiratory-protection; Respiratory-protective-equipment; Respiratory-system-disorders; Pulmonary-system; Pulmonary-system-disorders; Pulmonary-function; Fibrosis; Lung; Lung-disorders; Lung-function; Lung-irritants; Lung-tissue; Lung-fibrosis; Animals; Carcinogens
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American Ceramic Society Bulletin