In February 2007, the National Institute for Occupational Safety and Health (NIOSH) released a report entitled Progress Toward Safe Nanotechnology in the Workplace, which summarizes the progress made by the NIOSH Nanotechnology Research Center (NTRC) since its inception in 2004 through 2006. According to NIOSH, by redirecting existing resources, NTRC developed a research program that has made progress towards hazard identification and characterization, exposure assessment, risk...