By Porter Wright on This article originally appeared on the National Nanomanufacturing Network’s InterNano website. It is licensed under Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported. In late November, the National Institute for Occupational Safety and Health (NIOSH) published a Current Intelligence Bulletin entitled "Occupational Exposure to Carbon Nanotubes and Nanofibers." The document is not an official "agency determination or policy," and … Continue Reading