EPA is announcing a 45-day public comment period for the draft document "Nanomaterial Case Study: Nanoscale Silver in isinfectant Spray" (EPA/600/R-10/081). The document is being issued by the National Center for Environmental Assessment within EPA's Office of Research and Development. The draft is intended to serve as part of a process to help identify and prioritize scientific and technical information that could be used in conducting comprehensive environmental assessments of selected nanomaterials. The 45-day public comment period begins August 13, 2010, and ends September 27, 2010. POC is Office of Environmental Information Docket; telephone: 202-566-1752; facsimile: 202-566-1753; or e-mail: ORD.Docket@epa.gov (Federal Register: August 13, 2010 [Notices], Page 49487-49489).