In a recent Federal Register notice, the Agency for Toxics Substances and Disease Registry (ATSDR) announced it is initiating the development of its 28th set of toxicological profiles (Comprehensive Environmental Response, Compensation and Liability Act, CERLA Set 28). This notice provides the list of proposed substances that will be evaluated, and ATSDR is soliciting public nominations from this list as well as any additional, non-CERCLA substances that may have public health implications. Nominations from the Substance Priority List and/or additional substances must be submitted no later than June 20, 2014. For additional information, please view the Federal Register notice.