1 Criticality of Seven Specialty Metals Stefania Panousi, E.M. Harper, Philip Nuss, Matthew J. Eckelman, Ali Hakimian, and T. E. Graedel Center for Industrial Ecology School of Forestry & Environmental Studies Yale University New Haven, CT 06511 Address correspondence to: Philip Nuss Center for Industrial Ecology, School of Forestry and Environmental Studies, Yale University 195 Prospect Street New Haven, CT USA 06511 * Corresponding author: E-mail: philip@nuss.me , Author Website: www.philip.nuss.me , Keywords: scandium, strontium, antimony, barium, mercury, thallium, bismuth This is the accepted version of the following article: Panousi, S., E.M. Harper, P. Nuss, M.J. Eckelman, A. Hakimian, and T.E. Graedel. 2016. Criticality of Seven Specialty Metals. Journal of Industrial Ecology 20(4): 837–853., which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1111/jiec.12295/abstract Please cite as: Panousi, S., E.M. Harper, P. Nuss, M.J. Eckelman, A. Hakimian, and T.E. Graedel. 2016. Criticality of Seven Specialty Metals. Journal of Industrial Ecology 20(4): 837–853.