2013 Survey of Iowa Groundwater and Evaluation of Public Well Vulnerability Classifications from Contaminants of Emerging Concern, Hruby, C. E, Libra, R. D., Fields, C. L., Kolpin, D. W., Hubbard, L. E., Borchardt, M. R., Spencer, S. K., Wichman, M. D., Hall, N., Schueller, M. D., Furlong, E. T., and Weyer, P. J., 2015, 18 figs., 11 tables, 3 appendices, 107 p. The Technical Information Series presents research results on a wide variety of geological studies. As its name implies, the series requires that the reader have some background in geologic concepts and terminology.