Ernest "Chip" R. Blatchley III, Ph.D., P.E., BCEE, F. ASCE is a Professor at Purdue University with a joint appointment in the School of Civil Engineering and the Division of Environmental & Ecological Engineering. He received his B.S. in Civil Engineering from Purdue University, with M.S. and Ph.D. degrees from the University of California, Berkeley, also in Civil (Environmental) Engineering. Professor Blatchley and his students conduct research in the general area of Physico/Chemical Processes of Environmental Engineering, with particular emphasis on the fundamental behavior of disinfection processes.