Michael Alfieri, P.G., P.Hg., CGWP¹ and Sam Upchurch, Ph.D., P.G.², (1)Water Resource Associates, LLC, Tampa, FL, (2)SDII Global Corporation, Tampa, FL

Nathan Habana, PhD¹, John Jenson, PhD¹ and Stephen Gingerich, Ph.D.², (1)Water & Environmental Research Institute of the Western Pacific, University of Guam, Mangilao, Guam, (2)Oregon Water Science Center, U.S. Geological Survey, Portland, OR

Robert M. DiFilippo, P.G.¹, Ian Smout² and Lee Bosher, PhD², (1)Civil and Building Engineering, Loughborough University, Loughborough, UK, Loughborough, United Kingdom, (2)Loughborough University, Loughborough, UK, Loughborough, United Kingdom

Alan E. Fryar¹, James W. Ward, PG², Brett A. Howell¹ and Thomas M. Reed, PG³, (1)Department of Earth and Environmental Sciences, University of Kentucky, Lexington, KY, (2)Department of Physics and Geosciences, Angelo State University, San Angelo, TX, (3)Amec Foster Wheeler, Lexington, KY

Jarrett Ellis, Missouri Water Science Center, U.S. Geological Survey, Rolla, MO

Alain Mangin, Ph.D.¹ and Farid Achour, PhD², (1)Ramboll, Irvine, CA, (2)Site Solution and Water Resources, Ramboll, Irvine, CA

Ida Shalilian¹, John Jenson, PhD¹, Mark Lander, PhD¹ and Richard Randall², (1)Water & Environmental Research Institute of the Western Pacific, University of Guam, Mangilao, Guam, (2)Marine Laboratory, University of Guam, Mangilao, Guam

Kaylyn Bautista¹, John Jenson, PhD², Mark Lander, PhD¹ and Timothy Righetti, PhD³, (1)Water and Environmental Research Institute, University of Guam, Mangilao, Guam, (2)Water & Environmental Research Institute of the Western Pacific, University of Guam, Mangilao, Guam, (3)College of Natural and Applied Sciences, University of Guam, Mangilao, Guam