Eileen Poeter, IGWMC, Colorado School of Mines

Mary Hill, US Geological Survey

Chunmiao Zheng, University of Alabama

David Ahlfeld, University of Massachusetts

William Woessner, University of Montana

Charlie Andrews, S.S. Papadopolus & Associates

David Benson, Colorado School of Mines

Noel Merrick, University of Technology, Sydney Australia

Theo Olsthoorn, Amsterdam Water Supply, and Delft University, Netherlands

Jens Christian Refsgaard, Geological Survey of Denmark and Greenland, GEUS

Randall T. Hanson, US Geological Survey

Hendrick Haitjema, Indiana University

Paul M. Barlow, US Geological Survey

Al Valocchi, University of Illinois at Urbana-Champaign

Henning Prommer, CSRIO, Australia

Wenpeng Li, CIGEM, China

Tom Nicholson, US NRC