GREG MEHOS, P.E., is a project engineer for Jenike & Johanson, Inc.(400 Business Park Dr., Tyngsboro, MA 01879; Phone: (978) 649-3300; Email: gmehos@jenike.com). He has been involved in a wide range of bulk solids handling projects, including hopper and feeder design, design of gravity reclaim systems, and analysis of purge columns. He received BS and PhD degrees in chemical engineering from the Univ. of Colorado and an MChE degree from the Univ. of Delaware and is a registered professional engineer in Colorado and Massachusetts. He is a member of AIChE, served on the executive committee of AIChE’s Particle Technology Forum, and is a past chairman of the Boston Local Section.