Gregg Romanyshyn is the technical director for the Hydraulic Institute. He can be reached at gromanyshyn@pumps.org. Matt Zolnick is Hydraulic Institute’s standards engineer. He can be reached at mzolnick@pumps.org. For a complete analysis of the new standard, visit www.Pumps.org and search for ANSI/HI 14.6-2011 Rotodynamic Pumps, or see a complete list of all HI standards by visiting www.eStore.Pumps.org to obtain a copy of the standard.