AN-04-8 Symposium on Pumping, Piping, and Water Quality Issues for GSHPS AN-04-8-1 A Bin Method Energy Analysis for Ground-Coupled Heat Pumps (RP- 12 17) Stephen P. Kavanaugh and Steven E. Lambert . 535 AN-04-8-2 Operational Performance of Ground-Coupled (Closed Loop) Ground-Source Heat Pump System Pumping Alternatives (RP-121 7) Steven E. Lambert and Stephen P. Kavanaugh . 543 AN-04-8-3 Water Chemistry Issues in Geothermal Heat Pump Systems Kevin D. Raffe rS 550