Fact Sheet No. 250, UMaine Extension No. 2276 Developed by Hexazinone BMP Committee, Department of Agriculture, Food & Rural Resources, Augusta, Maine.  Prepared by David E. Yarborough, Extension Blueberry Specialist, The University of Maine, Orono, ME 04469. Revised February 2008. Objective: Handling and applying hexazinone so that potential impact on surface and groundwater is minimized.