Process hazard analysis projects in accordance with federal and state laws. As project manager, Dr. Carroll managed all aspects of process hazard analyses and chemical accident prevention programs for transport, consolidation, safe receipt and long-term storage of the U.S. Defense Logistics Agency’s strategic stockpile (~5,000 tons) of elemental mercury at Hawthorne Army Depot, NV. Allowed the dispersed national stockpile of elemental mercury to be transported, received, and stored in one location without incident to control access and support safe and environmentally sound management. Project included analysis of the movement and transfer of material, review of regulations and guidance, and application of professional experience and judgment to develop best management and chemical accident prevention practices. Performed “What if” analysis, HAZOP, and human factors evaluations for all aspects of process review to identify best management practices. Project team identified over 200 mitigation recommendations. All were implemented.