(Health Physics and Diagnostic Sciences) gave presentations at the titled, "Using Neutron Activation to Study Heavy Metals in Water Samples of Lake Mead" and “Evaluating Cosmic-ray Background in an HPGE Detector System: Experimental Observations and Geant4 Simulations.” Tran is an undergraduate student in the environmental health physics program, and his research is guided by Zaijing Sun in the Group of .