제목	J. Park, W. Um, “Surface Complexation Modeling of Nickel Sorption Under Varying Geochemical Conditions at the Wolsong Repository Site”, Presented in the Korea Radioactive Waste Society conference, Jeju, South Korea, Oct 31- Nov 2, 2018.
J. Park, W. Um, “Surface Complexation Modeling of Nickel Sorption Under Varying Geochemical Conditions at the Wolsong Repository Site”, Presented in the Korea Radioactive Waste Society conference, Jeju, South Korea, Oct 31- Nov 2, 2018.

번호	제목
79	S. Kwon, J. Ahn, W. Um, “Leaching behaviors of Co, Cs, and I from geopolymer and cement waste forms containing high-sulfate sludge waste”, Presented in the Korean Radioactive Wastes Society Conference, Jeju, South Korea, oct 30- Nov 1, 2019
78	J. Kim, J. Kang, W. Um, "Simultaneous Removal of Both Cesium and Iodine Using Prussian Blue Functionalized Layered Double Hydroxides(PB-LDH)", Presented in the Korean Radioactive Waste Society Conference, Jeju, South Korea, Oct 30 - Nov 1, 2019
77	J. Lee, J.E. Kang, S. Hong, W. Kim, "Decontamination of radionuclides in wastewater after soil-washing process", Presented in the Korean Radioactive Waste Society Conference, jeju, South Korea, Oct 30 - Nov 1, 2019
76	J. Lee, J.E. Kang, J. Kang, W. Kim, W. Um, "Development of Cement Waste Form for Decommissioning Waste of NPP", Presented in the Korean Radioactive Waste Society Conference, jeju, South Korea, Oct 30 - Nov 1, 2019
75	S. Kwon, W. Kim, W. Um,"Development of polymer waste form for spent ion-exchange resins",Presented in Waste Management symposia, Phoenix, AZ, USA, March 3-7, 2019
74	J. Ahn, S. Kwon, W. Kim, S. Kim, W. Choi, W. Um,"Solidification of HyBRID waste using metakaolin based geopolymer waste form",Presented in 2018 Materials Research Society fall meeting and exhibit, Boston, USA, Nov. 25-30, 2018
73	M. Khan, S. Hong, W. Um,"Incorporation of Rhenium in Tin Dioxide for Technetium Immobilization",Presented in the International Symposium on Technetium and Rhenium, Moscow, Russia, Sep 27 - Oct 6, 2018
72	S. Nam, W. Um,"Treatment of Radionuclide from CRUD using Underwater Microwave Plasma",Presented in the Korean Radioactive Waste Society Conference, Jeju, South Korea, oct 31- Nov 2, 2018
	J. Park, W. Um, “Surface Complexation Modeling of Nickel Sorption Under Varying Geochemical Conditions at the Wolsong Repository Site”, Presented in the Korea Radioactive Waste Society conference, Jeju, South Korea, Oct 31- Nov 2, 2018.
70	W. Kim, M. Khan, W. Um, “Rhenium-doped tin dioxide study for technetium radioactive waste immobilization” Presented in the Joint International Conference of the Geological Science & Technology of Korea. Busan, South Korea, April 17-20, 2018.
69	W. Kim, J. Kang, S. Kwon, S. Chang, “Study on the fate for radionuclide in concrete waste”, Presented in the Goldschmidt Conference. Boston, USA, Aug 12-17, 2018
68	W. Kim, J.E. Kang, W. Um, “Overview of Radioactive Waste Acceptance Criteria for Treatment and Management of Radioactive Waste”, Presented in the Korea Radioactive Waste Society conference, Jeju, South Korea, Oct 31- Nov 2, 2018.
67	W. Kim, S. Han, W. Um, “Phase change of radioactive Co in radiologically contaminated concrete waste”, Presented in the Korean Society of Environmental Engineers conference, Gwangju, South Korea, Nov 14-16, 2018.
66	W. Um, J. Kang. “Layered double hydroxides synthesis and application for radioactive iodine removal” Presented in the Nuclear Materials Conference, Seattle, WA, USA, October 14-18, 2018
65	S.Hong, S. Han, S. Nam, W. Kim, W. Um "Decontamination of Concrete Waste Gernerated from Nuclear Power Plant Decommissioning with Different Organic Solvents" presented in the Korean Radioactive Waste Society Conference, Jeju, South Korea, Oct 31- Nov 2. 2018