Savannah River Ecology Laboratory
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Hyun-shik Chang

Savannah River Ecology Laboratory
P O Drawer E, Aiken, SC 29802
(803) 725-7351 office
(803) 725-3309 fax

I earned my BA and MS in the department of environmental engineering at Inha University, Incheon, South Korea. My study was involved with the biological treatment of landfill leachate for the removal of ammonia nitrogen. After I came to the U.S., I earned another MS and PhD in the department of Civil and Environmental Engineering at the University of Washington, Seattle, WA. I studied the formation mechanism of disinfection-by-product during the chlorination of natural water, the oxidation mechanism of EDTA-Metal complexes by alkaline permanganate, and the structures of In Situ formed manganese oxide containing heavy metals. Then, I served a year in Kyungpook National University, Daegu, South Korea as an invited professor. During the period, I involved the development of an analytical method for Bisphenol-A as an endocrine disrupting compound (EDC). After I came back to the U.S., I spent a year in Pacific Northwest National Laboratory, Richland, WA as a post-doc research associate. I investigated the releasing mechanism of Sr and Cs from the weathered Hanford sediments using CrunchFlow geochemistry transport model and the stabilization method of Tc(VII) using various iron oxide minerals. Currently, I am working with Dr. John Seaman for the improved modeling of inorganic contaminant transport in the vadose zone.