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Assessing soil and groundwater contamination in a metropolitan redevelopment project |
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| Authors: | Junki Yun Ju Young Lee Jeehyeong Khim Won Hyun Ji |
| Affiliation: | 1. Samsung C & T Corporation Engineering and Construction Group, Seoul, South Korea 2. Department of Civil and Environmental Engineering, Seoul National University and Korea Institute of Science and Technology (KIST), Seoul, 151-742, South Korea 3. School of Civil, Environmental and Architectural Engineering, Korea University, 136-701, Seoul, South Korea 4. Mine Reclamation Corp. Coal Center, 30 Chungjin-dong Street, Jongno-gu, Seoul, 110-727, South Korea |
| Abstract: | The purpose of this study was to assess contaminated soil and groundwater for the urban redevelopment of a rapid transit railway and a new mega-shopping area. Contaminated soil and groundwater may interfere with the progress of this project, and residents and shoppers may be exposed to human health risks. The study area has been remediated after application of first remediation technologies. Of the entire area, several sites were still contaminated by waste materials and petroleum. For zinc (Zn) contamination, high Zn concentrations were detected because waste materials were disposed in the entire area. For petroleum contamination, high total petroleum hydrocarbon (TPH) and hydrocarbon degrading microbe concentrations were observed at the depth of 7 m because the underground petroleum storage tank had previously been located at this site. Correlation results suggest that TPH (soil) concentration is still related with TPH (groundwater) concentration. The relationship is taken into account in the Spearman coefficient (α). |
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