Characteristics of total gaseous mercury (TGM) concentrations in an industrial complex in South Korea: impacts from local sources oleh Y.-S. Seo, Y.-S. Seo, S.-P. Jeong, T. M. Holsen, Y.-J. Han, E. Choi, E. H. Park, T. Y. Kim, H.-S. Eum, D. G. Park, E. Kim, S. Kim, J.-H. Kim, J. Choi, S.-M. Yi, S.-M. Yi