title: Reply to comment on "Biodegradation of perfluorooctanesulfonate (PFOS) as an emerging contaminant".
authors.affiliation: Department of Bioenvironmental and Chemical Engineering, Chosun Colledge of Science and Technology, 309-1, Pilmun-daero, Dong-gu, Gwangju 501-744, Republic of Korea. Electronic address: kwonbg0@daum.net.
authors.forename: Bum Gun
authors.initials: BG
authors.lastname: Kwon