title: Comment on "Biodegradation of perfluorooctanesulfonate (PFOS) as an emerging contaminant".
authors: Department of Civil Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada.
authors: Sandra
authors: S
authors: Mejia Avendaño
authors: Department of Civil Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada.
authors: Guowei
authors: G
authors: Zhong
authors: Department of Civil Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada. Electronic address: jinxia.liu@mcgill.ca.
authors: Jinxia
authors: J
authors: Liu