title: Spatio-temporal assessment of perfluorinated compounds in the Brisbane River system, Australia: impact of a major flood event.
abstract: Perfluorinated chemicals including PFOA and PFOS have been widely used in consumer products and have become ubiquitous pollutants widely distributed in the aqueous environment. Following a major flood event in 2011, water samples were collected along a spatial gradient of the Brisbane River system to provide an initial estimate of the release of PFASs from flooded urban areas. PFOA (mean concentrations 0.13-6.1 ng L(-1)) and PFOS (mean concentrations 0.18-15 ng L(-1)) were the most frequently detected and abundant PFASs. Mean total PFASs concentrations increased from 0.83 ng L(-1) at the upstream Wivenhoe Dam to 40 ng L(-1) at Oxley Creek, representing an urban catchment. Total masses of PFOA and PFOS delivered into Moreton Bay from January to March were estimated to be 5.6 kg and 12 kg respectively. From this study, urban floodwaters appear to be a previously overlooked source of PFASs into the surrounding environment.
authors.affiliation: The University of Queensland, National Research Centre for Environmental Toxicology (Entox), Coopers Plains, Brisbane, Queensland, Australia. Electronic address: c.bentley@uq.edu.au.
authors.forename: Christie
authors.initials: C
authors.lastname: Gallen
authors.affiliation: The University of Queensland, National Research Centre for Environmental Toxicology (Entox), Coopers Plains, Brisbane, Queensland, Australia.
authors.forename: Christine
authors.initials: C
authors.lastname: Baduel
authors.affiliation: The University of Queensland, National Research Centre for Environmental Toxicology (Entox), Coopers Plains, Brisbane, Queensland, Australia.
authors.forename: Foon Yin
authors.initials: FY
authors.lastname: Lai
authors.affiliation: The University of Queensland, National Research Centre for Environmental Toxicology (Entox), Coopers Plains, Brisbane, Queensland, Australia.
authors.forename: Kristie
authors.initials: K
authors.lastname: Thompson
authors.affiliation: The University of Queensland, National Research Centre for Environmental Toxicology (Entox), Coopers Plains, Brisbane, Queensland, Australia.
authors.forename: Jack
authors.initials: J
authors.lastname: Thompson
authors.affiliation: The University of Queensland, National Research Centre for Environmental Toxicology (Entox), Coopers Plains, Brisbane, Queensland, Australia; Water Quality and Investigations, Environmental Monitoring and Assessment Science, Science Delivery, Department of Science, Information Technology, Innovation and the Arts, Dutton Park, Brisbane, Queensland, Australia.
authors.forename: Michael
authors.initials: M
authors.lastname: Warne
authors.affiliation: The University of Queensland, National Research Centre for Environmental Toxicology (Entox), Coopers Plains, Brisbane, Queensland, Australia.
authors.forename: Jochen F
authors.initials: JF
authors.lastname: Mueller
mesh_terms: D001315:Australia; D004784:Environmental Monitoring / Q000379:methods*; D055868:Floods; D005466:Fluorocarbons / Q000032:analysis*; D045483:Rivers / Q000737:chemistry*; D062211:Spatio-Temporal Analysis; D014507:Urbanization; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014881:Water Supply / Q000592:standards
chemical_list: D005466:Fluorocarbons; D014874:Water Pollutants, Chemical
keywords: Australia; Floodwater; PFOA; PFOS; Perfluorinated chemicals; Urban