Distribution of polycyclic aromatic hydrocarbons in urban stormwater in Queensland, Australia
Herngren, Lars Fredrik, Goonetilleke, Ashantha, Ayoko, Godwin A., & Mostert, Maria M. M. (2010) Distribution of polycyclic aromatic hydrocarbons in urban stormwater in Queensland, Australia. Environmental Pollution, 158(9), pp. 2848-2856.
This paper reports the distribution of Polycyclic Aromatic Hydrocarbons (PAHs) in wash-off in urban stormwater in Gold Coast, Australia. Runoff samples collected from residential, industrial and commercial sites were separated into a dissolved fraction (<0.45µm), and three particulate fractions (0.45-75µm, 75-150µm and >150µm). Patterns in the distribution of PAHs in the fractions were investigated using Principal Component Analysis. Regardless of the land use and particle size fraction characteristics, the presence of organic carbon plays a dominant role in the distribution of PAHs. The PAHs concentrations were also found to decrease with rainfall duration. Generally, the 1- and 2-year average recurrence interval rainfall events were associated with the majority of the PAHs and the wash-off was a source limiting process. In the context of stormwater quality mitigation, targeting the initial part of the rainfall event is the most effective treatment strategy. The implications of the study results for urban stormwater quality management are also discussed.
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|Item Type:||Journal Article|
|Keywords:||PAHs, pollutant wash-off, urban water quality, rainfall simulation, stormwater pollution|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Modelling (090702)
|Divisions:||Past > Schools > Chemistry
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2010 Elsevier|
|Deposited On:||01 Aug 2010 23:40|
|Last Modified:||29 Feb 2012 14:16|
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