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    Dioxins, Furans and PCBs in recycled water for indirect potable reuse

    Access Status
    Fulltext not available
    Authors
    Rodriguez, C.
    Cook, A.
    Devine, B.
    Van Buynder, P.
    Lugg, R.
    Linge, Kathryn
    Weinstein, P.
    Date
    2008
    Type
    Journal Article
    
    Metadata
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    Citation
    Rodriguez, C and Cook, Angus and Devine, Brian and Van Buynder, Paul and Lugg, Richard and Linge, Kathryn and Weinstein, Philip. 2008. Dioxins, Furans and PCBs in recycled water for indirect potable reuse. International Journal of Environmental Research and Public Health 5 (5): pp. 356-367.
    Source Title
    International Journal of Environmental Research and Public Health
    ISSN
    16604601
    Faculty
    Department of Applied Chemistry
    School of Science and Computing
    Faculty of Science and Engineering
    URI
    http://hdl.handle.net/20.500.11937/22154
    Collection
    • Curtin Research Publications
    Abstract

    An assessment of potential health impacts of dioxin and dioxin-like compounds in recycled water for indirect potable reuse was conducted. Toxic equivalency factors (TEFs) for 2,3,7,8-substituted polychlorinated dibenzo-p-dioxins (PCDD) and dibenzofurans (PCDFs) and dioxin-like polychlorinated biphenyls (PCBs) congeners have been developed by the World Health Organization to simplify the risk assessment of complex mixtures. Samples of secondary treated wastewater in Perth, Australia were examined pre-and post-tertiary treatment in one full-scale and one pilot water reclamation plant. Risk quotients (RQs) were estimated by expressing the middle-bound toxic equivalent (TEQ) and the upper-bound TEQ concentration in each sampling point as a function of the estimated health target value. The results indicate that reverse osmosis (RO) is able to reduce the concentration of PCDD, PCDF and dioxin-like PCBs and producewater of high quality (RQ after RO=0.15). No increased human health risk from dioxin and dioxin-like compounds is anticipated if highly treated recycled water is used to augment drinking water supplies in Perth. Recommendations for a verification monitoring program are offered.

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