A B Casilla

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Publications (2)3.21 Total impact

  • Source
    Article: Risk assessment approach for untreated wastewater using the QUAL2E water quality model.
    D C McAvoy, P Masscheleyn, C Peng, S W Morrall, A B Casilla, J M U Lim, E G Gregorio
    [show abstract] [hide abstract]
    ABSTRACT: This paper presents a novel approach for assessing the risk of consumer product ingredients in surface waters that receive untreated wastewater. The approach utilizes the water quality simulation model QUAL2E for predicting the impact caused by conventional pollutants, as well as the exposure concentration of consumer product ingredients. This approach invokes an impact zone concept whereby the receiving water can be thought of as a natural wastewater treatment system. After the river has recovered via self-purification, the ecosystem is then assessed by traditional risk assessment methods. This approach was validated using data collected from the Balatuin River, which is located in the Philippines. Results from this study support the use of QUAL2E for assessing the risk of consumer product ingredients in riverine systems receiving untreated wastewater.
    Chemosphere 08/2003; 52(1):55-66. · 3.21 Impact Factor
  • Article: Risk assessment approach for untreated wastewater using the QUAL2E water quality model
    D.C. McAvoy, P. Masscheleyn, C. Peng, S.W. Morrall, A.B. Casilla, J.M.U. Lim, E.G. Gregorio
    [show abstract] [hide abstract]
    ABSTRACT: This paper presents a novel approach for assessing the risk of consumer product ingredients in surface waters that receive untreated wastewater. The approach utilizes the water quality simulation model QUAL2E for predicting the impact caused by conventional pollutants, as well as the exposure concentration of consumer product ingredients. This approach invokes an impact zone concept whereby the receiving water can be thought of as a natural wastewater treatment system. After the river has recovered via self-purification, the ecosystem is then assessed by traditional risk assessment methods. This approach was validated using data collected from the Balatuin River, which is located in the Philippines. Results from this study support the use of QUAL2E for assessing the risk of consumer product ingredients in riverine systems receiving untreated wastewater.
    Chemosphere.

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