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    Acute toxicity of water-accommodated fraction and chemically enhanced WAF of bunker C oil and dispersant to a microalga Tetraselmis tetrathele

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    Date
    2016
    Author
    Santander-Avanceña, Sheryll S.
    Sadaba, Resurreccion B.
    Taberna Jr., Hilario S.
    Tayo, Gilma T.
    Koyama, Jiro
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    Abstract
    This study assessed the toxicity of water-accommodated fraction (WAF) and chemically enhanced WAF (CEWAF) of bunker C oil and dispersant (DISP) to a microalga, Tetraselmis tetrathele. The 72-h median effective concentration (72-h EC50) of CEWAF and DISP were determined at 3.30 % and 2.40 %, respectively. The no observed effect concentration (NOEC) of CEWAF to T. tetrathele was at 2.0 % and lowest observed effect concentration (LOEC) was at 3.0 % while NOEC and LOEC of DISP to T. tetrathele were determined at 1.0 % and 2.0 %, respectively. The addition of dispersant to oil increased the amount of total PAH present in the CEWAF test solutions. DISP alone was highly toxic, and the toxicity of CEWAF was primarily caused by the presence of dispersant.
    URI
    http://hdl.handle.net/10862/2955
    Suggested Citation
    Santander-Avanceña, S. S., Sadaba, R. B., Taberna Jr., H. S., Tayo, G. T., & Koyama, J. (2016). Acute toxicity of water-accommodated fraction and chemically enhanced WAF of bunker C oil and dispersant to a microalga Tetraselmis tetrathele. Bulletin of Environmental Contamination and Toxicology, 96(1), 31-35.
    DOI
    10.1007/s00128-015-1696-0
    Type
    Article
    ISSN
    0007-4861; 1432-0800
    Subject
    Dispersants; Water-accommodated fraction (WAF); Chemically enhanced WAF (CEWAF); Acute toxicity test; Tetraselmis tetrathele
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    • Journal Articles [1108]


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