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A preliminary investigation into the use of biomarkers for the monitoring of an ocean outfall

โœ Scribed by Mosse, Peter R. L. ;Brumley, Carolyn M. ;Ahokas, Jorma T. ;Holdway, Douglas A.

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
673 KB
Volume
11
Category
Article
ISSN
1053-4725

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โœฆ Synopsis

The use of several biomarkers of exposure for monitoring a treated mixed effluent from the Latrobe Valley Ocean Outfall was examined. Sand flatheads (Platycephalus bassensis) were exposed in the laboratory to two dilutions of effluent (1.3 and 2.5%, v/v) for three days. Cytochrome P450 content, 7-ethoxyresorufin-0-deethylase (EROD) activity, and biliary metabolites of polycyclic aromatic hydrocarbons (PAH), 2-chlorosyringaldehyde and 2,6-dichlorosyringaldehyde, were measured. There were no statistically significant differences in cytochrome P450 content or EROD activity between control and exposed fish. Analysis of the bile by gas chromatography/mass spectrometry of fish exposed to 2.5% effluent found no increases above background in the levels of PAHs, or specific chlorinated phenolics that are found in bleached hardwood pulp effluents.

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