Base-neutral extractable organic pollutants in biota and sediments from Lake Pontchartrain |
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Authors: | Jo Ann McFall Shelley R. Antoine Ildefonso R. DeLeon |
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Affiliation: | Center for Bio-Organic Studies, University of New Orleans, Lakefront, New Orleans, Louisiana 70148 USA |
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Abstract: | A study was conducted to screen the three passes that link Lake Pontchartrain to the Gulf of Mexico via Lake Borne for the presence of EPA base-neutral (BN) priority pollutants and any other pollutants detected in significant concentration. Biota and sediment samples were collected and analytical procedures were developed for the trace analysis of BN organics in these matrices. Compounds identified include alkanes (normal, branched, cyclic), alkenes, aromatics, alkylated aromatics, polynuclear aromatic hydrocarbons and their alkylated derivatives, phthalates, ketones, furans, thiophenes, phenols, amines, nitriles, thiazoles, amides, aldehydes, alcohols, free fatty acids, fatty acid methyl and ethyl esters, phosphates, sterols. Concentrations were in the parts-per-billion range. |
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