Distribution and concentrations of petroleum hydrocarbons associated with the BP/Deepwater Horizon Oil Spill,Gulf of Mexico |
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| Authors: | Paul W. Sammarco Steve R. Kolian Richard A.F. Warby Jennifer L. Bouldin Wilma A. Subra Scott A. Porter |
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| Affiliation: | 1. Louisiana Universities Marine Consortium (LUMCON), 8124 Hwy. 56, Chauvin, LA 70344, USA;2. EcoRigs Non-Profit Organization, 6765 Corporate Blvd., Suite 1207, Baton Rouge, LA 70809, USA;3. Dept. Natural Sciences, Assumption College, 500 Salisbury St., Worcester, MA 01609, USA;4. Ecotoxicology Research Facility, Dept. of Biological Sciences, Arkansas State University, PO Box 599, State University, AR 72467, USA;5. Subra Company, Louisiana Environmental Action Network (LEAN), and Lower Mississippi Riverkeeper, PO Box 9813, New Iberia, LA 70562, USA;6. EcoLogic Environmental, Inc., PO Box 886, Houma, LA 70361, USA |
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| Abstract: | We examined the geographic extent of petroleum hydrocarbon contamination in sediment, seawater, biota, and seafood during/after the BP/Deepwater Horizon Oil Spill (April 20–July 15, 2010; 28.736667°N, −88.386944°W). TPH, PAHs, and 12 compound classes were examined, particularly C1-benzo(a)anthracenes/chrysenes, C-2-/C-4-phenanthrenes/anthracenes, and C3-naphthalenes. Sediment TPH, PAHs, and all classes peaked near Pensacola, Florida, and Galveston, Texas. Seawater TPH peaked off Pensacola; all of the above classes peaked off the Mississippi River, Louisiana and Galveston. Biota TPH and PAHs peaked near the Mississippi River; C-3 napthalenes peaked near the spill site. Seafood TPH peaked near the spill site, with PAHs and all classes peaking near Pensacola. We recommend that oil concentrations continued to be monitored in these media well after the spill has ceased to assist in defining re-opening dates for fisheries; closures should be maintained until hydrocarbon levels are deemed within appropriate limits. |
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| Keywords: | BP/Deepwater Horizon Gulf of Mexico Oil spill Petroleum hydrocarbons Sediment Seafood |
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