Composition of in situ burn residue as a function of weathering conditions |
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| Affiliation: | 1. Research Planning, Inc., 1121 Park St., Columbia, SC 29201, United States;2. U.S. Army Corps of Engineers, 4735 East Marginal Way, Seattle, WA 98134, United States;3. USEPA, Gulf Ecology Division, 1 Sabine Island Drive, Gulf Breeze, FL 32561, United States;4. Port Gamble Environmental Sciences, 152 Sunset Lane, Sequim, WA 98382, United States;1. University of Dayton Research Institute, Dayton, OH 45469, USA;2. U.S. Environmental Protection Agency, Office of Research and Development, Research Triangle Park, NC 27711, USA;3. U.S. Army Corps of Engineers, Cold Regions Research Engineering Laboratory, Hanover, NH 03755, USA;4. U.S. Environmental Protection Agency, Office of Research and Development, Cincinnati, OH 45219, USA;5. Pegasus Technical Services, Inc., Cincinnati, OH 45219, USA;6. U.S. Department of the Interior, Bureau of Safety and Environmental Enforcement, Sterling, VA 20166, USA |
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| Abstract: | Troll B crude oil was weathered under Arctic conditions with different ice coverage: open water, 50% ice and 90% ice. Samples (100 mL) were taken during the experiment and tested for ignitability in a burning cell. From each burning a residue sample was taken for analysis. The burning process removed the light compounds eluting before C13. No effect from the prior weathering time or the different ice coverage was seen in the burn residue composition. The content of selected Poly Aromatic Hydrocarbons (PAHs) was determined and it was noted that the concentration of PAHs with more than 4 rings were increased. The source origin of the PAHs was investigated by use of relative ratios of PAH isomers and indicated that some formation of PAHs was additionally taking place during burning. |
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