Journal
MARINE POLLUTION BULLETIN
Volume 60, Issue 11, Pages 2123-2129Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2010.09.001
Keywords
Heavy fuel oil; Petroleum weathering; San Francisco Bay; Oil spills; M/V Cosco Busan
Funding
- Richard and Rhoda Goldman Fund
- Coastal Ocean Institute
- Ocean Ventures Fund
- Seaver Institute
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Understanding the fate of heavy fuel oils (HFOs) in the environment is critical for sound decisions regarding its usage and spill cleanup. To study weathering of HFOs, we examined the M/V Cosco Busan spill (November 2007; San Francisco Bay, CA, USA). In this baseline report, we identified which ruptured tank (port tank 3 or 4) was the source of the spilled oil and characterized changes in the oil composition across location and time. Samples from three impacted shorelines, collected within 80 days of the spill, were analyzed using one- and two-dimensional gas chromatography (GC and GC x GC, respectively). Weathering varied across sites, but compounds with GC retention times less than n-C-16 were generally lost by evaporation and dissolution. Changes in n-C-18/phytane and benz[a]anthracene/chrysene ratios indicated some biodegradation and photodegradation, respectively. (C) 2010 Elsevier Ltd. All rights reserved.
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