Spilled Oils: Static Mixtures or Dynamic Weathering and Bioavailability?

PloS One
M G CarlsLarry G Holland

Abstract

Polynuclear aromatic hydrocarbons (PAHs) from sequestered MV Selendang Ayu oil were biologically available in 2008, 3.6 y after it was spilled along Unalaska Island, Alaska. Thermodynamically driven weathering was the most probable mechanism of organism exposure to PAHs. Alkane and PAH composition in oil changed over time as smaller constituents were preferentially lost, indicative of weathering. In contrast, composition of the largest compounds (biomarkers) including triterpanes, hopanes, and steranes remained unchanged. Smaller molecules (the PAHs) lost from stranded oil were observed in indigenous mussels and passive samplers deployed in July 2008. Concentration and composition of PAHs were significantly different than in a non-oiled reference area and patterns observed in mussels were repeated in passive samplers deployed in three zones (intertidal, subtidal, and water). Thus, hydrocarbons lost from one compartment (sequestered whole oil) were detectable in another (mussels and passive samplers) implying aqueous transfer. Quantities of mobile oil constituents were small, yielding uptake concentrations that are likely inconsequential for mussels, but the sensitivity provided by bioaccumulation and passive sampler uptake ensu...Continue Reading

References

Jul 27, 2001·Marine Environmental Research·M G CarlsS D Rice
Dec 19, 2002·Environmental Science & Technology·Christopher M ReddyGlenn S Frysinger
Jan 27, 2004·Environmental Science & Technology·Jeffrey W ShortStanley D Rice
Feb 18, 2004·Marine Environmental Research·Mark G CarlsS D Rice
Apr 15, 2004·Toxicology and Applied Pharmacology·John P IncardonaNathaniel L Scholz
Dec 7, 2005·Environmental Health Perspectives·John P IncardonaNathaniel L Scholz
Jul 22, 2006·Environmental Science & Technology·Mark G Carls
Jan 16, 2007·Environmental Toxicology and Chemistry·Andrea J FarwellD George Dixon
Jun 28, 2007·Environmental Science & Technology·Jeffrey W ShortStanley D Rice
Nov 8, 2007·Proceedings of the National Academy of Sciences of the United States of America·Zhisong Wang
Apr 15, 2008·Environment International·Ranjita R HarjiNarayan B Bhosle
Dec 10, 2009·Proceedings of the National Academy of Sciences of the United States of America·Erin N KellyBarbra L Fortin
Aug 5, 2011·The ISME Journal·Zhenmei LuJizhong Zhou
Sep 29, 2011·Proceedings of the National Academy of Sciences of the United States of America·Andrew WhiteheadFernando Galvez

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Citations

Apr 2, 2016·Archives of Environmental Contamination and Toxicology·Mark G CarlsStanley D Rice
Oct 26, 2016·Environmental Toxicology and Chemistry·Mark G CarlsMandy Lindeberg
Aug 27, 2021·PloS One·Abeer R M Abd El-AzizShereen M Shehata

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Methods Mentioned

BETA
PCA

Software Mentioned

hopane
Nordtest

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