Hebei Spirit oil spill monitored on site by fluorometric detection of residual oil in coastal waters off Taean, Korea

Moonkoo Kim, Un Hyuk Yim, Sang Hee Hong, Jee-Hyun Jung, Hyun-Woo Choi, Joongeon An, Jongho Won, Won Joon Shim
Marine Pollution Bulletin 2010, 60 (3): 383-9
The spatiotemporal distributions of dissolved and/or dispersed oil in seawater and pore water were monitored on site by fluorometric detection method after the Hebei Spirit oil spill. The oil concentrations in intertidal seawater, 15 days after the spill, were as high as 16,600 microg/L and appeared to decrease below the Korean marine water quality standard of 10 microg/L at most sites 10 months after the spill. Fluorometric detection of oil in pore water was introduced to eliminate the effects of grain size for the quantification of oil in sediments and to better explain spatial and temporal distribution of oil pollution at sandy beaches. The fluorescence detection method was compared with the conventional laboratory technique of total petroleum hydrocarbon analysis using gas chromatography. The method of fluorescence detection of oil was capable of generating results much faster and more cost-effectively than the traditional GC technique.

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