Assessment of Residual Petroleum Hydrocarbon Two Years After the M/T Solar I Oil Spill in Southern Guimaras, Central Philippines

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This study investigated the residual level of polycyclic aromatic hydrocarbons (PAH) in sediments and shellﬁshes from some heavilyimpacted areas of Southern Guimaras, Central Philippines two years after the M/T Solar I oil spill. Chemical analysis revealed thatthe PAH is still within detectable level in some heavily impacted areas of TINMAR and Luzaran in Southern Guimaras, although there was a signiﬁcant decrease in total PAH of coastal sediments from (3 – 25 ppm) one year after the oil spill to (1 ppb - 17 ppm) two years. However, the total PAH in mangrove surface sediments of TINMAR is relatively lower (<0.16 ppm - 0.8 ppm) and remained almost at the same level two years after the oil spill. On the other hand, the shellﬁshes recorded a more dramatic decrease in PAH from (9.7- 18.7 ppm) one year after the oil spill to (1 ppb – 2.4 ppm) two years after.
2010-07-26