The Scientific World Journal / 2013 / Article / Tab 6

Research Article

Assessing the Ecological Risk of Polycyclic Aromatic Hydrocarbons in Sediments at Langkawi Island, Malaysia

Table 6

Diagnostic PAH ratios in the sediment and their possible sources.

BaA/BaA + ChryaAn/An + PhbLMW/HMWc

Kuah Jetty0.14Petr0.61Pyr0.45Pyr
Kilim Jetty0.74Pyr0.29Pyr0.52Pyr
Telaga Harbour0.47Pyr0.16Pyr1.43Pyr
Porto Malai Jetty0.45Pyr0.55Pyr1.11Pyr
Fish F.I-10.53Pyr0.27Pyr1.53Pyr
Fish F.I-20.08Petr0.52Pyr0.52Pyr
Fish F.I-30.47Pyr0.31Pyr1.02Pyr
Fish F.II-10.07Petr0.10Pyr0.93Pyr
Fish F.II-20.33Petr + Pyr0.15Pyr0.31Pyr
Fish F.III0.06Petr0.45Pyr0.42Pyr
Mean0.340.340.82
Petrogenic S. <0.2<0.1>1
Pyrogenic S.>0.35>0.1<1

Benzo[a]anthracene to benzo[a]anthracene plus chrysene; banthracene to anthracene plus phenanthrene ratio; cPAHs with low molecular weight to PAHs with high molecular weight; Petr: petrogenic; Pyr: pyrogenic.

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