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 + Chrya
An/An + Phb
LMW/HMWc
Kuah Jetty
0.14
Petr
0.61
Pyr
0.45
Pyr
Kilim Jetty
0.74
Pyr
0.29
Pyr
0.52
Pyr
Telaga Harbour
0.47
Pyr
0.16
Pyr
1.43
Pyr
Porto Malai Jetty
0.45
Pyr
0.55
Pyr
1.11
Pyr
Fish F.I-1
0.53
Pyr
0.27
Pyr
1.53
Pyr
Fish F.I-2
0.08
Petr
0.52
Pyr
0.52
Pyr
Fish F.I-3
0.47
Pyr
0.31
Pyr
1.02
Pyr
Fish F.II-1
0.07
Petr
0.10
Pyr
0.93
Pyr
Fish F.II-2
0.33
Petr + Pyr
0.15
Pyr
0.31
Pyr
Fish F.III
0.06
Petr
0.45
Pyr
0.42
Pyr
Mean
0.34
0.34
0.82
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.
