Research Article

Marine Environmental Risk Assessment of Sungai Kilim, Langkawi, Malaysia: Heavy Metal Enrichment Factors in Sediments as Assessment Indexes

Table 4

Heavy metal in each station (concentration for Fe is depicted in percentage (%), while other metals are in μg/g dry weight).

Heavy metalsSt.1St.2St.3St.4St.5St.6AverageOne-way ANOVA

Cd0.2880.3880.4520.0260.2010.2940.275 ± 0.137
Co7.9898.8727.6866.1047.7617.7567.695 ± 0.818
Fe4.0864.9394.9394.4025.2305.2224.803 ± 0.422
Pb6.5081.0571.84411.695.5715.0795.292 ± 3.473
Zn59.8166.91862.24568.30868.69774.92366.817 ± 4.856

There are significant differences between the sampling stations.