Blue swimming crab (BSC) Portunus pelagicus from the Bali Strait had the lowest Cu, Zn, Cr, Pb, Cd and Hg concentrations compared to those from the Java Sea and the Madura Strait. The order of metal concentrations in BSC was Cu > Zn > Cr > Pb > Cd > Hg. The levels of six metals in BSC from all stations were less than the maximum allowable limits. However, Cr levels in BSC from the Java Sea and the Madura Strait exceeded the provisional tolerable weekly intake. All of the hazardous index values reported were greater than one, indicating that consumption of this crab from these locations appears to be hazardous to human health. Furthermore, because the Cr and Cd target cancer risk values were higher than 10-4, people who consume this crab from these locations may develop cancer after a lifespan of consumption.
Keywords: Accumulation; Cd; Cr; Crustacea; Health hazard; Marine pollution.
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