Among the analyzed metals, the European Community has set a limit only for Pb and Cd (EC, 2006) in seafood (Pb: 0.3 mg/kg w.w. for all analyzed fish and 1.5 mg/kg w.w. for Donax trunculus; Cd: 0.1 mg/kg w.w. for Engraulis encrasicolus and Trachurus trachurus, 0.3 mg/kg w.w. for Scomber scombrus,