Collected from Toronto Harbour in 1981, contains high levels of lead.Ag.5.47 µg/g*Fe .35361 µg/Rb .94.0 µg/g*Al . 64799 µg/gGa. 17.3 µg/g*Sb.3.22 µg/g*As. 8.70 µg/gHg .0.620 µg/gSc.13.5 µg/g*B.84.0 &mi