Development of Bioassay Procedures for Defining Pollution of Harbor Sediments

Abstract

Six sites in the Duluth-Superior Harbor have been sampled. The sites 1 (Allouez Bay area), 2 (Superior Ore Docks area), 3 (Lakehead Transshipment Terminal area), 4 (Superior Sewage Treatment Plant area) and 6 (Minnesota Power and Light area) correspond to the same locations as indicated in the project pro­posal. The sixth site designated as Sa is located near the Farmers Union Elevator No. 1 (Figure 1).