Hydrocarbons, Chlorinated - metabolism, Polychlorinated Biphenyls - analysis, Fishes - metabolism, Oceans and Seas, DDT - analysis, Food Contamination - analysis, Consumer Product Safety, Humans, Polychlorinated Biphenyls - metabolism, Water Pollutants, Chemical - analysis, Animals, Insecticides - metabolism, Hydrocarbons, Chlorinated - analysis, DDT - metab...