PCB residues in plankton from the Gulf of St Lawrence.
D003634:DDT / Q000032:analysis; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D010573:Pesticide Residues / Q000032:analysis*; D010933:Plankton / Q000032:analysis*; D011078:Polychlorinated Biphenyls / Q000032:analysis*; D011325:Prince Edward Island; D012623:Seawater / Q000032:analysis; D014877:Water Pollution, Chemical / Q000032:analysis*
D010573:Pesticide Residues; D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT; D011078:Polychlorinated Biphenyls