Insecticide residues in a stream and a controlled drainage system in agricultural areas of southwestern Ontario, 1970.
D000818:Animals; D002849:Chromatography, Gas; D003634:DDT / Q000032:analysis; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis; D004026:Dieldrin / Q000032:analysis*; D004726:Endosulfan / Q000032:analysis; D005399:Fishes; D007306:Insecticides / Q000032:analysis*; D009864:Ontario; D010573:Pesticide Residues / Q000032:analysis*; D011078:Polychlorinated Biphenyls / Q000032:analysis; D012987:Soil / Q000032:analysis; D014877:Water Pollution, Chemical / Q000032:analysis*
D007306:Insecticides; D010573:Pesticide Residues; D012987:Soil; D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT; D011078:Polychlorinated Biphenyls; D004026:Dieldrin; D004726:Endosulfan; D003632:Dichlorodiphenyldichloroethane