Pesticides and heavy metals in the aquatic environment.
D000452:Aldrin / Q000032:analysis; D000818:Animals; D002706:Chlordan / Q000032:analysis; D002849:Chromatography, Gas; D003634:DDT / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D005399:Fishes / Q000032:analysis; D006533:Heptachlor / Q000032:analysis; D007306:Insecticides / Q000032:analysis*; D007484:Iowa; D008670:Metals / Q000032:analysis*; D012987:Soil / Q000032:analysis; D014867:Water / Q000032:analysis; D014876:Water Pollution; D014877:Water Pollution, Chemical
D007306:Insecticides; D008670:Metals; D012987:Soil; D014867:Water; D002706:Chlordan; D006533:Heptachlor; D003634:DDT; D004026:Dieldrin; D000452:Aldrin; D003632:Dichlorodiphenyldichloroethane