title: Persistence of organochlorine insecticide residues in agricultural soils of Colorado.
mesh_terms: D000452:Aldrin / Q000032:analysis; D002706:Chlordan / Q000032:analysis; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003120:Colorado; D003634:DDT / Q000032:analysis; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D004732:Endrin / Q000032:analysis; D006533:Heptachlor / Q000032:analysis; D001556:Hexachlorocyclohexane / Q000032:analysis; D007306:Insecticides / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*; D012987:Soil / Q000032:analysis*; D014112:Toxaphene / Q000032:analysis
chemical_list: D007306:Insecticides; D010573:Pesticide Residues; D012987:Soil; D002706:Chlordan; D003633:Dichlorodiphenyl Dichloroethylene; D001556:Hexachlorocyclohexane; D006533:Heptachlor; D014112:Toxaphene; D003634:DDT; D004026:Dieldrin; D004732:Endrin; D000452:Aldrin; D003632:Dichlorodiphenyldichloroethane