title: Picloram residues in sprayed Macdonald-Cartier Freeway right-of-way.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D009864:Ontario; D010573:Pesticide Residues / Q000032:analysis*; D010846:Picloram / Q000032:analysis*; D010848:Picolinic Acids / Q000032:analysis*; D006109:Poaceae / Q000032:analysis*; D012987:Soil / Q000032:analysis*; D013997:Time Factors
chemical_list: D010573:Pesticide Residues; D010848:Picolinic Acids; D012987:Soil; D010846:Picloram