title: Silo sealents as a source of polychlorobiphenyl (PCB) contamination of animal feed.
mesh_terms: D000821:Animal Feed / Q000032:analysis*; D001713:Biphenyl Compounds / Q000032:analysis*; D002849:Chromatography, Gas; D003612:Dairying; D005506:Food Contamination / Q000032:analysis*; D007629:Kentucky; D010150:Paint / Q000009:adverse effects* / Q000032:analysis; D011078:Polychlorinated Biphenyls / Q000032:analysis; D012820:Silage; D012995:Solubility; D014867:Water; D003313:Zea mays / Q000032:analysis
chemical_list: D001713:Biphenyl Compounds; D014867:Water; D011078:Polychlorinated Biphenyls