title: Levels of 3,3',4,4'-tetrachloroazobenzene in propanil herbicide.
authors.affiliation: Laboratory Services Division, Food Production & Inspection Branch, Agriculture Canada, Ottawa, Ontario.
authors.forename: J
authors.initials: J
authors.lastname: Singh
authors.forename: R
authors.initials: R
authors.lastname: Bingley
mesh_terms: D001391:Azo Compounds / Q000032:analysis*; D002170:Canada; D002722:Chlorobenzenes / Q000032:analysis*; D002849:Chromatography, Gas; D011411:Propanil / Q000032:analysis*
chemical_list: D001391:Azo Compounds; D002722:Chlorobenzenes; C013279:3,4,3',4'-tetrachloroazobenzene; D011411:Propanil