title: No untrained workers may use our service.
authors.forename: F E
authors.initials: FE
authors.lastname: Froelich
mesh_terms: D005103:Expert Systems; D015386:Hazardous Substances / Q000600:supply & distribution*; D007318:Inservice Training; D011361:Professional Competence; D014186:Transportation / Q000331:legislation & jurisprudence / Q000592:standards*; D014481:United States
chemical_list: D015386:Hazardous Substances