title: CHANGES in regulations pertaining to tetraethyl lead gasoline.
mesh_terms: D005742:Gasoline; D006801:Humans; D007221:Industry; D007854:Lead / Q000633:toxicity*; D007855:Lead Poisoning; D009784:Occupational Diseases; D009790:Occupations; D013756:Tetraethyl Lead
chemical_list: D005742:Gasoline; D013756:Tetraethyl Lead; D007854:Lead