title: Testimony of the American Industrial Hygiene Association. OSHA proposed rule on air contaminants.
mesh_terms: D000397:Air Pollution / Q000331:legislation & jurisprudence*; D004781:Environmental Exposure; D005104:Expert Testimony; D008452:Maximum Allowable Concentration; D009787:Occupational Medicine; D012958:Societies, Scientific; D014481:United States; D014489:United States Occupational Safety and Health Administration