Stricter respiratory protection is required by new asbestos rules.
D001194:Asbestos / Q000592:standards*; D004781:Environmental Exposure; D006801:Humans; D008452:Maximum Allowable Concentration; D011482:Protective Devices / Q000592:standards*; D012134:Respiratory Protective Devices / Q000592:standards*; D014481:United States; D014489:United States Occupational Safety and Health Administration
D001194:Asbestos