OSHA publishes proposed indoor air rule.
D016902:Air Pollution, Indoor / Q000331:legislation & jurisprudence* / Q000517:prevention & control; D006801:Humans; D014028:Tobacco Smoke Pollution / Q000331:legislation & jurisprudence / Q000517:prevention & control; D014481:United States; D014489:United States Occupational Safety and Health Administration
D014028:Tobacco Smoke Pollution