Columbia subject headings:
Harvard subject headings:
Air--Pollution--Law and legislation--United States
Drug abuse--United States
Narcotic laws--United States
Public health laws--United States
Public health laws.
United States. Clean Air Act
United States. Federal Food, Drug, and Cosmetic Act.
United States. Public Law 95-83.
United States. Solid Waste Disposal Act.
Princeton subject headings:
Public health laws--United States.