Columbia subject headings:
Chemicals--Law and legislation--United States.
Hazardous substances--Law and legislation--United States.
Poisons--Law and legislation--United States.
United States. Toxic Substances Control Act.
Harvard subject headings:
Chemicals--Law and legislation--United States
Hazardous substances--Law and legislation--United States.
Poisons--Law and legislation--United States
United States. Toxic Substances Control Act.
Princeton subject headings: