Columbia subject headings:
Hazardous wastes--New York (State)--Niagara Falls.
Hazardous wastes--United States.
Harvard subject headings:
Hazardous wastes--New York (State)--Niagara (Town)
Hazardous wastes--New York (State)--Niagara Falls (City)
Hazardous wastes--United States
Princeton subject headings:
Hazardous wastes--New York (State)--Niagara Falls (City).
Hazardous wastes--United States.