Columbia subject headings:
Hazardous wastes--United States.
Metals--Environmental aspects--United States.
Organic compounds--Environmental aspects--United States.
Refuse and refuse disposal--United States.
Sanitary landfills--Environmental aspects--United States.
Harvard subject headings:
Princeton subject headings:
Hazardous wastes--United States.
Metals--Environmental aspects--United States.
Organic compounds--Environmental aspects--United States.
Refuse and refuse disposal--United States.
Sanitary landfills--Environmental aspects--United States.