Columbia subject headings:
Environmental policy--United States.
Environmental protection--United States--Case studies.
Hazardous waste sites--United States--Case studies.
Hazardous waste sites--United States.
United States. Environmental Protection Agency--Evaluation.
Harvard subject headings:
Environmental policy--United States
Environmental protection--United States--Case studies.
Hazardous waste sites--United States--Case studies.
United States. Environmental Protection Agency--Evaluation.
Princeton subject headings:
Case studies.
Environmental policy--United States.
Environmental protection--United States--Case studies.
Hazardous waste sites--United States--Case studies.
United States. Environmental Protection Agency--Evaluation.