Superfund is a term used for the monies available to the U.S. Environmental Protection Agency (EPA) to clean up abandoned or inactive hazardous waste sites. Such sites may involve soil and/or groundwater contamination, and are often contaminated with heavy metals, such as arsenic, cadmium, chromium, lead, mercury, and zinc; pesticides, including aldrin, dieldrin, chlordane, and DDT; and chlorinated solvents such as carbon tetrachloride, methylene chloride, and tetra and trichloroethylene. Polychlorinated biphenyls (PCBs), cyanide, benzene, toluene, vinyl chloride, and radionuclides, including strontium, plutonium, and uranium are also found at hazardous waste sites. The $1.8 billion Superfund was established in 1980 by federal legislation under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). It was created with taxes imposed by the federal government on major oil and chemical companies. At that time, common belief was that sufficient funds and technology existed to clean up all abandoned hazardous waste sites...