http://www.bvsde.paho.org/bvsarp/i/fulltext/toxico/toxico.pdf

Concerns about uncontrolled hazardous waste sites and other sources of unplanned releases of hazardous substances into the environment are wide ranging. Specific concerns regarding hazardous waste sites include harm to human health, expensive clean-up costs, depreciated property values, and ecological damage. This paper focuses on the level of hazard and toxicologic import of those Superfund sites with completed exposure pathways.Published in Reviews on Environmental Health, Vol. 12, No. 4, pp. 235-251, 1997.