1. Harkins, S.M., Truesdale, R.S., Hill, R., Hoffman, P., and Winters, S., U.S. production of manufactured gases: assessment of past disposal practices, EPA-600/2-88-012, Research Triangle Institute report to U.S. Environmental Protection Agency, Office of Research and Development, Cincinnati, OH, 1988.
2. Leachate characteristics and composition of cyanide-bearing wastes from manufactured gas plants