CERCLA, and the resulting engineering cleanup of contaminated sites, has had a truly enormous impact upon the civil engineering profession and 20th century society. Its tremendous impact in both developed and underdeveloped nations has yet to be fully quantified. The civil engineering achievements under CERCLA, as measured by the first decade alone, have been staggering both in terms of economic power and behavioral changes in society. CERCLA, by and of itself, in that first decade, generated a new—and yet powerful by its sheer numbers—profession within civil engineering, i.e., environmental engineering. The civil/environmental engineering profession was literally born instantaneously with the sudden public