Beehler bought a waste disposal site from Toxic Inc., which went bankrupt in 1975. Toxic had been dumping toxic waste at the site since 1946. Beehler closed the old site and built another that complies with RCRA. In 2020, it was discovered that the old site was leaking, which could pollute groundwater. Who might be a responsible party under CERCLA for the clean up costs at the old site?

A) Beehler

B) any company that dumped at the site

C) any company that transported hazardous wastes to the site when it was operated by Toxic

D) owners of Toxic

E) all of the other choices are responsible parties