This chapter, referred to in subsecs. (d) to (f), was in the original “this Act”, meaning Pub. L. 96–510, Dec. 11, 1980, 94 Stat. 2767, known as the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, which is classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 9601 of this title and Tables.

1986—Pub. L. 99–499 amended section generally. Prior to amendment, section read as follows: “Any person who, after notice and an opportunity for a hearing, is found to have failed to comply with the requirements of section 9608 of this title, the regulations issued thereunder, or with any denial or detention order shall be liable to the United States for a civil penalty, not to exceed $10,000 for each day of violation.”

Any provision of titles I to IV of Pub. L. 99–499, imposing any tax, premium, or fee; establishing any trust fund; or authorizing expenditures from any trust fund, to have no force or effect, see section 531 of Pub. L. 99–499, set out as a note under section 1 of Title 26, Internal Revenue Code.