Any person who is found by the Secretary, after notice and an opportunity for a hearing in accordance with section
, to have committed an act prohibited by section
of this title shall be liable to the United States for a civil penalty. The amount of the civil penalty shall not exceed $100,000 for each violation. Each day of a continuing violation shall constitute a separate offense. The amount of such civil penalty shall be assessed by the Secretary, or his designee, by written notice. In determining the amount of such penalty, the Secretary shall take into account the nature, circumstances, extent, and gravity of the prohibited acts committed and, with respect to the violator, the degree of culpability, any history of prior offenses, and such other matters as justice may require. In assessing such penalty the Secretary may also consider any information provided by the violator relating to the ability of the violator to pay, Provided, That the information is served on the Secretary at least 30 days prior to an administrative hearing.