The Attorney General may bring an action in an appropriate United States district court for appropriate declaratory and injunctive relief against any person who violates this chapter or any regulation under this chapter.

An action under paragraph (1) may not be brought more than 10 years after the date on which the cause of action accrues.

Any person who is determined by the Secretary, after notice and an opportunity for a hearing, to have violated this chapter or any regulation under this chapter shall be liable to the United States for a civil penalty of not more than $25,000 for each violation.

The amount of the penalty shall be assessed by the Secretary by written notice. In determining the amount of the penalty, the Secretary shall consider the nature, circumstances, and gravity of the violation and, with respect to the person found to have committed the violation, the degree of culpability, any history of prior violations, the effect on ability to continue to do business, any good faith attempt to achieve compliance, ability to pay the penalty, and such other matters as justice may require.

Any person against whom a civil penalty is assessed under paragraph (2) of this subsection may obtain review thereof in the appropriate court of the United States by filing a notice of appeal in such court within 30 days from the date of such order and by simultaneously sending a copy of such notice by certified mail to the Secretary. The findings and order of the Secretary shall be set aside by such court if they are found to be unsupported by substantial evidence, as provided in