; or (2) (A) the individual or entity exercised due care; and (B) the destruction or loss of, or injury to, the system resource was caused solely by an act or omission of a third party, other than an employee or agent of the individual or entity. (d) Scope The liability established by this section shall be in addition to any other liability arising under Federal or State law. 204. Actions (a) Civil actions for response costs and damages The Attorney General, on request of the Secretary, may commence a civil action in the United States district court of appropriate jurisdiction against any individual, entity, or instrumentality that may be liable under section 203 for response costs or damages. (b) Administrative actions for response costs and damages (1) Action by Secretary (A) In general Subject to paragraph (2), the Secretary, after making a finding described in subparagraph (B), may consider, compromise, and settle a claim for response costs and damages if the claim has not been referred to the Attorney General under subsection (a). (B) Description of findings A finding referred to in subparagraph (A) is a finding that— (i) destruction or loss of, or injury to, a system resource has occurred; or (ii) such destruction, loss, or injury would occur absent an action by the Secretary to prevent, minimize, or abate the destruction, loss, or injury. (2) Requirement In any case in which the total amount to be recovered in a civil action under subsection (a) may exceed $500,000 (excluding interest), a claim may be compromised and settled under paragraph (1) only with the prior written approval of the Attorney General. (c) Response actions, assessments of damages, and injunctive relief (1) In general The Secretary may carry out all necessary actions (including making a request to the Attorney General to seek injunctive relief)— (A) to prevent, minimize, or abate destruction or loss of, or injury to, a system resource