S.C. Code Ann. § 44-56-750
(A)
(1) Before entering into a voluntary cleanup contract, the nonresponsible party must:
(2) Before entering into a voluntary cleanup contract, the nonresponsible party must certify to the department that:
(B)
(1) A voluntary cleanup contract entered into by or on behalf of a nonresponsible party shall contain at a minimum:
(2) A voluntary cleanup contract shall stipulate that it:
(5) After considering existing and future use or uses of the site, the department may approve submitted work plans or reports that do not require removal or remedy of all discharges, releases, and threatened releases at a site as long as the response action:
(C)
(1) Upon completion of the contract, the nonresponsible party must submit a request to the department for a certificate of completion. If the department determines that a nonresponsible party has successfully and completely complied with the contract and has completed the voluntary cleanup approved under this article, the department shall certify that the action has been completed by issuing the party a certificate of completion. The certificate of completion shall:
(E)
(F)