S.C. Code Ann. § 48-1-270: Availability of records, reports, and information to the public; confidentiality of trade secrets.

Any records, reports or information obtained under any provision of this chapter shall be available to the public. Upon a showing satisfactory to the Department by any person that records, reports or information, or particular parts thereof, other than effluent or emission data, if made public would divulge methods or processes entitled to protection as trade secrets of such person, the Department shall consider such record, report or information or particular portion thereof confidential in the administration of this chapter.