S.C. Code Ann. § 44-56-320: Attempts to mitigate effects of discharge; immunity.

Any person who in good faith gratuitously provides assistance or advice in mitigating or attempting to mitigate the effects of an actual or threatened discharge of hazardous materials, or in preventing, cleaning up, or disposing of or in attempting to prevent, clean up, or dispose of any such discharge, is not subject to civil damages unless an injury or damages result from the gross negligence, recklessness, or intentional misconduct of such person.