S.C. Code Ann. § 48-56-20
As used in this chapter:
(6) "Innovative environmental approaches" means procedures, practices, technologies, or systems that are designed to achieve superior environmental performance when applied by doing one or more of the following:
(10) "Pollution" means:
(a) the presence in the environment of any substance including, but not limited to, sewage, industrial waste, other waste, air contaminant, or any combination of these in a quantity and of characteristics and duration: