C.R.S. § 25-15-503

(1) Any person desiring to own or operate a hazardous waste incinerator or processor shall first obtain a certificate of designation from the governing body having jurisdiction over the area in which such proposed hazardous waste incinerator or processor site is located. (2) Hazardous waste incineration or processing by any person is prohibited except on or at a hazardous waste incinerator or processor site for which a certificate of designation has been obtained as provided in this part 5. (3) Notwithstanding the provisions of subsections (1) and (2) of this section and section 25-15-507 , any existing hazardous waste incinerator or processor shall be an approved activity for which obtaining a certificate of designation under the provisions of this part 5 shall be unnecessary.