Colo. Rev. Stat. § 25-15-315
There is hereby established in the state treasury a fund to be known as the solid and hazardous waste commission fund, which shall consist of moneys collected pursuant to section 25-15-314. All moneys in such fund shall be subject to annual appropriation by the general assembly to the department for the purpose of covering the reasonable costs actually associated with the operation of the solid and hazardous waste commission. All moneys in the solid and hazardous waste commission fund that are not appropriated shall remain in such fund and shall not be transferred or revert to the general fund at the end of any fiscal year. In accordance with section 24-36-114, C.R.S., all interest derived from the deposit and investment of moneys in the solid and hazardous waste commission fund shall be credited to the general fund.
C.R.S. § 25-15-315