Colorado Revised Statutes Title 25. Health § 25-15-209. Inventory required

The operator of every hazardous waste disposal site shall maintain an inventory of the types of hazardous wastes accepted for disposal at such site, and a copy of such inventory shall be provided to any person upon request and upon payment of a reasonable charge for the costs of the reproduction. Upon a closure of the site, a final inventory shall be prepared and filed with the department where it shall remain available for public inspection and copying at a reasonable cost.