Makes organizational changes to GS 130A-290, which sets forth defined terms used in Article 9, Solid Waste Management. Adds the term mass balance attribution and defines the term to mean an auditable chain of custody accounting methodology pursuant to a third-party certification system that enables the manufacturer to attribute quantities of feedstocks to one or more recycled products. Defines recycled products to mean those produced from recyclable material by mass balance attribution for chemical recycling process, which designation does not exempt the product from otherwise applicable air, water, or hazardous waste statutory and regulatory requirements. Also defines the term third-party certification system.