This subpart shall apply to recyclable materials collection centers, recyclable materials collection systems, and any person engaged in any type of recycling activity within the Benton County Regional Solid Waste Management District such as systematic collection, sorting, decontaminating, and returning of waste materials to commerce as commodities for use or exchange by separating or diverting an item or items from the solid waste stream for the purpose of processing it or causing it to be processed into a material product, including compost, in order to provide for the final disposition of the material product in a manner other than landfilling or incineration.