As used in this chapter:
(1) "Common carrier" means any person who collects and transports solid waste for disposal by motor vehicle for compensation, whether over regular or irregular routes, or by regular or irregular schedules;
(2) "Contract carrier" means all solid waste transporters not included under the terms "common carrier" and "private carrier," as defined in this section, and further, includes any person who under special and individual contracts or agreements transports solid waste by motor vehicle for compensation;
(3) When the phrase "garbage and refuse" is used as a qualifying phrase or otherwise, it means "solid waste";
(4) "Motor vehicle" means any truck, trailer, semitrailer, tractor, or any self-propelled or motor-driven vehicle used upon any public highway of this state for the purpose of transporting solid waste, for the collection or disposal, or both, of solid waste;
(5) "Private carrier" means a person who, in his or her own vehicle, transports solid waste purely as an incidental adjunct to some other established private business owned or operated by the person in good faith. A person who transports solid waste from residential sources in a vehicle designed or used primarily for the transport of solid waste is not a private carrier;
(6) "Public highway" means every street, road, or highway in this state;
(7) "Solid waste" means the same as defined under RCW
70A.205.015, except for the purposes of this chapter solid waste does not include recyclable materials except for source separated recyclable materials collected from residences;
(8) "Solid waste collection" does not include collecting or transporting recyclable materials from a drop-box or recycling buy-back center, or collecting or transporting recyclable materials by or on behalf of a commercial or industrial generator of recyclable materials to a recycler for use or reclamation. Transportation of these materials is regulated under chapter
81.80 RCW;
(9) "Solid waste collection company" means every person or his or her lessees, receivers, or trustees, owning, controlling, operating, or managing vehicles used in the business of transporting solid waste for collection or disposal, or both, for compensation, except septic tank pumpers, over any public highway in this state as a "common carrier" or as a "contract carrier"; and
(10) "Vehicle" means every device capable of being moved upon a public highway and in, upon, or by which any solid waste is or may be transported or drawn upon a public highway, except devices moved by human or animal power or used exclusively upon stationary rail or tracks.