In this subtitle, the following words have the meanings indicated. “Air pollution” has the meaning stated in § 8-101(b) of this title “Contractor” means a person, firm, or legal entity with which the City has entered into an agreement. “Contractor” means a person, firm, or legal entity with which the City has entered into an agreement.“Debris” means any solid material or portion of a solid material intended for disposal. “Debris” includes:manufactured objects; plant materials; animal materials; and natural geologic materials. “Enforcement officer” has the meaning stated in City Code Article 1 § 41-1(c) {“Definitions: Enforcement officer”}. “Gas-powered debris removal equipment” means any device powered by an internal combustion or rotary engine using gasoline, alcohol, or any other fuel that is used to blow, vacuum, displace, or gather debris. “Gas-powered debris removal equipment” includes handheld leaf blowers with a vacuum function. “Gas-powered debris removal equipment” does not include:lawn mowers; lawn trimmers; snow blowers; pressure washers; or self-propelled motorized leaf vacuums, including walk-behind, riding, and hitch mount leaf vacuums; and leaf vacuum trucks. “Landscape maintenance company” means a person who receives compensation, including money or material goods, in exchange for services that include: lawns; gardens; trees; plants; and hardscape features; or otherwise enhancing the aesthetics and functionality of an outdoor space. “Person” has the meaning stated in § 1-107(a) {“Person: In general”} of the City Code’s General Provisions Article. Notwithstanding § 1-107(b) {“Person: Exclusion”} of the General Provisions Article, in this subtitle “person” also includes a governmental entity or an instrumentality or unit of a governmental entity. “Subcontractor” means a business enterprise that has a direct contract with a contractor to perform part of the work on a contract.