Exhaust system includes manifold or headers, exhaust pipe, muffler, and tail pipe. Farm equipment means the implements used in an operation or activity, or everything except personnel needed for cultivation or production of crops of any nature, or raising of any type of animal embraced within the term livestock. Gross vehicle weight rating means the value specified by the manufacturer as the recommended maximum weighted load of a single motor vehicle. When trailers and tractors are separable, the gross combination weight rating is the value specified by the manufacturer as the recommended maximum loaded weight of the combined vehicle. Industrial or industrial district means any property zoned for any industrial use as defined in the Zoning Ordinance.
Motor vehicle means every vehicle which is self-propelled.
Noise disturbance for purposes of this chapter, means any transmission of sound across a real property boundary from a source specifically limited by this chapter, which exceeds the sound level limits set forth in Table 1 entitled Maximum Permissible Sound Levels From Limited Sources by Receiving Land Use . Real property boundary means an imaginary line along the ground surface, and its vertical extension, which separates the real property owned by one person from that owned by another person, but not including intra-building real property divisions. Receiving land use means, for purposes of this chapter, the use or occupancy of the property which receives the transmission of sound. This definition does not include park custodial residences or school or college dormitories. Sound level meter means an instrument used to measure sound pressure.