As used in this chapter:
(a) "Air conditioning" or "air handling equipment" means any unit or combination of units, gas or electrically-operated, used for the cooling, heating or dehumidifying of space for human occupancy in residential or commercial buildings, but shall not include ordinary window air conditioners, window or wall fans.
(b) "Sound" means a pulsation of air pressure capable of being heard.
(c) "Decibel" means the unit used to express sound pressure level and sound power level.
(d) "Sound level" means the reading in decibels taken with a sound level meter. Decibel is abbreviated "db", and the abbreviation "dba" refers to decibels measured using the A Scale on a meter.
(e) "SRN" means sound reading number.
(Ord. 72-77. Passed 6-20-72.)