A.    Any noise measurement made pursuant to the provisions of this chapter shall be made with a sound level meter using the ‘ A’  weighted network (scale) at slow meter response. Fast meter response shall be used for an impulsive noise. Calibration of the measurement equipment, utilizing an acoustic calibrator, shall be performed immediately prior to recording any noise date.

    B.    The exterior noise levels shall be measured at any point on the affected residential property, school, hospital, church, public library or commercial property. Where practical, the microphone shall be positioned three to five feet above the ground and away from reflective surfaces. (Prior gen. code §§ 3-107.301, 3-107.302)