(a) For the purposes of enforcing the provisions of this Zoning Code, noise shall be measured in dab using a sound level meter, with the measurements taken at the noisiest point within the receiving property.
(b) A dab is the sound pressure in decibels measured using the "A" weighting network on the sound level meter. The sound pressure level, in decibels, of a sound is twenty (20) times the logarithm to the base of 10 of the ratio of the pressure of the sound to a reference pressure of twenty (20) micropascals.
(c) A sound level meter is a device which measures sound pressure levels and conforms to Type 1 or Type 2 as specified in the American National Standards Institute Specification S1.4-1971.
(d) The receiving property is real property within which the maximum permissible noise levels specified herein shall not be exceeded from sources outside such property.