A. Class A EDNA. Lands where human beings reside and sleep, including all properties in the city which are zoned in single-family residential or multiple-family residential classifications.

B. Class B EDNA. Lands involving uses requiring protection against noise interference with speech, including all properties in the city which are zoned in neighborhood business, community business, general commercial and freeway service classifications.

C. Class C EDNA. Lands involving economic activities of such a nature that higher noise levels than experienced in other areas is normally to be anticipated. Persons working in these areas are normally covered by noise control regulations of the Department of Labor and Industries. Such areas shall include all properties in the city which are zoned in light industrial and general industrial classifications. (Ord. 2125 § 2 (Exh. B), 2013; Ord. 1689 § 1, 1997).