In the M-1 zone:
A. Outdoor storage and activities associated with permitted uses shall be enclosed by building walls, a solid masonry wall, solid fencing, or uniformly compact evergreen hedge, all continuously maintained and not less than six feet (6') in height, located no closer to any street than the front setback line. Side and rear property lines shall be similarly treated when the subject areas are viewable from any street.
B. Items stored within one hundred feet (100') of a dedicated street or residential zone shall not be stacked higher than six feet (6').
C. The storage of combustible materials shall be not less than twenty feet (20') from any interior lot line, and a roadway shall be provided, graded, surfaced and maintained from the street to the rear of the property to permit free access of firetrucks at any time.
D. No materials or wastes shall be deposited upon a subject lot in such form or manner that they may be transferred off the lot by natural causes or forces. All waste materials shall be stored in an enclosed area and shall be accessible to service vehicles.
E. Wastes which might cause fumes or dust, or which constitute a fire hazard, or which may be edible by or otherwise be attractive to rodents or insects shall be stored only in closed containers in required enclosures. (Ord. 1000 § 28.20(K), 1955)