(A) Junk yards shall be so maintained and operated that excessive smoke and offensive odors shall not be permitted to escape from such junk yards so as to constitute a common or public nuisance to other properties in the neighborhood.
(B) Any person owning, operating or maintaining a junk yard within the city in violation of the provisions of this article shall be deemed guilty of maintaining a common or public nuisance.
('71 Code, § 525.03) Penalty, see § 101.99