(a)   The emission of dense smoke within the Municipality from any open fire or from the smokestack or chimney of any building or premises, except for the period or periods aggregating six minutes or less in any one hour at a time when the firebox is being cleaned out or a new fire is being built therein, of a density equal to or of greater density than No. 2 smoke as defined by the Ringelmann Chart, is prohibited.
   (b)   The emission of dense smoke in violation of division (a) of this section is hereby declared to be a nuisance and may be summarily abated by the Mayor or by anyone whom he may duly authorize for such purpose. Such abatement may be in addition to the fine provided in division (c) of this section.
(Ord. 1956-75. Passed 10-22-56.)
   (c)   Whoever violates any of the provisions of this section is guilty of a misdemeanor of the third degree.