660.07 DENSE SMOKE.
   (a)    The emission of dense smoke within the Municipality from any open fire or from the smokestack of a 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 being built therein, or from the stack of any locomotive for a period in excess of one continuous minute after the locomotive is ready for service, 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 subsection (a) hereof is hereby declared to be a nuisance and may be summarily abated by the Director of Public Service Safety or by anyone whom he may duly authorize for such purpose. The abatement may be in addition to the fine hereinafter provided.
   (c)    Whoever violates this section is guilty of a minor misdemeanor. Punishment shall be as provided in Section 698.02. (Ord. 97-73. Passed 12-27-73.)