No person who is responsible therefor shall permit the emission from any chimney or smokestack of dense smoke or smoke containing soot or other substance in sufficient quantity to noticeably permit the deposit of soot or other substance within the city. The emission of smoke or other substance as herein described shall constitute a public nuisance.
(Prior Code, § 94.03) (Ord. D-9, passed 1-2-1940, effective 1-15-1940) Penalty, see § 94.999