It shall be unlawful for any person to discharge into the atmosphere or cause to be so discharged from any combustion or process equipment or device, vehicle, incinerator or open fire whatsoever any air contaminant for a period aggregating more than 5 minutes in any 1 hour which meets the following specifications.
(A) Is dark or darker in shade as that designated as No. 2 on the Ringlemann Chart, as published by the United States Bureau of Mines.
(B) Is of an opacity as to obscure an observer’s view to a degree equal to or greater than does smoke described in division (A) above.
(Prior Code, § 90.017) (Ord. 3522, passed 1-23-1967) Penalty, see § 10.99