1530.25   EMISSIONS OF ODORS INTO THE ATMOSPHERE.
   (a)   No owner, occupant or person in charge, by himself, his agent or employee, shall cause, suffer or allow the emission of odorous matter into the atmosphere such as to cause an objectionable odor, as determined by the Building Commissioner or his duly authorized representatives:
      (1)   On or adjacent to residential, recreational, institutional, retail sales, hotel or educational premises;
      (2)   On or adjacent to industrial premises when air containing such odorous matter is diluted with fifteen or more volumes of odor-free air; or
      (3)   On or adjacent to premises other than those in subsections (a)(1) and (2) hereof when air containing such odorous matter is diluted with three or more volumes of odor-free air.
   (b)   An odor shall also be deemed objectionable when twenty-five percent or more of a sample of the people exposed to it believe it to be objectionable in usual places of occupancy, the sample size to be at least twenty people or seventy-five percent of those exposed if fewer than twenty people are exposed.
   (c)   After an odor is deemed objectionable as provided in subsection (b) hereof or by the Air Pollution Control Center, the Building Commissioner or his duly authorized representatives under subsection (a) hereof, such odor may be summarily abated by the Commissioner or his duly authorized representatives. Such abatement shall be in addition to the penalty provided in Section 1530.99. (Ord. 221-70. Passed 7-19-71.)