911.14 PRETREATMENT OF WASTES FOR PUBLIC SEWERS.
   Where required, in the opinion of the Service Director, to modify or eliminate wastes that are harmful to the structures, processes or operation of the sewage disposal works, the person shall provide at his expense such preliminary treatment or processing facilities as may be determined necessary to render his wastes acceptable for admission to the public sewers.
   Applicable concentrations shall be based upon average concentrations weighted in proportion to volume of flow, determined during each billing revised by the most practicable method possible.
   Review and acceptance of the Service Director shall be obtained prior to the discharge into the public sewers of any waters or wastes having:
   (a)   A five-day twenty-degree Centigrade BOD greater than 200 ppm;
   (b)   A TSS content greater than 250 ppm;
   (c)   An ether-soluble matter, oil and grease content greater than 100 ppm; or
   (d)   A chlorine requirement greater than fifty ppm, or
      (Ord. 84-40. Passed 4-26-84.)
   (e)   Any substance having a quantity greater than the characteristics described in Section 917.02(f), or any unlisted material with pretreatment limits (state or federal) at a quantity greater than those limits.
      (Ord. 90-121. Passed 10-16-90.)