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. e ORDINANCE NO. /;;,;;,1 Page 7 . (b) The Approving Authority 'may establish, in compliance with applicable state and federal regulations, regula- tions for discharge of radioactive wastes into public sewers. SECTION 9. IMPAIRMENT OF FACILITIES. (a) No person may discharge into public sewers any substance capable of causing (1) Obstruction to the flow in sewers; (2) Interference with the operation of treatment processes of facilities; or (3) Excessive loading of treatment facilities. (b) Discharges prohibited by Section 9(a) include, but are not limited to, materia1s'which exert or cause concentra- tions of (1) Inert suspended solids greater than 250 mg/l including but not limited to e (A) Fuller's earth (B) lime slurries; and (C) lime residues; (2) Dissolved solids greater than 500 mg/1 .inc1uding but not limited to (A) sodium chloride; and (B) sodium sulfate; (3) Excessive discoloration including but not limited to (A) dye wastes; and (B) vegetable tanning solutions: or (4) BOD, COD, or chlorine demand in excess of normal plant capacity. e (c) No person may discharge into public sewers any substance that may (1) Deposit grease or oil in the sewer lines in such a manner as to clog the sewers; (2) Overload skimming and grease handling equipment; (3) Pass to the receiving waters without being effectively treated by normal wastewater treatment processes due to the nonamenabi1ity of the substance to bacterial action; or (4) Deleteriously affect the treatment process due to excessive quantities. (d) No person may discharge any substance into public sewers which (1) Is not amenable to treatment or reduction by the processes and facilities employed: or e (2) Is amenable to treatment only to such a degree that the treatment plant effluent cannot meet the require- ments of other agencies having jurisdiction over discharge to the receiving waters.