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a cm Section: 5• Article V, Use of Public Sewers, Section 4(h), of Ordinance 717 of City of Batesville, Arkansas, shall be amended to read as follows: h. Any waters or wastes having a pH in excess of 8.0. Section: 6. T'. -.e maximum permissible limits for the following described metals are hereby established. Chromium Zinc Copper Nickel Lead Cadmium Total Metals 0.05 ppm as trivalent 0.01 ppm 0.02 ppm 0.08 'ppm 0.10 ppm 0.01 ppm 0.50 ppm If at least a tenfold dilution is available in a receiving sewer I�system at its absolute minimtm flow or in a receiving stream at its absolute minimum flow, these allowable a le values may be Increased tenfold but no more. Under no circumstances will more than X0.05 ppm CN be discharged to a sewer or stream. If discharge to a sewer or stream is contemplated on any of the metals described below, reference should be made to the Arkansas Polution Control Commission for guidance. Said metals are: Antimony Mercury Arsenic Molybdenum Barium Rhenium Beryllium Selenium Bismuth Silver Boron Strontium Chromium (Hexa) Tellurium Cobal" Tin Iron Uranylion Manganese Concentrations shall not exceed the following: 5 -Day Biochemical Oxygen Demand 285 ppm Suspended Solids 285 ppm Sulphate (SO4) 3.0 ppm Section: 7. Except as Ordinance No. 717 is amended by provi- sions set forth above, all provisions of Ordinance 717 remain lin full force and effect. �.Section: 8. The invalidity of any section, clause, sentence, or provision of this ordinance shall not affect the validity of any other part of this ordinance which can be given effect with- out such invalid part or parts. -3-