Amending Various Sections of Chapter 17 Sewers & Water

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toilet facilities therein, and to connect such facilities directly with the proper public sewer in accordance with the provisions of this ordinance, within ninety ( 90) days after date of official notice to do so, provided that said public sewer is within three hundred ( 300) feet of the property line. Section 17-10 . Pretreatment of Industrial Wastes. Pretreatment of industrial wastes from major contributing industries prior to discharge to the treatment works is required and is subject to the Rules and Regulations adopted by the EPA ( 40 C.F.R. Part 403) , and "Guidelines Establishing Test Procedures for Analysis of Pollutants" ( 40 C.F.R. Part 136) , in addition to any more stringent requirements established by the City and subsequent State or Federal Guidelines and Rules and Regulations. (a) Limitations on wastewater strength: (1) National Categorical Pretreatment Standards as promulgated by the (EPA) shall be met by all affected nonresidential waste dischargers. An application for modification of the National Categorical Pretreatment Standards may be considered by the Board of Public Works when the wastewater treatment plant achieves consistent removal of the pollutants described herein. (2) State and local requirements and limitations on discharges shall be met by all dischargers when such requirements and limitations are more stringent than federal requirements and limitations. ( 3 ) No discharger shall use potable water to dilute a discharge as a substitute for adequate treatment of prohibited substances to achieve compliance with the standards set forth in this division. (4) Under no circumstances shall a discharger release water or waste containing concentrations of the following substances in amounts exceeding the stated values: Parameter 1-Day-Maximum 4-Day Average Arsenic 1. 0 0.2 Cadmium 2.7 1. 2 Copper 5. 0 3 . 5 Cyanide 1. 5 0. 5 Lead 2. 0 0. 8 Mercury 0. 1 0.005 Nickel 5. 0 2.5 Total Chromium 7. 5 5.0 Zinc 10. 0 6.0 all units mg/l. (b) Accidental discharges: (1) A discharger shall provide a plan of protection from accidental discharge of prohibited or regulated substances listed herein. Each protection plan is subject to the approval of the Board of Public Works. ( 2) Dischargers shall notify the Director immediately upon the occurrence of a "slug" or accidental discharge of substances prohibited by this division. The notification shall include 1nr_ation of dischar_ae_ date and time of occurrence. tube of waste.