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WASTE DISCHARGE REQUIREMENTS NO. 5-00-056 -7- <br /> OWENS-BROCKWAY <br /> OWENS-ILLINOIS GLASS FURNACE FACILITY <br /> SAN JOAQUIN COUNTY <br /> 10. Wastewater discharged to the process wastewater ponds shall not exceed a specific <br /> conductivity value of 1,800 flnhos/cm. Compliance with this Discharge Specification <br /> shall be implemented within two years of the date of this Order. In the meantime, the <br /> Discharger shall use best management practices to reduce the amount of salts entering <br /> the wastewater, and to maintain compliance with all other Prohibitions and <br /> Specifications contained within this Order. <br /> C. Solids Disposal Requirements: <br /> 1. Collected screenings, sludge, and other solids removed from liquid wastes shall be <br /> disposed of in a manner approved by the Executive Officer, and consistent with <br /> Consolidated Regulations for Treatment, Storage, Processing, or Disposal of Solid <br /> Waste, as set forth in Title 27, CCR, Division 2, Subdivision 1, Section 20005, et seq. <br /> 2. Any proposed change in sludge use or disposal practice from a previously approved <br /> practice shall be reported to the Executive Officer and U.S. Environmental Protection <br /> Agency(EPA) Regional Administrator at least 90 days in advance of the change. <br /> 3. Septic tank cleanings shall be performed only by a duly authorized service. <br /> 4. If the State Water Resources Control Board and the Regional Water Resources Control . <br /> Board are given the authority to implement regulations contained in 40 CFR 503, this <br /> Order may be reopened to incorporate appropriate time schedules and technical <br /> standards. The Discharger shall comply with the standards and time schedules contained <br /> in 40 CFR 503 whether or not they have been incorporated into this Order. <br /> D. Groundwater Limitations: <br /> 1. The discharge, in combination with other sources, shall not cause underlying <br /> groundwater to contain waste constituents in concentrations statistically greater than <br /> background water quality, except for coliform. For coliform, increases shall not cause <br /> the most probable number of total coliform organisms to exceed 2.2/100 ml over any <br /> 7-day period. <br /> E. Provisions: <br /> 1. By 20 March 2000, the Discharger shall submit a workplan for characterizing the quality <br /> of the furnace tap cooling water discharge. By 30 June 2000, the Discharger shall <br /> submit the results of the furnace tap cooling water characterization. <br /> 2. By 30 June 2000, the Discharger shall submit a workplan to reduce the flow of <br /> petroleum to the wastewater ponds. The plan will identify the sources of the oil, describe <br />