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WASTE DISCHARGE REQUIREMENTS -12- <br /> GOLDEN GATE FRESH FOODS, INC. <br /> VICTOR FINE FOODS <br /> TREATMENT PLANT AND <br /> CLASS II SURFACE IMPOUNDMENT <br /> SAN JOAQUIN COUNTY <br /> Provision 6 below shall not exceed the "water quality protection <br /> standards" established pursuant to Monitoring and Reporting Program <br /> No. 90-047, which is attached to and made part of this Order. <br /> Protection from Storm Events <br /> 22. Waste treatment facilities shall be designed, constructed, and operated <br /> to prevent inundation or washout due to floods with a 100-year return <br /> period. The EESB and other containment structures shall be constructed <br /> and maintained to prevent, inundation, erosion, slope failure, washout, <br /> and overtopping under 1000-year, 24-hour precipitation conditions, and <br /> shall be designed to contain the 100-year wet season precipitation <br /> without using the required freeboard. Sludge drying structures shall <br /> be constructed and maintained to prevent, ponding, infiltration, <br /> inundation, erosion, slope failure, washout, and overtopping under <br /> 1 ,000-year, 24-hour precipitation conditions. <br /> 23. Precipitation and drainage control systems shall be designed and <br /> constructed to accommodate the anticipated volume of precipitation and <br /> peak flows from surface runoff under 1000-year, 24-hour precipitation <br /> conditions, as described in Finding No. 26 above. <br /> 24. Annually, prior to the anticipated rainy season but no later than <br /> 1 November, any necessary erosion control measures shall be implemented, <br /> and any necessary construction, maintenance, or repairs of precipitation <br /> and drainage control facilities shall be completed to prevent erosion <br /> or flooding of the facility and to prevent surface drainage from <br /> contacting or percolating through wastes. The Discharger shall submit <br /> an annual report to the Regional Board by 1 December describing measures <br /> taken to comply with this specification. <br /> CLOSURE SPECIFICATIONS <br /> 25. The closure of the equalization/emergency storage basin shall be under <br /> the direct supervision of a California registered civil engineer or <br /> certified engineering geologist. <br /> 26. The closed WMU shall be provided with at least two permanent monuments, <br /> installed by a licensed land surveyor, from which the location and <br /> elevation of all wastes, containment structures, and monitoring <br /> facilities can be determined throughout the post-closure maintenance <br /> period. <br />