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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2003-0049 -16- <br /> FORWARD INC. AND ALLIED WASTE INDUSTRIES <br /> FOR OPERATION OF <br /> FORWARD CLASS II LANDFILL <br /> SAN JOAQUIN COUNTY <br /> expanded as new units are opened so that all active or filled units are within the area of <br /> influence of the system. <br /> 6. Surface drainage within the waste management facility shall either be contained on-site <br /> or be discharged in accordance with applicable storm water regulations. <br /> 7. The Discharger shall maintain a Storm Water Pollution Prevention Plan and Monitoring <br /> Program and Reporting Requirements in accordance with State Water Resources Control <br /> Board Order No. 97-03-DWQ,or retain all storm water on-site. <br /> 8. Precipitation and drainage control systems shall be designed, constructed, and maintained <br /> to accommodate the anticipated volume of precipitation and peak flows from surface <br /> runoff under 1000-year, 24-hour precipitation conditions for Class II WMUs and 100- <br /> year, 24-hour precipitation conditions for Class III WMUs. <br /> 9. Annually,prior to the anticipated rainy season, any necessary erosion control measures <br /> shall be implemented, and any necessary construction, maintenance, or repairs of <br /> precipitation and drainage control facilities shall be completed to prevent erosion or <br /> flooding and to prevent surface drainage from contacting or percolating through wastes. <br /> 10. The Class II Landfill shall be designed to withstand the maximum credible earthquake <br /> without damage to the foundation, or to the structures which control leachate, surface <br /> drainage, erosion, or gas. <br /> 11. A system of landfill gas monitoring points shall be installed that are sufficient to detect <br /> gas escaping from the landfill. Gas control measures shall be implemented for a Class II <br /> landfill module upon the detection of methane and gas-phase concentrations of volatile <br /> organic compounds (VOCs) in landfill gas monitoring points. The gas control measures <br /> shall be sufficient to prevent the gas-phase migration of VOCs from the Class II modules. <br /> D. CONSTRUCTION SPECIFICATIONS <br /> 1. The Discharger shall submit for Executive Officer review and approval prior to <br /> construction, design plans and specifications for new Units and expansions of existing <br /> Units,that include the following: <br /> a. A Construction Quality Assurance Plan meeting the requirements of§20324 of Title <br /> 27; and <br /> b. A geotechnical evaluation of the soils proposed for use in construction of the low <br /> hydraulic conductivity layer; and <br />