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North County RC&SL Page 38 of 64 Public Works/Solid Waste <br />Joint Technical Document County of San Joaquin – Revised July 14, 2025 <br />6.4.4 Final Cover <br />A final cover project covering a part of the landfill, is contemplated in the next five years. This <br />project will place final cover on the western portion of Areas 1 through 4, including the portions of <br />the top deck of those Areas that have reached final elevation. The soil balance calculations for <br />this site assume that such partial final cover projects will be executed before Area 7 is fully <br />excavated, thereby minimizing the quantity of soil that must be stockpiled. It is further <br />contemplated that the County will seek to use an evapo-transpiration (ET) cover for final closure <br />based on the success of the ET cover project at the Foothill Landfill which demonstrated that the <br />ET cover was twice as effective as an intact prescriptive cover, and on the quality of the Soil at <br />the North County Landfill which is conducive to vegetative growth with minimal amendments. <br /> <br />6.5 WASTE HANDLING <br />6.5.1 Public Health Operating Considerations <br />The NCRC&SL is designed and operated to mitigate flies, rodents, and other vectors, and the <br />creation of nuisances. This is achieved through air and water quality control, noise control, odor <br />control, and sanitary landfill operating practices (see Section 6.8). <br /> <br />6.5.2 Composting <br />Composting is not a practice at the NCRC&SL at this time; however, the County may seek <br />approval for a composting facility at the NCRC&SL in the near future. <br /> <br />The County recognizes that discussion in this JTD of possible future applications for permit <br />revision do not constitute an application for permit revision. A JTD amendment and application <br />for permit revision will be submitted 150 days prior to any such proposed change. These <br />documents will describe procedures to ensure proposed operations coordinate with proper <br />construction and maintenance of the site, and to comply with health, safety, or environmental <br />requirements of Title 27 CCR. <br />