COMPLIANCE INFO_AMENDED JTD 1/5/2026

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Foothill Sanitary Landfill Page 26 of 52 San Joaquin County DPW - Solid Waste Joint Technical Document Revised 01/05/2026 The grading plans for Modules 1 and 2 include bringing the refuse to near the permitted elevation. Grading plans for other Modules will be prepared as needed to address drainage issues of these Modules and to guide the landfill operator in the placement of refuse. These intermediate plans will coordinate with the final grading plan (Appendix B). 5.7.2. Excavation and Stockpiling The design of each module’s construction will include an excavation plan and stockpile plan as needed. Excavation plans include the earthwork slopes and base grades, liner limits, LCRS systems, perimeter berms, haul ramps, drainage ditches, storm water basins, and locations of ancillary facilities. The stockpile plans will show the location and grading contours for temporary placement of the surplus soils excavated from the modules, if any. It is the County’s intent to excavate the next module’s base while obtaining cover soil for the active module (Figure 5). This will minimize the soil stockpiled. However, any soil removed in the preparation of a module may be stockpiled where convenient for future use. This will allow close access for retrieval of daily and intermediate cover soil from the stockpiles. Nearing build-out, the County may stockpile soil on the 80-acre parcel east of the permitted landfill footprint. The County may also offer soil for sale if it is determined that the site has excess soil and that such sale is beneficial to the County. 6. LANDFILL OPERATIONS 6.1. Operating Criteria 6.1.1. Hours of Operation For the purposes of this document, the term “Hours of Operation” is as defined in Title 27 Section 20164: “Operation” of the landfill occurs “from the first receipt of waste until the final receipt of waste consistent with the normal pattern of operation in the solid waste facility permit.”