COMPLIANCE INFO_AMENDED JTD 1/5/2026

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Permit Unit Requirements for N-4070-1-11 (continued) Page 10 of 14 PERMIT UNIT REQUIREMENTS CONTINUE ON NEXT PAGE These terms and conditions are part of the Facility-wide Permit to Operate. Facility Name: FOOTHILL SANITARY LANDFILL Location: 6484 N WAVERLY RD,LINDEN, CA 95236 N-4070-1-11 : 9/24/2025 3:25:45 PM -- ROBINSOM 79. For any root cause analysis as required by the condition that references 40 CFR 63.1960(a)(3) and condition that references 40 CFR 62.16720(a)(4) and 40 CFR 63.1960(a)(4)(i)(C) in this permit, the owner or operator shall keep for at least 5 years up-to-date, readily accessible records of the root cause analysis conducted, a description of the recommended corrective action(s) taken, the date(s) the corrective action(s) were completed, a schedule for implementation, including proposed commencement and completion dates, a copy of any comments or final approval on the corrective action analysis or schedule from the APCO. [40 CFR 62.16726(e)(5) and 40 CFR 63.1983(e)(5)] Federally Enforceable Through Title V Permit 80. Permittee shall keep readily accessible on-site records of the annual recalculation of site-specific density, design capacity, and the supporting documentation. [40 CFR 63.1983(f)] Federally Enforceable Through Title V Permit 81. Permittee shall keep for at least 5 years up-to-date, readily accessible records of all collection and control system monitoring data for gauge pressure in the gas collection header of each individual well, nitrogen or oxygen concentration in the landfill gas, and temperature of the landfill gas every 10 vertical feet of the well for each wellhead with a measurement of landfill gas temperature greater than or equal to 73.9 degrees Celsius. [40 CFR 63.1983(g)] Federally Enforceable Through Title V Permit 82. Permittee shall keep records of the landfill gas temperature monitored at each wellhead on a monthly basis and records of enhanced monitoring data at each well with a measurement of landfill gas temperature greater than 62.8 degrees Celsius. [40 CFR 63.1983(h)] Federally Enforceable Through Title V Permit 83. The operator shall site active collection wells, horizontal collectors, surface collectors, or other extraction devices at a sufficient density throughout all gas producing areas using the procedures specified in the conditions that reference 40 CFR 63.1962(a)(1), (2), and (3), respectively, in this permit, unless alternative procedures have been approved by the APCO as provided in 40 CFR 63.1981(d)(2) and (3). [40 CFR 63.1962(a)] Federally Enforceable Through Title V Permit 84. The placement of gas collection devices determined in the condition that references 40 CFR 63.1962(a)(1) in this permit shall control all gas producing areas, except as provided in the condition that references 40 CFR 63.1962(a)(3)(i) and the condition that references 40 CFR 63.1962(a)(3)(ii) in this permit. [40 CFR 63.1962(a)(3)] Federally Enforceable Through Title V Permit 85. The sufficient density of gas collection devices determined in the condition that references 40 CFR 63.1962(a)(1) in this permit shall address landfill gas migration issues and augmentation of the collection system through the use of active or passive systems at the landfill perimeter or exterior. [40 CFR 63.1962(a)(2)] Federally Enforceable Through Title V Permit 86. Any segregated area of asbestos or nondegradable material may be excluded from collection if documented as specified in the condition that references 40 CFR 63.1983(d) in this permit. The documentation shall provide the nature, date of deposition, location and amount of asbestos or nondegradable material deposited in the area, and shall be provided to the APCO upon request. [40 CFR 63.1962(a)(3)(i)] Federally Enforceable Through Title V Permit 87. Any nonproductive area of the landfill may be excluded from control provided that the total of all excluded areas can be shown to contribute less than 1 percent of the total amount of NMOC emissions from the landfill. The amount, location, and age of the material shall be documented and provided to the APCO upon request. A separate NMOC emissions estimate shall be made for each section proposed for exclusion, and the sum of all such sections shall be compared to the NMOC emissions estimate for the entire landfill. Emissions from each section shall be computed using the equation in 40 CFR 63.1962(a)(3)(ii)(A). [40 CFR 63.1962(a)(3)(ii)] Federally Enforceable Through Title V Permit