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Permit Unit Requirements for N-4070-1-10 (continued) Page 5 of 9 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 N-4070-1-10 : Jan 9 2023 2:37PM -- YOSHIMUJ 43. Permittee shall implement a program to monitor for cover integrity and implement cover repairs, as necessary, on a monthly basis. [40 CFR 60.755(c)(5) and 40 CFR 63 Subpart AAAA] 44. The requirements of 40 CFR 60 Subpart WWW shall apply at all times, except during periods of start-up, shutdown, or malfunction. The duration of start-up, shutdown, or malfunction shall not exceed 5 days for collection systems and shall not exceed 1 hour for treatment or control devices. [40 CFR 60.755(e) and 40 CFR 63 Subpart AAAA] 45. "Startup" is defined as the activity of starting or attempting to start operation of the collection and control system, including all measurements, manipulations, adjustments, attempts to restore operation, as well as testing to verify proper operation of the collection and control system. Unsuccessful attempts to restart the collection and control system shall not be considered an individual shutdown. The owner/operator shall minimize emissions during startup. [District Rule 2201] Federally Enforceable Through Title V Permit 46. "Shutdown" is defined as the cessation of operation of the collection and control system. [District Rule 2201] Federally Enforceable Through Title V Permit 47. "Malfunction" means any sudden, infrequent, and not reasonably preventable failure of air pollution control equipment, process equipment, or a process to operate in a normal or usual manner. Failures that are caused in part by poor maintenance or careless operation are not failures. [40 CFR 60.2] Federally Enforceable Through Title V Permit 48. "Maintenance" is defined as work performed on the collection and/or control system in order to ensure continued compliance with all applicable Rules and Regulations, and also to prevent failures and malfunctions. The owner/operator shall minimize emissions during maintenance periods. [District Rule 2201] Federally Enforceable Through Title V Permit 49. Permittee shall install a sampling port and a thermometer, other temperature measuring device, or an access port for temperature measurements at each wellhead. [40 CFR 60.756(a) and 40 CFR 63 Subpart AAAA] 50. For the enclosed flare, the permittee shall calibrate, maintain, and operate according to the manufacturer's specifications a temperature monitoring device to measure temperature in the enclosed flare with a minimum accuracy of plus or minus 1 percent of the temperature being measured, expressed in degrees Celsius, or plus or minus 0.5 degrees Celsius, whichever is greater. [40 CFR 60.756(b)(1) and 40 CFR 63 Subpart AAAA] 51. For the enclosed flare, the permittee shall calibrate, maintain, and operate according to the manufacturer's specifications a device that records flow to or bypass of the flare. Permittee shall either: 1) Install, calibrate, and maintain a gas flow rate measuring device that shall record the flow to the flare at least once every 15 minutes; or 2) shall secure the bypass line valve in the closed position with a car-seal or a lock and key type configuration. A visual inspection of the seal or closure mechanism shall be performed at least once every month to ensure that the valve is maintained in a closed position and that the gas flow is not diverted through the bypass line. [40 CFR 60.756(b)(2) and 40 CFR 63 Subpart AAAA] 52. For a closed landfill that has no monitored exceedances of the standard for surface concentrations of methane in three consecutive quarterly monitoring periods may skip to annual monitoring. Any methane reading of 500 ppm or more above background detected during the annual monitoring shall return the frequency of monitoring of surface concentrations to quarterly monitoring. [40 CFR 60.756(e) and 40 CFR 63 Subpart AAAA] 53. The permittee shall submit a closure report to the District within 30 days of waste acceptance cessation. The District may request additional information as may be necessary to verify that permanent closure has taken place in accordance with the requirements of 40 CFR 258.60. If a closure report has been submitted to the District, no additional wasted may be placed into the landfill without filing a notification of modification as described on 40 CFR 60.7(a)(4). [40 CFR 60.757(d) and 40 CFR 63 Subpart AAAA]