COMPLIANCE INFO_JTD APPENDIX A -L 2024

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Permit Unit Requirements for N-1119-1-12 (continued) Page 7 of 9 PERMIT UNIT REQUIREMENTS CONTINUE ON NEXT PAGE These terms and conditions are part of the Facility-wide Permit to Operate Facility Name: NORTH COUNTY SANITARY LANDFILL Location: 17720 E HARNEY LN, LODI, CA 95240 58.Any reading exceeding the limit of 25 ppmv as determined by integrated surface monitoring must be recorded as an exceedance and the following actions must be taken: (A) The owner or operator must record the average surface concentration measured as methane for each grid along with re-test dates and results. The location of the grids and the gas collection system must be clearly marked and identified on a topographic map of the MSW landfill drawn to scale. Within 10 calendar days of a measured exceedance, (B) Corrective action must be taken by the owner or operator such as, but not limited to, cover maintenance or repair, or well vacuum adjustments and the grid must be re-monitored. If the re-monitoring of the grid shows a second exceedance, additional corrective action must be taken and the location must be re-monitored again no later than 10 calendar days after the second exceedance. If the re-monitoring shows a third exceedance, the owner or operator must install a new or replacement well as determined to achieve compliance no later than 120 calendar days after detecting the third exceedance, or it is a violation of this subarticle. [17 CCR 95469(a)(2)(a)(B)(1)(2)] Federally Enforceable Through Title V Permit 59.Any closed or inactive MSW landfill, or any closed or inactive areas on an active MSW landfill that has no monitored exceedances of the limit of 25 ppmv as determined by integrated surface monitoring after 4 consecutive quarterly monitoring periods may monitor annually. Any exceedances of the limit of 25 ppmv as determined by integrated surface monitoring detected during the annual monitoring that can not be remediated within 10 calendar days will result in a return to quarterly monitoring of the landfill. Any exceedances of the limit of 25 ppmv as determined by integrated surface monitoring detected during any compliance inspections will result in a return to quarterly monitoring of the landfill. An owner or operator of a closed or inactive MSW landfill, or any closed or inactive areas on an active MSW landfill that can demonstrate that in the three years before the effective date of this subarticle that there were no measured exceedances of the surface concentration limit of 500 ppmv as methane, other than non-repeatable, momentary readings and as determined by instantaneous surface monitoring or the limit of 25 ppmv as determined by integrated surface monitoring by annual or quarterly monitoring may monitor annually. Any exceedances of the 500 ppmv instantaneous and 25 ppmv average limits (as methane) detected during the annual monitoring that can not be remediated within 10 calendar days will result in a return to quarterly monitoring of the landfill. [17 CCR 95469(a)(2)(C)(D)(3)] Federally Enforceable Through Title V Permit 60.Owner or operator must measure the landfill surface concentration of methane using a hydrocarbon detector meeting the requirements of 17 CCR 95471(a). The landfill surface must be inspected using the following procedures: The entire landfill surface must be divided into individually identified 50,000 square foot grids. The grids must be used for both instantaneous and integrated surface emissions monitoring.(A) Testing must be performed by holding the hydrocarbon detector's probe within 3 inches of the landfill surface while traversing the grid. The walking pattern must be no more than a 25-foot spacing interval and must traverse each monitoring grid. If the owner or operator has no exceedances of 500 ppmv instantaneous surface concentration and 25 ppmv average surface concentration as methane after any four consecutive quarterly monitoring periods, the walking pattern spacing may be increased to 100-foot intervals. The owner or operator must return to a 25-foot spacing interval upon any exceedances of 500 ppmv instantaneous surface concentration and 25 ppmv average surface concentration as methane that cannot be remediated within 10 calendar days or upon any exceedances detected during a compliance inspection. If an owner or operator of a MSW landfill can demonstrate that in the past three years before the effective date of this subarticle that there were no measured exceedances of a surface concentration of 500 ppmv as methane, other than non-repeatable, momentary readings and as determined by instantaneous surface monitoring by annual or quarterly monitoring, the owner or operator may increase the walking pattern spacing to 100-foot intervals. The owner or operator must return to a 25-foot spacing interval upon any exceedances of 500 ppmv instantaneous surface concentration and 25 ppmv average surface concentration as methane that cannot be remediated within 10 calendar days or upon any exceedances detected during a compliance inspection. [17 CCR 95471(c)(1)(A)(B)(1)(2)] Federally Enforceable Through Title V Permit