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Permit Unit Requirements for N-1119-1-1 (continued) Page 2 of 4 6. Tier 3 specifications to determine the site-specific methane generation rate constant shall include the following: 1) AMEPA Method 2E or another method approved by the EPA shall be used, 2) The NMOC mass emission rate shall be calculated using the average site-specific NMOC concentration and the site-specific methane generation rate constant 1c, instead of the default values in 40 CFR 60(a)(1), and 3) If the resulting calculated NMOC mass emission rate is equal to or greater than 50 megagrams/year, the landfill owner or operator shall comply with 60.752(b)(2). [40 CFR 60.754(a)(4), (a)(5) and (i) and 62.14354] Federally Enforceable Through Title V Permit 7. If Tier 3 specifications are used to determine the site-specific methane generation rate and the calculated NMOC mass emission rate is less than 50 megagrams/year, then a periodic emission rate report shall be submitted to the Administrator, pursuant to 60.757(b)(1) and the NMOC concentration shall be recalculated annually, pursuant to 60.757(b)(1), using the site-specific methane generation rate constant and the NMOC concentration obtained using Tier 2 specifications. Determination of the site-specific methane generation rate constant is performed once and used in all subsequent annual NMOC emission rate calculations. [40 CFR 60.754(a)(4)(ii) and 62.14354] Federally Enforceable Through Title V Permit 8. For PSD purposes, the NMOC emission rate shall be estimated and compared to the PSD major source and significance levels in 40 CFR 51.166 or 52.21, using AP -42 or EPA -approved procedures. [40 CFR 60.754(c) and 62.14354] Federally Enforceable Through Title V Permit 9. The NMOC emission rate shall be recalculated and reported to the APCO annually, except as otherwise provided in this permit, until such time as the calculated NMOC emission rate is equal to or greater than 50 megagrams/year and a collection and control system is installed or until the landfill is closed. [40 CFR 60.752(b)(1), 60.754(a), 60.757(b), 62.14354 and 62.14355] Federally Enforceable Through Title V Permit 10. If the NMOC emission rate,. as reported in the annual report is less than 50 megagrams/year in each of the next 5 consecutive years, the owner or operator may elect to submit an estimate of the NMOC emission rate for the next 5 - year period in lieu of the annual reports for those 5 years. This estimate shall include the current amount of solid ste-in-place and the estimated waste acceptance rate for each year of the 5 years. All data and calculations upon !!ich this estimate is based shall be provided to the APCO. This estimate shall be revised at least once every 5 years. 0_CFR 60.757(b)(1)(ii) and 62.14355] Federally Enforceable Through Title V Permit 11. If the actual waste acceptance rate exceeds the estimated rate used in any year reported in a 5 -year estimate of the NMOC emission rate, then a revised 5 -year estimate shall be submitted to the APCO. The revised estimate shall cover the 5 -year period beginning with the year in which the actual waste acceptance rate exceeded the estimated acceptance rate. [40 CFR 60.757(b)(1)(1i) and 62.14355] Federally Enforceable Through Title V Permit 12. The NMOC emission rate report shall include all the data, calculations, sample reports and measurements used to estimate the annual or 5 -year emissions. [40 CFR 60.757(b)(2) and 662.14355] Federally Enforceable Through Title V Permit 3. If the owner or operator elects to recalculate the NMOC emission rate using Tier 2 specifications and the resulting NMOC emission rate is less than 50 megagrams/year, annual periodic reporting shall resume. The revised NMOC emission rate report, with the recalculated NMOC emission rate using Tier 2 specifications, shall be submitted within 180 days of the first Tier 1 calculated exceedance of 50 megagrams/year. [40 CFR 60.757(c)(1) and 62.14355] Federally Enforceable Through Title V Permit 4. If the owner or operator elects to recalculate the NMOC emission rate using Tier 3 specifications and the resulting NMOC emission rate is less than 50 megagrams/year, annual periodic reporting shall resume. The revised NMOC emission rate report, with the recalculated NMOC emission rate using Tier 3 specifications, shall be submitted within 1 year of the first Tier 1 calculated exceedance of 50 megagrams/year. [40 CFR 60.757(c)(2) and 62.14355] Federally Enforceable Through Title V Pen -nit 5. Each owner or operator shall keep for at least 5 years up-to-date, readily accessible, on-site records of the maximum design capacity, the current amount of solid waste in-place, and the year -by -year waste acceptance rate. Off-site ds may be maintained if they are retrievable within 4 hours. [40 CFR 60.758(a), 62.14355(a) and District Rule` 9.4.2] Federally Enforceable Through Title V Permit PERMIT UNIT REQUIREMENTS CONTINUE ON NEXT PAGE These terms and conditions are part of the Facility -wide Permit to Operate. cility Name: NORTH COUNTY SANITARY LANDFILL cation: 17916 E. HARNEY L4NF t nn1 r.a aa7an