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Conditions for N-339.17-10 (continued) Page 4 of g 0 42 Annual amount of soil used for intennediatc and final covering slia)l not exceed 1,406,827 cubic yar(L; of soil, atilt I'M 10 emissions shall nal exceed O.WS lb PM I0/ton of soil (using x suit density of 3,240 lbs/cubic yard of soil). Permittee shall keep annual records of the amount of soil used for intermediate and final covering (District NSR Rule] Federally Enforceable Through Title V PLR -nit 43. Permittee shall maintain daily and annual records of landfill gas flow rate to the flares. [Di;trici Rule 10701 Fedcrally Enforceable Tluough Title V Permit 44. All records shall be retained for a period of at least 5 years and shall be made available for District inspection upon request. (District Rule 1070] Federally Enforceable Through Title V Permit 45. A record of continuous flare combustion temperatw-e, continuous volumetric gas flow rate; net healing vuluc of Lindh ll gas being combusted, daily average fuel consumption, daily average heat hipm, and carbon canister inspection shall be maintained, retained on the premises fora period of at least five years and made readily availublc for District inspectiou upon request. (District NSR Rule] Federally Fn forecablc'lluough -1 itle V Permit 46 This operoling permit may be canccllcd with APCO approval when the landfill is closed, pursuant to the requirements Of this permit, if the landfill is not otherwise subject to the requirements of either 40 CFR part 70 or part 71 and if either 1) it was never subject to the requirement for a control system under 40 CFR 60.752(6)(2); or 2) the owner or operator meets the conditions for control system removal specified in 40 CFR 60,752(b)(2)(v). [40 CFR 60.752(d)] Federally Frifurncahlc 'Through Title V Pen -nit 47. if the landfill is pcntianently closed, a closure notification shall he submitted to the APCO within 30 days of w;tstc disposal cessation. A permanent closure must take place in accordance with 40 CFR 258.60. if a closure report bas been submitted, no additional waste may iae placed in the landfill without tiling a notification of modification to the APCO, pursu;tnt to 40 CFR 60.7(a)(4). [40 CFk 60.752(b)(l )(ii)(B), 60.757(d)] 48 An active collection system shall be designed to htindlc the maximum expected gas flow rate front the entire arca of the fandtitl that warranls control over the intended use period of the gas control or treatment system equipment, collect has from each arca, cell, or group of cells in the landfill in which the initial solid waste has hent placed for a period of 5 years or more if active; or 2 years or more if closed or at final grade, collect gas at a sufficient extraction rate, and he AWL designed to minimize off-site migration ofsubsurfacc gas. (40 CFR 60.752(b)(2)(ii)(A)] Federally P.nti)rceable JW Through Title V Permit 49, All collected 9* s shall be routed to a control systeni designed and operated to reduce the NMOC by 98 weight percent or reduce the nutlet NMOC concentration to less than 20 parts per million by volume, dry basis as hexane at 3 percent oxygen. The reduction efficiency shall be established by all initial performance tut to be completed no later than I g0 days after the initial Startup of the approved control system using the test metliods specified in Section 60.754(d). [40 CFR 60.752(6}(2)(tit)(T3}} Federally £nforceableThrough Title V Permit 50 Permittee shall operate the collection system so that the methene concentration is less than 500 parts per million above background at the surface of the landfill. To determine if this level is excecdcd, the owner or operator shall conduct surface testing around the perimeter oftltc collection area and along a pattern that "verses the landfill at 30 meter intervals and where visual observations indicate elevated concentrations of landfill gas, such as distressed vegetation and cracks or seeps in the cover, The owner or operator tray establish an alteniative traversing pattern that ensures equivalent coverage. A surface monitoring design plan shall be developed that includes a topographical map with the monitoring route and the rationale for any site-specific deviations from the 30 meter intervals. Areas widi steep slopes of other dangerous areas may he excluded from the surface testing 140 CFR 60.753(d)] Federally Enforceable Through Title V Permit 51. Compliance with this surface methane operational standard shall be demonsrratcd using the procedures outlined in 40 CFR 60.755(e) within 180 days of installation and startup of the collection and control system and quarterly thercafter. (40 CFR 60.753(d), 40 CFR 60.755(c), and 40 CFR 60.91 Federally Enforceable Through Title v Perritt 52. Pcnniucc shall operate the enclosed flan at all times when the collected gas is routed to it. [40 CFR 60.753(01 federally Enforceable Through Title V Permit 53 Permittee sh;111 operate the landfill gas collection system such that gas is collecled from each area, cell, or group of cells in the MSW landfill in which solid waste has been in place for: (i ) five years or more il'netive; or (2) two years or more if closed or at final grade. [40 CPR 60.753(a)] Federally Enforceable Through Title V Permit CONDMONS CONT NIM ON NEXT PAGE