(CFR), Title 40, Part 70. DRAFT - Ct

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Connecticut Department ofENERGY &ENVIRONMENTALPROTECTIONBUREAU OF AIR MANAGEMENTTITLE V OPERATING PERMITIssued pursuant to Title 22a of the Connecticut General Statutes (CGS) and Section 22a-174-33 of theRegulations of Connecticut State Agencies (RCSA) and pursuant to the Code of Federal Regulations(CFR), Title 40, Part 70.Title V Permit Number178-0086-TVClient/Sequence/Town/Premises Numbers8785/02/178/0005Date IssuedExpiration DateCorporation:DRAFTSikorsky Aircraft CorporationPremises Location:6900 Main Street, Stratford, Connecticut 06615-9129Name of Responsible Official and Title:George D. Mitchell, Jr., Vice President, Rotary Systems, Production OperationsAll the following attached pages, 2 through 69, are hereby incorporated by reference into this Title Vpermit.Betsey C. WingfieldDeputy CommissionerSikorsky Aircraft CorporationDatePage 1 of 69Permit No. 178-0086-TV

TABLE OF CONTENTSPAGEList of Abbreviations/Acronyms .5Section I. Premises Information/DescriptionA. Premises Information .7B. Premises Description. .7Section II. Emissions Units InformationA. Emissions Units Description - Table II.A .9B. Operating Scenario Identification - Table II.B .14Section III. Applicable Requirements and Compliance DemonstrationA. Grouped Emissions Unit 1 .15B. Grouped Emissions Unit 2 and Emissions Units 32 and 33.19C. Grouped Emissions Unit 7 .25D. Grouped Emissions 8 .27E. Emissions Unit 30 .29F. Emissions Unit 24 .31G. Grouped Emissions Unit 3 .43H. Grouped Emissions Unit 4 .44I. Emissions Unit 23 .47J. RCSA §22a-174-20(s) .48K. 40 CFR Part 63 Subpart GG .50L. Grouped Emissions Unit 5 .54M. Grouped Emissions Unit 6 .55N. Emissions Unit 15 .57O. Premises-Wide General Requirements .58DRAFTSection IV. Compliance Schedule - Table IV .60Section V. State Enforceable Terms and Conditions .61Section VI. Title V RequirementsA. Submittals to the Commissioner & Administrator .63B. Certifications [RCSA §22a-174-33(b)].63C. Signatory Responsibility [RCSA §22a-174-2a(a)] .63D. Additional Information [RCSA §§22a-174-33(j)(1)(X), -33(h)(2)].64E. Monitoring Reports [RCSA §22a-174-33(o)(1)] .64F. Premises Records [RCSA §22a-174-33(o)(2)] .65G. Progress Reports [RCSA §22a-174-33(q)(1)].65H. Compliance Certifications [RCSA §22a-174-33(q)(2)] .66I. Permit Deviation Notifications [RCSA §22a-174-33(p)] .66J. Permit Renewal [RCSA §22a-174-33(j)(1)(B)].66K. Operate in Compliance [RCSA §22a-174-33(j)(1)(C)] .66L. Compliance with Permit [RCSA §22a-174-33(j)(1)(G)] .66M. Inspection to Determine Compliance [RCSA §22a-174-33(j)(1)(M)] .67N. Permit Availability.67O. Severability Clause [RCSA §22a-174-33(j)(1)(R)] .67P. Need to Halt or Reduce Activity [RCSA §22a-174-33(j)(1)(T)] .67Q. Permit Requirements [RCSA §22a-174-33(j)(1)(V)] .67Sikorsky Aircraft CorporationPage 2 of 69Permit No. 178-0086-TV

TABLE OF CONTENTS, continuedPAGESection VI. Title V Requirements, continuedR.S.T.U.V.W.X.Y.Property Rights [RCSA §22a-174-33(j)(1)(W)] .67Alternative Operating Scenario Records [RCSA §22a-174-33(o)(3)] .67Operational Flexibility and Off-Permit Changes [RCSA §22a-174-33(r)(2)] .67Information for Notification [RCSA §22a-174-33(r)(2)(A)] .68Transfers [RCSA §22a-174-2a(g)] .68Revocation [RCSA §22a-174-2a(h)] .68Reopening for Cause [RCSA §22a-174-33(s)] .69Credible Evidence.69DRAFTSikorsky Aircraft CorporationPage 3 of 69Permit No. 178-0086-TV

Title V Operating PermitAll conditions in Sections III, IV, and VI of this Title V permit are enforceable by both theAdministrator and the commissioner unless otherwise specified. Applicable requirements andcompliance demonstration are set forth in Section III of this Title V permit. The Administrator orany citizen of the United States may bring an action to enforce all permit terms or conditions orrequirements contained in Sections III, IV, and VI of this Title V permit in accordance with theClean Air Act, as amended.DRAFTSikorsky Aircraft CorporationPage 4 of 69Permit No. 178-0086-TV

LIST OF kWl or nics Development CenterAmerican Society for Testing and MaterialsDegree CelsiusCode of Federal RegulationsCompression IgnitionConnecticut General StatutesCarbon MonoxideEmissions UnitEnvironmental Protection AgencyDegree FahrenheitGramsGallonGrouped Emissions UnitWaterHazardous Air PollutantHigh Efficiency Particulate AirHorsepowerHourHigh Volume Low PressureInternal Combustion EngineInchesJoulesKilowattsLiterPoundMillion British Thermal UnitMillion Cubic FeetMillimeters of MercuryMaximum Rated CapacityMaterial Safety Data SheetMegawattMegawatt hourModel YearNorth American Industry Classification SystemNanogramNon Methane Hydro-carbonNitrogen OxidesOxygenLeadParticulate MatterParticulate Matter less than 2.5 micronsParticulate Matter less than 10 micronsParts per million, weightParts per million, volume, dryRegulations of Connecticut State AgenciesReciprocating Internal Combustion EngineStandard Cubic FeetDRAFTSikorsky Aircraft CorporationPage 5 of 69Permit No. 178-0086-TV

LIST OF ABBREVIATIONS/ACRONYMS, VOCDescriptionSelective Catalytic ReductionSpark IgnitionStandard Industrial CodeSulfur DioxideTons per yearTotal Suspended ParticulatesUltra Low Sulfur DieselVolatile Organic CompoundDRAFTSikorsky Aircraft CorporationPage 6 of 69Permit No. 178-0086-TV

Section II: Emissions Units InformationA. PREMISES INFORMATIONName of Business: Sikorsky Aircraft CorporationPrimary SIC: 3721NAICS: 336411Facility Mailing Address: 6900 Main Street, P.O. Box 9729, Stratford, CT 06615-9129Telephone Number: (203) 386-4000B. PREMISES DESCRIPTIONSikorsky Aircraft Corporation (Sikorsky)’s main plant, located at 6900 Main Street in Stratford, is usedfor the manufacture and overhaul/repair of military and commercial helicopters. The facility consists of20 major buildings totaling approximately 2.4 million square feet, on 248.6 acres of land. Sikorsky is aTitle V source located in a severe ozone non-attainment area defined in RCSA §22a-174-1. Sikorskyexceeds the major source threshold for VOC and HAPs. Sikorsky has a premises wide cap for NOx(collateral condition in Permit No. 178-0129), and as such the premises is considered minor for NOx.The main manufacturing process activities conducted at the facility include machining, forming of sheetmetal and composite parts, heat treating, metal finishing and etching, rotor blade manufacturing, wiringharness fabrication, assembly of gear boxes and transmissions/rotor heads, painting and depainting, andfinal assembly of aircraft. Other facility operations include aircraft/rotor blade/transmission testing,fueling, engineering, laboratory research, shipping/receiving, purchasing, administration, maintenance,wastewater treatment, and the generation of steam, compressed air and chilled water.DRAFTThe principal materials used in the manufacturing processes and facility operations include: Aluminum, titanium, magnesium, carbon steel, and stainless steelVarious acids, caustics, plating solutions, and rinsewatersVarious coolants, and quench, cutting, and lubricating oilsNatural gas, fuel oil, jet fuel, gasoline, methanol, and liquid nitrogen and argonPrimers, topcoats, solvents, and paint strippersFiberglass, Kevlar, graphite and boron cloth, and related resinsVarious sealants and adhesivesFuel Burning SourcesPowerhouseSteam and electricity are provided by a cogeneration facility (EU-24) consisting of a 10 MW Solar Mars100 Axial Turbine with dry SoLoNOx, or lean premix gas turbine with a natural gas fired 34.6 MMBtu/hrduct burner and a heat recovery steam generator (HRSG). The duct burner is not capable of beingoperated alone. The turbine burns natural gas and ULSD as backup. The duct burner burns natural gasonly. Emissions are controlled by SCR and an oxidation catalyst. The cogeneration facility operates underPermit No. 178-0129 and is subject to 40 CFR Part 60 Subpart KKKK – Standard of Performance forStationary Combustion Turbines; as well as 40 CFR Part 63 Subpart YYYY – National EmissionsStandards for Hazardous Air Pollutants for Stationary Combustion Turbines (currently stayed).Backup steam generation is provided by four registered boilers (GEU-1). Three boilers are operated oneither natural gas or ULSD fuel oil; the fourth combusts natural gas only. The boilers are subject to RCSA§22a-174-22f and 40 CFR Part 63 Subpart DDDDD: National Emission Standards for Hazardous AirPollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters.Sikorsky Aircraft CorporationPage 7 of 69Permit No. 178-0086-TV

Section II: Emissions Units InformationB. PREMISES DESCRIPTION, continuedEmergency EnginesEmergency engines power various generators and fire pumps. Emergency engines power variousgenerators and fire pumps. Some of the emergency engines are subject to the requirements of RCSA§§22a-174-3b and 22a-174-22f. The engines also operate under the following requirements, as applicable: 40 CFR Part 63 Subpart ZZZZ - National Emissions Standards of Performance for StationaryCompression Ignition Internal Combustion Engines. 40 CFR Part 60 Subpart IIII – National Emissions Standards of Performance for StationaryCompression Ignition Internal Combustion Engines.VOC SourcesPaint BoothsPainting is generally done using water-reducible primers, high solids (low VOC) topcoats and aerospace“specialty coatings.” Paint overspray is controlled either with dry filters or water systems. The site has anumber of spray paint booths that are operating under New Source Review permits (GEU-4), therequirements of RCSA §22a-174-3b (EU-23) or are not subject to RCSA §22a-174-3a. With theexception of the Aeromechanical Development Center (AEDC paint booth) the booths are subject to therequirements of RCSA §22a-174-20(s) and 40 CFR Part 63 Subpart GG – National Emission Standardsfor Aerospace Manufacturing and Rework Facilities (EU-11, EU-12, EU-17 through EU-23).DRAFTMiscellaneous VOC SourcesHandwipingSolvent cleaning of parts is generally performed manually, using pre-moistened “wipes” for both metaland non-metal aircraft parts (GEU-5). The cleaning is done prior to adhesive bonding, sealing andpriming. The wipe cleaning is subject to RCSA §22a-174-20(ii) and 40 CFR Part 63 Subpart GG –National Emission Standards for Aerospace Manufacturing and Rework Facilities. The majority of thewipe cleaning operations is performed using non-HAP and/or low vapor pressure solvents.Cold CleaningRemoval of oils and greases is performed by soaking the parts in cold cleaners using non-chlorinatedsolvents (GEU-3). These are subject to RCSA §22a-174-20(l). There are no vapor degreasers at thefacility.Nital EtchThe Nital Etch tank (EU-15) is a surface temper inspection process using denatured ethanol. It operatesunder collateral conditions in Permit Nos. 178-0035, 178-0078 and 178-0128.Paint Gun CleaningPaint gun cleaning associated with the paint booths is primarily the use of automated enclosed spray guncleaners (GEU-6). Paint gun cleaners are subject to RCSA §22a-174-20(jj) and 40 CFR Part 63Subpart GG – National Emission Standards for Aerospace Manufacturing and Rework Facilities.Paint RemovalThe depainting of entire aircraft is no longer performed. Parts or sections of aircraft are depainted bymechanical means or using conventional Methylene Chloride-based or non-HAP paint strippers.Sikorsky Aircraft CorporationPage 8 of 69Permit No. 178-0086-TV

Section II: Emissions Units InformationA. EMISSIONS UNITS DESCRIPTIONEmissions units are set forth in Table II.A. It is not intended to incorporate by reference these NSRPermits, Registrations, or Regulations into this Title V permit.TABLE II.A: EMISSIONS UNITS GEU-1Control UnitDescriptionEmissions Unit DescriptionWickes Boiler No. 1NonePermit, Registration, orRegulation NumberRegistration No. 178-0016-RPower HouseRCSA §22a-174-22fNatural Gas and ULSD fuel oil40 CFR Part 63 Subpart DDDDDMRC: Derated to 43.1 MMBtu/hr fornatural gas and 39.4 MMBtu/hr forULSD fuel oilEU-2/GEU-1DRAFTConstructed: January 1958Wickes Boiler No. 2Power HouseNoneRegistration No. 178-0017-RRCSA §22a-174-22fNatural Gas and ULSD fuel oil40 CFR Part 63 Subpart DDDDDMRC: Derated to 44.3 MMBtu/hr fornatural gas and 39 MMBtu/hr forULSD fuel oilEU-3/GEU-1Constructed: January 1958Wickes Boiler No. 3Power HouseNoneRegistration No. 178-0018-RRCSA §22a-174-22fNatural Gas and ULSD fuel oil40 CFR Part 63 Subpart DDDDDMRC: Derated to 39 MMBtu/hr fornatural gas and 37.3 MMBtu/hr forULSD fuel oilEU-4/GEU-1Constructed: January 1958Wickes Boiler No. 4Power HouseNoneRegistration No. 178-0019-RRCSA §22a-174-22fNatural Gas40 CFR Part 63 Subpart DDDDDMRC: Derated to 42 MMBtu/hr forSikorsky Aircraft CorporationPage 9 of 69Permit No. 178-0086-TV

Section II: Emissions Units InformationTABLE II.A: EMISSIONS UNITS ol UnitDescriptionEmissions Unit DescriptionPermit, Registration, orRegulation Numbernatural gasGEU-2Constructed: January 1958Emergency Engines:Fire Pump No. 1 (EU-6)Fire Pump No. 2 (EU-7)Fire Pump No. 3 (EU-8)Fire Pump No. 4 (EU-9)NoneRCSA §§22a-174-3b(e)and 22a-174-22f40 CFR Part 63 Subpart ZZZZFour Caterpillar 3406 TA-W2.94 MMBtu/hr (CI 500 hp) eachBetween Power House and vehiclemaintenance garageDRAFTULSD fuel oilGEU-3Constructed: January 2003Cold CleanersCoverRCSA §22a-174-20(l)(3)EU-11Special Prime Paint Booth3 Stage Dry FilterRCSA §22a-174-20(s)Column E5EU-1240 CFR Part 63 Subpart GGConstructed: 1981Blade Prime (Bond) Paint BoothPumpless WaterwashColumn E11EU-15EU-17/GEU-4EU-18/GEU-440 CFR Part 63 Subpart GGConstructed: 1955/1994Solution Tank GN276 – Nital Etch Column X11Constructed: 1979Dyescan BoothRCSA §22a-174-20(s)Cover/Wet ScrubberCollateral Condition in PermitNos. 178-0035, 0078 and 01283 Stage Dry FilterPermit No. 178-0128Column K10RCSA §22a-174-20(s)Constructed: October 2006Blades Spray Booth40 CFR Part 63 Subpart GGPermit No. 178-00783 Stage Dry FilterColumn J17Sikorsky Aircraft CorporationRCSA §22a-174-20(s)Page 10 of 69Permit No. 178-0086-TV

Section II: Emissions Units InformationTABLE II.A: EMISSIONS UNITS ol UnitDescriptionEmissions Unit DescriptionConstructed: -23Permit, Registration, orRegulation Number40 CFR Part 63 Subpart GGPaint Spray Booth, Small PartsDownflow WaterwallPermit No. 178-0035Column Z16RCSA §22a-174-20(s)Constructed: May 1984Finishes Paint Cell No. 140 CFR Part 63 Subpart GGPermit No. 178-0035HorizontalWaterfloorColumn Z18RCSA §22a-174-20(s)Constructed: May 1984Finishes Paint Cell No. 240 CFR Part 63 Subpart GGPermit No. 178-0035HorizontalWaterfloorDRAFTColumn Z19RCSA §22a-174-20(s)Constructed: May 1984Finishes Paint Cell No. 340 CFR Part 63 Subpart GGPermit No. 178-0035HorizontalWaterfloorColumn Z19RCSA §22a-174-20(s)Constructed: May 1984VH Parts No. 4 Paint Booth40 CFR Part 63 Subpart GGRCSA §§22a-174-3b and22a-174-20(s)3 Stage Dry FilterColumn Z1840 CFR Part 63 Subpart GGEU-24Constructed: 1998Cogeneration Facility Consisting of a10 MW Solar Mars Gas Turbine,Cleaver Brooks EnergyRecovery/Natcom Duct Burner andCleaver Brooks Energy Recovery HeatRecovery Steam GeneratorSCR and OxidationCatalystRCSA §22a-174-22f40 CFR Part 60Subpart KKKKNone40 CFR Part 63Subpart YYYY40 CFR Part 63 Subpart GGNoneRCSA §22a-174-20(ii)40 CFR Part 63 Subpart GGConstructed: November 2009GEU-5GEU-6Hand Wiping OperationsSpray Gun Cleaning OperationsPermit No. 178-0129RCSA §22a-174-20(jj)Sikorsky Aircraft CorporationPage 11 of 69Permit No. 178-0086-TV

Section II: Emissions Units InformationTABLE II.A: EMISSIONS UNITS /GEU-7Control UnitDescriptionEmissions Unit DescriptionGenerac Emergency Generator0.14 MMBtu/hr20 hp/15 kWSI 500 hpPermit, Registration, orRegulation NumberNone40 CFR Part 63 Subpart ZZZZNone40 CFR Part 63 Subpart ZZZZNatural GasGuard StationEU-26/GEU-7Constructed: July 1993Kohler 60ROZJ Emergency Generator0.58 MMBtu/hr83 hp/62 kWCI 500 hpDRAFTULSD Fuel OilFire DepartmentEU-28/GEU-8Constructed: July 1993Generac SD010Emergency Generator0.34 MMBtu/hr49 hp/37 kWNone40 CFR Part 63 Subpart IIIINoneRCSA §22a-174-22fULSD Fuel OilTowerEU-30Constructed: January 2017Kohler Model 250REOZJEEmergency Generator2.35 MMBtu/hr335 hp/250 kW40 CFR Part 63 Subpart IIIIULSDData CenterEU-31/GEU-8Constructed: 2019Generac Model SD050Emergency Generator0.35 MMBtu/hrSikorsky Aircraft CorporationNonePage 12 of 6940 CFR Part 63 Subpart IIIIPermit No. 178-0086-TV

Section II: Emissions Units InformationTABLE II.A: EMISSIONS UNITS ol UnitDescriptionEmissions Unit DescriptionPermit, Registration, orRegulation Number67 hp/50 kWULSDPhone RoomEU-32Constructed: 2019Volvo Penta TWD1672GE “Rental”Emergency EngineNoneRCSA §22a-174-22f40 CFR Part 60 Subpart IIIIGross power output standby: 624kW/836 hpOutside Medical Department atColumn A14ULSD fuel oilDRAFTWorst case 5.85 MMBtu/hrCI 500 hpTier 4 FinalModel Year 2019EU-33Constructed: December 2020Cummins 450DFEJEmergency GeneratorNoneRCSA §22a-174-3b(e)RCSA §22a-174-22fGross power output standby: 563kW/755 hp40 CFR Part 60 Subpart IIIIWaste Water treatment PlantULSD Fuel OilWorst case 5.28 MMBtu/hrCI 500 hpTier 2Constructed: December 2020Sikorsky Aircraft CorporationPage 13 of 69Permit No. 178-0086-TV

Section II: Emissions Units InformationB. OPERATING SCENARIO IDENTIFICATIONThe Permittee shall be allowed to operate under the following Standard Operating Scenarios withoutnotifying the commissioner, provided that such operations are explicitly provided for and described inTable II.B.TABLE II.B: OPERATING SCENARIO IDENTIFICATIONDescription of ScenarioEmissions Units Associated with the ScenarioGEU-2 (EU-6 through EU-9), GEU-7 (EU-25,EU-26), GEU-8 (EU-28, EU-31), EU-30, EU-32,EU-33GEU-1 (EU-1, EU-2, EU-3 and EU-4)GEU-3EU-24Emergency engines: the standard use of the emergencyengines is to provide emergency power (electrical and firepumps) for operations at the facility in case of a utilitypower outage, brownout, maintenance or other emergency.Some engines burn ULSD fuel oil and some burn naturalgas.Boilers: the standard use of the boilers is to provide steamfor process tanks, building heating, hot water and tooperate some absorption chillers. Three registered boilersburn ULSD fuel oil and natural gas. The fourth burnsnatural gas only.Cold cleaners: the standard use of the parts cleaners is toclean miscellaneous metal parts.Combustion turbine and duct burner: the standard useof the combustion turbine and duct burner is to provideelectrical power and steam for building heating andcooling. The combustion turbine burns natural gas andULSD fuel oil. The duct burner burns natural gas only.Paint Booths: the standard use of paint booth is to applytopcoats, primers, and specialty coatings to miscellaneousmetal parts, composite parts, aircraft interior and exteriors.Hand Wiping Operation: the standard use of premoistened “wipes” is for solvents cleaning of metal andnon-metal parts of aircraft by hand.Solution Tank GN276: the standard use of solution tankGN276 is as a surface temper etch inspection tank.Spray Gun Cleaning Operations: the standard use ofspray gun cleaners is to clean paint spray guns after use.DRAFTGEU-4 (EU-17, EU-18,EU-19, EU-20, EU-21 and EU-22),EU-11, EU-12 and EU-23GEU-5EU-15GEU-6Sikorsky Aircraft CorporationPage 14 of 69Permit No. 178-0086-TV

Section III: Applicable Requirements and Compliance DemonstrationThe following contains summaries of applicable regulations and compliance demonstration for each identifiedEmissions Unit regulated by this Title V permit.A. GROUPED EMISSIONS UNIT 1 (GEU-1)Four Registered boilers subject to RCSA §§22a-174-18, 22a-174-19(b), 22a-174-22f, and 40 CFR Part 63Subpart DDDDD – National Emission Standards for Hazardous Air Pollutants for MajorSources: Industrial, Commercial and Institutional Boilers and Process HeatersEU-1: Wickes boiler No. 1 - Registration No. 178-0016-REU-2: Wickes boiler No. 2 - Registration No. 178-0017-REU-3: Wickes boiler No. 3 - Registration No. 178-0018-REU-4: Wickes boiler No. 4 - Registration No. 178-0019-R1. Fuel Type, Sulfur Content Limit and TSPa. Limitation or Restrictioni.The Permittee shall only burn natural gas or ULSD fuel oil in boilers Nos. 1 through 3.[Registration Nos. 178-0017, 178-0018 and 178-0019]ii. The Permittee shall only burn natural gas in boiler No. 4. [Registration No. 178-0016]DRAFTiii. TSP emissions shall not exceed 0.12 lb/MMBtu when operating on ULSD fuel oil, and 0.10lb/MMBtu when operating on natural gas. [RCSA §22a-174-18(e)]iv. The Permittee shall not combust fuel in a stationary source that contains sulfur in excess of 15 ppm(0.0015%) by weight. [RCSA §22a-174-19b(d)]b. Monitoring RequirementsThe commissioner may require the Permittee to analyze for the sulfur content of liquid fuels, which shallbe done according to the American Society for Testing and Materials method 4294, D7039 or the mostcurrent method approved by the American Society for Testing and Materials for the analysis of sulfurcontent of liquid fuels. [RCSA §22a-174-5(b)(1)]c. Record Keeping Requirementsi.The Permittee shall maintain a shipping receipt and certification from the fuel supplier certifying thename of the fuel supplier, type of fuel delivered, the percentage of sulfur in such fuel, by weight, bydry basis, and the method used by the fuel supplier to determine the sulfur content of such fuel; or acopy of the current contract with specifying the name of the fuel supplier, the type or grade of fueldelivered, and the sulfur content of the fuel. [RCSA §22a-174-33(j)(1)(K)(ii)]ii. The Permittee shall keep all records required for a period of no less than five years and shall submitsuch records to the commissioner upon request. [RCSA §22a-174-33(j)(1)(K)]d. Reporting RequirementsThe Permittee shall submit additional information in writing, at the commissioner’s request, within 30days of receipt of notice from the commissioner or by such other date specified by the commissioner,whichever is earlier. [RCSA §22a-174-33(j)(1)(X)]Sikorsky Aircraft CorporationPage 15 of 69Permit No. 178-0086-TV

Section III: Applicable Requirements and Compliance Demonstration2. NOx: RCSA §22a-174-22fa. Limitation or Restrictioni.The Permittee of an emissions unit that is not an emergency engine or an affected unit that exceedsthe NOx emission threshold in RCSA §22a-174-22f(e)(2)(A) shall submit the notification required byRCSA §22a-174-22f(h) within 60 days of the day on which the threshold is first exceeded and shalloperate the emissions unit in compliance with RCSA §22a-174-22e no later than 270 days after theday on which the threshold is first exceeded. [RCSA §22a-174-22f(e)(2)]ii. The Permittee may conduct tune-ups according to the schedule and procedures of the applicablerequirements of 40 CFR Part 63 Subpart DDDDD. If the period between tune-ups in the applicablerequirements of 40 CFR Part 63 Subpart DDDDD is greater than 60 months, a tune-up shall beconducted at least once every 60 months. [RCSA §22a-174-22f(f)(2)]b. Monitoring and Testing RequirementsRecord keeping specified in Section III.A.2.c of this Title V permit shall be sufficient to meet otherMonitoring and Testing Requirements pursuant to RCSA §22a-174-33.[RCSA §22a-174-33(j)(1)(K)(ii)]DRAFTc. Record Keeping Requirementsi.The Permittee shall make and keep the following records:[RCSA §22a-174-22f(g)(2)(A) through (F)](A)During the period from May 1 to September 30, inclusive, records sufficient to determine theNOx emissions (lb) per day;(B)A calculation of NOx emissions on each day of operation, performed no later than the last dayof each month for everyday of operation in the preceding month;(C)The method used to calculate daily NOx emissions and the information used to determine theNOx emissions rate chosen from the options in RCSA §22a-174-22f(g)(2)(C)(i) through(v);(D)The date and work performed for repairs, replacement of parts and other maintenance;(E)For emissions unit’s tune-up conducted pursuant to RCSA §22a-174-22f(f), the date on whichthe emissions unit is tuned-up; the name, title and affiliation of the person performing the tuneup, and a description of work performed; and(F)Copies of all documents submitted to the commissioner pursuant to RCSA §22a-174-22f.ii. The Permittee shall retain all records and reports produced pursuant to RCSA §22a-174-22f for fiveyears. Such records and reports shall be available for inspection at reasonable hours by thecommissioner or the Administrator. Such records and reports shall be retained at the premises wherethe emissions unit is located. [RCSA §22a-174-22f(g)(1)]d. Reporting Requirementsi.If an emissions unit exceeds the daily NOx emission threshold in Section III.A.2.a of this Title VSikorsky Aircraft CorporationPage 16 of 69Permit No. 178-0086-TV

Section III: Applicable Requirements and Compliance Demonstrationpermit, the Permittee shall submit a notification to the Compliance Analysis and Coordination Unit,Bureau of Air Management at the Department. Such a notification shall be submitted no later than 60days after the date on which daily NOx emissions thresholds were exceeded and shall include theinformation in RCSA §22a-174-22f(h). [RCSA §22a-174-22f(h)]ii. The Permittee shall submit additional information in writing, at the commissioner’s request, within30 days of receipt of notice from the commissioner or by such other date specified by thecommissioner, whichever is earlier. [RCSA §22a-174-33(j)(1)(X)]3.40 CFR Part 63 Subpart DDDDD: National Emission Standards for Hazardous Air Pollutants for MajorSources: Industrial, Commercial and Institutional Boilers and Process Heaters. Initial notification was submitted on March 10, 2016 Gas 1 units Continuous oxygen trim system These boilers are not subject to the emission limits in 40 CFR Part 63 Subpart DDDDDa. Limitation or Restrictioni.The Permittee shall operate each boiler as a Gas 1 Unit. Each boiler will not be subject to emissionlimits in Tables 1, 2 or 11 through 13 or the operating limits in Table 4 of 40 CFR SubpartDDDDD. [40 CFR §63.7500(e)]DRAFTii. Each boiler operating as a Gas 1 unit, may only burn ULSD for the following reasons:[40 CFR §63.7575](A)For periodic testing of liquid fuel, maintenance or operator training, not to exceed 48 hoursduring any calendar year; and(B)During periods of natural gas curtailment or gas supply interruption of any duration.iii. The Permittee must conduct a tune-up of the units every five years as specified in 40 CFR§63.7540.

Sikorsky Aircraft Corporation (Sikorsky)'s main plant, located at 6900 Main Street in Stratford, is used for the manufacture and overhaul/repair of military and commercial helicopters. The facility consists of 20 major buildings totaling approximately 2.4 million square feet, on 248.6 acres of land. Sikorsky is a

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C. 29 CFR 1910.119, Process Safety Management of Highly Hazardous Chemicals D. 29 CFR 1910.120, Hazardous Waste Operations and Emergency Response E. 29 CFR 1910.157, Portable Fire Extinguishers F. 29 CFR 1910.160, Fixed Extinguishing Systems, General G. 29 CFR 1910.164, Fire Detection Systems H. 29 CFR 1910.165, Employee Alarm Systems

University of Chicago Center for Research Informatics REDCap Title 21 CFR Part 11 Guidance Manual 4 21 CFR Part 11 Overview Title 21 Code of Federal Regulations governs Food and Drugs. Part 11 is the Food and Drug Administration (FDA) guidelines on electronic records and electronic signat