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Iowa Department of Natural ResourcesTitle V Operating PermitName of Permitted Facility: Unverferth Manufacturing Company,Inc.Facility Location: 27612 Temple Ave., Shell Rock, Iowa 50670Air Quality Operating Permit Number: 00-TV- 022R3Expiration Date: March 24, 2024Permit Renewal Application Deadline: 9/24/2023EIQ Number: 92-5194Facility File Number: 12-04-005Responsible OfficialName: Mr. Michael Van MillTitle: Operations ManagerMailing Address: 27612 Temple Avenue, Shell Rock, IA 50670Phone #: (319) 885-6571mikev@unverferth.comPermit Contact Person for the FacilityName: Mr. Greg SteineckerTitle: Environmental/Safety SpecialistMailing Address: 601 South Broad Street, Kalida, OH 45853Phone #: (419) 532-3130, Ext 1331gregs@unverferth.comThis permit is issued in accordance with 567 Iowa Administrative Code Chapter 22, and is issuedsubject to the terms and conditions contained in this permit.For the Director of the Department of Natural ResourcesLori Hanson, Supervisor of Air Operating Permits SectionDateJHW13/25/2019, 00-TV-022R3
Table of ContentsI. Facility Description and Equipment List .4II. Plant - Wide Conditions .6III. Emission Point Specific Conditions .8IV. General Conditions.43G1. Duty to ComplyG2. Permit ExpirationG3. Certification Requirement for Title V Related DocumentsG4. Annual Compliance CertificationG5. Semi-Annual Monitoring ReportG6. Annual FeeG7. Inspection of Premises, Records, Equipment, Methods and DischargesG8. Duty to Provide InformationG9. General Maintenance and Repair DutiesG10. Recordkeeping Requirements for Compliance MonitoringG11. Evidence used in establishing that a violation has or is occurring.G12. Prevention of Accidental Release: Risk Management Plan Notification andCompliance CertificationG13. Hazardous ReleaseG14. Excess Emissions and Excess Emissions Reporting RequirementsG15. Permit Deviation Reporting RequirementsG16. Notification Requirements for Sources That Become Subject to NSPS and NESHAPRegulationsG17. Requirements for Making Changes to Emission Sources That Do Not Require Title VPermit ModificationG18. Duty to Modify a Title V PermitG19. Duty to Obtain Construction PermitsG20. AsbestosG21. Open BurningG22. Acid Rain (Title IV) Emissions AllowancesG23. Stratospheric Ozone and Climate Protection (Title VI) RequirementsG24. Permit ReopeningsG25. Permit ShieldG26. SeverabilityG27. Property RightsG28. TransferabilityG29. DisclaimerG30. Notification and Reporting Requirements for Stack Tests or Monitor CertificationG31. Prevention of Air Pollution Emergency EpisodesG32. Contacts ListJHW23/25/2019, 00-TV-022R3
V. Appendix A: 40 CFR Part 63, Subpart MMMM: Web Link to the National EmissionStandards for Hazardous Air Pollutants (NESHAP) Subpart MMMM – Surface Coating ofMiscellaneous Metal Parts and Products 57Abbreviationsacfm.actual cubic feet per minuteCFR .Code of Federal RegulationCE .control equipmentCEM .continuous emission monitoroF .degrees FahrenheitEIQ .emissions inventory questionnaireEP .emission pointEU .emission unitgr./dscf .grains per dry standard cubic footIAC .Iowa Administrative CodeIDNR .Iowa Department of Natural ResourcesMVAC.motor vehicle air conditionerNAICS.North American Industry Classification SystemNSPS .new source performance standardppmv .parts per million by volumelb./hr .pounds per hourlb./MMBtu .pounds per million British thermal unitsSCC .Source Classification Codesscfm .standard cubic feet per minuteSIC .Standard Industrial ClassificationTPY .tons per yearUSEPA .United States Environmental Protection AgencyPollutantsPM .particulate matterPM10 .particulate matter ten microns or less in diameterSO2 .sulfur dioxideNOx .nitrogen oxidesVOC .volatile organic compoundCO .carbon monoxideHAP.hazardous air pollutantJHW33/25/2019, 00-TV-022R3
I. Facility Description and Equipment ListFacility Name: Unverferth Manufacturing Company, Inc.Permit Number: 00-TV-022R3Facility Description: Farm machinery and equipment manufacturer (SIC3523)Equipment ListA. Paint on UnitNumberEmission Unit 2AEU-32CEU-32DPaint Booth #3-Paint CoatingPaint Booth #3-MEK FlushPaint Booth #3-Rust Inhibitor CoatingPaint Booth #4-Paint CoatingPaint Booth #4-MEK FlushPaint Booth #4-Rust Inhibitor CoatingPaint Booth #4 Cure Oven (in the booth)Paint Booth #5- Paint CoatingPaint Booth #5- MEK FlushPaint Booth #5- Rust Inhibitor CoatingIDNRConstructionPermit Number99-A-215-S399-A-216-S308-A-64011-A-612B. Permitted Cure OvensEmissionPointNumberEP-C1EP-C2Emission UnitNumberEmission Unit DescriptionEU-C1EU-C2Powder-Coat Cure OvenPaint Line #3 Cure OvenIDNRConstructionPermit Number97-A-533-S299-A-218-S1C. Miscellaneous JHWEmission UnitNumberEmission Unit DescriptionEU-W3EU-W3CEU-W3EU-W3DFour Stage Washer-Stack 1-Washing SolutionFour Stage Washer-Propane Heater Stack 1Four Stage Washer-Stack 2-Washing SolutionFour Stage Washer-Propane Heater Stack 24IDNRConstructionPermit NumberN/AN/AN/AN/A3/25/2019, 00-TV-022R3
C. Miscellaneous Sources -D1EP-27EP-28EP-32BEP-38Emission UnitNumberEmission Unit -32BEU-38Gas Metal Arc Welding of Carbon SteelCaulkingClear Booth CoatingPaint KitchenManual Wash Bay 1Dry Off OvenWash BayDry Off OvenPaint Booth #5 Cure OvenPaint KitchenIDNRConstructionPermit AN/AN/AN/AInsignificant Activities Equipment ListInsignificant EmissionUnit T4JHWInsignificant Emission Unit DescriptionIndirect Fired Radiant Heaters (6 Units all 10 MMBtu/hr)Indirect Fired Radiant Heaters (6 Units all 10 MMBtu/hr)Indirect Fired Radiant Heaters (20 Units all 10 MMBtu/hr)Indirect Fired Radiant Heaters (2 Units all 10 MMBtu/hr)Indirect Fired Radiant Heaters (2 Units all 10 MMBtu/hr)Maintenance Portable WelderDirect Fired Air Make-Up Radiant Heater (1.275 MMBtu/hr)Plasma Arc Cutting TableWheelabrator Shot BlasterControlled Pyrolysis Cleaning FurnaceBystronics Laser Table (4,400 watt)Bystronics Laser Table (4,400 watt)Bystronics Laser Table (6,000 watt)Bystronics Laser Table (6,000 watt)Direct Fired Air Make-Up Radiant HeaterHigh Definition Plasma Table (South Bldg.)High Definition Plasma Table (Machine Shc.)Indirect Fired Radiant Heaters (4 units)Indirect Fired Radiant Heaters (12 units)Indirect Fired Radiant Heater (1 unit)Indirect Fired Radiant Heater (.2 MMBtu/hr)Indirect Fired Radiant Heater (.2 MMBtu/hr)Indirect Fired Radiant Heater (2.971 MMBtu/hr)Direct Fired Air Make-Up Radiant HeaterPlasma Arc Cutting Table-Dry (100 amp)Plasma Arc Cutting Table-Dry (40 amp)1900 gal Diesel Tank1000 gal Diesel TankPropane Tanks (18,250 gal & 30,000 gal)53/25/2019, 00-TV-022R3
II. Plant-Wide ConditionsFacility Name: Unverferth Manufacturing Company, Inc.Permit Number: 00-TV-022R3Permit conditions are established in accord with 567 Iowa Administrative Code rule 22.108Permit DurationThe term of this permit is: Five (5) years.Commencing on: March 25, 2019Ending on: March 24, 2024Amendments, modifications and reopenings of the permit shall be obtained in accordance with567 Iowa Administrative Code rules 22.110 - 22.114. Permits may be suspended, terminated, orrevoked as specified in 567 Iowa Administrative Code Rules 22.115.Emission LimitsUnless specified otherwise in the Source Specific Conditions, the following limitations andsupporting regulations apply to all emission points at this plant:Opacity (visible emissions): 40% opacityAuthority for Requirement: 567 IAC 23.3(2)"d"Sulfur Dioxide (SO2): 500 parts per million by volumeAuthority for Requirement: 567 IAC 23.3(3)"e"Particulate Matter:No person shall cause or allow the emission of particulate matter from any source in excess ofthe emission standards specified in this chapter, except as provided in 567 – Chapter 24. Forsources constructed, modified or reconstructed on or after July 21, 1999, the emission ofparticulate matter from any process shall not exceed an emission standard of 0.1 grain per drystandard cubic foot of exhaust gas, except as provided in 567 – 21.2(455B), 23.1(455B),23.4(455B) and 567 – Chapter 24.For sources constructed, modified or reconstructed prior to July 21, 1999, the emission ofparticulate matter from any process shall not exceed the amount determined from Table I, oramount specified in a permit if based on an emission standard of 0.1 grain per standard cubicfoot of exhaust gas or established from standards provided in 23.1(455B) and 23.4(455B).Authority for Requirement: 567 IAC 23.3(2)"a"Fugitive Dust: Attainment and Unclassified Areas - A person shall take reasonable precautionsto prevent particulate matter from becoming airborne in quantities sufficient to cause a nuisanceas defined in Iowa Code section 657.1 when the person allows, causes or permits any materialsto be handled, transported or stored or a building, its appurtenances or a construction haul road toJHW63/25/2019, 00-TV-022R3
be used, constructed, altered, repaired or demolished, with the exception of farming operations ordust generated by ordinary travel on unpaved roads. Ordinary travel includes routine traffic androad maintenance activities such as scarifying, compacting, transporting road maintenancesurfacing material, and scraping of the unpaved public road surface. (the preceding sentence isState Only) All persons, with the above exceptions, shall take reasonable precautions to preventthe discharge of visible emissions of fugitive dusts beyond the lot line of the property on whichthe emissions originate. The public highway authority shall be responsible for taking correctiveaction in those cases where said authority has received complaints of or has actual knowledge ofdust conditions which require abatement pursuant to this subrule. Reasonable precautions mayinclude, but not be limited to, the following procedures.1. Use, where practical, of water or chemicals for control of dusts in the demolition ofexisting buildings or structures, construction operations, the grading of roads or theclearing of land.2. Application of suitable materials, such as but not limited to asphalt, oil, water orchemicals on unpaved roads, material stockpiles, race tracks and other surfaces which cangive rise to airborne dusts.3. Installation and use of containment or control equipment, to enclose or otherwise limit theemissions resulting from the handling and transfer of dusty materials, such as but notlimited to grain, fertilizer or limestone.4. Covering, at all times when in motion, open-bodied vehicles transporting materials likelyto give rise to airborne dusts.5. Prompt removal of earth or other material from paved streets or to which earth or othermaterial has been transported by trucking or earth-moving equipment, erosion by water orother means.6. Reducing the speed of vehicles traveling over on-property surfaces as necessary tominimize the generation of airborne dusts.Authority for Requirement: 567 IAC 23.3(2)"c"40 CFR 63 Subpart MMMMThe coating operations (which includes cleaning, coating application, and drying) and storagecontainers and mixing vessels for the coatings and thinners are subject to the National EmissionStandards for Hazardous Air Pollutants (NESHAP) Subpart MMMM – Surface Coating ofMiscellaneous Metal Parts and ProductsAuthority for Requirement: 40 CFR 63 Subpart MMMM567 IAC 23.1(4)"cm"JHW73/25/2019, 00-TV-022R3
III. Emission Point-Specific ConditionsFacility Name: Unverferth Manufacturing Company, Inc.Permit Number: 00-TV-022R3Emission Point ID Number: See Table: Paint BoothsAssociated EquipmentAssociated Emission Unit ID Numbers: See Table: Paint BoothsEmissions Control Equipment ID Number: See Table: Paint BoothsEmissions Control Equipment Description: See Table: Paint BoothsTable: Paint BoothsEmissionPointNumberAssociatedEmissionUnit NumberEmission UnitDescriptionEU-3APaint Booth #3Paint CoatingControlControlEquipment t Booth #3MEK FlushPaint Booth #3Rust InhibitorCoatingCE-3Dry TypePaint FiltersRatedCapacityHighSolidsPaint &CatalystMEK41.2 gal/hrRustInhibitorPaint Booth #4Paint CoatingPaint Booth #4MEK FlushPaint Booth #4Rust InhibitorCoatingPaint Booth #4Cure Oven(in the booth)CE-4Dry TypePaint FiltersHighSolidsPaint &CatalystMEK41.2 gal/hrRustInhibitorN/AN/APaint Booth #5Paint CoatingPaint Booth #5MEK FlushPaint Booth #5Rust InhibitorCoatingRawMaterialCE-32Dry TypePaint FiltersPropane1.00MMBtu/hrHighSolidsPaint &CatalystMEK48 gal/hrRustInhibitor83/25/2019, 00-TV-022R3
Applicable RequirementsEmission Limits (lb./hr, gr./dscf, lb./MMBtu, % opacity, etc.)The emissions from these emission points shall not exceed the levels specified below.Table: Paint Booths-Emission atedEmission AEU-32CEU-32DOpacityLimit567 IAC23.3(2)"d"PM Limit(lb/hr)PM10Limit(lb/hr)Authority forRequirement(Construction )(1)An exceedence of the indicator opacity of (10%) will require the owner/operator to promptly investigate theemission unit and make corrections to operations or equipment associated with the exceedence. If exceedencescontinue after the corrections, the DNR may require additional proof to demonstrate compliance (e.g., stack testing).(2)An exceedence of the indicator opacity of no visible emissions will require the owner/operator to promptlyinvestigate the emission unit and make corrections to operations or equipment associated with the exceedence. Ifexceedences continue after the corrections, the DNR may require additional proof to demonstrate compliance (e.g.,stack testing).Additional Emission Limits:Pollutant: Particulate MatterEmission Limit(s): 0.01 gr/scfAuthority for Requirement: 567 IAC 23.4(13)DNR Construction Permits specified in Table: Paint BoothsEmission LimitsVolatile Organic Compounds (VOC)Emission Limit(s): 225.0 tons/yr (3)Authority for Requirement: DNR Construction Permits specified in Table: Paint BoothsEmission Limits(3)12-month rolling total facility-wide limit. Limit does not include VOC emissions from powder coating andcombustion sources located at this facility.JHW93/25/2019, 00-TV-022R3
NESHAP RequirementsThese sources are subject to the National Emission Standards for Hazardous Air Pollutants(NESHAP) Subpart MMMM – Surface Coating of Miscellaneous Metal Parts and Products (40CFR §63.3880 through 40 CFR §63.3981) and to NESHAP Subpart A - General Provisions (40CFR §63.1 through 40 CFR §63.15).Authority for Requirement: 40 CFR 63 Subpart MMMM567 IAC 23.1(4)"cm"Operational Limits & RequirementsThe owner/operator of this equipment shall comply with the operational limits and requirementslisted below.Process throughput: For EP-3A, EP-3B and EP-41. The owner or operator is limited to using four spray guns of a maximum capacity of 41.2gallons per hour in each paint booth.2. The owner or operator shall meet all the applicable requirements of 40 CFR Part 63Subpart MMMM, National Emission Standards for Hazardous Air Pollutants (NESHAP)for Surface Coating of Miscellaneous Metal Parts and Products, including those notspecifically mentioned in section for emphasis.3. The owner or operator shall meet all the applicable emission limitations specified in 40CFR Part 63.3890, as required by Subpart MMMM, National Emission Standards forHazardous Air Pollutants (NESHAP) for Surface Coating of Miscellaneous Metal Partsand Products.Authority for Requirement: DNR Construction Permits 99-A-215-S3, 99-A-216-S3 and08-A-640.Process throughput for EP-321. The operator is limited to using four spray guns, each having a maximum capacity of 12gallons per hour, in this spray booth.2. The facility has elected to demonstrate compliance with the requirements of 40 CFR 63Subpart MMMM through the use of compliant material. As such, per §63.3890(b)(1) theorganic HAP limit for the coatings of use in this paint booth shall be limited to 2.6pounds per gallon of coating solids.Authority for Requirement: DNR Construction Permit 11-A-612Control equipment parameters:1.The owner or operator shall operate and maintain the dry filters for these paint booths inaccordance with the manufacturer’s specifications.Authority for Requirement: DNR Construction Permits specified in Table: Paint BoothsEmission LimitsJHW103/25/2019, 00-TV-022R3
Reporting & Recordkeeping: All records as required by this permit shall be kept on-site for aminimum of five (5) years and shall be available for inspection by the DNR. Records shall belegible and maintained in an orderly manner.1. The owner or operator shall maintain a specification sheet for each spray gun used inthe paint booths to verify the capacity of each gun.2. The owner or operator shall maintain records on the maintenance and repair of the dryfilters for these paint booths.Authority for Requirement: DNR Construction Permits specified in Table: Paint Booths– Emission Point Characteristics1. The owner or operator must keep all applicable records required by Subpart MMMM,National Emission Standards for Hazardous Air Pollutants (NESHAP) for SurfaceCoating of Miscellaneous Metal Parts and Products, as specified in 63.3930.2. The owner or operator shall demonstrate compliance with the applicable emissionlimitations specified in Subpart MMMM, National Emission Standards for HazardousAir Pollutants (NESHAP) for Surface Coating of Miscellaneous Metal Parts andProducts, as specified in 63.3930.3. The owner or operator shall maintain a copy of the Material Data Safety Sheet(MSDS) or other product information showing the VOC content for materials used inthese paint booths.4. The owner or operator shall record daily the amount of each VOC containing materialused at this facility (Plant Number: 12-04-005), excluding materials used incombustion and powder coating, in gallons. For the purpose of calculating emissionsall VOC-containing materials may be considered emitted on the day they aredelivered to the plant.5. The owner or operator shall calculate the VOC emissions from all operationsexcluding emissions from powder coating and combustion sources, in tons, for thisfacility (Plant Number: 12-04-005) on a monthly basis and keep a 12-month rollingtotal. Records for VOC emissions shall be kept on a monthly basis until the VOCemissions exceed 200.0 tons/yr. At this point the owner or operator shallimmediately begin keeping a 365-day rolling total amount of VOC emitted at PlantNumber 12-04-005. Calculation requirement
40 CFR 63 Subpart MMMM The coating operations (which includes cleaning, coating application, and drying) and storage containers and mixing vessels for the coatings and thinners are subject to the National Emission Standards for Hazardous Air Pollutants (NESHAP) Subpart MMMM –
