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AQ_F_0900009_20220113_EI_FacEILtr ROY COOPER `' Governor ELIZABETH S. BISER Secretary s QQUW MICHAELA.ABRACZINSKAS NORTH CAROLINA Director Environmental Quality January 13, 2022 Ms. Dawn Hughes, Plant Manager Chemours Company- Fayetteville Works 22828 NC Highway 87 West Fayetteville,NC 28306 SUBJECT: Required Annual Point Source Air Pollutant Emissions Inventory for Calendar Year 2021 Chemours Company- Fayetteville Works Air Quality Permit No. 03735T48 Facility ID: 0900009, Fayetteville, Bladen County Dear Ms. Hughes: All Title V facilities, and others receiving this notice, are required to provide a point source air emissions inventory, quantifying actual air pollutant emissions for calendar year(CY)2021, under the authority of Title 15A NCAC 2Q.0207 and 2D.0202,and as a condition of the operating permit. Your facility data will be available in Air Emissions Reporting Online(AERO)on February 14,2022. You must complete and submit the report even if.- 1)your facility has been modified recently such that the permit classification has changed, 2)you anticipate such changes, or 3)your facility did not operate in CY 2021. Please note that reporting of estimates of greenhouse gases to NC Division of Air Quality(DAQ)for CY 2021 is voluntary. Carbon dioxide,methane, and other greenhouse gases are included in the DAQ pollutant list. Guidance on estimating these emissions can be found on NC DAQ's webpage, https:Hdeq.nc.gov/media/7502/download. The DAQ's Internet-based reporting tool,AERO, may be accessed at https://xapps.ncdenr.org/aq/aero/. AERO may also be accessed on the DAQ webpage by scrolling down the page to the AERO quicklink or selecting the "Emissions Inventory" Program link. You will need to use your unique User Id: and PIN: when you logon to AERO. This process protects the information so that only you or your authorized representative (and assigned DAQ staff) may access,view, and update the information. It is your responsibility to control the use of this unique PIN. We continue to make improvements to the system as resources allow and encourage you to continue to give us ideas and suggestions to make this process more efficient. Beginning with CY2020,the emission estimation code list has been expanded to be consistent with US EPA's emission estimation code list. Please update these codes where appropriate. The US EPA has made significant changes to how controls are reported to their emission inventory system. Please consult your regional office representtative when making changes to control systems. North Carolina Department of Environmental Quality I Division of Air Quality Fayetteville Regional Office I Systel Building,225 Green Street,Suite 714 1 Fayetteville,NC 28301-5094 ir. D�EQ 910 433 3300 T 1910 485 7467 F no�r:H C,aRGLNNa 0"Wbm"I of Ow"M e"Qw ity Ms. Dawn Hughes January 13, 2022 Page 2 You may make updates to your data from the previous year and submit the data online through AERO. If there are significant changes in emission values, it would be helpful to the DAQ reviewer if you would include comments noting the reason(s)for the differences. Prior to adding emission sources through AERO, it may be beneficial to contact the appropriate regional office to discuss the necessity of including these sources. You are reminded that the CY 2020 emissions data for sources included in the Insignificant Activities list attached to your permit can be carried forward to CY 2021 if no significant emission changes have occurred. Pre-filled, site-specific forms for your facility are also available to print from AERO, but we highly encourage use of the online capabilities for data submittal. If you do not have access to a computer or to the Internet,please contact Stephen Allen of the DAQ Fayetteville Regional Office at 910-433-3300 to request assistance. When updating online,you must complete the "submit"process in AERO, and provide a paper Certification Form with the submittal date and time stamp at the top of the form(signed by the legally responsible official in blue ink)along with the supporting documentation and emission calculations to the appropriate regional office. The facility is responsible for ensuring that the AERO(electronic)submittal is completed and that all forms and supporting documentation are mailed(postmarked)by June 30,2022 to the address below. If you choose to submit via paper forms,you must submit one complete original packet including an Emission Source/Operating Scenario form for each emission source or emission source group, a silted Certification form, supporting documentation and emission calculations; postmarked no later than June 30, 2022 to: Air Emissions Inventory Fayetteville Regional Office Systel Building 225 Green Street. Suite 714 Fayetteville,NC 28301-5094 Incomplete submittals will not be accepted. Extensions are not normally granted. Facsimiles(faxes) or e-mails will not be accepted as an original submittal. Sources failing to comply by the stated deadline may be subject to enforcement action. If submitting paper forms or the certification form that includes the submittal date and time stamp with supporting documentation and calculations via US mail or a private carrier, we strongly urge that you use certified or tracked mail, so you have a record should there be any question or dispute regarding its timely receipt. Sincerely, Original signed with Director electronic signature Michael A.Abraczinskas,Director Division of Air Quality,NCDEQ cc: Fayetteville Regional Office Files