AIR OPERATING PERMIT pscleanair.org Puget Sound Clean Air Agency Puget Sound Clean Air Agency 1904 3rd Ave, Suite 105 Seattle, Washington 98101 Issued in accordance with the provisions of Puget Sound Clean Air Agency (previously known as Puget Sound Air Pollution Control Agency (PSAPCA)) Regulation I, Article 7 and Chapter 173- 401 WAC. Pursuant to Puget Sound Clean Air Agency Regulation I, Atiicle 7 and Chapter 173-401 WAC, Boeing Commercial Airplane Group Auburn is authorized to operate subject to the terms and conditions in this permit. PERMIT NO.: 13117 DATE OF ISSUANCE: February 2, 2004; Administrative Amendments: May 12, 2004, June 29, 2006, August 25, 2006, March 9, 2010, November 16, 2011, August 13, 2015 and February 27, 2020 ISSUED TO: Boeing Commercial Airplane Group Auburn PERMIT EXPIRATION DATE: February 2, 2009 SIC Code, Primary: 3728 NAICS Code 336413 Nature of Business: Other Aircraft Part and Auxiliary Equipment Manufacturing Mailing Address: PO Box 3707, MC SA-214, Seattle, WA 98124 Facility Address: 700 15th Street Southwest, Auburn, WA 98002 Responsible Official: Melissa Fleener, Auburn Site Executive Fabrication Division Telephone No.: (206) 854-8926 Site Contact: Michael Verhaar, Environmental Mgr Fabrication Division Telephone No.: (425) 234-6903 FAX No. : (253) 237-1419 Puget Sound Clean Air Agency Approval: k~.v~Q ~ ~ Carole Cenci, P.E Reviewing Engineer Compliance Manager Permit No. 13117 Expiration Date: 02/02/2009 Page 2 of 195 TABLE OF CONTENTS I. EMISSION LIMITS AND PERFORMANCE STANDARDS ....................................................................... 4 A. FACILITY-WIDE APPLICABLE REQUIREMENTS ................................................................................... 5 B. EMISSION UNIT SPECIFIC APPLICABLE REQUIREMENTS ................................................................ 15 1. Chemical Process Tankline Operations ................................................................................................... 16 2. Aerospace Coating, Cleaning, Chemical Milling- Maskant, and Depainting Operations ....................... 25 3. Non-aerospace Parts Surface Coating Operations .................................................................................. 65 4. NSPS - Fuel Burning Equipment .............................................................................................................. 74 5. Non NSPS - Fuel Burning Equipment ...................................................................................................... 85 6. Waste Water Pre-treatment Operations .................................................................................................... 93 7. Cyclones, Baghouses, and Other Particulate Control Operations ........................................................... 99 8. Abrasive Blasting Operations ................................................................................................................. 111 9. Composite and Resin Processing Operations ......................................................................................... 113 10. Motor Vehicle Fueling Operations .................................................................................................... 115 11. Storage Tanks .................................................................................................................................... 118 12. Drying and Curing Operations .......................................................................................................... 120 13. Wood Furniture ................................................................................................................................. 122 14. NO2 and H2S scrubbers ...................................................................................................................... 123 C. OPERATIONS WITHOUT SPECIFIC APPLICABLE REQUIREMENTS .................................................................... 126 II. MONITORING, MAINTENANCE AND RECORDKEEPING PROCEDURES .................................... 133 A. MINIMUM MONITORING AND MAINTENANCE REQUIREMENTS ..................................................................... 133 1. Facility-Wide Monitoring ....................................................................................................................... 133 2. Specific Monitoring ................................................................................................................................ 137 B. OPERATION AND MAINTENANCE (O&M) PLAN REQUIREMENTS .................................................................. 154 III. PROHIBITED ACTIVITIES ................................................................................................................... 155 A. ADJUSTMENT FOR ATMOSPHERIC CONDITIONS ............................................................................................ 155 B. OPEN BURNING ............................................................................................................................................ 155 C. REFUSE BURNING ......................................................................................................................................... 155 D. CONCEALMENT & CIRCUMVENTION ............................................................................................................. 155 1. General ................................................................................................................................................... 155 2. NSPS ....................................................................................................................................................... 156 3. NESHAP ................................................................................................................................................. 156 E. MASKING ..................................................................................................................................................... 156 F. AMBIENT STANDARDS .................................................................................................................................. 156 IV. ACTIVITIES REQUIRING ADDITIONAL APPROVAL .................................................................... 157 A. NEW SOURCE REVIEW .................................................................................................................................. 157 B. REPLACEMENT OR SUBSTANTIAL ALTERATION OF EMISSION CONTROL TECHNOLOGY ................................ 157 C. ASBESTOS .................................................................................................................................................... 157 D. SPRAY COATING ........................................................................................................................................... 157 V. STANDARD TERMS AND CONDITIONS ................................................................................................ 163 A. DUTY TO COMPLY ........................................................................................................................................ 163 B. PERMIT ACTIONS .......................................................................................................................................... 163 C. PROPERTY RIGHTS ........................................................................................................................................ 163 D. DUTY TO PROVIDE INFORMATION ................................................................................................................. 163 Boeing Auburn Operating Permit, Administrative Amendment, February 27, 2020 Permit No. 13117 Expiration Date: 02/02/2009 Page 3 of 195 E. PERMIT FEES ................................................................................................................................................ 163 F. EMISSIONS TRADING ..................................................................................................................................... 164 G. SEVERABILITY .............................................................................................................................................. 164 H. PERMIT APPEALS .......................................................................................................................................... 164 I. PERMIT CONTINUATION ................................................................................................................................ 164 J. FEDERAL ENFORCEABILITY .......................................................................................................................... 164 K. INSPECTION AND ENTRY ............................................................................................................................... 164 L. COMPLIANCE REQUIREMENTS ...................................................................................................................... 165 M. COMPLIANCE CERTIFICATIONS ...................................................................................................................... 165 N. COMPLIANCE DETERMINATION ..................................................................................................................... 166 1. Emission Testing - General .................................................................................................................... 166 2. Credible Evidence .................................................................................................................................