Eastern Research Group, Inc. 2017 Texas Statewide Aircraft Emissions Inventory Final Draft Prepared for: Texas Commission on Environmental Quality Air Quality Division Prepared by: Eastern Research Group, Inc. May 13, 2019 ERG No. 0345.00.002 2017 TEXAS STATEWIDE AIRCRAFT EMISSIONS INVENTORY TCEQ Contract No. 582-15-50416 Work Order No. 582-18-82508-19 Prepared for: Cody McLain Texas Commission on Environmental Quality Bldg. E, Room 335S Austin, Texas 78711-3087 Austin, TX Prepared by: Eastern Research Group, Inc. 1600 Perimeter Park Drive Suite 200 Morrisville, North Carolina 27560 May 13, 2019 Table of Contents 1.0 Executive Summary ............................................................................................ 1-1 2.0 Introduction ....................................................................................................... 2-1 2.1 Purpose and Objectives ........................................................................... 2-1 2.2 Background ............................................................................................. 2-1 3.0 Data Sources of Texas Airport Activities Inventoried ....................................... 3-1 3.1 National Data Sources of Texas Airport Activities ................................. 3-1 3.1.1 T-100 Dataset ............................................................................... 3-1 3.1.2 TAF Dataset .................................................................................. 3-1 3.1.3 5010 Dataset ................................................................................. 3-2 3.2 Contacting Airports ................................................................................. 3-2 3.2.1 Summary of Local Data Received ................................................ 3-3 4.0 Summary of 2017 Emissions Development ....................................................... 4-1 4.1 Emission Estimation Methodology ........................................................ 4-1 4.1.1 Aircraft Specific Estimation Methodology (AEDT) ..................... 4-1 4.1.2 Generic Emissions Estimating Procedures .................................. 4-2 4.1.3 Controlled and Uncontrolled 2017 Base Year Inventory ............. 4-3 4.1.4 Calculating Summer Daily Emissions .......................................... 4-3 4.2 Summary of Texas Airport Emissions .................................................... 4-4 4.3 Future Considerations ............................................................................ 4-8 5.0 References ........................................................................................................... 5-1 Appendix A TCEQ 2017 Call Log ................................................................................... A-1 Appendix B 2017 Local Operations Submitted as Monthly Totals by Aircraft Type .. B-1 Appendix C 2017 Local Operations Submitted by Aircraft Type.................................. C-1 Appendix D Full County Controlled Emissions ............................................................ D-1 Appendix E Full County Uncontrolled Emissions ........................................................ E-1 Appendix F Statewide Annual LTOs ............................................................................. F-1 Appendix G Quality Assurance ..................................................................................... G-1 i List of Tables Table 3-1. Summary of 2017 Data Provided by Local Airports* ......................................3-4 Table 3-2a. 2017 Operations Data: Submitted as Annual Totals ....................................3-6 Table 3-2b. 2017 LTO Data: Submitted as Annual Totals ...............................................3-6 Table 3-3. 2017 Annual Operations Data: Submitted as Annual Totals by Generic Aircraft Type Categories ...................................................................................................3-6 Table 3-4a. Corpus Christi International Airport 2017 Operations Data: Submitted as Monthly Totals by Generic Aircraft Type Categories ...................................................... 3-7 Table 3-4b. Scholes International Airport at Galveston 2017 Operations Data: Submitted as Monthly Totals by Generic Aircraft Types................................................................... 3-7 Table 3-4c. Hale County Airport 2017 Operations Data: Submitted as Monthly Totals by Generic Aircraft Types......................................................................................................3-9 Table 3-5. 2017 Taxi Time Estimates ............................................................................. 3-10 Table 3-6. 2017 Control Strategy Reductions ................................................................ 3-11 Table 3-7. 2017 Data Source Comparison ...................................................................... 3-11 Table 3-8. Comparison of Local Data Collected in 2014 and 2017 ............................... 3-12 Table 4-1. Emission Factors for Aircraft Types (pounds per LTO) .................................4-3 Table 4-2. Controlled and Uncontrolled Statewide Annual Criteria Emissions (Tons Per Year) ................................................................................................................................ 4-4 Table 4-3. Controlled Statewide Annual Criteria Emissions by Type (Tons Per Year) .. 4-5 Table 4-4. Uncontrolled Statewide Annual Criteria Emissions by Type (Tons Per Day) . 4- 6 Table 4-5. Controlled Annual Criteria Emission for Top 25 Counties (Tons Per Year) 4-6 Table 4-6. Uncontrolled Annual Criteria Emission for Top 25 Counties (Tons Per Year) .......................................................................................................................................... 4-7 Table A-1. TCEQ 2017 Call Log ........................................................................................ A-1 Table B-1. Austin-Bergstrom International Airport 2017 Operations Data: Submitted as Monthly Totals by Aircraft Type ...................................................................................... B-1 Table C-1. Curtis Field Airport 2017 Operations Data: Submitted as Annual LTOs by Aircraft Type ..................................................................................................................... C-1 Table C-2. Dallas/Fort Worth International Airport 2017 LTOs and 2017 Summer Day LTOs: Airport Submitted by Specific Aircraft Type........................................................ C-6 Table C-3. Smithville Crawford Municipal Airport 2017 LTOs: Submitted by Specific Aircraft Type .................................................................................................................... C-7 Table C-4. San Angelo Regional Airport 2017 LTOs: Submitted by Specific Aircraft Type ......................................................................................................................................... C-8 Table D-1. Controlled Annual Criteria Emission by County (Tons Per Year) ................ D-1 Table E-1. Uncontrolled Annual Criteria Emission by County (Tons Per Year) ............. E-1 Table F-1. Statewide Annual LTOs ................................................................................... F-1 Table G-1. Counties with the Highest Absolute Percent Changes in Emissions ............ G-7 ii Table G-2. Airports with the Highest Absolute Percent Changes in Emissions Within the Previously Identified Counties ........................................................................................ G-8 Table G-3. Example Comparison for 2011 Inventory between AEDT and EDMS at the Airport, Aircraft, Engine, and Pollutant Level .............................................................. G-10 Table G-4. SCCs With the Highest Absolute Percent Change in Emissions Within the Previously Identified Airport/County Combinations ................................................... G-12 Table G-5. Airport/SCC Combinations Within the Top 25 Airports with the Highest Activity ........................................................................................................................... G-13 Table G-6. Comparison of Revised Military Criteria Emission Factors1 to the Previous Generic Military Emission Factors2 (tons/LTO)* ........................................................ G-20 Table G-7. Comparison to Confirm All Aircraft Were Included in the New Inventory G-21 Table G-8. Airports in the 2011 Inventory that were not included in the 2017 Inventory (closed) .......................................................................................................................... G-29 Table G-9. Airports (Opened) in 2017 That Did Not Have Activity in 2011 ................. G-31 Table G-10. Counties with The Highest Absolute Percent Changes in Emissions ....... G-42 Table G-11. Airports with the Highest Absolute Percent Changes in Emissions Within the Previously Identified Counties ................................................................................ G-44 Table G-12. SCCs With the Highest Absolute Percent Change in Emissions Within the Previously Identified Airport/County Combinations ................................................... G-45 Table G-13. Airport/SCC Combinations Within the Top 25 Airports the Highest Activity ....................................................................................................................................... G-46 Table G-14. Comparison to Confirm All Aircraft Were Included in AEDT Run .......... G-54