HGB: Latest Ozone Planning Activities

Last updated: 5/31/2023

The SIP files on this page are hosted by the Texas Records and Information Locator (TRAIL) web archive . If you need assistance with a file, please contact siprules@tceq.texas.gov.

Proposed HGB Moderate Classification Attainment Demonstration (AD) State Implementation Plan (SIP) Revision for the 2015 Eight-Hour Ozone NAAQS

On May 31, 2023, the commission approved proposal of the HGB Moderate Area AD SIP Revision for the 2015 Eight-Hour Ozone NAAQS (Non-Rule Project No. 2022-022-SIP-NR). The proposed SIP revision includes a photochemical modeling analysis, a weight of evidence analysis, a reasonably available control technology analysis, a reasonably available control measures analysis, motor vehicle emissions budgets for 2023, and a contingency plan.

The public comment period will open on June 2, 2023 and close on July 17, 2023. A public hearing will be held for the proposed SIP revision on July 11, 2023 at 7:00 p.m. at the Houston-Galveston Area Council, 3555 Timmons Lane #100, Houston, Texas. The hearing will be conducted in English, and Spanish language interpretation services will be made available. For more information, please visit the Proposed SIP Revisions and Public Hearing Information section of the Texas SIP Revisions webpage.

• Proposed HGB Moderate Area AD SIP Revision for the 2015 Eight-Hour Ozone NAAQS
  • Plain Language Summary of the 2015 Moderate Ozone Attainment Plan for the HGB Area
  • Resumen en Lenguaje Sencillo del Plan de Logro de Ozono Moderado 2015 para el Área de HGB
• Appendices
  • Appendix A: Modeling Technical Support Document (TSD) (2022-022-SIP-NR proposal)
  • Appendix B: Conceptual Model for the Houston-Galveston-Brazoria Nonattainment Area for the 2015 Eight-Hour Ozone National Ambient Air Quality Standard (2022-022-SIP-NR proposal)
  • Appendix C: Inspection and Maintenance (I/M) Program Performance Standard Modeling (PSM) for the Existing I/M Program in the Houston-Galveston-Brazoria Six-County 2015 Ozone National Ambient Air Quality Standard Nonattainment Area (2022-022-SIP-NR proposal)
  • Appendix D: Reasonably Available Control Technology Analysis (2022-022-SIP-NR proposal)
  • Appendix E: Local Initiatives Submitted by the Houston-Galveston Area Council: Existing and Future Houston-Galveston-Brazoria Mobile Emission Reduction Measures (2022-022-SIP-NR proposal)

Proposed Dallas-Fort Worth (DFW) and HGB Moderate Areas Reasonable Further Progress (RFP) SIP Revision for the 2015 Eight-Hour Ozone NAAQS

On May 31, 2023, the commission approved proposal of the DFW and HGB Moderate Areas RFP SIP Revision for the 2015 Eight-Hour Ozone NAAQS (Non-Rule Project No. 2022-023-SIP-NR). The proposed RFP SIP revision would demonstrate that the DFW and HGB nonattainment areas will achieve emissions reductions in ozone precursors, volatile organic compounds (VOC) and/or nitrogen oxides (NO_X), consistent with the moderate ozone nonattainment area requirements of federal Clean Air Act (FCAA), §182(b)(1)(A) and the 2015 eight-hour ozone NAAQS SIP requirements. In addition to demonstrating the required emissions reductions, this proposed SIP revision would also provide motor vehicle emissions budgets for the 2023 attainment year.

The public comment period will open on June 2, 2023 and close on July 17, 2023. Two public hearings will be held for the proposed RFP SIP revision. The first will be held on July 6, 2023 at 7:00 p.m. at the Arlington City Council Chambers, 101 West Abram Street, Arlington, Texas. The second will be held July 11, 2023 at 7:00 pm at the Houston-Galveston Area Council, 3555 Timmons Lane #100, Houston, TX. The hearings will be conducted in English, and Spanish language interpretation services will be made available. For more information, please visit the Proposed SIP Revisions and Public Hearing Information section of the Texas SIP Revisions webpage.

• Proposed DFW and HGB Moderate Areas RFP SIP Revision for the 2015 Eight-Hour Ozone NAAQS
  • Plain Language Summary of the 2015 Moderate Ozone RFP Plan for the DFW and HGB Areas
  • Resumen en Lenguaje Sencillo del Plan de Progreso Adicional Razonable del Ozono Moderado 2015 para las Áreas de DFW y HGB
• Appendices
  • Appendix 1: Dallas-Fort Worth (DFW) Reasonable Further Progress (RFP) Demonstration Spreadsheet (2022-023-SIP-NR proposal)
  • Appendix 2: Houston-Galveston-Brazoria (HGB) Reasonable Further Progress (RFP) Demonstration Spreadsheet (2022-023-SIP-NR proposal)
  • Appendix 3: Growth Factors for Area and Point Sources (2022-023-SIP-NR proposal)
  • Appendix 4: Characterization of Oil and Gas Production Equipment and Develop a Methodology to Estimate Statewide Emissions (2022-023-SIP-NR proposal)
  • Appendix 5: Industrial, Commercial, and Institutional (ICI) Fuel Use Study (2022-023-SIP-NR proposal)
  • Appendix 6: 2020 EPA Volatile Chemical Product (VCP) Nonpoint Emissions Methodology and Operator (NEMO) instructions (Draft Solvents NEMO) (2022-023-SIP-NR proposal)
  • Appendix 7: Development of the Nonroad Model RFP Emissions Inventories for the HGB Six-County, DFW Nine-County, and Bexar County Ozone Nonattainment Areas (2022-023-SIP-NR proposal)
  • Appendix 8: 2014 Statewide Drilling Rig Emissions Inventory with Updated Trends Inventories (2022-023-SIP-NR proposal)
  • Appendix 9: 2020 Texas CMV Emissions Inventory and 2011 through 2050 Trend Inventories (2022-023-SIP-NR proposal)
  • Appendix 10: 2020 Texas Statewide Locomotive and Rail Yard Emissions Inventory and 2011 through 2050 Trend Inventories (2022-023-SIP-NR proposal)
  • Appendix 11: 2020 Texas Statewide Airport Emissions Inventory and 2011 through 2050 Trend Inventories (2022-023-SIP-NR proposal)
  • Appendix 12: Dallas-Fort Worth Motor Vehicle Emissions Simulator 3 (MOVES3)-Based Reasonable Further Progress On-road Inventories and Control Strategy Reductions for 2017, 2023, and 2024 (2022-023-SIP-NR proposal)
  • Appendix 13: Houston-Galveston-Brazoria (HGB) 2015-Eight-Hour Ozone Reasonable Further Progress On-Road Mobile Emissions Inventories (2022-023-SIP-NR proposal)

HGB Serious Classification AD SIP Revision for the 2008 Eight-Hour Ozone NAAQS

On March 4, 2020, the commission adopted the HGB Serious Classification AD SIP Revision for the 2008 Eight-Hour Ozone NAAQS (Non-Rule Project No. 2019-077-SIP-NR). The SIP revision includes a photochemical modeling analysis, a weight of evidence analysis, a reasonably available control technology analysis, a reasonably available control measures analysis, motor vehicle emissions budget for 2020, and a contingency plan.

• HGB Serious Classification AD SIP Revision
• Appendices
  • Appendix A: Meteorological Modeling for the DFW and HGB Attainment Demonstration SIP Revisions for the 2009 Eight-Hour Ozone Standard (Adopted 2020)
  • Appendix B: Emissions Modeling for the DFW and HGB Attainment Demonstration SIP Revisions for the 2008 Eight-Hour Ozone Standard (Adopted 2020)
  • Appendix C: Regional and Global Photochemical Modeling for the DFW and HGB Attainment Demonstration SIP Revisions for the 2008 Eight-Hour Ozone Standard (Adopted 2020)
  • Appendix D: Conceptual Model for the HGB Attainment Demonstration SIP Revision for the 2008 Eight-Hour Ozone Standard (Adopted 2020)
  • Appendix E: Modeling Protocol for the DFW and HGB Attainment Demonstration SIP Revisions for the 2008 Eight-Hour Ozone Standard (Adopted 2020)
  • Appendix F: Reasonably Available Control Technology Analysis (Adopted 2020)
  • Appendix G: Reasonably Available Control Measures Analysis (Adopted 2020)
  • Appendix H: Local Initiatives Submitted by the Houston-Galveston Area Council (Adopted 2020)

DFW and HGB Serious Classification RFP SIP Revision for the 2008 Eight-Hour Ozone NAAQS

On March 4, 2020, the commission adopted the DFW and HGB Serious Classification RFP SIP Revision for the 2008 Eight-Hour Ozone NAAQS (Non-Rule Project No. 2019-079-SIP-NR). To meet FCAA requirements, the RFP SIP revision includes an analysis of reasonable further progress toward attainment of the 2008 eight-hour ozone NAAQS, demonstrating a 9% emissions reduction in ozone precursors from January 1, 2018 through December 31, 2020, a 3% emissions reduction from January 1, 2021 through December 31, 2021 for attainment year RFP contingency, and RFP motor vehicle emissions budgets for the 2020 attainment year.

• DFW and HGB Serious Classification RFP SIP Revision for the 2008 Eight-Hour Ozone NAAQS
• Appendices
  • Appendix 1: DFW Reasonable Further Progress Demonstration Spreadsheet (Adopted 2020)
  • Appendix 2: HGB Reasonable Further Progress Demonstration Spreadsheet (Adopted 2020)
  • Appendix 3: Development of Reasonable Further Progress Point Source Emissions Inventories for DFW and HGB Nonattainment Areas (Adopted 2020)
  • Appendix 4: Growth Factors for Point and Area Sources (Adopted 2020)
  • Appendix 5: Characterization of Oil and Gas Production Equipment and Develop a Methodology to Estimate Statewide Emissions and Specified Oil and Gas Well Activities Emissions Inventory Update (Adopted 2020)
  • Appendix 6: Condensate Tank Oil and Gas Activities (Adopted 2020)
  • Appendix 7: Specified Oil and Gas Well Activities Emissions Inventory Update (Adopted 2020)
  • Appendix 8: 2014 Texas Statewide Drilling Rig Emissions Inventory with Updated Trend Inventories (Adopted 2020)
  • Appendix 9: 2014 Texas Statewide Commercial Marine Vessel Emissions Inventory and 2008 through 2040 Trend Inventories (Adopted 2020)
  • Appendix 10: 2014 Texas Statewide Locomotive Emissions Inventory and 2008 through 2040 Trend Inventories (Adopted 2020)
  • Appendix 11: Development of the Statewide Aircraft Inventory for 2011 (Adopted 2020)
  • Appendix 12: Development of the Statewide Aircraft Inventory for 2020 (Adopted 2020)
  • Appendix 13: Dallas-Fort Worth MOVES2014a-Based Reasonable Further Progress On-road Inventories and Control Strategy Reductions for 2011, 2017, 2018, 2020, and 2021 (Adopted 2020)
  • Appendix 14: Production of HGB Reasonable Further Progress On-Road Mobile Emissions Inventories (Adopted 2020)

Proposed HGB Serious Classification AD SIP Revision for the 2008 Eight-Hour Ozone NAAQS

On September 11, 2019, the commission approved proposal of the HGB Serious Classification AD SIP Revision for the 2008 Eight-Hour Ozone NAAQS (Non-Rule Project No. 2019-077-SIP-NR). The proposed SIP revision would include a photochemical modeling analysis, a weight of evidence analysis, a reasonably available control technology analysis, a reasonably available control measures analysis, motor vehicle emissions budget for 2020, and a contingency plan.

The public comment period opened on September 13, 2019 and closed on October 28, 2019. A public hearing on the proposed SIP revision was offered on October 14, 2019 at 2:00 p.m. in the Texas Department of Transportation District Office Auditorium, 7600 Washington Avenue, Houston, Texas.

• Proposed HGB Serious Classification AD SIP Revision
• Appendices
  • Appendix A: Meteorological Modeling for the DFW and HGB Attainment Demonstration SIP Revisions for the 2009 Eight-Hour Ozone Standard (Proposed 2019)
  • Appendix B: Emissions Modeling for the DFW and HGB Attainment Demonstration SIP Revisions for the 2008 Eight-Hour Ozone Standard (Proposed 2019)
  • Appendix C: Regional and Global Photochemical Modeling for the DFW and HGB Attainment Demonstration SIP Revisions for the 2008 Eight-Hour Ozone Standard (Proposed 2019)
  • Appendix D: Conceptual Model for the HGB Attainment Demonstration SIP Revision for the 2008 Eight-Hour Ozone Standard (Proposed 2019)
  • Appendix E: Modeling Protocol for the DFW and HGB Attainment Demonstration SIP Revisions for the 2008 Eight-Hour Ozone Standard (Proposed 2019)
  • Appendix F: Reasonably Available Control Technology Analysis (Proposed 2019)
  • Appendix G: Reasonably Available Control Measures Analysis (Proposed 2019)
  • Appendix H: Local Initiatives Submitted by the Houston-Galveston Area Council (Proposed 2019)

Proposed DFW and HGB Serious Classification RFP SIP Revision for the 2008 Eight-Hour Ozone NAAQS

On September 11, 2019, the commission approved proposal of the DFW and HGB Serious Classification RFP SIP Revision for the 2008 Eight-Hour Ozone NAAQS (Non-Rule Project No. 2019-079-SIP-NR). To meet Federal Clean Air Act requirements, the proposed RFP SIP revision would include an analysis of reasonable further progress toward attainment of the 2008 eight-hour ozone NAAQS, demonstrating a 9% emissions reduction in ozone precursors from January 1, 2018 through December 31, 2020, a 3% emissions reduction from January 1, 2021 through December 31, 2021 for attainment year RFP contingency, and RFP motor vehicle emissions budgets for the 2020 attainment year.

The public comment period opened on September 13, 2019 and closed on October 28, 2019. A public hearing on the proposed SIP revision was offered on October 14, 2019 at 2:00 p.m. in the Texas Department of Transportation District Office Auditorium, 7600 Washington Avenue, Houston, Texas. An additional public hearing was offered on October 17, 2019 at 2:00 p.m. in the Arlington City Council Chambers, 101 W. Abram Street, Arlington, Texas.

• Proposed DFW and HGB Serious Classification RFP SIP Revision for the 2008 Eight-Hour Ozone NAAQS
• Appendices
  • Appendix 1: DFW Reasonable Further Progress Demonstration Spreadsheet (Proposed 2019)
  • Appendix 2: HGB Reasonable Further Progress Demonstration Spreadsheet (Proposed 2019)
  • Appendix 3: Development of Reasonable Further Progress Point Source Emissions Inventories for DFW and HGB Nonattainment Areas (Proposed 2019)
  • Appendix 4: Growth Factors for Point and Area Sources (Proposed 2019)
  • Appendix 5: Characterization of Oil and Gas Production Equipment and Develop a Methodology to Estimate Statewide Emissions and Specified Oil and Gas Well Activities Emissions Inventory Update (Proposed 2019)
  • Appendix 6: Condensate Tank Oil and Gas Activities (Proposed 2019)
  • Appendix 7: Specified Oil and Gas Well Activities Emissions Inventory Update (Proposed 2019)
  • Appendix 8: 2014 Texas Statewide Drilling Rig Emissions Inventory with Updated Trend Inventories (Proposed 2019)
  • Appendix 9: 2014 Texas Statewide Commercial Marine Vessel Emissions Inventory and 2008 through 2040 Trend Inventories (Proposed 2019)
  • Appendix 10: 2014 Texas Statewide Locomotive Emissions Inventory and 2008 through 2040 Trend Inventories (Proposed 2019)
  • Appendix 11: Development of the Statewide Aircraft Inventory for 2011 (Proposed 2019)
  • Appendix 12: Development of the Statewide Aircraft Inventory for 2020 (Proposed 2019)
  • Appendix 13: Dallas-Fort Worth MOVES2014a-Based Reasonable Further Progress On-road Inventories and Control Strategy Reductions for 2011, 2017, 2018, 2020, and 2021 (Proposed 2019)
  • Appendix 14: Production of HGB Reasonable Further Progress On-Road Mobile Emissions Inventories (Proposed 2019)

HGB Redesignation Request and Maintenance Plan SIP Revision for the One-Hour and 1997 Eight-Hour Ozone NAAQS

On December 12, 2018, the commission adopted the HGB Redesignation Request and Maintenance Plan SIP Revision for the One-Hour and 1997 Eight-Hour Ozone NAAQS (Non-Rule Project No. 2018-026-SIP-NR). The SIP revision includes a request that the United States Environmental Protection Agency redesignate the HGB area to attainment for the one-hour and 1997 eight-hour ozone NAAQS and provides a maintenance plan that will ensure the area remains in attainment of the NAAQS through 2032.

• HGB One-Hour and 1997 Eight-Hour Ozone Redesignation Request and Maintenance Plan SIP Revision
• Appendices
  • Appendix A: Growth Factors for Area and Point Sources (Adopted 2018)
  • Appendix B: Characterization of Oil and Gas Production Equipment and Develop a Methodology to Estimate Statewide Emissions (Adopted 2018)
  • Appendix C: Condensate Tank Oil and Gas Activities (Adopted 2018)
  • Appendix D: Specified Oil & Gas Well Activities Emissions Inventory Update (Adopted 2018)
  • Appendix E: HGB Redesignation and Maintenance On-Road Mobile Emissions Inventories (Adopted 2018)
  • Appendix F: Aircraft Emissions Inventory for Texas Statewide 2014 AERR Inventory and 2008 through 2040 Trend Analysis Years (Adopted 2018)
  • Appendix G: 2014 Texas Statewide Locomotive Emissions Inventory and 2008 through 2040 Trend Inventories (Adopted 2018)
  • Appendix H: 2014 Texas Statewide Commercial Marine Vessel Emissions Inventory and 2008 through 2040 Trend Inventories (Adopted 2018)
  • Appendix I: 2014 Texas Statewide Drilling Rig Emissions Inventory with Updated Trend Inventories (Adopted 2018)

Proposed HGB Redesignation Request and Maintenance Plan SIP Revision for the One-Hour and 1997 Eight-Hour Ozone NAAQS

On September 5, 2018, the commission approved for proposal the HGB Redesignation Request and Maintenance Plan SIP Revision for the One-Hour and 1997 Eight-Hour Ozone NAAQS (Non-Rule Project No. 2018-026-SIP-NR). The SIP revision would include a request that the United States Environmental Protection Agency redesignate the HGB area to attainment for the one-hour and 1997 eight-hour ozone NAAQS and provide a maintenance plan that will ensure the area remains in attainment of the NAAQS through 2032. The public comment period will open on September 7, 2018 and close on October 8, 2018. A public hearing will be held on October 8, 2018, at 2:00 p.m. at the Texas Department of Transportation, 7600 Washington Avenue, Houston.

• Proposed HGB One-Hour and 1997 Eight-Hour Ozone Redesignation Request and Maintenance Plan SIP Revision
• Appendices
  • Appendix A: Growth Factors for Area and Point Sources (Proposed 2018)
  • Appendix B: Characterization of Oil and Gas Production Equipment and Develop a Methodology to Estimate Statewide Emissions (Proposed 2018)
  • Appendix C: Condensate Tank Oil and Gas Activities (Proposed 2018)
  • Appendix D: Specified Oil & Gas Well Activities Emissions Inventory Update (Proposed 2018)
  • Appendix E: HGB Redesignation and Maintenance On-Road Mobile Emissions Inventories (Proposed 2018)
  • Appendix F: Aircraft Emissions Inventory for Texas Statewide 2014 AERR Inventory and 2008 through 2040 Trend Analysis Years (Proposed 2018)
  • Appendix G: 2014 Texas Statewide Locomotive Emissions Inventory and 2008 through 2040 Trend Inventories (Proposed 2018)
  • Appendix H: 2014 Texas Statewide Commercial Marine Vessel Emissions Inventory and 2008 through 2040 Trend Inventories (Proposed 2018)
  • Appendix I: 2014 Texas Statewide Drilling Rig Emissions Inventory with Updated Trend Inventories (Proposed 2018)

HGB Attainment Demonstration SIP Revision for the 2008 Eight-Hour Ozone NAAQS

On December 15, 2016, the commission adopted the HGB AD SIP Revision for the 2008 Eight-Hour Ozone Standard Nonattainment Area (Project No. 2016-016-SIP-NR). The AD SIP revision meets FCAA requirements and includes a photochemical modeling analysis, a weight of evidence analysis, a reasonably available control technology analysis, a reasonably available control measures analysis, a motor vehicle emissions budget for 2017, and a contingency plan. The AD SIP revision incorporates revisions to 30 Texas Administrative Code Chapter 115 .

• HGB 2008 Eight-Hour Ozone AD SIP Revision
• Appendices
• Appendix A: Meteorological Modeling for the HGB Attainment Demonstration SIP Revision for the 2008 Eight-Hour Ozone Standard (Adopted 2016)
• Appendix B: Emissions Inventory Modeling for the HGB Attainment Demonstration SIP Revision for the 2008 Eight-Hour Ozone Standard (Adopted 2016)
• Appendix C: Photochemical Modeling for the HGB Attainment Demonstration SIP Revision for the 2008 Eight-Hour Ozone Standard (Adopted 2016)
• Appendix D: Conceptual Model for the HGB Attainment Demonstration SIP Revision for the 2008 Eight-Hour Ozone Standard (Adopted 2016)
• Appendix E: Modeling Protocol for the Eight-Hour Ozone Modeling of the HGB Area (Adopted 2016)
• Appendix F: Reasonably Available Control Technology Analysis (Adopted 2016)
• Appendix G: Reasonably Available Control Measures Analysis (Adopted 2016)

HGB Reasonable Further Progress SIP Revision for the 2008 Eight-Hour Ozone NAAQS

On December 15, 2016, the commission adopted the HGB RFP SIP Revision for the 2008 Eight-Hour Ozone Standard Nonattainment Area (Project No. 2016-017-SIP-NR). To meet FCAA requirements, the SIP revision includes an analysis of reasonable further progress toward attainment of the 2008 eight-hour ozone standard, demonstrating a 15% emissions reduction in ozone precursors from the 2011 base year through the 2017 attainment year, a 3% emissions reduction for contingency in 2018, and updated RFP motor vehicle emissions budget.

• HGB 2008 Eight-Hour Ozone RFP SIP Revision
• Appendices
• Appendix 1: Reasonable Further Progress Demonstration Spreadsheet (Adopted 2016)
• Appendix 2: Development of Reasonable Further Progress Point Source Emissions Inventories for the Houston-Galveston-Brazoria (HGB) Nonattainment Area (Adopted 2016)
• Appendix 3: Growth Factors for Area and Point Sources (Adopted 2016)
• Appendix 4: Characterization of Oil and Gas Production Equipment and Develop a Methodology to Estimate Statewide Emissions (Adopted 2016)
• Appendix 5: Condensate Tank Oil and Gas Activities (Adopted 2016)
• Appendix 6: 2014 Statewide Drilling Rig Emissions Inventory with Updated Trends Inventories (Adopted 2016)
• Appendix 7: 2014 Texas Statewide Locomotive Emissions Inventory and 2008 through 2040 Trend Inventories (Adopted 2016)
• Appendix 8: 2014 Texas Statewide Commercial Marine Vessel Emissions Inventory and 2008 through 2040 Trend Inventories (Adopted 2016)
• Appendix 9: Aircraft Emissions Inventory for Texas Statewide 2014 AERR Inventory and 2008 through 2040 Trend Analysis Years (Adopted 2016)
• Appendix 10: Development of On-Road Emission Inventories for the Years 2011, 2017, and 2018 (Adopted 2016)

Emissions Inventory (EI) SIP Revision for the 2008 Eight-Hour Ozone Standard for the HGB and Dallas-Fort Worth (DFW) Areas

On July 2, 2014, the commission adopted the EI SIP revision for the 2008 Eight-Hour Ozone Standard (Non-Rule Project No. 2013-016-SIP-NR). This SIP revision satisfies the FCAA, §172 and §182 requirements for the HGB and DFW nonattainment areas under the 2008 eight-hour ozone standard. The SIP revision includes 2011 emissions inventories for ozone precursors (volatile organic compounds and nitrogen oxides) from point, area, on-road mobile, non-road mobile, and biogenic emissions source categories as the base year emissions inventories for the HGB and DFW areas.

For additional information, please visit the Air Pollution from Ozone Web page.