AACOG HomePage Proposed Local Revisions to the State Implementation Plan for the San Antonio Early Action Compact Region The deadline for completion of this document was March 31, 2004. The final document has been delivered to the Texas Commission on Environmental Quality and the Region 6 offices of the US Environmental Protection Agency. For more information on this entire process, please visit the Air Quality website of the Alamo Area Council of Governments.

Table of Contents Executive Summary List of Tables List of Figures Chapter 1: General 1.1 Introduction 1.2 Background 1.2.1 History of Air Quality Planning in the San Antonio Region 1.2.2 The Clean Air Plan 1.3 Public Involvement Program Chapter 2: Emissions Inventory 2.1 Overview 2.2 Point Sources 2.3 Area Sources 2.4 On Road Mobile Sources 2.5 Non Road Mobile Sources 2.6 Biogenic Sources 2.7 Emissions Summary Chapter 3: Photochemical Modeling 3.1 Introduction 3.2 Episode Selection 3.3 Modeling / Analysis Protocol 3.4 1999 Meteorological Model 3.5 1999 Modeling Emissions Inventory 3.5.1 Local Emissions Inventory 3.5.2 Texas and Regional Emissions Inventories 3.5.3 QA/ QC Methodology and Preparation of El Data for Photochemical Modeling 3.6 1999 Photochemical Model Base Case and Performance Evaluation 3.6.1 Evaluation Methodology 3.6.2 Ozone Metrics 3.6.3 Predictions of Precursor Concentrations 3.6.4 Precursor Sensitivity Studies 3.7 2007 Future Case Modeling Emissions Inventory 3.8 2007 Photochemical Model Base Case and Sensitivity Analyses 3.9 Attainment Demonstration Process 3.9.1 Design Values and Relative Reduction Factors 3.9.2 Modeled Attainment Test 3.9.3 Screening Test 3.10 Summary and Recommendations Chapter 4: Data Analysis 4.1 Introduction 4.2 Levels and Trends in Ozone Concentrations 4.3 Analysis of Meteorological Data 4.4 Transport and Local Contributions to Ozone Concentrations 4.5 Summary and Recommendations Chapter 5: Clean Air Strategies 5.1 Introduction 5.1.1 Challenges to Local Clean Air Strategies 5.1.2 Challenges: Degreasing Equipment Controls 5.1.3 Conclusion 5.2 Federal and State Reduction Strategies 5.3 Local Clean Air Strategies 5.4 Clean Air Strategy Testing 5.5 Additional Evidence 5.5.1 Evidence Supporting Attainment Demonstration 5.5.2 Degreasing Emissions 5.5.3 Pollution Transport 5.5.4 Alternative Fuel Vehicles 5.5.5 Energy Efficiency / Renewable Energy Projects 5.5.6 Lawnmower Recycling Program 5.5.7 Lower Reid Vapor Pressure 5.5.8 Windshield Wiper Fluid 5.5.9 Gas fired Water Heaters, Small Boilers, and Process Heaters 5.5.10 Transportation Demand Management 5.5.11 Transportation Emission Reduction Measures 5.5.12 TransGuide 5.5.13 Public Education 5.6 Summary and Recommendations Chapter 6: Maintenance for Growth 6.1 Background 6.2 Maintenance Analysis 6.3 Updating the Planning Process 6.3.1 Modeling Updates and Modeling Assumption Verification 6.3.2 Transportation Patterns 6.4 New Strategy Requirements List of Appendices Appendix A: Conceptual Model and Episode Selection for the San Antonio EAC Region Appendix B: Development of the Meteorological Model Appendix C: On Road Mobile Emissions Inventory Development ( TTI Report) Appendix D: 1999 Base Case Modeling Emissions Inventory Development Appendix E: 1999 Base Case Development and Performance Analyses Appendix F: 2007 Future Base Modeling Emissions Inventory Development Appendix G: 2007 Base Case Sensitivity Analyses Appendix H: Modeled Attainment Test Appendix I: Clean Air Strategy Development Appendix J: Modeling Protocol Appendix K: Additional Evidence Appendix L: Maintenance for Growth Appendix M: Impact of Transport Appendix N: Resolutions from Early Action Compact Signatory Local Governments in Support of the Proposed Local Revisions to the State Implementation Plan and the Local Clean Air Strategies = Adobe PDF File  Download Adobe Reader below Get Acrobat Reader