Air Quality Policy and Regulations

Air Quality Milestones [PDF] (As of 12-30-10)

Clean Air Act/Clean Air Act Amendments of 1990

National Ambient Air Quality Standards (NAAQS)

Dallas-Fort Worth (DFW) State Implementation Plan (SIP) Revisions

Texas SIP Revisions

Conformity

Note: most documents below are in PDF format

Clean Air Act/Clean Air Act Amendments of 1990

• Clean Air Act – Table of Contents

National Ambient Air Quality Standards (NAAQS)

Ozone

• EPA Letter on Final Ozone Designations and Classifications for the 2008 Ozone NAAQS (05-01-12) NEW!
• Texas Commission on Environmental Quality (TCEQ) Comments to the EPA (01-11-12)
• EPA Designation Letter with Technical Support Document (12-09-11)
• President Announces Withdraw of Draft Ozone Standards(09-02-11)
• U.S. Court of Appeals: EPA Intends to Issue a Final Decision on the Reconsideration of the 2008 Ozone Standard by July 29, 2011 (12-08-10)
• U.S. Court of Appeals: EPA Will Delay Signing Final Rule on the Reconsideration of the 2008 Ozone Standard by December 31, 2010 (11-01-10)
• EPA Proposed Rule: Reconsideration of 8-Hour Ozone Primary and Secondary NAAQS (01-06-10)
• EPA Final Rule:  NAAQS for Ozone (03-27-08)
• EPA Proposed Rule:  NAAQS for Ozone (07-11-07)
• EPA Final Rule To Implement the 8-Hour Ozone NAAQS - Phase 2 (11-29-05)
• EPA Reconsideration:  Implementation of the 8-Hour Ozone NAAQS - Phase 1 (02-03-05)
• EPA Final Rule To Implement the 8-Hour Ozone NAAQS - Phase 1 (04-30-04)
• Air Quality Designations and Classifications for the 8-Hour Ozone NAAQS (04-30-04)
• EPA Proposed Rule to Implement the 8-Hour Ozone NAAQS (06-02-03)

Other

• EPA Proposed Rule: Secondary NAAQS for NOx and SOx (07-12-11)
• EPA FInal Rule: NAAQS for Lead (11-12-08)
• EPA Proposed Rule:  NAAQS for Lead (05-20-08)
• EPA Final Rule:  NAAQS for Particulate Matter (10-17-06)
• Air Quality Designations and Classifications for the Fine Particles (PM2.5) NAAQS (01-05-05)

Dallas-Fort Worth (DFW) State Implementation Plan (SIP) Revisions

8-Hour Ozone Attainment Demonstration

• EPA Final Rule: Reclassification of Nonattainment Area to "Serious" (Effective 1-19-11) (12-20-10)
• EPA Proposed Rule: Reclassification of nonattainment area to "serious" (08-02-10)
• EPA Final Rule: Approval of the Attainment Demonstration SIP for the Dallas/Fort Worth 1997 8-Hour Ozone Nonattainment Area (01-14-09)
• EPA Proposed Rule:  Approval of the Attainment Demonstration SIP for the DFW 1997 8-Hour Ozone Nonattainment Area (07-14-08)
• EPA Finding: Completeness Findings for Section 110(a) SIPs for the 8-hour Ozone NAAQS  (3-27-08)
• Adequacy Status of Submitted SIPs for Transportation Conformity Purposes: Motor Vehicle Emissions Budgets for DFW 8-Hour Ozone Nonattainment Area (3-21-08)
• EPA Letter:  Adequacy of Motor Vehicle Emission Budgets in 8-Hour Attainment Demonstration SIP (10-24-07)
• Adopted 8-hour Ozone Attainment Demonstration SIP Revision for the DFW Area (05-23-07) [2.4 MB]  (Appendices can be found on TCEQ's website)

8-Hour Ozone Reasonable Further Progress

• Approved DFW 8-hour Reasonable Further Progress (RFP) Plan (10-7-08)
• Adopted DFW 8-hour Ozone RFP SIP Revision (05-23-07)
  (Appendices can be found on TCEQ's website)

8-Hour 5% Increment of Progress

• Adequacy Status of Submitted SIP for Transportation Conformity Purposes: 5% Increment of Progress Motor Vehicle Emissions Budgets for DFW 8-Hour Ozone Nonattainment Area (06-01-05)
• Proposed 5% Increment of Progress Plan (11-17-04)

1-Hour Ozone Attainment Demonstration

• EPA Approval: DFW Attainment Demonstration of the 1-Hour Ozone Standard (10-16-08)
• EPA Proposed Rule:  DFW Nonattainment Area; Determination of Attainment of the 1-Hour Ozone Standard (07-11-08)
• EPA Approval:  Transportation Control Measures in the DFW Nonattainment Area (09-27-05)
• EPA Approval:  Dallas-Fort Worth Voluntary Mobile Emission Reduction Program (08-26-05)
• EPA Approval:  Memorandum of Agreement Between Texas Council on Environmental Quality and the North Central Texas Council of Governments Providing Emissions Offsets to DFW International Airport (04-22-05)
• Attainment Demonstration for the DFW Ozone Nonattainment Area (updated 03-18-03)
• EPA Proposed Rule:  Proposed Approval, or in the Alternative, Disapproval of SIP; Texas; DFW Ozone Nonattainment Area (08-01-02)
• EPA Approval:  Agreed Orders Issued to Airlines, Memoranda of Agreement With Owners and Operators of Major Airports, and a Revised Emissions Inventory Regarding Control of Pollution From Ground Support Equipment for the DFW Ozone Nonattainment Area (04-22-02)
• EPA Approval:  Electric Generating Facilities; and Major Stationary Sources of Nitrogen Oxides for the DFW Ozone Nonattainment Area (03-16-01)
• EPA Proposed Approval:  DFW 1-Hour Attainment Demonstration (01-18-01)
• Adequacy Status of Submitted SIP for Transportation Conformity Purposes: Attainment Demonstration SIP for Ozone (10-20-00)
• EPA Letter:  Finding that SIP is Complete (06-23-00)
• Finding of Failure to Submit Required SIP for Ozone (06-02-99)

1-Hour 9% Rate of Progress

• Post 1996 Rate-of-Progress Plan (03-28-05)
• EPA Proposed Rule:  Approval and Promulgation of Implementation Plans; Texas; DFW Nonattainment Area, Ozone (01-18-01)
• Adequacy Status of Submitted SIP for Transportation Conformity Purposes: 9% Rate-of-Progress (01-12-00)
• Clean Air Act Reclassification (Moderate to Serious) DFW Nonattainment Area, Ozone (02-18-98)

1-Hour 15% Rate of Progress

• EPA Approval:  15% Rate-of-Progress Plan and Motor Vehicle Emissions Budgets, DFW Ozone Nonattainment Area (04-12-05)
• EPA Proposed Rule:  Approval and Promulgation of Implementation Plans; Texas; the DFW Nonattainment Area, Ozone (01-18-01)
• 4 counties Designated as Nonattainment for 1-hour ozone (11-06-91)

Texas State Implementation Plan (SIP) Revisions

• EPA Approval: Cross-State Air Pollution Rule (CSAPR) (07-06-11)
• TCEQ Proposal:  Clean Air Interstate Rule (06-04-08)
• EPA Proposal:  Control of Air Pollution by Permits for New Construction or Modification (05-15-08)
• EPA Approval:  Revisions to Control Volatile Organic Compound Emissions (02-27-08)
• EPA Approval:  Texas Low Emission Diesel Fuel Program (02-12-08)
• EPA Approval:  Clean Air Interstate Rule NOx Annual Trading Program (07-30-07)
• EPA Approval:  Revisions to Reid Vapor Pressure Requirements for Gasoline (11-27-06)
• EPA Approval:  Speed Limits Local Measure for the DFW Ozone Nonattainment Area (10-11-05)
• EPA Approval:  Texas Low-Emission Diesel Fuel Program (10-06-05)
• EPA Approval:  Excess Emissions During Startup, Shutdown and Malfunction Activities (08-26-05)
• EPA Approval:  Control of Air Pollution From Motor Vehicles, Mobile Source Incentive Programs (08-19-05)
• EPA Approval:  Control Volatile Organic Compound Emissions-Correction (07-13-05)
• EPA Approval:  Transportation Conformity (07-06-05)
• EPA Approval:  Low-Emission Diesel Fuel Compliance Date (04-06-05)
• EPA Approval:  Excess Emissions During Startup, Shutdown and Malfunction Activities (03-30-05)
• EPA Approval:  Control Volatile Organic Compound Emissions (03-29-05)
• EPA Approval:  Volatile Organic Compound Emissions From Consumer Related Sources-Correction (02-23-05)
• EPA Approval:  Volatile Organic Compound Emissions From Consumer Related Sources (02-10-05)
• EPA Approval:  Control of Emission of Oxides of Nitrogen (NOx) From Cement Kilns (03-26-04)
• The 5th Circuit Court Decision on Ozone Transport in Beaumont/Port Arthur (12-11-02)
• EPA Approval:  Transportation Control Measures Rule (12-05-02)
• EPA Approval:  Motor Vehicle Inspection and Maintenance Program (11-14-01)
• EPA Approval:  Non-Road Large Spark-Ignition Engine Rule for the HGA and DFW Ozone Nonattainment Areas (11-14-01)
• EPA Approval:  Low Emission Diesel Fuel (11-14-01)
• EPA Approval:  Control of Gasoline Volatility (04-26-01)
• EPA Approval:  Approval of Clean Fuel Fleet Substitution Program Revision (02-07-01)
• EPA Approval:  Control of Emissions of Volatile Organic Compounds from Batch Processes, Industrial Wastewater and Service Stations (12-20-00)
• EPA Approval:  Water Heaters, Small Boilers, and Process Heaters and Agreed Orders (10-26-00)
• TNRCC Adoption:  Transportation Control Measure Rule (05-03-00)
• EPA Approval : Transportation Conformity Rule (07-08-99)

Conformity

Transportation Conformity

• Federal Register Notice of Availability: Official Release of MOVES2010 Motor Vehicle Emissions Model for Emissions Inventories in SIPs and Transportation Conformity (3-02-10)
• Adequacy Status of Submitted SIPs for Transportation Conformity Purposes: Motor Vehicle Emissions Budgets for DFW 8-Hour Ozone Nonattainment Area (3-21-08)
• EPA Final Rule:  Transportation Conformity Rule Amendments to Implement Provisions Contained in the 2005 Safe, Accountable, Flexible, Efficient Transportation Equity Act:  A Legacy for users (SAFETEA-LU); Final Rule (01-24-08)
• EPA Letter:  Adequacy of Motor Vehicle Emission Budgets in 8-Hour Attainment Demonstration SIP (10-24-07)
• US DOT Letter:  Conformity Determination of Mobility 2030 and Amended FY 2006-2008 TIP (06-12-07)
• TCEQ Memo: Approval of Control of Air Pollution from Motor Vehicles Transportation Conformity Rule and SIP Revision (06-08-07)
• EPA Letter:  Final Conformity Determination of Mobility 2030 and Correponding TIP (06-06-07)
• EPA Approval:  Transportation Conformity (07-06-05)
• FHWA Letter:  Anticipation of a 24 hour Transportation Conformity Lapse (06-03-05)
• Adequacy Status of Submitted SIP for Transportation Conformity Purposes: 5% Increment of Progress Motor Vehicle Emissions Budgets for DFW 8-Hour Ozone Nonattainment Area (06-01-05)
• EPA Final Rule:  Transportation Conformity Rule Amendments for the New PM2.5 NAAQS: PM2.5 Precursors (05-06-05)
• EPA Approval:  15% Rate-of-Progress Plan and Motor Vehicle Emissions Budgets, DFW Ozone Nonattainment Area (04-12-05)
• Guidance for Determining the "Attainment Year" for Transportation Conformity in New 8-Hour Ozone and PM2.5 Nonattainment Areas (03-08-05)
• EPA Final Rule:  Transportation Conformity Rule Amendments for the New 8-Hour Ozone and PM2.5 NAAQS (07-01-04)
• EPA Reference Document:  Complete Transportation Conformity Regulations that Incorporate Recent July 1, 2004, Final Rule (07-04)
• US DOT Letter:  Conformity Determination of Mobility 2025 Update and FY 2004-2006 TIP (04-08-04)
• US DOT Letter:  Conformity Determination of Mobility 2025 and FY 2002-2004 TIP (01-27-03)
• Transportation Conformity Rule Amendment: Minor Revision of 18-Month Requirement for Initial SIP Submissions and Addition of Grace Period for Newly Designated Nonattainment Areas (08-06-02)
• US DOT Letter:  Conformity Determination of Mobility 2025 Update and FY 2002-2004 TIP (10-19-01)
• Adequacy Status of Submitted SIP for Transportation Conformity Purposes: Attainment Demonstration SIP for Ozone (10-20-00)
• US DOT Letter:  Conformity Determination of Mobility 2025 and FY 2000-2002 TIP (07-13-00)
• EPA Final Rule:  Transportation Conformity Rule Amendment: Deletion of Grace Period (04-10-00)
• Adequacy Status of Submitted SIP for Transportation Conformity Purposes: 9% Rate-of-Progress (01-12-00)
• EPA Approval : Transportation Conformity Rule (07-08-99)
• Rescission of the Conditional Section 182(f) Exemption to the Nitrogen Oxides (NOx) Control Requirements for the DFW Ozone Nonattainment Area; TX (04-20-99)
• Texas Transportation Conformity Rule (11-18-98)
• EPA Final Rule:  Transportation Conformity Rule Amendments: Flexibility and Streamlining (08-15-97)

General Conformity

• EPA Proposed Rule:  Revisions to the General Conformity Regulations (01-01-08)
• EPA Approval:  Memorandum of Agreement Between Texas Council on Environmental Quality and the North Central Texas Council of Governments Providing Emissions Offsets to DFW International Airport (04-22-05)
• TCEQ Memo:  DFW International Airport/NCTCOG Memorandum of Agreement (07-16-04)