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SIP Hot Topics

Hot topics related to Texas' State Implementation Plan (SIP) for air quality.

(Last updated 10/1/14)

New August 26, 2011 One-Hour Ozone Exceptional Event Technical Support Document Submitted to EPA

On September 30, 2014, the TCEQ submitted a technical support document to the U.S. EPA Region 6 office in Dallas, Texas. This document supports the commission’s conclusion that large wildfires in the Northwestern and Southeastern United States caused an exceedance of the one-hour ozone NAAQS on August 26, 2011 at the Houston East (CAMS 1) monitoring site. Emissions from numerous fires in these two regions transported to the Houston area and caused an exceedance of the one-hour ozone NAAQS that would not otherwise have occurred.

Under current federal rules, the U.S. EPA will now evaluate the submittal and decide whether to concur or not. If the U.S. EPA concurs with Texas’ conclusions then ozone measurements made at the Houston East monitoring site on August 26, 2011 will not be compared to the ozone NAAQS for determinations of compliance or noncompliance with ozone NAAQS.

 

Emissions Inventory (EI) SIP Revision for the 2008 Eight-Hour Ozone Standard for the Houston-Galveston-Brazoria (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 Federal Clean Air Act (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.

2014 Five-Year Regional Haze SIP Revision

On February 26, 2014, the commission adopted the 2014 Five-Year Regional Haze SIP Revision (Project No. 2013-013-SIP-NR). This SIP revision evaluates Texas' progress towards the reasonable progress goal for each Class I area located within the state and in each Class I area outside the state which may be affected by emissions from within the state. The TCEQ projects that Texas will meet the established reasonable progress goals set by the state for 2018 for all Class I areas it affects.

For additional information and the complete SIP package, including appendices, please visit the SIP Revision: Regional Haze Web page.

Inspection and Maintenance (I/M) Rulemaking and SIP Revision

On February 12, 2014, the commission adopted amendments to Sections 114.1, 114.2, 114.21,114.50, 114.53, 114.82, 114.83, 114.84, and 114.87 of 30 TAC Chapter 114, Control of Air Pollution from Motor Vehicles (Rule Project No. 2013-035-114-AI) and the corresponding SIP revision (Non-rule Project No. 2013-041-SIP-NR). The rulemaking and corresponding SIP revision implement House Bill 2305 from the 83rd Texas Legislature, 2013, Regular Session, relating to replacing the dual windshield sticker system for vehicle inspection and registration with a single windshield sticker system and modifying the method used to collect the state portion of the vehicle safety and emissions inspection fee.

For additional information and the complete rule and SIP packages, please visit the Vehicle Inspection and Maintenance (I/M) Program Web page.

PM Data: El Paso 2010, 2011, and 2012 Exceptional Events Demonstrations

In accordance with federal regulations, the demonstration documents supporting the TCEQ's exceptional event flags for El Paso PM10 and PM2.5 data for 2010, 2011, and 2012 were provided for public review and comment. There are three PM10 and ten PM2.5 proposed exceptional event flags for data collected at various El Paso monitoring sites on ten separate days from 2010 through 2012. All thirteen of the proposed flags are for high wind regional blowing dust events that are described in more detail in the demonstration document.

The public comments received by the TCEQ were forwarded to the EPA for consideration. The EPA will consider information provided in these demonstration documents and public comments when deciding whether to accept or reject each proposed flag. The EPA concurrence on a flag will remove the data from consideration for determinations of compliance with the revised primary annual PM2.5 NAAQS for the period 2010 through 2012.

For more information, please visit the TCEQ's Air Monitoring Web page for PM flags: Particulate Matter (PM) Proposed Exceptional Event Flag Demonstrations.

Commission Approved Recommended Designations for the 2012 Primary Annual PM2.5 NAAQS

On October 23, 2013 the commission approved the executive director's designation recommendations for the 2012 primary annual fine particulate matter (PM2.5) National Ambient Air Quality Standard (NAAQS). The recommended designations will be provided to the governor for his consideration along with the basis for the recommendation. The governor will submit the state’s designation recommendation to the United States Environmental Protection Agency (EPA) by December 13, 2013.

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

PM2.5 Data: Houston 2010, 2011, and 2012 Exceptional Events Demonstrations

In accordance with federal regulations, the demonstration documents supporting the TCEQ's exceptional event flags for Houston's Clinton Drive PM2.5 monitoring data for 2010, 2011, and 2012 were posted for the 30-day public review and comment periods. The exceptional event flags are for: June 9, 10, and July 13, 2010; May 20, 2011; and July 2, 27, and 28, 2012. All three of the 2010 flags are for African dust events. The 2011 flag is for a Mexican and Central American smoke event, and all three of the proposed flags in 2012 are for African dust events. These events are described in more detail in the demonstration documents.

The public comments received by the TCEQ were forwarded to the EPA for consideration. The EPA will consider information provided in these demonstration documents and public comments when deciding whether to accept or reject each proposed flag. The EPA concurrence on a flag will remove the data from consideration for determinations of compliance with the revised primary annual PM2.5 NAAQS for the period 2010 through 2012.

For more information, please visit the TCEQ's Air Monitoring Web page for PM flags: Particulate Matter (PM) Proposed Exceptional Event Flag Demonstrations

Public Information Meetings in Houston and El Paso Regarding Area Designations under the 2012 Primary Annual PM2.5 NAAQS

The TCEQ held public information meetings regarding area designations under the 2012 primary annual PM2.5 NAAQS in Houston on July 22, 2013 and in El Paso on September 17, 2013. TCEQ staff presented an overview of the 2012 PM2.5 NAAQS, current monitoring data for the State of Texas, exceptional events, and the process for state designation recommendations to the EPA.

For more information, please visit the Air Pollution from Particulate Matter Web page.

Public Information Meeting: Eight-Hour Ozone Planning for the DFW Area

The TCEQ held a public information meeting to provide information on the development of revisions to the SIP for the 2008 ozone NAAQS in the 10-county Dallas-Fort Worth (DFW) nonattainment area. NCTCOG and EPA representatives provided updates on local and federal initiatives.

For more information on ozone planning for the DFW area, please visit the TCEQ’s Dallas-Fort Worth and the State Implementation Plan Web page.

Stage I Stakeholder Meetings scheduled for April 29 – May 16, 2013

The TCEQ scheduled Chapter 115 Stakeholder Group meetings regarding potential revisions to Stage I testing requirements for gasoline dispensing facilities. Stakeholder meetings were held in Austin, Corpus Christi, El Paso, Houston, Plano, Arlington, and Longview. The purpose of these stakeholder meetings was to discuss potential revisions to testing requirements and methods to ensure there are no leaks in the Stage I petroleum storage tank’s vapor recovery system. For additional information, please visit the Chapter 115 Stakeholder Group Web page.

Infrastructure and Transport SIP Revision for the 2010 SO2 NAAQS

On April 23, 2013, the commission adopted the Federal Clean Air Act (FCAA), §110(a)(1) and (2) Infrastructure and Transport SIP Revision for the 2010 Sulfur Dioxide (SO2) NAAQS (Project No. 2012-022-SIP-NR).

For additional information, please visit the Air Pollution from SO2 Web page.

HGB 1997 Eight-Hour Ozone Standard MVEB SIP Revision

On April 23, 2013, the commission adopted the Houston-Galveston-Brazoria (HGB) 1997 Eight-Hour Ozone Standard Nonattainment Area Motor Vehicle Emissions Budgets (MVEB) Update SIP Revision (Project No. 2012-002-SIP-NR).

For additional information and the complete SIP package, including appendices, please visit the HGB: Latest Ozone Planning Activities Web page.

Infrastructure and Transport SIP Revision for the 2008 Ozone NAAQS

On December 5, 2012, the commission adopted the FCAA, §110(a)(1) and (2) Infrastructure and Transport SIP Revision for the 2008 Ozone NAAQS (Project No. 2012-004-SIP-NR).

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

BPA Attainment Area On-Road Mobile Source Emissions Inventory and MVEB Update SIP Revision

On November 14, 2012, the commission adopted the Beaumont-Port Arthur (BPA) Attainment Area On-Road Mobile Source Emissions Inventory and Motor Vehicle Emissions Budget (MVEB) Update SIP Revision (Project No. 2012-005-SIP-NR).

For additional information, please visit the Beaumont-Port Arthur: Ozone, Latest Planning Activities Web page.

DRAFT SIP Timeline - Estimated Dates and Activities 2014 through 2015

This draft timeline reflects the ongoing SIP revision activities that will continue through 2015. 

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