Air Initiatives Yield Results

Areas with Early Action Compacts hit their targets on air quality

The areas of Austin, San Antonio, and Northeast Texas have proved that volunteer programs can make a difference in ozone levels. By the end of 2007, all three areas had successfully completed the terms of their early action compacts with the TCEQ.

In this story:
Idea Reaches Fruition
Plans are Homegrown

Map - Three Areas with an EAC

Three areas of Texas that initiated their own efforts to improve air quality have reached an important milestone—all met their goals for reducing ground-level ozone.

The areas of San Antonio, Austin-Round Rock, and Northeast Texas have been engaged in a three-year program to implement a variety of clean-air strategies.

Their mission was to lower ozone levels by Dec. 31, 2007, to comply with the federal 8-hour ozone standard. All of them succeeded and, by doing so, avoided being designated as nonattainment by the Environmental Protection Agency.

Once an urban area has been designated as nonattainment for the 8-hour standard, the TCEQ must begin working on a plan to curb harmful emissions. After it is approved by the commission, the State Implementation Plan goes to EPA for review. The nonattainment area then has to comply with various requirements by specific dates.

Texas already has three nonattainment areas: Houston-Galveston, Dallas-Fort Worth, and Beaumont-Port Arthur.

But, by having already agreed to an Early Action Compact (EAC), an urban area stays in the driver's seat, retaining the ability to design and implement its own action plan for improving air quality, such as using vanpools and flexible work schedules for commuters or adding low-emitting vehicles to fleets.

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Idea Reaches Fruition

The concept of an EAC was conceived in Texas. San Antonio was the first to participate, signing an agreement with the TCEQ and EPA in December 2002. San Antonio's voluntary enrollment was soon followed by Austin-Round Rock and Northeast Texas (Longview-Marshall-Tyler), and all three began to develop plans for improving air quality.

At the time, the federal 8-hour ozone standard was soon to take effect, and all three areas were monitoring exceedances of the ozone standard. The EAC agreements were formally adopted in 2004.

EPA designated the counties of Bexar, Comal, and Guadalupe as nonattainment-deferred for the 8-hour standard. Under nonattainment-deferred, the area has a deadline for reaching attainment; if the deadline is not met, the more stringent nonattainment requirements take effect. Neighboring Wilson County agreed to take part in the compact.

For the last three years, each area with an EAC has filed six-month progress reports with the TCEQ and EPA, detailing the latest monitoring results and the status of their clean-air programs. By the end of 2007, preliminary data showed air quality in each area to be in attainment with the 8-hour ozone standard's limit of 0.08 parts per million (ppm).

Although no further reporting is required, all three areas have committed to implement their clean-air programs through 2012.

Meanwhile, EPA recently announced new limits to the amount of ozone allowed in the air, lowering the maximum allowable concentration to 0.075 ppm under the 8-hour standard.

All three EAC areas fall short of the new standard. Based on preliminary 2005-2007 data, 22 counties in Texas are monitoring over the new standard. EPA expects to designate the nonattainment counties by 2010 and give those counties three years to develop plans to meet the new standard.

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Plans are Homegrown

While the idea of creating EACs started in Texas, EPA has put the program to work in 13 other states. Now almost 40 EACs are in effect, from Virginia to Colorado.

Under EACs, state and local officials consult with stakeholders to devise the best means—usually voluntary—of reducing emissions for that locale. The plans differ from region to region, but the common challenge is generating community support and the will to carry out initiatives. Here are some of the programs chosen in Texas to achieve emission reductions:

San Antonio. The Alamo Clean Air Partnership encouraged voluntary emission reduction measures in the business and government sectors—for example, by urging commuters to carpool, walk, or ride the bus. Under a new San Antonio ordinance, taxi owners can swap one non-hybrid permit for two permits good only for hybrid vehicles.

Austin. Travis and Williamson counties volunteered for the state's annual vehicle emissions testing, which is mandatory only in the Houston and Dallas-Fort Worth areas. In the first year of testing, almost 700,000 vehicles went through the program. The area is also enforcing local idling restrictions, and several public institutions, such as the University of Texas, have agreed to specific emission reductions from power plants. Bastrop, Hays, and Caldwell counties are also in the EAC.

Northeast Texas. The EAC, including Rusk, Smith, Upshur, Gregg, and Harrison counties, participates in the Department of Energy's Clean Cities Program to voluntarily reduce emissions from onroad vehicles. This includes funding for propane-fuel vans for local transit agencies. Also, two major companies near Longview have implemented enhanced leak detection and repair programs. Eastman Chemical Co. reduced volatile organic compounds by about 230 tons a year, and Flint Hills Resources (formerly a Huntsman facility) lowered VOC emissions by about 44 tons a year.

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