Site Navigation | | | | | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | Environmental Quality Data Air quality ratings for Texas cities, current and historical air pollution and weather measurements, air monitoring and emissions.
Drought conditions, river basin water availability, and surface water quality. | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | Waste Management The TCEQ assesses data on the generation and disposal of waste, and prepares a state plan every four years. | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | Topics Under This Category: | | Air Quality Field Study (TexAQS II) TexAQS II is an ongoing comprehensive research initiative by a partnership of government, academia, and citizens to study
the formation of air pollution and predict future pollution levels to determine the most effective strategies for achieving
clean air for all Texans. | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | Effects Screening Levels: Peer Review The TCEQ has documented its methodology for developing Effects Screening Levels (ESLs) and has contracted with Toxicology
Excellence for Risk Assessment (TERA) to conduct an independent, scientific peer review of the methodology. | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | Quality Assurance Discusses the TCEQ's program in quality assurance, including air and surface-water quality assurance and related topics. | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | TCEQ Method 1005 TCEQ's Method 1005, Revision 03, Total Petroleum Hydrocarbons, went into effect June 1, 2001. It may be used in lieu of EPA
Method 418.1 for the analysis of total petroleum hydrocarbons. | ![](https://webarchive.library.unt.edu/web/20061220224801im_/http://www.tceq.state.tx.us/assets/white-lion/spacer.gif) | | | |