Breath Alcohol Testing Program in Tarrant County 

Visit the website of Tarrant County, TX, to learn more about the breath alcohol program.  The Intoxilyzer 5000 used in Tarrant County is an instrument which permits a law enforcement officer to test a suspected drunk driver to determine the amount of alcohol present in that individual.

If your DWI arrest in Fort Worth or Tarrant County, TX, involves a breath test with a breath-alcohol concentration over .08, then contact the experienced DWI defense attorneys at Law Offices of Richard C. McConathy. We are experienced in fighting the DWI breath test in Tarrant County, TX.

Call our experienced DWI attorneys to discuss your case.


250 Certified Breath Test Operators in Tarrant County, TX

The breath alcohol program in Tarrant County has 250 Certified Breath Test Operators and 18 testing locations throughout the county. The history of Tarrant County's Breath Alcohol Program can be traced back to 1994 when two local police departments worked in conjunction with the Medical Examiner's Office. 

The breath testing program in Tarrant County is part of the Texas statewide Breath Alcohol Testing Program. The statewide problem is managed by the Office of the Scientific Director, Texas Department of Public Safety. 

At the county level, the Technical Supervisor for Area 043, which includes most of Tarrant County, is Sarah Skiles. As the Tarrant County Technical Supervisor for Area 043, Sarah Skiles also provides expert testimony in criminal trials when problems with the Intoxilyzer 5000 occur and the prosecutor still wants to admit the results at trial. The Technical Supervisor who has received training on how alcohol affects the ability to safely operate a motor vehicle.

Under §159.3 of the rules of procedure for ALS hearings, the term "certified breath test technical supervisor" is defined to mean a person who has been certified by DPS to maintain and direct the operation of a breath test instrument used to analyze breath specimens of persons suspected of driving while intoxicated.


Tarrant County's Intoxilyzer Program

The Intoxilyzer Program in Tarrant County is managed by the chemistry and toxicology laboratory of the medical examiner’s office. Forensic chemists with the program set up the intoxilyzer test sites, train intoxilyzer operators, maintain and calibrate equipment.

Breath testing is intended to provide a cheap and quick way to estimate a suspect’s breath alcohol concentration after a DWI arrest. The Texas Department of Transportation used grant money to establish the intoxilyzer program of the medical examiner’s office in 1994.

Breath Test Intoxilyzer 5000 from CMI MPD


Additional Resources

Breath Alcohol Program in Tarrant County, TX - Visit website of the medical examiner in Tarrant County, TX, to learn more about the breath alcohol program. Find information on Sarah Skiles, the Technical Supervisor for Area 043 in Tarrant County, TX.

2014 Annual Renewal Instructions for the Intoxilyzer 500 Test - Download the 2014 Annual Renewal Instructions from the medical examiner's office to learn more about the exams that breath test operators in Tarrant County must pass in order to maintain their breath test operator permits. Breath test operators in Tarrant County must complete five practice tests between September 1, 2014, and October 15, 2014.


This article was last updated on Friday, April 28, 2017.

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