How to Pass a Breathalyzer Test in Georgia

DUI Attorney Explains: How to Pass a Breathalyzer Test

By: William C. Head, Drunk Driving Book Author and Atlanta DUI Attorney, DUI Legal Defense Lawyer Explains How to Pass a Breathalyzer Test. Most drivers who ask that question really want to know what can throw off a breathalyzer test. The answer often decides a Georgia DUI case. To understand how to "pass" a breathalyzer test in Georgia, you first need to understand what the term really means. Much like "Kleenex" became a generic word for tissue, "Breathalyzer" has become shorthand for any breath alcohol testing device. In reality, Breathalyzer is a trademarked brand. Robert F. Borkenstein developed it at Indiana University in Bloomington. He passed away in 2002, just shy of 90 years old. The trademark was registered in 1958. His invention became the most widely used forensic breath-testing device from the 1950s through the early 1970s. Today, "breathalyzer" is a catch-all term for commercial breath alcohol machines worldwide. Not all devices are created equal. Many have known limitations. Mr. Head has spent decades training DUI attorneys on the problems with breath testing. If your DUI defense lawyer understands how to attack the reliability of the machine used in your case, that knowledge can be the difference between conviction and acquittal.

Practical Tips for Beating a Breathalyzer in Georgia

In this clip, DUI attorney William Head explains how police instructions and subtle manipulations can skew your test results. Knowing this can be the first step toward building your defense. Beating a breathalyzer test is not about tricks. It is about understanding how these machines work and where human error or protocol violations can affect the results. DUI attorney William C. Head shares field-tested tips from real courtroom wins:

1. Don't Blow Too Long

The Intoxilyzer 9000 requires only 5 to 7 seconds of steady breath. The longer you blow, the more your BAC reading will climb. This is especially true near your peak. Keep your breath steady and stop between 5 to 7 seconds to avoid inflating your result.

2. One Sample Is Legally Enough

Officers request two breath samples a few minutes apart because Georgia law requires the state to ask for two, and the readings may not differ by more than 0.020 grams for either to be used in its case. Once you have given one adequate sample, refusing more is not treated as a refusal for license suspension purposes. It does not, however, make the first result inadmissible.

3. Foreign Objects in the Mouth Can Invalidate the Test

Breath test operator training calls for officers to check that your mouth is free of gum, tobacco, or any foreign substances during the 20-minute deprivation period. If this protocol is skipped, your results may be thrown out. If you are booked into jail while still chewing gum or holding tobacco, show it to the booking officer. Get their name and remember it. This could support your defense in court.

4. Vomiting or Belching Before the Test? That Can Help You

Burping or vomiting can push alcohol from your stomach into your mouth. This skews the results due to residual mouth alcohol. This can void the test if caught on security camera footage. Many testing facilities have surveillance. Look around and take mental notes.

How Georgia Regulates the Official Breath Testing Device

DUI breath test cases turn on machine reliability, officer error, and legal procedure. Georgia law treats a breath result as valid only when the analysis followed methods approved by the Division of Forensic Sciences of the Georgia Bureau of Investigation, on a machine in good working order, run by a person holding a valid permit.

This video shows how common technical flaws in breathalyzer devices can lead to falsely high readings. Examples include airflow disruption and sensor issues. It is important to understand that the device used for an implied consent breath test in Georgia is not a cheap breath tester you buy online. Official state-administered devices print out certified results. They must be inspected and certified under standards set by that same division. This context matters because "how to pass a breathalyzer" is not about gimmicks. It is about knowing the system's weaknesses and using the law to challenge the evidence.

What Can Throw off a Breathalyzer Test?

Many factors can throw off a breathalyzer test. Both biological and mechanical issues can produce an inaccurate reading on Georgia's Intoxilyzer 9000. Understanding these factors is critical to any DUI defense because a flawed BAC result may not reflect your true level of impairment while driving. A DUI charge often turns on whether your reading crossed Georgia's legal alcohol limit. How that reading was produced matters as much as the number itself.

Legitimate Factors That Affect Breathalyzer Accuracy

Residual mouth alcohol is one of the most common sources of error. Burping, belching, or acid reflux (GERD) can push alcohol vapors from the stomach into the mouth. The Intoxilyzer 9000 measures alcohol in exhaled air. Residual mouth alcohol inflates that reading well above the true deep-lung concentration. This is why the NHTSA training manual requires officers to observe a subject for a full 20-minute deprivation period before testing. If the officer skips or shortens that observation window, the results may be scientifically unreliable.

Foreign objects in the mouth – including chewing gum, dip tobacco, or loose dental work – can trap alcohol and release it during the breath sample. That same training tells officers to confirm the mouth is clear before starting the deprivation period. If they fail to check, the breathalyzer test results are open to challenge.

Radio frequency interference (RFI) from police radios, cell phones, or other electronic devices near the testing machine can disrupt the Intoxilyzer 9000's sensors. The device includes an RFI detector. However, testing has shown that not all interference triggers the sensor.

Calibration errors present another vulnerability. Under Georgia law, the Intoxilyzer 9000 must have all electronic and operating components properly attached and in good working order. The operator must have a valid permit from the Division of Forensic Sciences. If the machine was overdue for its required inspection, or if the operator's permit had lapsed, the results may be inadmissible.

Medical conditions can also skew results. Diabetic ketosis causes the body to produce acetone. Some breath testing instruments may misidentify acetone as ethanol. Individuals on certain low-carb diets may experience similar effects.

Mouthwash, breath sprays, and cough medicines that contain alcohol can leave residual ethanol in the mouth. If a driver used alcohol-based mouthwash shortly before testing, the reading may reflect mouth alcohol. This is true only if the officer did not observe the full 20-minute waiting period.

Uncured dental work – such as recent fillings, crowns, or bridges – can trap small amounts of alcohol in crevices. This trapped alcohol is then released during the breath sample and picked up by the machine.

Temperature variation in the testing environment or in a person's body can also affect results. Breathalyzers are calibrated assuming a standard breath temperature. A person with a fever or elevated body temperature may produce a higher reading than their actual BAC.

Myths That Don't Work

Despite the real factors listed above, many popular "tricks" for beating a breathalyzer have no scientific basis.

Eating peanut butter will not absorb or mask alcohol. Breathalyzers measure alcohol in deep lung air, not what coats your mouth or stomach. No food can alter your actual blood alcohol content.

Chewing gum or mints will not help you pass a breath test. Georgia's Intoxilyzer 9000 detects ethanol molecules, not scent. Some gums and mints contain alcohol-based flavoring that may actually inflate your reading.

Putting pennies under your tongue is a pure urban legend. The machine uses infrared spectroscopy or electrochemical fuel cells to detect ethanol. Copper does not interact with either technology.

Drinking water helps with hydration but will not eliminate alcohol from your system. The only proven way to lower your BAC is time. Your liver processes alcohol at roughly 0.015% BAC per hour.

Hyperventilating or holding your breath will not produce a lower reading. The Intoxilyzer 9000 requires a steady, complete breath sample from deep lung air. Officers are trained to watch for irregular breathing and may flag the test as a refusal if they suspect manipulation.

No shortcut exists to trick a breathalyzer. However, real legal defenses do work. These include challenging machine calibration, officer protocol violations, or the timing of the test under Georgia's three-hour rule.

Your Legal Rights During a Breathalyzer Test

Even when the science appears solid, juries can be misled by breath test results. That is why we don't just challenge the numbers. We challenge the procedures, timing, and how the test is explained to the jury. Attorney Bubba Head has spent decades simplifying complex breath test protocols in Georgia DUI trials. This helps jurors understand where the state's evidence falls short. In this clip, Mr. Head walks through how he explains breath testing science in court. This makes complex data understandable for juries in DUI trials. Under Georgia's Implied Consent Law, if you agree to the officer's breath test, you also have the legal right to request an independent test. You can choose blood, breath, or urine. This allows you to verify or dispute the officer's result using a method of your choice, at your own expense. Here is what most drivers don't know: At the roadside, the officer chooses your test type. Options include breath, blood, or urine. After that, you choose your own test type. You can request a more accurate option, like a blood test. Use this if you believe the breath result was wrong due to mouth alcohol or calibration issues. Georgia courts have required officers to make reasonable efforts to help you get that test. If they ignore your request or delay transport, your DUI lawyer may be able to get the state's test thrown out.

How Can the Three-Hour Rule Help Me Beat a Breathalyzer Test?

Under Georgia law, the state must prove an alcohol concentration of 0.08 or more within three hours of driving, from alcohol you drank before you drove. Why is this so important? Your blood alcohol content can rise after you have stopped drinking. That means your BAC at the time of testing might be higher than it was while driving. This legal defense is known as Rising BAC. Under the NHTSA's training guidelines, officers must also observe a subject for 20 minutes before the test. They must ensure no foreign substances are in the mouth. If they fail to follow this observation protocol, the breath test results may be scientifically compromised. The results may also be inadmissible in court. This window of time and the proper observation process are two of the most overlooked defenses. When applied correctly, they can be powerful tools to challenge DUI charges.

How Long After Drinking Until a Breath Test Reads Under the Limit?

Many people ask how long it takes to pass a breath test after they stop drinking. The answer depends almost entirely on time. Your liver breaks down alcohol at a fairly constant rate. This is typically around 0.015% BAC per hour. A person who reaches a BAC of 0.08 generally needs about five to six hours to return to 0.00. Someone at 0.15 may need ten hours or more. A blood alcohol content chart shows how drink count, body weight, and time shape a BAC reading. Only a tested sample shows what a machine will report.

Factors like body weight, sex, food intake, and hydration affect how quickly you absorb alcohol. However, none of these factors meaningfully speed up elimination once alcohol is in your bloodstream. No amount of coffee, water, food, or exercise will accelerate the process.

It also matters which device is testing you. A roadside portable breath test (PBT) and Georgia's official Intoxilyzer 9000 both measure breath alcohol. However, they serve different legal purposes. After a DUI conviction, an ignition interlock device (IID) is calibrated so the vehicle will not start if your breath alcohol exceeds 0.02 grams. This is a much lower threshold than the 0.08 legal limit. That means even trace amounts of alcohol may prevent you from driving with an IID installed.

The only reliable way to pass any breath alcohol test is to wait until your body has fully processed the alcohol. If you have questions about your specific situation, consult a Georgia DUI attorney.

Can You Refuse a Breathalyzer in Georgia?

You can refuse a breathalyzer in Georgia, but there are consequences. Under Georgia's Implied Consent law, once an officer arrests you for DUI, you are asked to submit to a state-administered chemical test. Refusing the post-arrest test can lead to a one-year license suspension. You may qualify for an Ignition Interlock Permit (IID), but only under specific conditions. Georgia uses two breath tests. The pre-arrest Portable Breath Test (PBT) can be refused without license penalties. Georgia courts treat it as a screening device rather than proof of your alcohol level, and it is used to establish probable cause. The post-arrest Intoxilyzer 9000 is the official test. Refusing it triggers administrative license consequences under Georgia law. The "official" breath devices used in Georgia are not over-the-counter gadgets. They are highly regulated instruments that must be calibrated and certified by the GBI. Any claim about "how to pass a breathalyzer" should focus on legal rights and process. It should not focus on trickery. Refusing a breath test does not make you guilty. The Elliott v. State (2019) Georgia Supreme Court ruling says the refusal of a breath test cannot be used as evidence of guilt. However, this only applies to breath tests, not blood or urine.

Why Refusing a Breath Test Can Be a Risky Move

Refusing an official breathalyzer test may seem like a smart strategy. However, it often comes at a steep cost. In Georgia, a refusal results in an automatic suspension of your driver's license for one year. Refusal rules and penalties vary widely from state to state, and some states are harsher than Georgia. Whether a refusal helps or hurts depends on the law where the arrest happened. In Georgia, experienced DUI attorneys will typically recommend a different course of action: Do not talk except to provide your name and address. Do not take any roadside field sobriety tests offered before arrest. If arrested and read the Implied Consent notice, take the breath test. Then immediately request and pay for an independent blood test at a hospital of your choice. Under Georgia's Implied Consent Law, refusing the post-arrest breath test results in serious consequences including a 12-month license suspension that begins long before your criminal case is decided. If you are later acquitted or the charge is dropped, that suspension is terminated and deleted from your driving record. However, following the proper legal steps may qualify you for an Ignition Interlock Device (IID) permit. Your eligibility and filing deadlines matter. Generally, Bubba Head will say to take the post-arrest breath test. Then request to take the independent blood test.

Atlanta DUI Attorney William Head Knows the Intoxilyzer Breathalyzer Inside and Out

Very few DUI lawyers in America are qualified to write about how to pass a breathalyzer test. Most DUI defense attorneys have received only brief, surface-level training on the Intoxilyzer 9000. Training often occurs in one to six hour seminars. Despite these credentials, almost none have had hands-on access to the breath testing machine used in Georgia DUI cases. Attorney William C. "Bubba" Head is a rare exception. In February 2017, Mr. Head conducted direct testing on the Intoxilyzer 9000 at a private facility in Texas. He worked with respected breathalyzer experts Jan Semenoff of Saskatchewan, Canada and Thomas Workman of Taunton, Massachusetts. The team ran simulated tests using a calibrated wet bath simulator. Law enforcement uses the same setup to ensure accuracy. The testing exposed real-world malfunctions. It confirmed many of the same flaws seen in Georgia's previous breath machine, the Intoxilyzer 5000. Mr. Head co-chaired a Georgia DUI Law seminar for the Georgia Association of Criminal Defense Lawyers on March 3 and 4, 2017. He wanted to present video evidence of the Intoxilyzer 9000's vulnerabilities to attending attorneys. That footage, presented by Workman and Semenoff, revealed multiple mechanical and procedural weaknesses. Some of these mirror issues documented decades earlier. This was not Mr. Head's first deep dive into breath testing science. In 1996, he sponsored and led a 4-day, 32-hour intensive course for DUI lawyers nationwide. Attendees, including Mr. Head, were allowed to operate and disassemble Intoxilyzer devices. One clip from that training shows a cell phone interfering with test results. The machine's RFI (radio frequency interference) sensor did not flag the interference. Another video captures the full disassembly of the Intoxilyzer. It demonstrates firsthand knowledge of its internal workings. This hands-on background shapes how he examines breath test evidence. He does not just understand the legal implications. He knows how these machines work and fail from the inside out.

Our Atlanta DUI Lawyers Are Here to Help – 24/7

Call DUI attorney William C. "Bubba" Head anytime – day, night, or weekends – for a free consultation about your DUI case. Alongside his partners, Cory Yager and Larry Kohn, Mr. Head works with a DUI defense team that has handled these cases in Georgia for decades. Call 404-567-5515 now. All three attorneys have been selected to the Georgia Super Lawyers list. They have handled difficult DUI cases across the state. If you have been arrested for DUI, do not assume the breath test is unbeatable. Whether your BAC was above the legal limit or you refused testing altogether, we know how to challenge flawed procedures, faulty devices, and officer error. With decades of courtroom experience, our team is ready to defend you. You have too much to lose to plead guilty.

How to Pass an Alcohol Blow Test: What Actually Matters

The only reliable way to pass any breath alcohol test is to have a BAC below the applicable threshold at the time you provide a sample. This applies whether the test is a roadside PBT, the state Intoxilyzer 9000, or a post-conviction ignition interlock device. Your body clears alcohol at roughly 0.015% BAC per hour. Nothing can speed that process up.

If you fail a breath test after a DUI arrest, a defense attorney may still challenge the result. Common grounds include an improper 20-minute deprivation period, expired machine calibration records, lapsed operator certification, and the rising BAC defense. Under Georgia law, a chemical test must be performed on a machine in good working order, using methods the Division of Forensic Sciences has approved. The operator must have a valid permit for the results to be considered valid. Any gap in those requirements may open the door to suppression.

Every case is different. If you were arrested after failing a breath test in Georgia, speak with an experienced DUI attorney about the defenses that may apply to your situation.

Speak With an Atlanta DUI Breath Test Defense Attorney

If you were arrested after failing or refusing a breathalyzer test in Georgia, the result does not have to define your case. Drivers who need attorneys for breath tests and field sobriety tests can call the DUI defense team at William C. Head, PC, which offers free 24/7 consultations. We review the details of your arrest, including the arresting officer's protocol, the Intoxilyzer 9000's maintenance and calibration records, and potential defenses. Examples include rising BAC or residual mouth alcohol contamination.

Defenses may be available depending on the facts of your case. Georgia law imposes strict requirements on how law enforcement officers administer breath tests. Requirements also apply to who may operate the machine and how results are recorded. Any failure to follow these procedures could affect the admissibility of the evidence against you. A DUI conviction also puts your driving privileges at risk.

Call (404) 567-5515 now or use the contact form below to schedule your free case review. Past results do not guarantee a similar outcome.

Frequently Asked Questions

What Can Throw Off a Breathalyzer Test in Georgia?

Several factors can produce inaccurate breathalyzer readings. Residual mouth alcohol from burping, acid reflux, or vomiting is one of the most common. Medical conditions like diabetes, recent use of alcohol-based mouthwash, uncured dental work, radio frequency interference, and machine calibration errors can all affect results. Georgia law requires the Intoxilyzer 9000 to be properly maintained. It must be operated by a permitted individual for results to be considered valid.

How Long Does It Take to Pass a Breath Test After Drinking?

Your body typically eliminates alcohol at about 0.015% BAC per hour. A person at the 0.08 legal limit generally needs five to six hours to reach 0.00. Higher BAC levels take longer. No food, coffee, or home remedy can speed up this process. Time is the only reliable factor.

Can Mouthwash or Acid Reflux Cause a False Breathalyzer Reading?

Yes. Alcohol-based mouthwash can leave residual ethanol in the mouth. Acid reflux (GERD) can push stomach alcohol into the oral cavity. Both can inflate a breathalyzer reading. This is why NHTSA guidelines require officers to observe a subject for 20 minutes before testing. If the observation period is skipped or cut short, the results may be challenged.

How Long Must an Officer Observe You Before a Breathalyzer Test in Georgia?

Under NHTSA training standards, the officer must observe the subject for a minimum of 20 minutes before administering a breath test. During this time, the subject should not eat, drink, smoke, burp, or vomit. If any of these occur, the observation period should restart. Failure to follow this protocol can compromise the test results.

Can a DUI Attorney Challenge Intoxilyzer 9000 Results in Georgia Court?

Yes. Under Georgia law, breath test results are only valid if the machine was properly maintained. All electronic and operating components must be properly attached and in good working order. The operator must have a current permit from the Division of Forensic Sciences. A skilled DUI attorney can subpoena calibration records, maintenance logs, and operator certifications. This identifies gaps that may render the results inadmissible.