The Role of Breathalyzer Tests in New Hampshire DUI Arrests

Driving under the influence (DUI) is a serious offense in New Hampshire, and one of the most commonly used tools by law enforcement to determine whether a driver is impaired is the Breathalyzer test. Understanding how these tests work, their role in DUI arrests, and the legal implications for drivers is crucial for anyone facing a potential DUI charge in New Hampshire. Breathalyzer tests play a significant role in DUI cases, providing law enforcement with evidence that can significantly impact the outcome of an arrest and subsequent legal proceedings. However, the reliability and admissibility of these tests can also be challenged, making it essential for individuals to understand their rights and the limitations of Breathalyzer evidence.

How Breathalyzer Tests Work in New Hampshire

Breathalyzer tests are devices used to estimate a person’s blood alcohol concentration (BAC) by measuring the amount of alcohol in their breath. When a person consumes alcohol, it enters the bloodstream and is eventually expelled through the lungs. A Breathalyzer measures the alcohol content in a breath sample, providing an estimate of the BAC. In New Hampshire, law enforcement officers use these devices during traffic stops when they suspect a driver is under the influence of alcohol. The result of a Breathalyzer test can determine whether a driver is legally intoxicated. The legal limit for blood alcohol concentration in New Hampshire is 0.08 percent for drivers over the age of 21 and 0.02 percent for drivers under 21. Commercial drivers have a lower threshold of 0.04 percent. If a Breathalyzer test indicates that a driver’s BAC is above the legal limit, the officer may arrest the driver on suspicion of DUI. However, it is important to understand that a Breathalyzer test is not infallible. The accuracy of these devices can be affected by various factors, including the calibration of the machine, the procedure followed during the test, and external factors such as the presence of certain chemicals in the driver’s breath.

James J. Tenn, Jr.
Attorney

Mary Elizabeth Tenn
Attorney

John J. Tenn
Attorney

Working hard to obtain the best results possible for our clients and fighting to protect their rights.

Legal Implications of Refusing a Breathalyzer Test

In New Hampshire, drivers are subject to implied consent laws, which means that by obtaining a driver’s license, they automatically consent to submit to chemical tests, including Breathalyzer tests, if they are suspected of driving under the influence. Refusing to take a Breathalyzer test when requested by a law enforcement officer can have serious consequences. If a driver refuses a Breathalyzer test in New Hampshire, their driver’s license will be automatically suspended for 180 days for a first refusal. Subsequent refusals can result in even longer suspensions. Additionally, refusal to take the test can be used as evidence against the driver in court, potentially leading to harsher penalties if they are ultimately convicted of DUI. However, there are situations where a driver may have legitimate reasons for refusing a Breathalyzer test. In such cases, it is crucial to understand the legal implications and to seek guidance from a legal professional to navigate the complexities of DUI laws in New Hampshire.

Challenging Breathalyzer Test Results in Court

Breathalyzer test results are often a critical piece of evidence in DUI cases, but they are not always conclusive. There are several grounds on which the accuracy of a Breathalyzer test can be challenged in court. For instance, the defense may argue that the Breathalyzer device was not properly calibrated or maintained, which could lead to inaccurate results. Additionally, the officer administering the test must follow specific procedures to ensure the test’s accuracy. Failure to follow these procedures can result in the exclusion of the Breathalyzer test results as evidence. Other factors that could affect the accuracy of Breathalyzer test results include medical conditions such as acid reflux, which can cause alcohol from the stomach to be present in the breath, leading to an artificially high BAC reading. Certain medications and even the presence of mouthwash or breath spray containing alcohol can also impact the results. Given these potential issues, it is possible to challenge Breathalyzer test results in a DUI case. However, doing so requires a thorough understanding of both the technology and the law, as well as the ability to present a compelling argument to the court.

The Role of Law Enforcement in Administering Breathalyzer Tests

Law enforcement officers in New Hampshire are trained to administer Breathalyzer tests according to specific guidelines to ensure their accuracy and reliability. These guidelines include observing the driver for a certain period before administering the test to ensure that no foreign substances are in the mouth that could affect the results. The officer must also ensure that the Breathalyzer device is properly calibrated and functioning correctly. In some cases, law enforcement officers may use portable Breathalyzer devices at the scene of a traffic stop to obtain a preliminary BAC reading. However, these portable devices are generally considered less reliable than the more sophisticated machines used at police stations. As a result, the results from a portable Breathalyzer test are often not admissible in court, and a more accurate test must be conducted at the station. Understanding the role of law enforcement in administering these tests and the procedures they must follow can be crucial for drivers facing DUI charges. If there is any indication that these procedures were not followed correctly, it may be possible to challenge the Breathalyzer test results in court.

Potential Consequences of a DUI Conviction Based on Breathalyzer Evidence

A DUI conviction in New Hampshire can have serious and lasting consequences. If a Breathalyzer test indicates that a driver’s BAC is above the legal limit, and the test results are deemed admissible in court, the driver could face a range of penalties. These penalties may include fines, license suspension, mandatory alcohol education programs, community service, and even jail time, depending on the circumstances of the offense and whether the driver has previous DUI convictions. In addition to legal penalties, a DUI conviction can have other far-reaching impacts. It can affect a person’s employment, especially if they have a job that requires driving. It can also lead to higher insurance premiums and may even result in the loss of professional licenses in certain fields. For those who hold commercial driver’s licenses, the stakes are even higher. A DUI conviction can lead to a loss of their commercial license, effectively ending their career. Given the potential consequences, it is crucial for anyone facing a DUI charge to understand the role of Breathalyzer evidence and to seek legal representation to explore all possible defenses.

The Importance of Legal Representation in DUI Cases

Navigating the legal system after a DUI arrest can be a daunting experience. The complexities of DUI laws, combined with the potential consequences of a conviction, make it essential for individuals to seek legal representation. A skilled attorney can review the details of the case, including the administration and results of any Breathalyzer tests, to determine whether there are grounds to challenge the evidence. Legal representation can also help negotiate plea deals or alternative sentencing options, potentially reducing the severity of the penalties. In some cases, an attorney may be able to get charges reduced or even dismissed, depending on the circumstances of the arrest and the strength of the evidence against the defendant. Having an attorney who understands the nuances of New Hampshire DUI laws can make a significant difference in the outcome of a case. They can provide valuable guidance on the best course of action, help protect the rights of the accused, and work toward the most favorable resolution possible. If you or a loved one is facing a DUI charge in New Hampshire, it is essential to act quickly and seek professional legal help. The team at Tenn And Tenn, PA, has extensive experience handling DUI cases and can provide the guidance and representation you need during this challenging time. Understanding the role of Breathalyzer tests in DUI arrests and the potential defenses available can make a significant difference in the outcome of your case. Contact Tenn And Tenn, PA, today to schedule a consultation and learn how we can help protect your rights and work toward the best possible resolution.