
Employers who require breath alcohol tests must uphold accuracy, fairness, and respect at every stage of the process. A breathalyzer test can affect a person’s career, reputation, and workplace relationships. For that reason, each step demands careful attention, sound judgment, and strict adherence to established policy.
Errors during a breath alcohol test may expose an organization to legal disputes, damaged morale, and loss of trust. Even minor oversights can call results into question and weaken confidence in the employer’s procedures. When leaders understand what to avoid, they protect the organization and the employees it serves.
The things to avoid when conducting a breathalyzer test highlight practical concerns that can compromise accuracy, fairness, or compliance. A thoughtful approach reduces risk and supports a respectful and defensible testing program.
Failing to Follow Written Policy
An employer must never conduct a breath alcohol test without strict adherence to a clear, written workplace substance policy. Employers regulated by federal guidelines must also ensure their policies reflect current Part 40 and modality regulations. Deviations from established policies, or regulations will create confusion, inconsistency, and potential legal exposure for the organization. Because DOT testing is a gold standard, employers not regulated by federal regulations adopt similar testing protocols.
When the person administrating a testimprovises or skips required steps, employees may perceive unfair treatment or discrimination. Such perceptions can damage morale and invite formal complaints or legal challenges. Consistent application of written policy strengthens credibility and supports defensible employment decisions.
Neglecting Proper Training for Test Administrators
Employers should verify breath alcohol testing is conducted by alcohol technicians that have the proper training and certification. Inadequate knowledge of federal regulations and equipment operation may result in inaccurate readings and invalid results. A trained breath alcohol technician (BAT) understands screening and confirmation testing steps, proper documentation, and required monthly accuracy check measures.
Without correct instruction, a testing technician may mishandle the device or misinterpret displayed results. These errors can undermine disciplinary action and compromise workplace safety efforts. Proper preparation ensures that each test meets regulatory and organizational standards.
Using Uncalibrated or Poorly Maintained Equipment
A breathalyzer device requires regular calibration checks (also known as accuracy checks) and maintenance to produce reliable results. Employers must ensure the person responsible for testing is conducting regular calibration (accuracy) checks according with the device manufacturer’s quality assurance plan (QAP). Devices not subjected to regular accuracy checks can fall out of their allowable tolerance range and produce false results,
Maintenance records should document inspection and maintenance dates and accuracy check or calibration maneuver outcomes for each device in use. Failure to maintain these records may weaken the organization’s position during disputes. Reliable equipment protects employees from inaccurate accusations and protects employers from liability.
Ignoring Employee Privacy Rights
Employers must conduct breath alcohol tests in a manner that respects employee privacy and dignity. Public or highly visible testing environments can cause embarrassment and unnecessary distress. Respectful procedures foster trust and reinforce fairness within the workforce.
Testing should occur in a private location with limited access to authorized personnel. Conversations about results must remain confidential and restricted to those with legitimate need. Safeguarding privacy reduces the likelihood of defamation claims and workplace tension. In the case of a post-accident test, where the breath alcohol technician must travel to the accident site to conduct the test, the DOT requires the BAT to create as much privacy during the test as possible.
Overlooking Observation Period Requirements
Many testing protocols require a fifteen-minute observation period before a breath alcohol confirmation test is performed. Observation periods are only allowed following a positive screening test and before the final confirmation test in performed. Failure to observe required observation period will result in a canceled test.
During this interval, the employee must not put anything in their mouth such as consume food, beverages, or tobacco products. Alcohol technicians should clearly explain these restrictions before the test begins. Adherence to observation standards strengthens the integrity of the final test result.
Disregarding Clear Communication
Clear communication forms the foundation of a fair and effective breath alcohol testing process. A lack of transparency can damage trust and create unnecessary conflict in the workplace. To avoid these risks, employers must pay careful attention to the following communication failures:
- Failing to Explain the Reason for Testing: An employee should understand whether the test is random, post-incident, reasonable suspicion, or part of a scheduled program. Without this explanation, the employee may assume unfair targeting or retaliation.
- Providing Vague or Incomplete Instructions: The breath alcohol technician must clearly describe how the test will proceed and what the employee must do. Unclear instructions can result in improper breath samples or repeated attempts.
- Using Confrontational or Accusatory Language: Tone matters during sensitive procedures such as alcohol testing. Aggressive or judgmental language can escalate tension and create hostility. Professional and neutral language helps maintain respect and cooperation.
- Failing to Explain the Next Steps After Testing: Once the test concludes, the employee should understand what will happen next. This includes handling results, who will receive them, and what actions may follow. Clear post-test communication prevents rumors and unnecessary workplace disruption.
Failing to Confirm Positive Results Properly
Employers should avoid immediate disciplinary action without confirmation of positive breath alcohol results. Skipping confirmation testing may expose the organization to legal disputes. DOT regulations require confirmation testing following the 15-minute observation period. No disciplinary actions can be taken until results are received.
Confirmatory procedures protect the employee and the employer from erroneous conclusions. A structured verification process reinforces fairness and due process. Investing in high-quality drug and alcohol testing products is one of the best solutions to ensure accurate, consistent, and defensible workplace alcohol testing outcomes.
Rushing the Documentation Process
One of the most important things to avoid when conducting a breathalyzer test is rushing post-test documentation because it forms the backbone of a defensible breath alcohol testing program. Employers must avoid haste when they complete required forms and record results. Incomplete or inaccurate paperwork can cause a test to be canceled.
Alcohol testing forms (ATF) must include information about the company ordering the test, information about the employee taking the test, the testing dates, times, device identification, test result expressed as a 3 digit BrAC. and BAT name and company information. Omissions or discrepancies may create a delay in finalizing the test or cancelation of the test. For all DOT alcohol tests, there is a specific form, called the Alcohol Testing Form or ATF that has been approved. This form is the only form that can be used when conducting a DOT alcohol test. Careful recordkeeping strengthens organizational credibility and supports fair employment action.
Allowing Bias or Retaliation to Influence Testing
Employers must never allow personal conflict, suspicion, or retaliation to influence a decision to administer a breath alcohol test. Selective testing without an objective basis may constitute discrimination. Objective criteria found in random selection software offer scientific selection methods and protect organizations from claims of unfair treatment.
In the case of reasonable suspicion testing, a supervisor should rely on documented observations of the employee’s behavior, appearance, speech, smell, or performance to make their testing determinations. Personal opinions or unrelated grievances must not shape testing decisions. Fair application of standards fosters trust and upholds organizational integrity.
Ignoring Post-Test Procedures and Support
After completion of a breath alcohol test, employers should avoid neglect of follow-up procedures outlined in policy. Employees may require information about next steps, rights, or available assistance programs. Clear direction prevents confusion and speculation within the workplace.
When a test result is positive, employers should follow established disciplinary and referral procedures. Failure to act consistently can undermine the credibility of the testing program. Structured response ensures fairness and supports a safe work environment.
A breath alcohol test represents more than a technical procedure; it reflects an organization’s commitment to safety, fairness, and accountability. Employers who understand what to avoid reduce risk and strengthen confidence in their workplace policies. Careful preparation, trained personnel, and reliable equipment form the foundation of a defensible testing program.
Each stage of the process, from policy adherence to documentation and follow-up, demands disciplined attention. Respect for employee rights and accurate procedures protects individual dignity and organizational reputation. When employers eliminate these common mistakes, they create a safer workplace and a stronger culture of trust.

