DOT Breath Alcohol Testing (BAC)
DOT Consortium provides DOT Breath Alcohol Testing utilizing the Breathalyzer alcohol screening method. The Breath Alcohol Testing method is commonly used for DOT regulated employees or Non DOT employees for random, reasonable and post-accident testing to determine Blood Alcohol content in real time with DOT Breath Alcohol Testing. Same day service is available and testing centers are located in all cities and in most cases within minutes from your home or office.
The U.S. Department of Transportation (DOT) requires an alcohol test for random, reasonable suspicion and post-accident testing utilizing a DOT approved device. The common device used for a DOT alcohol test is an Evidential Breath Testing Device (EBT).
To schedule a DOT Pre-Employment Drug Test or to join the DOT random pool/consortium, Schedule online 24/7 or Call (800)221-4291.
BAC Test Result Action
- Less than 0.02: No action required under 49 CFR Part 40
- 0.02-0.039: Varies among DOT agencies. For example, FMCA requires that you not resume safety sensitive functions for 24 hours, while the FRA requires 8 hours. The FTA & PHMSA require only that you test below a 0.02 or you cannot work until next scheduled duty period but not less than 8 hours from the time of the test. Also, the FAA requires only that you test below 0.02, if the employer wants to put you back to work within 8 hours. Also, be sure to check other agency specific regulations for their restrictions.
- 0.04 or greater: Immediate removal from safety-sensitive functions. You may not resume safety-sensitive functions until you successfully complete the return-to-duty process.
A breathalyzer is a term used for a device that tests the alcohol content level in a person’s system at the time the test is conducted. This type of test is different than other types commonly used tests. Because it establishes an alcohol content level that is in the system currently and not what was consumed and expunged days ago.
A breathalyzer test is administered by a certified breath alcohol technician and a chain of custody form is utilized through the process. In the event that a breath alcohol test has a positive result on the initial screening, the technician will administer a confirmation test approximately 15 minutes after the first initial test was conducted.
Breath alcohol testing is commonly used for employees regulated by the Department of Transportation (DOT) or individuals on court ordered probation or in a substance abuse treatment program. A breath alcohol test is also the common method used by law enforcement to determine if a person is driving under the influence of alcohol.
Absorption of alcohol continues for anywhere from 20 minutes (on an empty stomach) to two-and-one-half hours (on a full stomach) after the last consumption. Peak absorption generally occurs within an hour. During the initial absorptive phase, the distribution of alcohol throughout the body is not uniform. Uniformity of distribution, called equilibrium, occurs just as absorption completes. In other words, some parts of the body will have a higher blood alcohol content (BAC) than others. One aspect of the non-uniformity before absorption is complete is that the BAC in arterial blood will be higher than in venous blood. Other false positive of high BAC and also blood reading are related to Patients with proteinuria and hematuria, due to kidney metabolization and failure. The metabolization rate of related patients with kidney damage is abnormal in relation to percent in alcohol in the breath. However, since potassium dichromate is a strong oxidizer, numerous alcohol groups can be oxidized by kidney and blood filtration, producing false positives.
During the initial absorption phase, arterial blood alcohol concentrations are higher than venous. After absorption, venous blood is higher. This is especially true with bolus dosing. With additional doses of alcohol, the body can reach a sustained equilibrium when absorption and elimination are proportional, calculating a general absorption rate of 0.02/drink and a general elimination rate of 0.015/hour. (One drink is equal to 1.5 ounces of liquor, 12 ounces of beer, or 5 ounces of wine.)
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