What Does a DOT Drug Test Entail?
A Department of Transportation (DOT) drug test is a specific type of drug screening mandated for safety-sensitive positions within the transportation industry. These tests are required by the U.S. Department of Transportation to ensure that individuals in positions such as truck drivers, pilots, and train operators are not under the influence of substances that could impair their ability to perform their duties safely. Here’s what a DOT drug test typically involves: 1. Substance Screening : DOT drug tests generally screen for five major substances: marijuana (THC), cocaine, amphetamines, opiates, and phencyclidine (PCP). These drugs are chosen due to their potential impact on job performance and safety. 2. Testing Procedures : The process usually involves a urine sample, which is collected under strict guidelines to ensure accuracy and prevent tampering. The sample is then sent to a certified laboratory for analysis. 3. Chain of Custody : To maintain the integrity of the sample, a...