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DOT drug screen ensures federal compliance for your drivers

WDTC coordinates DOT drug screens and non-DOT drug tests

DOT drug screens form the basis of federal safety guidelines for drivers required to hold a commercial driver’s license (CDL). While that requirement is an obvious starting point in meeting driver safety minimums, Wisconsin Drug Testing Consortium (WDTC) customers rely on us to stay up to date on changes surrounding DOT drug screen procedures, as well as non-DOT drug tests.

Our nationwide DOT drug screen collection capabilities make it easy for drivers to fulfill these requirements without sacrificing time on the road. This is particularly the case with random drug tests, where the Federal Motor Carrier Safety Administration (FMCSA) periodically updates minimum testing percentages.

Owner-operators and other small to mid-sized employers benefit from participating in consortiums such as ours by leveraging enhanced driver counts. DOT drug screens include pre-employment and post-accident drug and alcohol tests. Random tests are required at the rate of 50 percent of the average number of driver positions for controlled substances and 10 percent of that number for alcohol.

Here is what they look for in a DOT drug screen

DOT drug screens check for five classes of drugs as part of laboratory testing protocols. You can find specific drug concentration cutoff levels on the Substance Abuse and Mental Health Services Administration’s (SAMHSA) website:

  • Marijuana
  • Cocaine
  • Opiates (opium and codeine derivatives)
  • Amphetamines and methamphetamines
  • PCP (Phencyclidine)

DOT alcohol tests look for alcohol concentrations of 0.02 and greater.

In addition to the standard pre-employment and post-accident drug tests, drivers are required to submit to a DOT drug screen when selected for a random test; reasonable suspicion (drivers who appear to be under the influence of drugs or alcohol); return to duty (required for drivers who test positive, refused, or otherwise violate prohibitions of the law); and follow-up tests (prescribed by a substance abuse professional a minimum of six times in 12 months).

Your drivers can access any of our approximately 17,000 drug testing centers across America, including our own facilities in Green Bay, Appleton and Oshkosh, Wisconsin. Just as importantly, WDTC can eliminate the confusion of DOT drug screen regulations for you and your staff.

About Wisconsin Drug Testing Consortium

Wisconsin Drug Testing Consortium is an accredited, Certified Third Party Administrator (C-TPA), and specializes in consortium management; a variety of drug testing methods, including urine, hair and fingernails; post-accident testing; pre-employment drug tests; criminal background checks; supervisor training programs to keep employees compliant with DOT regulations; pre-employment DOT physicals; and paternity DNA testing. Headquartered in Green Bay, WDTC also has offices in Oshkosh and Appleton, Wisconsin. Call 888-784-8842 or visit for more information.

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