Used THC products in last 6 months, stay away from CDL school.

Discussion in 'Trucking Schools and CDL Training Forum' started by tscottme, Jun 26, 2025 at 2:05 PM.

  1. tscottme

    tscottme Road Train Member

    Most trucking companies test for THC (weed) using a urine analysis test. A few trucking companies will ALSO test your hair for THC. Urine analysis may be able to look back 30 days for light drug use. Hair analysis may look back 90-180 days for THC. Guess who will not get hired at those companies if they show up with not a single hair anywhere on their body?

    Failing a drug test once you get a CDL will ruin your chances of good CDL jobs again. There will always be some company of poor quality willing to hire drivers with failed drug tests. Guess who has unreliable equipment the DOT focuses on for Out of Service violations? Guess which employers pay less or forget to pay drivers? If you work for those companies they know you have no other job options and they take advantage of you.

    CDL school will send you to a urine test at the start of school. Failing your test will not give you a refund.
    CDL schools will tell anyone that listens to pay for CDL school even if they have ZERO chance of ever getting a job in trucking due to their criminal, driving, work history, or no US driver license for the last year.
    It's your job to protect your money/credit. It's not the CDL schools job to protect YOUR money.

    Nobody is interested in a student's opinion of US drug policy. No state's drug policy applies to CDL trucking. The Feds decide the rules and the Feds say no weed. They mean no weed. Don't volunteer for problems and don't cry the world doesn't change to make you happy.
     
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  3. Espressolane

    Espressolane Road Train Member

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    It needs to be understood how this testing works.
    The test does not look for the actual substance, it doesn’t care what the substance is. Testing looks for the metabolites that are produced by the body processing the substance. Everything you ingest has some form of chemical properties that can be found. Some of these metabolites can be at detectable levels for a very long time. THC is a good example. It is a fat soluble compound, in other words it stores in fat, and it is a cumulative compound. These types of compounds also build tolerances. The more you introduce the compounds, the more it takes to achieve the effect. The processing of the compound is in process, you then have to exceed that processing level to have any effect. Adding to the residence of the metabolic markers. If you have been using say THC compounds for 5 years at a high level, it could take a year or more to bring the metabolites to an undetectable level for a DOT test.
     
  4. Tb0n3

    Tb0n3 Road Train Member

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    You say DOT test but most of the long life testing comes from follicle testing which is not DOT approved.
     
  5. Jabuol

    Jabuol Light Load Member

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    You're right, it's not DOT approved...but you still get fired anyway. That fact is not going away any time soon .
     
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  6. Espressolane

    Espressolane Road Train Member

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    There is a reason hair testing is not DOT certified. As does blood, urinalysis and saliva testing, it looks for metabolic markers. The problem is the consistency in results. Hair testing has the highest percentage of finding only two substances, THC and Cocaine, 53 and 62 percent respectively. There are also problems with both false positives and negatives. There are a number of factors that can interfere with testing accuracy. Pigment, melanin and other compounds from foods even can affect the results
     
  7. pastorczo13

    pastorczo13 Bobtail Member

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    I just seems easier just to stay away from those products. CBD oil does help with arthritus pain and such, but you never know if all the THC has been filtered out of it.
     
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  8. Walk Among Us

    Walk Among Us Medium Load Member

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    You should never do drugs anyway. There I said it.:)
     
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  9. Tb0n3

    Tb0n3 Road Train Member

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    I assume you don't drink alcohol or smoke tobacco?
     
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  10. Walk Among Us

    Walk Among Us Medium Load Member

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    That's right. Substances make me very unhappy, uncreative, and uninteresting to be around...every single one of them.
     
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  11. tscottme

    tscottme Road Train Member

    Several people have claimed their CBD use has triggered a false positive drug test. Who knows if the CBD did cause the test failure of if that was their cover story. Either way a failed test is a failed test. It's going to be difficult to impossible to keep a job even if the failed test was due to CBD. I'd recommend anyone subject to drug tests avoid CBD.
     
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