How long does a drug test take & how do you know if you failed? Not all employers will tell you!

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How long does a drug test take & how do you know if you failed? Not all employers will tell you!

How do companies drug test? There are four main methods of drug testing: blood, saliva, urine, and hair. As you can see in the picture below, hair tests go almost 100 days back, because certain dru...