Employers typically use urine, saliva, or hair follicle tests. Urine tests are common due to their cost-effectiveness and quick results. Hair tests can detect substance use over a longer period, while saliva tests are useful for recent drug use.
Employers typically use urine, saliva, or hair follicle tests. Urine tests are common due to their cost-effectiveness and quick results. Hair tests can detect substance use over a longer period, while saliva tests are useful for recent drug use.
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