Drug tests are available for opioids, methamphetamine, cocaine, marijuana, barbiturates, phencyclidine, ...
On September 2, the 2025 Quest Diagnostics Drug Testing Index revealed that the percentage of employees in the general U.S. workforce testing positive for fentanyl in random drug tests far exceeded ...
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[Stay on top of transportation news: Get TTNews in your inbox.] Motor carriers must continue to conduct random drug tests with 50% of their truck drivers and random alcohol tests with 10% of their ...
Some adults who take prescription medication for attention-deficit/hyperactivity disorder are required to have their urine tested for drugs several times a year ...
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