How to Read a DOT Drug Test Result: Negative, Positive, Dilute, and Invalid
If you’ve ever had to take a Department of Transportation (DOT) drug test (or support someone who has), you know the waiting can be stressful. Even once the result comes back, the wording can feel confusing: “negative,” “positive,” “dilute,” “invalid,” “cancelled,” “refusal”… and suddenly you’re googling at midnight trying to figure out what it all […]
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