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Reasonable Suspicion Testing

Last reviewed 11-13-2026

Short answer: Reasonable suspicion testing is ordered when a trained supervisor observes specific signs of possible drug or alcohol use. We can dispatch a collector to your site, 24/7.

  1. Follow your written testing policy. DOT-regulated employers also follow the DOT rules for supervisor observations.
  2. Call (803) 766-0036 and tell us the location, the test type and whether the test is DOT-regulated.
  3. Keep the employee supervised, and do not let them drive, until the collector arrives.

Disclaimer: your policy and the law decide when testing is allowed; we perform the collection.

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