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U.S. DOT Medical Marijuana Notice

by NDASA | Apr 23, 2021 | For Drug Testing Industry Professionals, Marijuana & CBD, Resources

“Medical Review Officers will not verify a drug test as negative based upon information that a physician recommended that the employee use “medical marijuana.” Please note that marijuana remains a drug listed in Schedule I of the Controlled Substances Act. It remains...
How the Collector can make the MRO’s job easier and ensure a smooth screening process

How the Collector can make the MRO’s job easier and ensure a smooth screening process

by Guest Contributer | Mar 9, 2021 | Drug & Alcohol Testing, Feature

By Dr. William D. Brooks, American Association of Medical Review Officers (AAMRO), Founding Member, Past V.P., Trainer, Advisory Board Member GAC & Education Committee NDASA, OStG Today’s litigious marketplace requires all participants in a drug testing program to...

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Latest News & Updates

  • Jan 19, 2026The national criminal search lie: How the industry is selling garbage data and calling it due diligence
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  • The national criminal search lie: How the industry is selling garbage data and calling it due diligence
  • The show must go on – Applying program management to drug testing
  • Cannabis in the workplace: Why policy alone isn’t enough and how education can close the gap
  • Why there’s no one-size-fits-all drug testing policy — and how smart testing saves lives
  • What employers are saying about the future of drug testing

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