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  1. NCMS Contractor Support
  2. DOT Regulations - 49 CFR Part 40
  3. Other DOT Guidance

Other DOT Guidance

  • 2025 DOT Random Testing Rates
  • What Employers Need to Know About DOT Drug and Alcohol Testing
  • DOT Pre-Employment Alcohol Testing
  • DOT's What If I Refuse Poster
  • DOT’s Direct Observation Procedures
  • DOT "CBD" Notice
  • DOT "Recreational Marijuana" Notice
  • DOT "Medical Marijuana" Notice
  • HIPAA Statement
  • Substance Abuse Professional Guidelines
  • Urine Specimen Collection Guidelines
  • Oral Fluid Specimen Collection Procedures Guidelines
  • What Employers Need to Know About Monitoring Collection Sites

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FAQ
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