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6.5.4 Carrier Responsibilities When a Driver Tests Positive

Action must be taken when an employer receives a verified positive drug test result for a driver as described below.

Positive Driver Test Result

Motor Carrier Responsibility

  • Alcohol
    0.04 or Higher Alcohol Concentration
  • Controlled Substance
    Verified Positive Test Result

The employer must immediately remove the employee involved from any safety-sensitive functions. Do not wait for written verification of the test results. For full explanation, see 49 CFR 382.501, 49 CFR 40.23, Subpart B¿Employer Responsibilities.

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