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Final Rule on Procedures for Transportation Workplace Drug and Alcohol Testing Programs
About this Document
The Department of Transportation is amending certain provisions of its drug and alcohol testing procedures to change instructions to collectors, laboratories, medical review officers, and employers regarding adulterated, substituted, diluted, and invalid urine specimen results.
These changes are intended to create consistency with specimen validity requirements established by the U.S. Department of Health and Human Services and to clarify and integrate some measures taken in two of our own Interim Final Rules. This Final Rule makes specimen validity testing mandatory within the regulated transportation industries.
Updated: Tuesday, September 4, 2012