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C.F.R. Title 49 Part 40 Subpart F

Code of Federal Regulations · Subpart

Subpart F — Drug Testing Laboratories

49 C.F.R. pt. 40, subpt. F

  • § 40.81 What Laboratories May Be Used For Dot Drug Testing?
  • § 40.82 What Drugs Do Laboratories Test For?
  • § 40.83 How Do Laboratories Process Incoming Specimens?
  • § 40.84 How Long Does The Laboratory Retain Specimens After Testing?
  • § 40.85 What Are The Cutoff Concentrations For Urine Drug Tests?
  • § 40.86 What Is Urine Validity Testing, And Are Laboratories Required To Conduct It?
  • § 40.87 What Validity Tests Must Laboratories Conduct On Primary Urine Specimens?
  • § 40.88 What Criteria Do Laboratories Use To Establish That A Urine Specimen Is Dilute Or Substituted?
  • § 40.89 What Are The Adulterant Cutoff Concentrations For Initial And Confirmation Urine Tests?
  • § 40.90 What Criteria Do Laboratories Use To Establish That A Urine Specimen Is Invalid?
  • § 40.91 What Are The Cutoff Concentrations For Oral Fluid Drug Tests?
  • § 40.92 What Is Oral Fluid Validity Testing, And Are Laboratories Required To Conduct It?
  • § 40.93 What Validity Tests Must Laboratories Conduct On Primary Oral Fluid Specimens?
  • § 40.97 What Do Laboratories Report And How Do They Report It?
  • § 40.101 What Relationship May A Laboratory Have With An Mro?
  • § 40.107 Who May Inspect Laboratories?
  • § 40.109 What Documentation Must The Laboratory Keep, And For How Long?
  • § 40.111 When And How Must A Laboratory Disclose Statistical Summaries And Other Information It Maintains?
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