The Department of Transportation's (DOT) rule, 49 CFR Part 40, describes required procedures for conducting workplace drug and alcohol testing for the Federally regulated transportation industry.
Subpart A - Administrative provisions
Subpart B - Employer Responsibilities
Subpart C - Urine Collection Personnel
Subpart D - Collection Sites, Forms, Equipment and Supplies Used in DOT Urine Collections
Subpart E - Urine Specimen Collections
Subpart F - Drug Testing Laboratories
Subpart G - Medical Review Officers and the Verification Process
Subpart H - Split Specimen Tests
Subpart I - Problems in Drug Tests
Subpart J - Alcohol Testing Personnel
Subpart K - Testing Sites, Forms, Equipment and Supplies Used in Alcohol Testing
Subpart L - Alcohol Screening Tests
Subpart M - Alcohol Confirmation Tests
Subpart N - Problems in Alcohol Testing
Subpart O - Substance Abuse Professionals and the Return-to-Duty Process
Subpart P - Confidentiality and Release of Information
Subpart Q - Roles and Responsibilities of Service Agents
Subpart R - Public Interest Exclusions
Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
Appendix F
Appendix G
Appendix H