Code of Federal Regulations > Title 49 > Chapter A > Part 40 - PART 40—PROCEDURES FOR TRANSPORTATION WORKPLACE DRUG AND ALCOHOL TESTING PROGRAMS

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

Subpart A [§ 40.1 - § 40.7] - Subpart A—Administrative Provisions

Subpart B [§ 40.11 - § 40.27] - Subpart B—Employer Responsibilities

Subpart C [§ 40.31 - § 40.36] - Subpart C—Specimen Collection Personnel

Subpart D [§ 40.40 - § 40.51] - Subpart D—Collection Sites, Forms, Equipment and Supplies Used in DOT Urine and Oral Fluid Collections

Subpart E [§ 40.61 - § 40.79] - Subpart E—Specimen Collections

Subpart F [§ 40.81 - § 40.111] - Subpart F—Drug Testing Laboratories

Subpart G [§ 40.121 - § 40.167] - Subpart G—Medical Review Officers and the Verification Process

Subpart H [§ 40.171 - § 40.187] - Subpart H—Split Specimen Tests

Subpart I [§ 40.191 - § 40.210] - Subpart I—Problems in Drug Tests

Subpart J [§ 40.211 - § 40.215] - Subpart J—Alcohol Testing Personnel

Subpart K [§ 40.221 - § 40.235] - Subpart K—Testing Sites, Forms, Equipment and Supplies Used in Alcohol Testing

Subpart L [§ 40.241 - § 40.247] - Subpart L—Alcohol Screening Tests

Subpart M [§ 40.251 - § 40.255] - Subpart M—Alcohol Confirmation Tests

Subpart N [§ 40.261 - § 40.277] - Subpart N—Problems in Alcohol Testing

Subpart O [§ 40.281 - § 40.311] - Subpart O—Substance Abuse Professionals and the Return-to-Duty Process

Subpart P [§ 40.321 - § 40.333] - Subpart P—Confidentiality and Release of Information

Subpart Q [§ 40.341 - § 40.355] - Subpart Q—Roles and Responsibilities of Service Agents

Subpart R [§ 40.361 - § 40.413] - Subpart R—Public Interest Exclusions

Appendix Appendix A - Appendix A to Part 40—DOT Standards for Urine Collection Kits

Appendix Appendix B - Appendix B to Part 40—Oral Fluid Collection Kit Contents

Appendix Appendix C - Appendix C to Part 40 [Reserved]

Appendix Appendix D - Appendix D to Part 40—DOT Drug Testing Semi-Annual Laboratory Report to Employers

Appendix Appendix E - Appendix E to Part 40—Drug Testing Semi-Annual Laboratory Report to DOT

Appendix Appendix F - Appendix F to Part 40—Report Format: Split Specimen Failure To Reconfirm

Appendix Appendix G - Appendix G to Part 40—SAP Equivalency Requirements for Certification Organizations

Appendix Appendix H - Appendix H to Part 40—Drug and Alcohol Testing Information that C/TPAs May Transmit to Employers

Appendix Appendix I - Appendix I to Part 40—Alcohol Testing Form

Appendix Appendix J - Appendix J to Part 40—DOT Drug and Alcohol Testing Management Information System (MIS) Data Collection Form