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Regulations last checked for updates: May 14, 2025
Title 49 - Transportation last revised: Mar 20, 2025
All Titles
Title 49
Chapter I
Part 172 - PART 172—HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, TRAINING REQUIREMENTS, AND SECURITY PLANS
Subpart A [§ 172.1 - § 172.3] - Subpart A—General
Subpart B [§ 172.101 - § 172.102] - Subpart B—Table of Hazardous Materials and Special Provisions
Subpart C [§ 172.200 - § 172.205] - Subpart C—Shipping Papers
Subpart D [§ 172.300 - § 172.338] - Subpart D—Marking
Subpart E [§ 172.400 - § 172.450] - Subpart E—Labeling
Subpart F [§ 172.500 - § 172.560] - Subpart F—Placarding
Subpart G [§ 172.600 - § 172.606] - Subpart G—Emergency Response Information
Subpart H [§ 172.700 - § 172.704] - Subpart H—Training
Subpart I [§ 172.800 - § 172.822] - Subpart I—Safety and Security Plans
Subpart 0 -
Appendix Appendix A - Appendix A to Part 172—Office of Hazardous Materials Transportation Color Tolerance Charts and Tables
Appendix Appendix B - Appendix B to Part 172—Trefoil Symbol
Appendix Appendix C - Appendix C to Part 172—Dimensional Specifications for Recommended Placard Holder
Appendix Appendix D - Appendix D to Part 172—Rail Risk Analysis Factors
authority:
49 U.S.C. 5101-5128
,
44701
;
49 CFR 1.81
, 1.96 and 1.97
source:
Amdt. 172-29, 41 FR 15996, Apr. 15, 1976, unless otherwise noted.
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