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Title 49

Displaying title 49, up to date as of 6/10/2026. Title 49 was last amended 6/10/2026.
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Title 49TransportationPart / Section
Subtitle BOther Regulations Relating to Transportation100 – 1699
Chapter IPipeline and Hazardous Materials Safety Administration, Department of Transportation100 – 199
Subchapter CHazardous Materials Regulations171 – 185
Part 180Continuing Qualification and Maintenance of Packagings180.1 – 180.605
Subpart AGeneral180.1 – 180.3
§ 180.1Purpose and scope.
§ 180.2Applicability.
§ 180.3General requirements.
Subpart B [Reserved]
Subpart CQualification, Maintenance and Use of Cylinders180.201 – 180.217
Subpart DQualification and Maintenance of IBCs180.350 – 180.352
§ 180.350Applicability and definitions.
§ 180.351Qualification of IBCs.
§ 180.352Requirements for retest and inspection of IBCs.
Subpart EQualification and Maintenance of Cargo Tanks180.401 – 180.417
Subpart FQualification and Maintenance of Tank Cars180.501 – 180.519
Subpart GQualification and Maintenance of Portable Tanks180.601 – 180.605
§ 180.601Applicability.
§ 180.603Qualification of portable tanks.
§ 180.605Requirements for periodic testing, inspection, and repair of portable tanks.
Appendix A to Part 180
Internal Self-closing Stop Valve Emergency Closure Test for Liquefied Compressed Gases
Appendix B to Part 180
Acceptable Internal Self-closing Stop Valve Leakage Tests for Cargo Tanks Transporting Liquefied Compressed Gases
Appendix C to Part 180
Eddy Current Examination With Visual Inspection for DOT 3AL Cylinders Manufactured of Aluminum Alloy 6351-T6
Appendix D to Part 180
Hazardous Materials Corrosive to Tanks or Service Equipment