49 CFR 173.53 : Transportation (§ 1.1 To Parts 1581-1699) — (Parts 100-104 To § 177.870) — Other Regulations Relating To Transportation (Parts 100-104 To § 177.870) — Pipeline And Hazardous Materials Safety Administration, Department Of Transportation (Parts 100-104 To § 177.870) — Hazardous Materials Regulations (§ 171.1 To § 177.870) — Shippers - General Requirements For Shipments And Packagings (§ 173.1 To Appendix H To Part 173) — Definitions, Classification And Packaging For Class 1 (§ 173.50 To § 173.66) — Provisions for using old classifications of explosives.

4 Aug 2016

Where the classification system in effect prior to January 1, 1991, is referenced in State or local laws, ordinances or regulations not pertaining to the transportation of hazardous materials, the following table may be used to compare old and new hazard class names:

Current classification	Class name prior to Jan. 1, 1991
Division 1.1	Class A explosives.
Division 1.2	Class A or Class B explosives.
Division 1 3	Class B explosive.
Division 1.4	Class C explosives.
Division 1.5	Blasting agents.
Division 1.6	No applicable hazard class.

49 CFR 173.53