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49 U.S.C. 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97.
29 FR 18668, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.
Amdt. 173-224, 55 FR 52617, Dec. 21, 1990, unless otherwise noted.
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Subscribe to: 49 CFR 173.53
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Nomenclature changes to part 173 appear at 70 FR 56098, Sept. 23, 2005.
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. |