49 CFR § 173.53
Provisions for using old classifications of explosives
November 18, 2020
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:
Open Table
| 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. |
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