Ask X3What does 49 CFR 173.53 (Provisions for using old classifications of explosives) require?
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Based on 49 CFR 173.53, this section provides a table that you can use to compare old explosive hazard class names (in effect prior to January 1, 1991) with current classifications, specifically when the old classification system is referenced in State or local laws, ordinances, or regulations that do not pertain to the transportation of hazardous materials.
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