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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 49
Chapter I
Part 109 - PART 109—DEPARTMENT OF TRANSPORTATION HAZARDOUS MATERIAL PROCEDURAL REGULATIONS
Subpart A [§ 109.1 - § 109.1] - Subpart A—Definitions
Subpart B [§ 109.3 - § 109.16] - Subpart B—Inspections and Investigations
Subpart C [§ 109.17 - § 109.21] - Subpart C—Emergency Orders
Subpart D [§ 109.25 - § 109.25] - Subpart D—Equipment
Subpart E [§ 109.101 - § 109.103] - Subpart E—Prohibition on Hazardous Materials Operations After Nonpayment of Penalties
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