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Subpart B of Part 173, Title 49 of the Hazardous Materials Regulations

Subpart B of Part 173, Title 49 of the Hazardous Materials Regulations

Subpart B of Part 173, Title 49 of the Hazardous Materials Regulations

The shipper of a hazardous materials has many responsibilities under the Hazardous Materials Regulations (HMR) of PHMSA/USDOT.  One of them is to comply with the applicable requirements of 49 CFR 173, subpart B – Preparation of Hazardous Materials for Transportation.  These are sometimes referred to in the HMR as the “general packaging requirements”.  The regulations of subpart B primarily apply to the packaging of the HazMat and the responsibility of the shipper for its assembly, loading and/or unloading, its closure, and its use in transportation.  It will take more space than I have here to explain all of subpart B.  Instead, below I will list the citations and section titles for all of subpart B.  If you have a question on any section you see below, please don’t hesitate to contact me for more information.

49 CFR 173, subpart B – Preparation of Hazardous Materials for Transportation

Citation in Title 49 of the Code of Federal Regulations (CFR)Section Title
173.21Forbidden materials and packages.
173.22Shipper's responsibility.
173.22aUse of packagings authorized under special permits.
173.23Previously authorized packaging.
173.24General requirements for packagings and packages.
173.24aAdditional general requirements for non-bulk packagings and packages.
173.24bAdditional general requirements for bulk packagings.
173.25Authorized packagings and overpacks.
173.26Quantity limitations.
173.27General requirements for transportation by aircraft.
173.28Reuse, reconditioning and remanufacture of packagings.
173.29Empty packagings.
173.30Loading and unloading of transport vehicles.
173.31Use of tank cars.
173.32Requirements for the use of portable tanks.
173.33Hazardous materials in cargo tank motor vehicles.
173.34[Reserved]
173.35Hazardous materials in IBCs.
173.36Hazardous materials in Large Packagings.
173.37Hazardous Materials in Flexible Bulk Containers.
173.40General packaging requirements for toxic materials packaged in cylinders.
173.41Sampling and testing program for unrefined petroleum-based products.

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