['Hazmat markings, Placards, and Labels']
['Hazmat Labels']
11/11/2024
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This chapter familiarizes you with the labeling requirements for non-bulk packages containing hazardous materials. Most labeling requirements are found in Subpart E of Part 172.
Labels are printed on or affixed to packages containing hazardous materials. Labels are color- and symbol-coded to provide easy and immediate warning of the hazardous materials inside the package. The regulations have specific requirements for design, use, placement, prohibitions, and exceptions for labels.
Scope
Anyone offering or accepting a hazardous material for shipment must ensure the package is labeled according to the applicable sections of the Hazardous Materials Regulations (HMR).
Regulatory citations
- 49 CFR Part 172, Subpart E — Labeling
Key definitions
- Dewar flask: An insulating storage vessel that greatly lengthens the time over which its contents remain hotter or cooler than the flask’s surroundings. The vacuum flask consists of two flasks, placed one within the other and joined at the neck. The gap between the two flasks is partially evacuated of air, creating a near-vacuum which significantly reduces heat transfer by conduction or convection.
- Limited quantity: When specified as such in a section applicable to a particular material, means the maximum amount of a hazardous material for which there is a specific labeling or packaging exception.
- Overpack: An enclosure that is used by a single consignor to provide protection or convenience in handling of a package or to consolidate two or more packages. Overpack does not include a transport vehicle, freight container, or aircraft unit load device. Examples of overpacks are one or more packages:
- Placed or stacked onto a load board such as a pallet and secured by strapping, shrink wrapping, stretch wrapping, or other suitable means; or
- Placed in a protective outer packaging such as a box or crate.
- Primary label: A hazard warning label that corresponds with the primary hazard of the material.
- Subsidiary label: A hazard warning label that corresponds with the subsidiary hazard of the material.
Summary of requirements
- Labeling is primarily the responsibility of the shipper.
- Most non-bulk packages require labels.
- Labels must be clearly visible and not obscured by markings or attachments.
- Each label must be printed on or affixed to a background of contrasting color, or must have a dotted or solid line outer border.
- The label must be printed on or affixed to a surface (other than the bottom) of the package. If possible, the label should be located on the same surface of the package and near the proper shipping name marking.
- Only certain labels can be modified.
- Labels must meet certain specifications for durability, design, size, and color.
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['Hazmat markings, Placards, and Labels']
['Hazmat Labels']
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Copyright 2024 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.