USDOT HazMat Placards
These pages provide US DOT (U.S. Department of Transportation) definitions for each hazmat placard used in transportation. Title 49 of the United States Code of Federal Regulations (49CFR) also known as the Federal Motor Carriers Safty Regulations (FMCSR) requires the use hazardous materials placards when shipping hazardous materials cargo and dangerous goods in the United States. Canada, Mexico and many other countries have simular regulations that also require the use of these placards.
Clipart CD of Placards Available
CDs containing high-resolution "clipart" versions of each hazmat placard can be purchased from us for $50 U.S. including shipping (via U.S. Mail). For more information and/or to order the CD, please see our placarding CD ordering page.
Other Related Markings
Dangerous
49 CFR 172.504(b)
A freight container, unit load device, transport vehicle, or rail car which contains non-bulk packages with two or more categories of hazardous materials that require different placards specified in Table 2 of 49 CFR 172.504(e) may be placarded with a DANGEROUS placard instead of the separate placarding specified for each of the materials in Table 2 of 49 CFR 172.504(e). However, when 1,000 kg (2,205 pounds) aggregate gross weight or more of one category of material is loaded therein at one loading facility on a freight container, unit load device, transport vehicle, or rail car, the placard specified in Table 2 of paragraph (e) of this section for that category must be applied.
Marine Pollutant
49 CFR 171.8
A material which is listed in appendix B to 49 CFR 172.101 of this subchapter (also see 49 CFR 171.4) and, when in a solution or mixture of one or more marine pollutants, is packaged in a concentration which equals or exceeds:
- Ten percent by weight of the solution or mixture for materials listed in the appendix; or
- One percent by weight of the solution or mixture for materials that are identified as severe marine pollutants in the appendix.
Last updated: March 2000
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