They are essential for complying with 49 CFR regulations and staying safe while transporting dangerous goods. For full functionality of this site it is necessary to enable JavaScript. Here are the instructions how to enable JavaScript in your web browser. DOT Hazmat Labels, Placards, and Markings - A Guide Labels are standard hazmat identifiers, designed to meet certain specifications, and placed on packages, packagings, or overpacks.
Placards are standard hazmat identifiers, designed to meet certain specifications, and placed on outer containers, trucks, cylinders, or other vehicles used for transport.
Hazmat Infographic. Maintaining compliance with Dangerous Goods regulations doesn't stop with packaging and labeling. Shippers need to be aware of placarding requirements before putting their shipments into commerce. Next, look for a symbol in the upper corner. Placards can feature a variety of different symbols to warn of the possibility of an explosion, combustion, destruction of materials and skin by corrosives, radiation, oxidizers, compressed gas, or poison. The last piece of information made readily available by these placards can come in two forms: a four-digit United Nations UN number used to describe the hazardous material such as for acetylene or, more simply, the name of the substance.
Hazardous material placards seem incomprehensible at first glance — nothing more than a jumbled mix of symbols, colors, patterns and numbers. We specialize in hazardous waste pick up, transportation and disposal.
Red and white stripes indicate flammable solids such as matches and magnesium. Red and yellow indicate organic peroxides that can ignite or explode, including methyl ethyl ketone peroxide and benzoyl peroxide. Yellow and white represent radioactive substances often found in medical equipment. Half white and half blac k indicates corrosive materials that can irritate and harm the skin, including batteries, hydrochloric acid, sulfuric acid, and sodium hydroxide.
White with black vertical stripes denote various dangerous goods, including nonclassified, environmentally hazardous substances like asbestos and dry ice. Graphics — Different hazmat placards feature illustrations to reinforce the danger of their contents. For example, placards for toxic materials include an image of a skull and crossbones, while signs for radioactive materials include a radiation symbol consisting of three blades surrounding a small circle.
Rules for Placement According to federal regulations, each freight container, railcar, transport vehicle, or other vessel carrying hazardous materials must display placards on each side and each end.
Get A Quote. Quick Quote Phone Email. Helena St. Kitts and Nevis St. Identification numbers are shown in such a way, that the upper number is indicating the danger and the lower number identifies the substances with the UN-number given in the UN Recommendations on the Transport of Dangerous Goods.
An orange blank placard without any numbers indicates vehicle carrying dangerous load drums, packages, etc. The Kemler Code. The substance's UN Number.
Figure A6 - 5. The first figure of the Kemler Code. The second and third figure. Doubling of a figure indicates an intensification of that particular hazard. Where the hazard associated with a substance can be adequately indicated by a single figure, this is followed by a zero. If a hazard identification number is prefixed by letter 'X', this indicates that the substance will react dangerously with water. The hazard identification number combinations have following meanings:.
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