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  2. List of NA numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_NA_numbers

    The NA numbers (North American Numbers are assigned by the United States Department of Transportation, supplementing the larger set of UN numbers, for identifying hazardous materials. NA numbers largely duplicate UN numbers, however a selection of additional numbers are provided for materials that are not covered by UN numbers as a hazardous ...

  3. Hazardous Materials Transportation Act - Wikipedia

    en.wikipedia.org/wiki/Hazardous_Materials...

    After the September 11 attacks, Congress considered new security measures to the Act, including background checks for truck drivers, requiring shipping companies to create alternative security plans, the use of electronic tracking devices to pinpoint exact locations of hazardous materials and their transporters, and creating strict federal ...

  4. List of UN numbers 0001 to 0100 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_0001_to...

    Personal tools. Donate; Create account; Log in; Pages for logged out editors learn more. Contributions; ... Search. List of UN numbers 0001 to 0100. 4 languages ...

  5. UN number - Wikipedia

    en.wikipedia.org/wiki/UN_number

    A United States placard showing the UN number 1814, indicating potassium hydroxide solution, on a railroad tank car.. A UN number (United Nations number) is a four-digit number that identifies hazardous materials, and articles (such as explosives, flammable liquids, oxidizers, toxic liquids, etc.) in the framework of international trade and transport.

  6. UN Recommendations on the Transport of Dangerous Goods

    en.wikipedia.org/wiki/UN_Recommendations_on_the...

    "Dangerous goods" (also known as "hazardous materials" or "HAZMAT" in the United States) may be a pure chemical substance (e.g. TNT, nitroglycerin), mixtures (e.g. dynamite, gunpowder) or manufactured articles (e.g. ammunition, fireworks). The transport hazards that they pose are grouped into nine classes, which may be subdivided into divisions ...

  7. United States Postal Inspection Service - Wikipedia

    en.wikipedia.org/wiki/United_States_Postal...

    The United States Postal Inspection Service (USPIS), or the Postal Inspectors, is the federal law enforcement arm of the United States Postal Service.It supports and protects the U.S. Postal Service, its employees, infrastructure, and customers by enforcing the laws that defend the United States' mail system from illegal or dangerous use.