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  2. Dangerous goods - Wikipedia

    en.wikipedia.org/wiki/Dangerous_goods

    Following the UN model, the DOT divides regulated hazardous materials into nine classes, some of which are further subdivided. Hazardous materials in transportation must be placarded and have specified packaging and labelling. Some materials must always be placarded, others may only require placarding in certain circumstances. [23]

  3. HAZMAT Class 9 Miscellaneous - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_9_Miscellaneous

    Any material that meets the definition in 49 CFR 171.8 for an elevated temperature material, a hazardous substance, a hazardous waste, or a marine pollutant. A new sub-class, class 9A, has been in effect since January 1, 2017. This is limited to the labeling of the transport of lithium batteries.

  4. 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 ...

  5. Globally Harmonized System of Classification and Labelling of ...

    en.wikipedia.org/wiki/Globally_Harmonized_System...

    The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...

  6. List of UN numbers 1201 to 1300 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_1201_to...

    n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [4]

  7. UN number - Wikipedia

    en.wikipedia.org/wiki/UN_number

    An ID number is a third type of identification number used for hazardous substances being offered for air transport. Substances with an ID number are associated with proper shipping names recognized by the ICAO Technical Instructions. [1] ID 8000, Consumer commodity does not have a UN or NA number, and is classed as a Class 9 hazardous material.

  8. The L.A. wildfires left neighborhoods choking in ash and ...

    www.aol.com/news/l-wildfires-left-neighborhoods...

    EPA contractors remove hazardous materials at a home in Altadena on Wednesday. The U.S. agency is working to clean up areas affected by the L.A. wildfires.

  9. Category:Hazardous materials - Wikipedia

    en.wikipedia.org/wiki/Category:Hazardous_materials

    An equivalent term, used almost exclusively in the United States, is hazardous material (HAZMAT). Dangerous goods may be radioactive, flammable, explosive, toxic, poisonous, corrosive, biohazardous, an oxidizer, an asphyxiant, a pathogen, an allergen, or may have other characteristics that render it hazardous in specific circumstances.