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  2. HAZMAT Class 6 Toxic and infectious substances - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_6_Toxic_and...

    In the absence of LC 50 data on the poisonous (toxic) constituent substances, the mixture may be assigned a packing group and hazard zone based on simplified threshold toxicity tests. When these threshold tests are used, the most restrictive packing group and hazard zone must be determined and used for the transportation of the mixture.

  3. 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 ...

  4. Commercial driver's license - Wikipedia

    en.wikipedia.org/wiki/Commercial_driver's_license

    Required to transport hazardous materials in commerce. This endorsement, by federal law, requires the driver to be at least 21 years of age, pass a medical background test, pass a TSA background test, and be fingerprinted for any prior criminal conviction. Combination of tank vehicle and hazardous material. X Knowledge Tests Yes Yes Yes

  5. Federal Motor Carrier Safety Administration - Wikipedia

    en.wikipedia.org/wiki/Federal_Motor_Carrier...

    On February 7, 2022, new regulations have been put into place regarding obtaining a commercial driver's license, upgrading an existing CDL license or obtaining a passenger, school bus or hazmat endorsement. The new regulation adjusted the minimum training standards.

  6. HAZMAT Class 2 Gases - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_2_Gases

    An aerosol must be assigned to Division 2.1 if it is deemed flammable in accordance with the appropriate tests of the UN Manual of Tests and Criteria for flammability. Division 2.2: Non-Flammable, Non-Toxic Gas This division includes compressed gas, liquefied gas, pressurized cryogenic gas, compressed gas in solution, asphyxiant gas and ...

  7. Dangerous goods - Wikipedia

    en.wikipedia.org/wiki/Dangerous_goods

    Certain dangerous goods that pose risks even when not being transported are known as hazardous materials (syllabically abbreviated as HAZMAT or hazmat). An example for dangerous goods is hazardous waste which is waste that has substantial or potential threats to public health or the environment .

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