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  2. Title 49 of the Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Title_49_of_the_Code_of...

    CFR Title 49 - Transportation is one of fifty titles comprising the United States Code of Federal Regulations (CFR). Title 49 is the principal set of rules and regulations (sometimes called administrative law) issued by the Departments of Transportation and Homeland Security, federal agencies of the United States regarding transportation and transportation-related security.

  3. Pipeline and Hazardous Materials Safety Administration

    en.wikipedia.org/wiki/Pipeline_and_Hazardous...

    The Pipeline and Hazardous Materials Safety Administration (PHMSA) is a United States Department of Transportation agency created in 2004, responsible for developing and enforcing regulations for the safe, reliable, and environmentally sound transportation of energy and other hazardous materials.

  4. Testing and inspection of diving cylinders - Wikipedia

    en.wikipedia.org/wiki/Testing_and_inspection_of...

    A cylinder is due to be inspected and tested at the first time it is to be filled after the expiry of the interval as specified by the United Nations Recommendations on the Transport of Dangerous Goods, Model Regulations, or as specified by national or international standards applicable in the region of use.

  5. Hazardous Materials Transportation Act - Wikipedia

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

    Regulations are enforced by use of compliance orders, civil penalties, and injunctive relief, [8] under the discretion of the Secretary of Transportation. As the Act stands now (with its latest amendments), the Department of Transportation (DOT) is most concerned with the test conditions of packages, rather than the transportation conditions.

  6. Gas cylinder - Wikipedia

    en.wikipedia.org/wiki/Gas_cylinder

    A gas cylinder quad, also known as a gas cylinder bundle, is a group of high pressure cylinders mounted on a transport and storage frame. There are commonly 16 cylinders, each of about 50 litres capacity mounted upright in four rows of four, on a square base with a square plan frame with lifting points on top and may have fork-lift slots in the ...

  7. 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]

  8. Hydrostatic test - Wikipedia

    en.wikipedia.org/wiki/Hydrostatic_test

    DOT-3AA gas cylinders must be tested every 5 years and have an unlimited life. (Unless stamped with a star (*) in which case the cylinder meets certain specifications and can have a 10-year hydrostatic test life). Typically organizations such as DOT PHMSA, ISO, ASTM and ASME specify the guidelines for the different types of pressure vessels.

  9. HAZMAT Class 2 Gases - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_2_Gases

    Gas poisonous by inhalation means a material which is a gas at 20 °C or less and a pressure of 101.3 kPa (a material which has a boiling point of 20 °C or less at 101.3kPa (14.7 psi)) and which: Is known to be so toxic to humans as to pose a hazard to health during transportation, or