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Placards on Large Means of Containment
  1. Placards and UN numbers must be displayed on each side and each end of a large means of containment (> 450 litres) if the dangerous goods:
    1. have a total gross mass greater than 500 kg;
    2. are in a quantity or concentration that requires an emergency response assistance plan
    3. (ERAP1);
    4. are a liquid or a gas in direct contact with the means of containment;
    5. are included in Class 7, Radioactive Materials, for which a Category III Yellow label is required are a liquid or a gas in direct contact with the means of containment; or
    6. are included in Class 1.1, 1.2, 1.3 or 1.5 and are
      • (i) not subject to special provision 85 or 86 and exceed 10 kg net explosives quantity, or
      • (ii) subject to special provision 85 or 86 and the number of articles exceeds 1 000.
  1. The UN number must appear on the placard or on a rectangular orange panel next to the placard.