Chapter 6.4
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.205(81) - Adoption of Amendments to the International Maritime Dangerous Goods (IMDG) Code - (Adopted on 18 May 2006) - Annex - Amendments to the International Maritime Dangerous Goods (IMDG) Code (Resolution MSC.122(75)) - Part 6 - Chapter 6.4

Chapter 6.4

  6.4.5.2.2 Amend to read as follows:

  ".2 more than a 20% increase in the maximum radiation level at any external surface of the package.".

  6.4.5.4.1.3(ii) Amend to read "more than a 20% increase in the maximum radiation level at any external surface of the package.".

  6.4.5.4.2.3 Amend to read "more than a 20% increase in the maximum radiation level at any external surface of the package.".

  6.4.5.4.4.3.2 Amend to read "more than a 20% increase in the maximum radiation level at any external surface of the package.".

  6.4.5.4.5.2.2 Amend to read "more than a 20% increase in the maximum radiation level at any external surface of the package.".

  6.4.7.14(b) Amend to read "more than a 20% increase in the maximum radiation level at any external surface of the package.".

  6.4.7.16 In the first sentence, replace "liquids" with "liquid radioactive material".

  6.4.8.3 In the first sentence, delete "Except as required in 6.4.3.1 for a package transported by air," and replace "6.4.8.4," with "6.4.8.5 and in the absence of insolation,".

  6.4.8.4 The text of current 6.4.8.13 becomes new 6.4.8.4, with the following amendments:

 In the first sentence, insert "under exclusive use" before "shall not exceed 85°C" and replace "6.4.8.4" with "6.4.8.5". Delete the second sentence: ("The package shall… exceeds 50°C.").

  6.4.8.4 to 6.4.8.12 Renumber as 6.4.8.5 to 6.4.8.13. Amend all cross-references accordingly.

  6.4.11.2.1 Amend the end of the sentence after the formula to read: "provided that the smallest external dimension of each package is not less than 10 cm and that either:".

 Amend .3 to read as follows:

  ".3 there are not more than 5 g of fissile material in any 10 litre volume of material. Neither beryllium nor deuterium shall be present in quantities exceeding 1% of the applicable consignment mass limits provided in Table 6.4.11.2, except for deuterium in natural concentration in hydrogen.".

  6.4.11.7 (b) Amend the first sentence to read as follows: "For packages containing uranium hexafluoride only, with maximum enrichment of 5 mass percent uranium-235:".

  6.4.13 Amend "6.4.1" to read "6.4.15".

  6.4.20.2(a) Delete the duplicated words "at the top" in the second sentence.

  6.4.22.1(a) and (b) Amend to read as follows:

  • "(a) Each design that meets the provisions of 6.4.6.4 shall require multilateral approval;

  • (b) Each design that meets the provisions of 6.4.6.1 to 6.4.6.3 shall require unilateral approval by the competent authority of the country of origin of the design, unless multilateral approval is otherwise required by this Code.".

  6.4.23.3(a) Replace "the consignment" with "the shipment".

  6.4.23.14 Insert a new paragraph (m) to read as follows:

  "(m) A description of the containment system;"

Renumber current subparagraphs (m) and (n) accordingly.

 Under (n), insert a new subparagraph (ii) to read as follows:

  "(ii) A description of the confinement system;".

Renumber current subparagraphs (ii) to (vi) accordingly.

 Insert a new subparagraph (p) to read as follows:

  "(p) For packages containing more than 0.1 kg of uranium hexafluoride, a statement specifying those prescriptions of 6.4.6.4 that apply if any and any amplifying information which may be useful to other competent authorities.". Renumber current subparagraphs (o) to (u) accordingly.

  6.4.23.15 Delete the last sentence.

  6.4.24.3 In the first sentence, delete "until 31 December 2003" and insert "the multilateral approval of package design;" before "the mandatory programme of quality assurance".

 Delete the sentence: "After this date use may continue subject, additionally, to multilateral approval of package design.".Delete the sentence: "After this date use may continue subject, additionally, to multilateral approval of package design.".


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