6.1.3

marking

note 1: the marks indicate that the packaging which bears them correspond to a successfully tested

design type and that it complies with the requirements of this chapter which are related to the

manufacture, but not to the use, of the packaging. in itself, therefore, the mark does not necessarily

confirm that the packaging may be used for any substance: generally the type of packaging (e.g. steel

drum), its maximum capacity and/or mass, and any special requirements are specified for each

substance in table a of chapter 3.2.

note 2: the marks are intended to be of assistance to packaging manufacturers, reconditioners,

packaging users, carriers and regulatory authorities. in relation to the use of a new packaging, the

original marks are a means for its manufacturer(s) to identify the type and to indicate those

performance test regulations that have been met.

note 3: the marks do not always provide full details of the test levels, etc., and these may need to

be taken further into account, e.g. by reference to a test certificate, to test reports or to a register of

successfully tested packagings. for example, a packaging having an x or y mark may be used for

substances to which a packing group having a lesser degree of danger has been assigned with the

relevant maximum permissible value of the relative density1 determined by taking into account the

factor 1.5 or 2.25 indicated in the packaging test requirements in 6.1.5 as appropriate, i.e. packing

1 relative density (d) is considered to be synonymous with specific gravity (sg) and is used throughout this text.

group i packaging tested for products of relative density 1.2 could be used as a packing group ii

packaging for products of relative density 1.8 or a packing group iii packaging for products of

relative density 2.7, provided of course that all the performance criteria can still be met with the

higher relative density product.