Dangerous Goods by Road
type a packages to contain liquids
a type a package designed to contain liquid radioactive material shall, in addition:
(a) be adequate to meet the conditions specified in 6.4.7.14 (a) above if the package is subjected to
the tests specified in 6.4.16; and
(b) either
(i) be provided with sufficient absorbent material to absorb twice the volume of the liquid
contents. such absorbent material shall be suitably positioned so as to contact the liquid
in the event of leakage; or
(ii) be provided with a containment system composed of primary inner and secondary outer
containment components designed to enclose the liquid contents completely and ensure
their retention, within the secondary outer containment components, even if the primary
inner components leak.