11UN classes, divisions and categories of dangerous goods

11 UN classes, divisions and categories of dangerous goods For this regulation, a UN class, UN division or UN category of dangerous goods is— (a) if a determination under section 29 (1) (b) (Determinations— dangerous goods and packaging) that the goods are of a stated UN class, division or category is in effect—the stated class, division or category; or (b) if there is no determination under section 29 (1) (b) in effect in relation to the goods—the class, division or category determined for the goods in accordance with the ADG code. Note 1 Under the UN classification system there are 9 classes of dangerous goods. Some classes are further divided into divisions, and some divisions are divided into categories. UN division 6.2 infectious substances are divided into— (a) category A (substances transported in a form that, if exposure occurs, can cause permanent disability or life-threatening or fatal disease to humans or animals); and

(b) category B (others). Note 2 Under the ADG code, if dangerous goods are mentioned in the dangerous goods list, their UN class or division is that mentioned in the list, col 2 opposite the name and description of those goods, unless the code, ch 3.3 provides for those goods to be assigned to a different class or division. If applicable, the code, ch 2 describes how the UN category of dangerous goods is to be determined. The category may be changed under the code, ch 3.3.