Dangerous Goods by Road
subsidiary hazards shall be representative of the primary hazards posed by the other dangerous goods contained within the article. when only one item of dangerous goods is present in the article, the subsidiary hazard(s), if any, shall be the subsidiary hazard(s) identified by the subsidiary hazard label(s) in column (5) of table a of chapter 3.2. if the article contains more than one item of dangerous goods and these could react dangerously with one another during carriage, each of the dangerous goods shall be enclosed separately (see 4.1.1.6).