Dangerous Goods by Road
many substances have an entry for both the liquid and solid state (see definitions for liquid and solid
in 1.2.1), or for the solid and solution. these are allocated separate un numbers which are not
necessarily adjacent to each other1.
1 details are provided in the alphabetical index (table b of chapter 3.2), e.g.:
nitroxylenes, liquid 6.1 1665;
nitroxylenes, solid 6.1 3447.