Dangerous Goods by Road
this section provides general requirements applicable to the use of pressure receptacles and open
cryogenic receptacles for the carriage of class 2 substances and goods of other classes assigned to
packing instruction p200 (e.g. un 1051 hydrogen cyanide, stabilized). pressure receptacles shall be
constructed and closed so as to prevent any loss of contents which might be caused under normal
conditions of carriage, including by vibration, or by changes in temperature, humidity or pressure
(resulting from change in altitude, for example).