Transportation of Dangerous Goods Regulations

2.21.1 A person must not offer for transport, handle or transport the following polymerizing substances unless they are stabilized by temperature control:

• (a) a polymerizing substance that is in a small means of containment prescribed by CGSB-43.150 or Chapter 6.1 of the UN Recommendations or in an IBC and whose self-accelerating polymerization temperature (SAPT) is 50°C or less in the small means of containment or IBC; and

• (b) a polymerizing substance that is in a large means of containment that is not an IBC and whose SAPT is 45°C or less in the large means of containment.