Portable packaging for hazardous substances that that (1) has a capacity of not more than three cubic meters or 3000 liters, (2) is designed for mechanical handling, (3) is resistant to stresses produced in handling and transport, as determined by tests, and (4) conforms to the standards in the chapter on Recommendations On Intermediate Bulk Containers (IBCs) of the UN Recommendations On The Transport Of Dangerous Goods.