Organisation and Content - This standard consists of four parts and six appendices. Part I is an introductory part that specifies requirements of general application with respect to the handling, offering for transport, or transporting of dangerous goods by rail in Canada. Part II specifies requirements for the construction and modification of tank cars and ton containers. Part III specifies requirements for the qualification and maintenance of tank cars, ton containers, and Specification 107 tanks. Finally, Part IV specifies requirements for the selection, use, and handling of means of containment, including ton containers, portable tanks, tank cars, hopper cars, and other large containers or transport units used in the handling, offering for transport, or transporting of dangerous goods by rail of Classes 2, 3, 4, 5, 6.1, 8, and 9 of the Transportation of Dangerous Goods Act, 1992. Appendices A and B specify procedures and set out acceptance criteria for the measurement of liquefied petroleum gas and anhydrous ammonia emissions for tank cars in transportation. Appendix C specifies a procedure to test the tank car head puncture resistance. Appendix D specifies test procedures and sets out acceptance criteria for simulated pool-fire and torch-fire. Appendix E specifies procedures and sets out acceptance criteria for the dynamic longitudinal impact test of tank containers. Finally, Appendix F sets out in Schedule 1 the requirements applicable to special provisions 1 to 91, and Schedule 2 lists dangerous goods and specifies the special provisions that are applicable to each of the listed dangerous goods.

Application - The standard applies to both standardized and non-standardized means of containment but does not apply to means of containment with a capacity equal to or less than 450 L (116 US gallon).

Minimum Requirements - This standard sets out certain minimum requirements regarding the design, construction, qualification, selection, and use, or testing of means of containment. It is essential to exercise competent technical and engineering judgment in conjunction with this standard.

Additional Requirements - The Transportation of Dangerous Goods Act, 1992, and the Transportation of Dangerous Goods Regulations may call for additional requirements regarding the design, construction, qualification, selection, and use, or testing of means of containment.

Quantities and dimensions used in this standard are given in metric units with yard/pound equivalents shown in brackets where appropriate. The metric units shall be regarded as official in the event of a dispute.

The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any applicable regulatory requirements prior to its use.