1.1 Organisation and Content

The standard applies to the design, manufacture, maintenance and qualification of tank cars and ton containers and the selection and use of 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. It consists of eleven sections and five appendices. Section 1 is an introduction outlining the general scope. Sections 2 and 3 provide a list of referenced publications and definitions. Section 4 sets out general requirements and defines the applicability of the standard and the precedence of each section. Section 5 sets out the Quality Management System requirements applicable to Canadian tank car facilities. Section 6 outlines the registration requirements applicable to facilities performing manufacture, inspection, maintenance or qualification of certain container types. Section 7 sets out tank car marking requirements. Section 8 sets out tank car and ton container manufacturer and modification requirements. Section 9 sets out the requirements for the periodic qualification and maintenance of tank cars and ton containers. Section 10 covers the selection and use requirements for containers. Section 11 provides some allowances for one time low risk movement of non-conforming containers. 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 tank car head puncture resistance systems. Appendix D specifies test procedures and sets out acceptance criteria for simulated pool-fire and torch-fire. Finally, Appendix E sets out in Schedule 1 the requirements applicable to special provisions 1 to 84, and Schedule 2 lists dangerous goods and specifies the special provisions that are applicable to each of the listed dangerous goods.

1.2 Minimum Requirements

This standard sets out certain minimum requirements regarding the design, manufacture, qualification, selection and use, or testing of containers. It is essential to exercise competent technical, engineering and safety judgment in conjunction with this standard.

1.3 Additional Requirements

The Transportation of Dangerous Goods Act, 1992 (TDG ACT), and the Transportation of Dangerous Goods Regulations (TDG Regulations) may call for additional requirements regarding the design, manufacture, qualification, selection and use, or testing of containers.

1.4 Units

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

1.5 Interpretation

In this standard the words "must" and "shall" are imperative. The word "may" is permissive.

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