regulations amending the transportation of dangerous goods regulations update of standards 22 pages available in english and french . the emtransportation of dangerous goods regulations em tdg regulations include requirements for the manufacture and use of means of containment for the handling offering for transport and transporting dangerous goods primarily by referencing safety standards. the tdg regulations contain references to domestic and international safety standards that are out of date or have been recently updated. the lack of these updated standards in the tdg regulations creates a need to issue many equivalency certificates which imposes an administrative burden on industry. alignleft the following standards are either no longer current or need to be introduced in the tdg regulations ul typediscli several new standards in relation to new types of means ofcontainment are not currently addressed in the regulations. these stemfrom the united nations recommendations on the transport of dangerous goods un recommendations and include un portable tanks and un cylinders. lili a number of safety standards on the manufacture selection and use of means of containment for dangerous goods have been updated byorganizations such as the canadian standards association csa and thecanadian general standards board cgsb . these safety standards arecurrently referenced in the tdg regulations and the references need to be updated. lili a safety standard for small means of containment that aligns thetdg regulations with international and united states u.s. requirements this standard needs to be introduced into the tdg regulations. lili the references to the united states emcode of federal regulations em 49 cfr the un recommendations the un emmanual of tests and criteria em the eminternational maritime dangerous goods code em imdg code theinternational civil aviation organizationem technical instructions for the safe transport of dangerous goods by air em icao technicalinstructions and its supplement also require updating to facilitateunderstanding on the part of the users and simplify enforcement of thetdg regulations. li ul the proposed emregulations amending the transportation of dangerous goods regulations em would update the references to the safety standards to 49 cfr to the un recommendations and to the un emmanual of tests and criteria em the imdg code and the icao technical instructions and its supplement. this regulatory proposal would adopt five new standards for new types of means of containment and update nine standards on means of containment already in the tdg regulations.