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Certificate 10390

Downloadable version

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Safety and Security

Transport Dangerous
Goods Directorate
330 Sparks Street
Ottawa, Ontario K1A 0N5
Sécurité et sûreté

Direction générale du
transport des marchandises dangereuses
330, rue Sparks
Ottawa (Ontario) K1A 0N5

Equivalency Certificate

(Approval issued by the competent authority of Canada)

Certificate No.: SU 10390 (Ren. 1)

Certificate Holder: Compressed Gas Association

Mode of Transport: Road, Rail, Air, Marine

Issue Date: August 7, 2015

Expiry Date: August 31, 2020


This Equivalency Certificate authorizes the members of the Compressed Gas Association to handle, offer for transport or transport, and authorizes any person to handle, offer for transport, transport, or import into Canada, by road or railway vehicle, by aircraft or by ship, dangerous goods included in Class 2, Gases, in cylinders, in a manner that does not comply with subparagraphs 5.10(1)(a)(ii), 5.10(1)(b)(iii), 5.10(1)(c)(ii), and 5.10(1)(d)(iii), of the Transportation of Dangerous Goods Regulations, under the following conditions:

(a) subject to conditions (b) and (c) of this certificate, the requirements in CSA Standard B340-08 "Selection and use of cylinders, spheres, tubes, and other containers for the transportation of dangerous goods, Class 2", March 2008, except Clauses, 5.1.3(a)(ii), and 5.1.4(a), and cited in the rest of this certificate as CSA B340-08, are complied with;

(b) the cylinders are fastened together, interconnected by a manifold, and transported as a unit within a frame in accordance with Clause 4.4 of CSA B340-08;

Equivalency Certificate

(Approval issued by the competent authority of Canada)

SU 10390 (Ren. 1)


(c) the pre-fill visual inspection requirements in Clause 5.1.3 of CSA B340-08 apply, except that the visual inspection may be limited to cylinder areas that can be seen by the filler;

(d) subject to conditions (e) to (j) of this certificate and despite the requirements of Clause of CSA Standard B339-08 "Cylinders, spheres, and tubes for the transportation of dangerous goods", March 2008, the cylinders may be requalified every 10 years only;

(e) the cylinders were manufactured in accordance with specification TC-3AM,

CTC-3A, TC-3AAM, CTC-3AA, or TC-3ASM and each cylinder does not exceed 57 L of water capacity;

(f) each cylinder is used exclusively for air, argon, ethylene, helium, hydrogen, krypton, neon, nitrogen, nitrous oxide, oxygen, xenon, and mixtures of these gases, without, or with up to 30% by volume of carbon dioxide. These gases or mixtures shall have a dewpoint not exceeding -54°C at 101.325 kPa (absolute);

(g) the new hydrostatic test data of each cylinder meets one of the following requirements:

(i) the elastic expansion does not exceed the rejection elastic expansion (REE) stamped on the cylinder at the time of manufacture,

(ii) the elastic expansion does not exceed the applicable rejection limit specified in Table 1 of Compressed Gas Association (CGA) Publication C‑5-2010, or

(iii) either the average wall stress or the maximum wall stress does not exceed the corresponding wall stress limitation shown in Appendix B of Compressed Gas Association (CGA) Publication C-5-2010;

(h) each cylinder is stamped with a 5-pointed star following the last test or retest date;

(i) each cylinder is dried immediately following the hydrostatic retest to remove all traces of free water;

(j) the cylinders are not used in a self-contained respirator or in a portable resuscitator;

Equivalency Certificate

(Approval issued by the competent authority of Canada)

SU 10390 (Ren. 1)


(k) at any time, a cylinder marked with the star is used in a manner other than that is specified in this Equivalency Certificate, the star following the most recent test or retest date is obliterated by peening; and

(l) one cylinder on each side of each cluster (bundle) is marked with the letters and numbers "TC-SU 10390" in characters of a colour contrasting with the background, at least 50 mm high;

(m) the Compressed Gas Association ensures that a paper or electronic copy of this Equivalency Certificate is provided to all members.

Note: The issuance of this Equivalency Certificate in no way reduces the certificate holder's responsibility to comply with any other requirements of the Transportation of Dangerous Goods Regulations, the Technical Instructions for the Safe Transportation of Dangerous Goods by Air, the International Maritime Dangerous Goods Code, and the Canadian Aviation Regulationsnot specifically addressed in this certificate.

Signature of Issuing Authority


David Lamarche P. Eng., ing.


Permits and Approvals Division

Equivalency Certificate

(Approval issued by the competent authority of Canada)

SU 10390 (Ren. 1)

(The following is for information purposes only and is not part of the certificate.)

Contact Person: Amy H. Park

Technical and Administrative Manager

Compressed Gas Association

300 Earl Grey Drive, Suite 451

Ottawa, ON K2T 1C1

Telephone: 613-599-3766

Facsimile: 703-961-1831


Explanatory Note

This Equivalency Certificate authorizes a requalification period of 10 years for manifolded cylinders transported in clusters (bundles) without having to remove the cylinders from the cluster and without having to perform the hammer test each time they are refilled. The cylinders are used exclusively in dry gas service. The certificate holder has demonstrated that when used under the conditions stipulated herein, the cylinders could be used with an equivalent level of safety.

Legend for Certificate Number

SH - Road, SR - Rail, SA - Air, SM - Marine

SU - More than one Mode of Transport

Ren. - Renewal

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