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Certificate 11772

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 11772

Certificate Holder: Compressed Gas Association

Mode of Transport: Road, Rail, Marine

Issue Date: July 5, 2016

Expiry Date: July 31, 2021


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, or by ship on a domestic voyage, dangerous good that are UN1963, HELIUM, REFRIGERATED LIQUID, Class 2.2, in a manner that does not comply with subparagraphs 5.10(1)(a)(ii), 5.10(1)(b)(iii), and 5.10(1)(d)(iii), of the Transportation of Dangerous Goods Regulations, under the following conditions:

(a) subject to condition (b) 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), cited in the rest of this certificate as CSA B340‑08, are complied with;

(b) despite Clause 5.5.1 and 5.5.5 of CSA B340-08, HELIUM, REFRIGERATED LIQUID may be filled in non-specification vacuum-insulated closed containers with a maximum water capacity of 550 L and a pressure of up to 0.3 MPa, provided that the containers are secured in the upright position during transport and provided that:

(i) the containers were manufactured before January lst, 2008, and no more than 30 years have elapsed since the date of manufacture of the container, or

Equivalency Certificate

(Approval issued by the competent authority of Canada)

SU 11772


(ii) the containers are constructed to meet the following requirements:

(A) The requirements in Clauses 5.5.1(b)(ii) and (iv), 5.5.1(d) are met,

(B) the containers are designed, manufactured, and equipped taking into consideration the conditions to which they will be subjected as part of their intended use, and during normal conditions of transport,

(C) the containers have a double wall construction with the space between the inner and outer wall being evacuated (vacuum insulation). The insulation prevents the formation of frost on the exterior of the container,

(D) the materials of construction of the containers have suitable mechanical properties at the service temperature,

(E) the containers are equipped with one or more pressure-relief devices sized and selected as to type, location, number, and tested in accordance with Section 6.2 of CGA S-1.2 for flow capacities for conditions other than fire, and

(F) the containers are permanently and legibly marked. The specified marks are not less than 6 mm in height and include:

(1) the serial or batch number. A serial number is not duplicated by the manufacturer,

(2) the manufacturer's name or symbol,

(3) the service pressure, marked to the nearest tenth of a bar,

(4) the water capacity, in accordance with Clause 4.18 of CSA Standard B339-08, "Cylinders, spheres, and tubes for the transportation of dangerous goods", March 2008, cited in the rest of the certificate as CSA B339-08,

(5) the tare, in accordance with Clause 4.18 of CSA B339-08,

(6) the service temperature, in accordance with Clause 4.18 of CSA B339-08, and

(7) letters "AL" following the service pressure, when the outer jacket is made of aluminum;

(c) the Compressed Gas Associationensures that a paper or electronic copy of this Equivalency Certificate is provided to all members;

Equivalency Certificate

(Approval issued by the competent authority of Canada)

SU 11772


(d) the certificate holder reports any incident involving loss of contents or failure of the cylinders to the Director, Regulatory Affairs Branch, Transportation of Dangerous Goods Directorate, Transport Canada.

(e) the shipping document that accompanies the dangerous goods includes the following information legibly and indelibly printed:

"Equivalency Certificate No. SU 11772"

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.


Approvals and Special Regulatory Projects

Equivalency Certificate

(Approval issued by the competent authority of Canada)

SU 11772

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

Contact Person: Richard A. Craig

Technical Director

Compressed Gas Association

300 Earl Grey Drive, Suite 451

Ottawa, ON K2T 1C1

Telephone: 709-788-2730

Facsimile: 703-961-1831


Explanatory Note

This Equivalency Certificate authorizes the use of non-specification containers for helium up to a volume of 550 L in advance of the publication of the next edition of CSA B340. The certificate holder has demonstrated that when used under the conditions stipulated herein, the containers 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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