UN1956

COMPRESSED GAS, N.O.S.

• Class: 2.2
• Packing Group / Category: None
• Special Provisions: 16, 148
• Explosive Limit and Limited Quantity Index: 0.125 L
• Excepted Quantities: E0
• ERAP Index: None
• Passenger Carrying Vessel Index: None
• Passenger Carrying Road Vehicle or Passenger Carrying Railway Vehicle Index: 75 L

Special Provision 16

1. The technical name of at least one of the most dangerous substances that predominantly contributes to the danger or dangers posed by the dangerous goods must be shown, in parentheses, on the shipping document following the shipping name in accordance with clause 3.5(1)(c)(ii)(A). The technical name must also be shown, in parentheses, on a small means of containment or on a tag following the shipping name in accordance with subsections 4.11(2) and (3).

2. Despite subsection (1), the technical name for the following dangerous goods is not required to be shown on a shipping document or on a small means of containment when Canadian law for domestic transport or an international convention for international transport prohibits the disclosure of the technical name:

   1. UN1544, ALKALOID SALTS, SOLID, N.O.S. or ALKALOIDS, SOLID, N.O.S.;

   2. UN1851, MEDICINE, LIQUID, TOXIC, N.O.S.;

   3. UN3140, ALKALOID SALTS, LIQUID, N.O.S. or ALKALOIDS, LIQUID, N.O.S.;

   4. UN3248, MEDICINE, LIQUID, FLAMMABLE, TOXIC, N.O.S.; or

   5. UN3249, MEDICINE, SOLID, TOXIC, N.O.S.

3. Despite subsection (1), the technical name for the following dangerous goods is not required to be shown on a small means of containment:

   1. UN2814, INFECTIOUS SUBSTANCE, AFFECTING HUMANS; or

   2. UN2900, INFECTIOUS SUBSTANCE, AFFECTING ANIMALS.

Special Provision 148

1. Part 5 (Means of Containment) does not apply to radiation detectors that contain these dangerous goods in non-refillable pressure receptacles if

   1. the working pressure in each receptacle is less than 5000 kPa;

   2. the capacity of each receptacle is less than 12 L;

   3. each receptacle has a minimum burst pressure of

      1. at least 3 times the working pressure, when the receptacle is fitted with a relief device, or

      2. at least 4 times the working pressure, when the receptacle is not fitted with a relief device;

   4. each receptacle is manufactured from material that will not fragment upon rupture;

   5. each detector is manufactured under a quality assurance program;

   6. the detectors are transported in strong outer means of containment; and

   7. a detector in its outer means of containment is capable of withstanding a 1.2 m drop test without breakage of the detector or rupture of the outer means of containment.

2. Part 5 (Means of Containment) does not apply to radiation detectors that contain these dangerous goods in non-refillable pressure receptacles and that are included in equipment, if

   1. the conditions set out in paragraphs (1)(a) to (e) are met; and

   2. the equipment is contained in a strong outer means of containment or the equipment affords the detectors with protection that is equivalent to that provided by a strong outer means of containment.

3. These Regulations, except for Parts 1 and 2, do not apply to radiation detectors that contain these dangerous goods in non-refillable pressure receptacles, including detectors in radiation detection systems, if the detectors meet the requirements of subsection (1) or (2), as applicable, and the capacity of the receptacles that contain the detectors is less than 50 mL.

CAUTION: This information is provided for information purposes only. It does not replace the Transportation of Dangerous Goods Regulations (TDGR). Please check the TDGR using this link.