SPECIAL PROVISION 23
This information will give you a greater understanding of Special Provision 23 and 106 from the Transportation of Dangerous Goods Regulations. Below is an excerpt of SP 23 from the regulations and we will provide you with examples of what information you require on a small means of containment, large means of containment and the shipping document.
SPECIAL PROVISION 23
Regulation Description:
(1) A person must not import, offer for transport, handle or transport these dangerous goods unless
(a) they are contained in a means of containment that is marked in accordance with section 4.23, or, for UN1005, ANHYDROUS AMMONIA, in a large means of containment, in accordance with section 4.18.2; and
(b) they are accompanied by a shipping document that complies with subparagraph 3.5(1)(c)(vii).
(2) This special provision does not apply to a person who transports these dangerous goods in accordance with an exemption set out in section 1.15, 1.17, 1.17.1 or 1.24 of Part 1 (Coming into Force, Repeal, Interpretation, General Provisions and Special Cases).
SOR/2017-253
Applicable UN Numbers:
UN1005, UN1008, UN1016, UN1017, UN1023, UN1026, UN1040, UN1045, UN1048, UN1050 to UN1053, UN1062, UN1064, UN1067, UN1069, UN1071, UN1076, UN1079, UN1082, UN1092, UN1098, UN1135, UN1143, UN1163, UN1182, UN1185, UN1238, UN1239, UN1244, UN1251, UN1259, UN1380, UN1510, UN1541, UN1560, UN1569, UN1580 to UN1582, UN1589, UN1595, UN1605, UN1612, UN1613, UN1647, UN1660, UN1670, UN1672, UN1695, UN1722, UN1741, UN1744 to UN1746, UN1749, UN1752, UN1754, UN1809, UN1810, UN1829, UN1831, UN1834, UN1838, UN1859, UN1892, UN1911, UN1953, UN1955, UN1967, UN1975, UN1994, UN2032, UN2186, UN2188 to UN2192, UN2194 to UN2199, UN2202, UN2204, UN2232, UN2334, UN2337, UN2382, UN2407, UN2417, UN2418, UN2420, UN2421, UN2438, UN2442, UN2474, UN2477, UN2480 to UN2488, UN2521, UN2534, UN2548, UN2605, UN2606, UN2644, UN2646, UN2668, UN2676, UN2692, UN2740, UN2743, UN2826, UN2901, UN3023, UN3057, UN3079, UN3083, UN3160, UN3162, UN3168, UN3169, UN3246, UN3294, UN3300, UN3303 to UN3310, UN3318, UN3355, UN3381 to UN3390, UN3488 to UN3491, UN3512, UN3514 to UN3526
4.18.2 Class 2, Gases: Placards for UN1005, ANHYDROUS AMMONIA
SOR/2014-159
When UN1005, ANHYDROUS AMMONIA, is contained in a large means of containment, the large means of containment must have displayed on it
- (a) the Class 2.3 placard and a UN number; or
- (b) the anhydrous ammonia placard and, on at least two sides, the words “Anhydrous Ammonia, Inhalation Hazard” or “Ammoniac anhydre, dangereux par inhalation” in letters
- (i)at least 6 mm wide and 100 mm high in the case of a tank car,
- (ii)at least 4 mm wide and 25 mm high in the case of a portable tank, and
SOR/2017-253 - (iii)at least 6 mm wide and 50 mm high in the case of all other large means of containment.
SOR/2017-137
The large means of containment has placards on all 4 sides and the words ANHYDROUS AMMONIA, INHALATION HAZARD on 2 opposite sides
ANHYDROUS AMMONIA
INHALATION HAZARD
Example of how it looks on shipping document is:
| Pieces | Description | Quantity |
| 1 tank | UN1005, Anhydrous Ammonia, Class 2.3 (8) Toxic by Inhalation | 800 L |
4.23 Toxic – Inhalation Hazard
SOR/2014-159
A person must not import, offer for transport, handle or transport dangerous goods that are included in Class 6.1, Toxic Substances, in accordance with paragraph 2.28(c) of Part 2 (Classification), or Class 2.3, Toxic Gases, in accordance with paragraph 2.14(c) of Part 2 (Classification), unless the words “inhalation hazard” or “dangereux par inhalation” are displayed
- (a) in the case of a small means of containment, in letters at least 12 mm high, next to the shipping name, unless these words are already part of the shipping name; and
- (b) in the case of a large means of containment, on two opposite sides of the large means of containment, in addition to any placard or placard and UN number required by this Part, in letters
- (i)at least 6 mm wide and 100 mm high in the case of a tank car,
- (ii)at least 4 mm wide and 25 mm high in the case of a portable tank or an intermediate bulk container (IBC), and
- (iii)at least 6 mm wide and 50 mm high in the case of all other large means of containment.
SOR/2017-137
This information is in part 3.5(1)(c)(vii) of documentation in the TDG Regulations:
(vii) for dangerous goods that are subject to special provision 23, the words “toxic by inhalation” or “toxic – inhalation hazard” or “toxique par inhalation” or “toxicité par inhalation”;
Example of how it looks on shipping document is:
| Number | Description | Quantity |
| 1 Cylinder | UN1017, Chlorine, 2.3 (5.1) (8), Toxic by Inhalation | 600 L |
This is the placard and words for UN1017 that must be on the large means of containment on two opposite sides.
Inhalation Hazard
Example of how it looks on shipping document is:
| Number | Description | Quantity |
| 1 drum | UN1580, Chloropicrin, 6.1, I, Toxic by Inhalation | 205 L |
This is the label and words for UN1580 that must be on the small means of containment.
Chloropicrin, Inhalation Hazard
UN1580
SPECIAL PROVISION 106
Below is an excerpt of SP106 from the regulations and we will provide you with examples of what information you require on a large means of containment and the shipping document:
Regulation Description:
When petroleum crude oil contains hydrogen sulphide in sufficient concentration that vapours evolved from the crude oil can present an inhalation hazard, the words “toxic by inhalation” or “toxic – inhalation hazard” or “toxique par inhalation” or “toxicité par inhalation” must be included
(a)on a large means of containment, next to the placard for the primary class; and
(b)on the shipping document, after the description required under section 3.5(1)(c) of Part 3 (Documentation).
SOR/2016-95
Applicable UN Numbers:
UN1267, UN3494
This is an example of the statement “Toxic – Inhalation Hazard” next to the primary class placard:
Example of what is to be on the shipping document in this order:
| Number | Description | Quantity |
| 1 tank | UN1267, Petroleum crude oil, 3, II, Toxic-Inhalation Hazard | 3000 L |
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