| #Q001 | operational | operational | mandatory | Consignor Display and Provision Responsibilities | other | Before importing dangerous goods, or allowing a carrier in Canada to take possession of dangerous goods for transport, the consignor must: display or ensure the display of the required dangerous goods marks on each small and large means of containment that contain dangerous goods; provide the carrier with the dangerous goods marks for the dangerous goods that the consignor is offering for transport or importing and that are to be transported in a large means of containment | Before importing dangerous goods, or allowing a carrier in Canada to take possession of dangerous goods for transport | high |
| #Q002 | operational | operational | mandatory | Carrier Display and Maintenance Responsibilities | other | With respect to dangerous goods marks, the carrier must: display the required dangerous goods marks on the large means of containment, unless they are already displayed on it; ensure that the required dangerous goods marks remain displayed on the small and large means of containment while the dangerous goods are in transport; provide and display, or remove, the dangerous goods marks if the requirements for the dangerous goods marks change while the dangerous goods are in transport. | While the dangerous goods are in transport | high |
| #Q003 | operational | operational | mandatory | Determination of Mark Changes | other | When the conditions that required the display of dangerous goods marks change, the person having the charge, management or control of the means of containment must determine whether the dangerous goods marks must be changed or removed. | When the conditions that required the display of dangerous goods marks change | high |
| #Q004 | operational | operational | mandatory | Removal of Dangerous Goods Marks | other | In addition, the person who neutralizes the contents of the means of containment or who unloads, unpacks, cleans or purges the means of containment must cover or remove the dangerous goods marks when the danger is no longer present in the means of containment. | When the danger is no longer present in the means of containment | high |
| #Q005 | operational | operational | mandatory | Visibility and Legibility of Marks | other | Dangerous goods marks must be: * visible* * legible * displayed against a background of contrasting colour * made of durable, weather-resistant material that will resist detachment or deterioration in the conditions they will be exposed to * displayed in the appropriate colour as indicated in Section 4.6 of the TDG Regulations (dangerous goods marks must not be faded) | | high |
| #Q006 | operational | operational | mandatory | Outer Containment Marks Requirement | other | In accordance with Section 4.15.4 of the TDG Regulations, when a large means of containment with dangerous goods marks is inside another large means of containment and those dangerous goods marks are not visible , the placards and UN numbers required in Part 4 must be displayed on the outer large means of containment. | When a large means of containment with dangerous goods marks is inside another large means of containment and those dangerous goods marks are not visible | high |
| #Q007 | operational | operational | mandatory | Shape and Orientation of Marks | other | Labels and placards are diamond shaped (also referred to as a square on point) and must be displayed as illustrated below. | | high |
| #Q008 | prohibition | operational | mandatory | Prohibition of Misleading Marks | other | A person must not display a prescribed dangerous goods mark on a means of containment or a means of transport if the mark is misleading as to the presence or the nature of any danger. | If the mark is misleading as to the presence or the nature of any danger | high |
| #Q009 | prohibition | operational | mandatory | Prohibition of Mistakable Marks | other | In addition, a person must not display any othermark that could be mistaken for a dangerous goods mark or could be misleading as to the presence or nature of any danger. | | high |
| #Q010 | operational | operational | mandatory | Small Means of Containment Primary and Subsidiary Labeling | other | A label must always be displayed on a small means of containment containing dangerous goods in transport. One label is required for the primary class, as well as one for each subsidiary class of the dangerous goods. | On a small means of containment containing dangerous goods in transport | high |
| #Q011 | operational | operational | mandatory | Class 7 Label Placement | other | A package containing Class 7, Radioactive Materials must display a label on two opposite sides other than the side it is intended to rest or is to be stacked. | For a package containing Class 7, Radioactive Materials | high |
| #Q012 | reporting | reporting | mandatory | Small Means of Containment Identifiers | other | Aside from labels, a small means of containment must also display the shipping name, technical name (if applicable) and UN number of the dangerous goods in transport. | On a small means of containment | high |
| #Q013 | operational | operational | mandatory | Overpack Visibility Mark | other | If a dangerous goods mark for each class of dangerous goods inside the overpack is not visible through the overpack, the word “Overpack” or “Suremballage” must be displayed on at least one side. | If a dangerous goods mark for each class of dangerous goods inside the overpack is not visible through the overpack | high |
| #Q014 | operational | operational | mandatory | Overpack Unseen Marks Display | other | If the dangerous goods marks are not visible through the overpack, the primary class label and each subsidiary class label for each of the dangerous goods, as well as the shipping name and UN number, must be displayed on the overpack. | If the dangerous goods marks are not visible through the overpack | high |
| #Q015 | operational | operational | mandatory | Consolidation Bin Tagging | other | When a consolidation bin is used, the class of each dangerous good contained in the bin must be marked on a tag or on a fixed display device that is attached to the bin. The information must be updated whenever the content of the consolidation bin changes. | When a consolidation bin is used | high |
| #Q016 | operational | operational | mandatory | Large Means of Containment Primary Placard | other | As per Section 4.15 of the TDG Regulations, theprimary class placard for each dangerous good contained in a large means of containment must be displayed on each side and on each end of the large means of containment. | For each dangerous good contained in a large means of containment | high |
| #Q017 | operational | operational | mandatory | Large Means of Containment Subsidiary Placard | other | A subsidiary class placard is required to be displayed on a large means of containment for dangerous goods that requires an emergency response assistance plan (ERAP) if they are included in one of the following subsidiary class: * Class 1, Explosives * Class 4.3, Water-Reactive Substances * Class 6.1, Toxic Substances, Packing Group I due to toxic inhalation toxicity * Class 8, Corrosives and are UN2977 or UN2978 | If an ERAP is required and they are included in specific subsidiary classes | high |
| #Q018 | operational | operational | mandatory | Subsidiary Placard Placement | other | The subsidiary class placard must be displayed next to the primary class placard on each side and on each end of the large means of containment | When a subsidiary class placard is required | high |
| #Q019 | prohibition | operational | mandatory | Prohibition of Angled Placard Mounts | other | A placard must not be displayed at a 45 degree angle on a truck frame or a supporting frame for the means of containment; it must remain as a square on point. | | high |
| #Q020 | operational | operational | mandatory | UN Number on Large Means of Containment | other | Aside from placards, a large means of containment must also display the UN number of the dangerous goods if: * an ERAP is required * it is a liquid or gas in direct contact with the large means of containment. | If an ERAP is required or it is a liquid or gas in direct contact with the large means of containment | high |
| #Q021 | operational | operational | mandatory | UN Number Display Formatting | other | The UN number must appear on the placard or on a rectangular orange panel, without the prefix "UN", next to the placard | When UN number is required on a large means of containment | high |
| #Q022 | prohibition | operational | mandatory | Prohibition of DANGER Placard | other | The DANGER placard cannot be displayed on a large means of containment if: * the dangerous goods have a gross mass greater than 1,000 kg, are included in the same class and are offered for transport by one consignor * the dangerous goods require an emergency response assistance plan (ERAP) * the dangerous goods are included in one of the following classes: * Class 1, Explosives * Class 2.3, Toxic Gases * Class 4.3, Water-reactive Substances * Class 5.2, Organic Peroxides, Type B * Class 6.1, Toxic Substances (subject to Special Provision 23) * Class 7, Radioactive Materials, Category III – Yellow label | Under specific weight, consignor, ERAP, or class restrictions | high |
| #Q023 | operational | operational | mandatory | Flammable Gas Placard for Vessels | other | If a road or railway vehicle to be transported by vessel contains a flammable gas, the flammable gas placard (Class 2.1) must be displayed on the road or railway vehicle. | If transported by vessel and contains a flammable gas | high |
| #Q024 | operational | operational | mandatory | Mixed Load Placard Exemption Consideration | other | if a vehicle is transporting a mixed load of dangerous goods, each class of dangerous good must be considered separately. | If a vehicle is transporting a mixed load of dangerous goods | high |
| #Q025 | operational | operational | mandatory | Compartmentalized Display for Different Primary Classes | other | If the dangerous goods are included in different primary classes , the primary class placard and the UN number for the dangerous goods in each compartment must be displayed on each side of that compartment, as well as on each end of the compartmentalized large means of containment. | If the dangerous goods in a compartmentalized large means of containment are included in different primary classes | high |
| #Q026 | operational | operational | mandatory | Compartmentalized Display for Same Primary Class | other | If the dangerous goods are included in the same primary class , the primary class placard for the dangerous goods must be displayed only once on each side and on each end of the compartmentalized large means of containment. The UN number must also be displayed on each side of the compartment and on each end of the compartmentalized large means of containment. | If the dangerous goods in a compartmentalized large means of containment are included in the same primary class | high |
| #Q027 | operational | operational | mandatory | Class 3 Compartmentalized Flash Point Exception | other | However, when all of the dangerous goods are included in Class 3, Flammable Liquids, only the UN number of the dangerous goods with the lowest flash point is required to be displayed on each side and on each end of the compartmentalized large means of containment. | When all of the dangerous goods in a compartmentalized large means of containment are included in Class 3, Flammable Liquids | high |
| #Q028 | operational | operational | mandatory | Ethanol and Gasoline Mixture Compartmentalized Display | other | In addition, if the compartmentalized large means of containment contains UN3475, ETHANOL AND GASOLINE MIXTURE, the UN number must be displayed, along with the UN number of the dangerous goods with the lowest flash point, on each side and on each end of the compartmentalized large means of containment | If the compartmentalized large means of containment contains UN3475 | high |
| #Q029 | operational | operational | mandatory | Elevated Temperature Sign | other | The elevated temperature sign must be displayed next to the primary or subsidiary class placard on each side and each end of the large means of containment when dangerous goods are transported at a temperature greater than or equal to: * 100°C if the dangerous goods are in a liquid state * 240°C if the dangerous goods are in a solid state | When dangerous goods are transported at elevated temperatures | high |
| #Q030 | operational | operational | mandatory | Fumigation Sign Display Location | other | When dangerous goods are used to fumigate a large means of containment, the fumigation sign must be displayed at or next to each entryway through which a person can enter the large means of containment. | When dangerous goods are used to fumigate a large means of containment | high |
| #Q031 | operational | operational | mandatory | Fumigation Sign Display Assurance | other | The consignor must ensure that the fumigation sign is displayed by the person in charge of the fumigation process. The sign must also display the name of the fumigant, the date and time the fumigant was applied and the date of ventilation. | When fumigating | high |
| #Q032 | operational | operational | mandatory | Fumigation Sign Removal | other | The fumigation sign must be displayed until the large means of containment has been ventilated and the dangerous goods have been unloaded. | | high |
| #Q033 | operational | operational | mandatory | Marine Pollutant Mark | other | the marine pollutant mark must be displayed for dangerous goods that are marine pollutants and transported by vessel. | For dangerous goods that are marine pollutants and transported by vessel | high |
| #Q034 | operational | operational | mandatory | Category B Mark | other | The Category B mark must be displayed on a small means of containment containing UN3373, BIOLOGICAL SUBSTANCE, CATEGORY B, instead of displaying the Class 6.2, Infectious Substances label. | On a small means of containment containing UN3373, BIOLOGICAL SUBSTANCE, CATEGORY B | high |
| #Q035 | operational | operational | mandatory | Inhalation Hazard Marks | other | When dangerous goods are subject to Special Provision 23 or are included in Class 6.1, Toxic Substances, due to inhalation toxicity or Class 2.3, Toxic Gases, the words “inhalation hazard” or “dangereux par inhalation” must be displayed on the means of containment: * in the case of a small means of containment, in letters 12 mm high, next to the shipping name, unless these words are already part of the shipping name * 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 Part 4 | When dangerous goods are subject to Special Provision 23 or are included in Class 6.1 due to inhalation toxicity or Class 2.3 | high |
| #Q036 | operational | operational | mandatory | Anhydrous Ammonia Placarding Options | other | When UN1005, ANHYDROUS AMMONIA is transported in a large means of containment, there are two placarding options: * display the Class 2.3 placard and the UN number * display the Anhydrous Ammonia placard and, on at least two sides, the words “Anhydrous Ammonia, Inhalation Hazard” or “Ammoniac anhydre, dangereux par inhalation” | When UN1005, ANHYDROUS AMMONIA is transported in a large means of containment | high |
| #Q037 | operational | operational | mandatory | Limited Quantities Mark Display | other | When complying with the Limited Quantities Exemption (Section 1.17), the limited quantities mark must be displayed on one side of a means of containment (as per Subsection 1.17(2)). | When complying with the Limited Quantities Exemption | high |
| #Q038 | operational | operational | mandatory | Excepted Quantities Mark Display | other | When complying with the Excepted Quantities Exemption (Section 1.17.1), the excepted quantities mark must be displayed on one side of a means of containment (as per Subsection 1.17.1(3)). | When complying with the Excepted Quantities Exemption | high |
| #Q039 | operational | operational | mandatory | Lithium Battery Mark Display | other | When complying with Special Provision 34 of the TDG Regulations, each means of containment must be marked with the lithium battery mark in accordance with Section 4.24 of the TDG Regulations. | When complying with Special Provision 34 | high |
| #Q040 | prohibition | operational | mandatory | Prohibition of CANUTEC Phone Number | other | CANUTEC’s telephone number cannot be used on the lithium battery mark. | | high |
| #Q041 | operational | unknown | mandatory | Class 7 Mark Size Prohibition | other | The only exception is for Class 7, Radioactive Materials, whose placard and label cannot be reduced under any circumstances. | For Class 7, Radioactive Materials | high |
| #Q042 | operational | unknown | mandatory | Radioactive Overpack Regulation Compliance | other | When the overpack contains Class 7, Radioactive Materials, the overpack must be prepared in accordance with the Packaging and Transport of Nuclear Substances Regulations. | When the overpack contains Class 7, Radioactive Materials | high |
| #Q043 | operational | unknown | guidance | Optional DANGER Placard Usage | other | The DANGER placard is optional. It may be displayed on a large means of containment instead of any other placard required by Section 4.15 of the TDG Regulations if two conditions are met : the large means of containment contains two or more dangerous goods that require different placards the dangerous goods loaded into the large means of containment are contained in two or more small means of containment | Large means of containment contains two or more dangerous goods that require different placards in two or more small means of containment | high |
| #Q044 | operational | unknown | guidance | Voluntary Placard Display Conditions | other | despite the fact that a placarding exemption may be used, a person may voluntarily display a placard for any quantity of dangerous goods when they are transported in a road or railway vehicle if certain provisions of Part 4 are met. | When choosing to display placards voluntarily despite exemptions | high |
| #Q045 | operational | unknown | mandatory | Full Inhalation Hazard Specifications | other | When dangerous goods are subject to Special Provision 23 or are included in Class 6.1, Toxic Substances, due to inhalation toxicity or Class 2.3, Toxic Gases, the words “inhalation hazard” or “dangereux par inhalation” must be displayed on the means of containment: * in the case of a small means of containment, in letters 12 mm high, next to the shipping name, unless these words are already part of the shipping name * 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 Part 4, in letters: * at least 6 mm wide and 100 mm high in the case of a tank car * at least 4 mm wide and 25 mm high in the case of a portable tank or an intermediate bulk container (IBC) * at least 6 mm wide and 50 mm high in the case of all other large means of containment | Dangerous goods subject to Special Provision 23, Class 6.1 inhalation toxicity, or Class 2.3 | high |
| #Q046 | operational | unknown | mandatory | Full Anhydrous Ammonia Specifications | other | When UN1005, ANHYDROUS AMMONIA is transported in a large means of containment, there are two placarding options: * display the Class 2.3 placard and the UN number * display the Anhydrous Ammonia placard and, on at least two sides, the words “Anhydrous Ammonia, Inhalation Hazard” or “Ammoniac anhydre, dangereux par inhalation” in letters: * at least 6 mm wide and 100 mm high in the case of a tank car * at least 4 mm wide and 25 mm high in the case of a portable tank * least 6 mm wide and 50 mm high in the case of all other large means of containment | Transport of UN1005, ANHYDROUS AMMONIA in a large means of containment | high |