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  5. Table of Markings, Labels and Placards and Initial Response Guide to Use On-Scene

Table of Markings, Labels and Placards and Initial Response Guide to Use On-Scene

Use this table only when the ID Number or proper Shipping Name is not available.

The next two pages display the placards used on transport vehicles carrying dangerous goods with the applicable reference GUIDE circled. Follow these steps:

  1. Approach scene from upwind, uphill or upstream at a safe distance to safely identify and/or read the placard or orange panel. Use binoculars if available.
  2. Match the vehicle placard(s) with one of the placards displayed on the next two pages.
  3. Consult the circled guide number associated with the placard. Use that guide information for now. For example:
    • Use Guide 127 for a Flammable (Class 3) placard Class 3 placards. Square on a point. Red background. Number 3 in bottom portion. Symbol of a flame in top portion. The word “Flammable” or “Combustible” may be in the centre.
    • Use Guide 153 for a Corrosive (Class 8) placard Class 8 placards. Square on a point. White top half, black lower half. Number 8 in bottom portion. In top portion, a symbol of liquid spilling from two test tubes and corroding a hand and a metal bar. The word “Corrosive” may be in the centre.
    • Use Guide 111 when the Danger/Dangerous placard is displayed or

      the nature of the spilled, leaking or burning material is not known. Also use this Guide when the presence of dangerous goods is suspected but no placards can be seen.
    If multiple placards point to more than one guide, initially use the most conservative guide (i.e., the guide requiring the greatest degree of protective actions).
  4. Guides associated with the placards provide the most significant risk and/or hazard information.
  5. When specific information, such as ID number or proper shipping name, becomes available, the more specific Guide recommended for that material must be consulted.
  6. A single asterisk (*) on orange placards represent explosive's compatibility group letters. The asterisk must be replaced with the appropriate compatibility group letter. Refer to the Glossary.
  7. Double asterisks (**) on orange placards represent the division of the explosive. The double asterisks must be replaced with the appropriate division number.

Class 4

Class 4.1 placards. Square on a point. White background with vertical red stripes equally spaced. Number 4 in bottom portion. Symbol of a flame in top portion. The words “Flammable Solid” may be in the centre. Guide 134.
Class 4.2 placards. Square on a point. White top half, red lower half. Number 4 in bottom portion. Symbol of a flame in top portion. The words “Spontaneously Combustible” may be in the centre. Guide 136.
Class 4.3 placards. Square on a point. Blue background. Number 4 in bottom portion. Symbol of a flame in top portion. The words “Dangerous When Wet” may be in the centre. Guide 139.

Class 5

Class 5.1 placards. Square on a point. Yellow background. Number 5.1 in bottom portion. Symbol of a flame over a circle (flaming “O”) in top portion. The word “Oxidizer” may be in the centre. Guide 143.
Class 5.2 placards. Square on a point. Yellow background. Number 5.2 in bottom portion. Symbol of a flame over a circle (flaming “O”) in top portion. The words “Organic Peroxide” may be in the centre. There is also a placard with the top half red with a flame symbol and the lower half yellow with the number 5.2 at the bottom. Guide 148.

Class 6

Class 6.1 placards. Square on a point. White background. Number 6 in bottom portion. Symbol of a skull and crossbones in top portion. The word “Toxic” or “Poison” or “Inhalation Hazard” may be in the centre. For the latter, the top portion with the symbol is in a black diamond. Guide 153.
Class 6.2 placards. Square on a point. White background. Number 6 in bottom portion. Symbol of three crescents superimposed on a circle in top portion. In the centre, there may be the words “Infectious Infectieux” or “Infectious Substance” with descriptive text underneath. There is also the Category B Mark: white background with UN3373 in the centre. Guide 158.

Class 7

Class 7 placards. Square on a point. Yellow top half, white lower half (except Category I labels: white background). Number 7 in bottom portion. Symbol of a trefoil in top portion. The word “Radioactive” just below the center line. For Category I, II and III labels: red roman numerals after the word “Radioactive” and descriptive text underneath. Guide 163.

Class 8

Class 8 placards. Square on a point. White top half, black lower half. Number 8 in bottom portion. In top portion, a symbol of liquid spilling from two test tubes and corroding a hand and a metal bar. The word “Corrosive” may be in the centre. Guide 153.

Class 9

Class 9 placards. Square on a point. White background. Number 9 in bottom portion. Vertical black stripes equally spaced in top half. There is also the Environmentally Hazardous Substance Mark: white background with symbol of a dead fish and dead tree in the centre. Marine pollutant Mark. Triangle. The symbol of a fish with an X over it and text underneath is “Marine Pollutant”. Guide 171.
Date Modified:
2016-08-25