Hazardous Materials Awareness Course for Guards 2026

1. Frage 1 von 25

   You see a liquid leaking from a damaged drum in a loading area. From which direction should you approach?

   • AFrom whichever side is closest to the drum
   • BFrom upwind, uphill or upstream
   • CFrom downhill, so you can see the spill spreading
   • DFrom downwind, so the smell tells you what it is
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   Antwort: B. From upwind, uphill or upstream

   The Emergency Response Guidebook says to approach from upwind, uphill and/or upstream so vapours and liquids move away from you.

2. Frage 2 von 25

   A gas is leaking but you cannot smell anything. What should you assume?

   • AIt is only steam and can be ignored
   • BIt may still be dangerous, because some harmful gases have no smell
   • CIt is safe once you step back two metres
   • DIt is harmless, because dangerous gases always smell
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   Antwort: B. It may still be dangerous, because some harmful gases have no smell

   The ERG warns never to assume a gas or vapour is harmless just because it has no odour.

3. Frage 3 von 25

   At a hazardous materials spill, what is a security guard's main job before trained responders arrive?

   • ATaste-test or sniff the product to identify it
   • BMove the leaking container to a safer place
   • CClean up the spill with absorbent pads
   • DStay back, keep people away from the area and call 9-1-1
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   Antwort: D. Stay back, keep people away from the area and call 9-1-1

   Guards work at an awareness level: recognize the danger, isolate the area, protect people and notify responders. Do not touch or clean up the material.

4. Frage 4 von 25

   Which Canadian service gives 24-hour emergency advice on dangerous goods in transport?

   • AHealth Canada's poison control line
   • BYour provincial licensing office
   • CThe Canada Border Services Agency
   • DCANUTEC, the Canadian Transport Emergency Centre
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   Antwort: D. CANUTEC, the Canadian Transport Emergency Centre

   CANUTEC is run by Transport Canada and gives emergency response advice for dangerous goods incidents.

5. Frage 5 von 25

   What is the short code for calling CANUTEC from a cellphone in Canada?

   • A*911
   • B*888
   • C*666
   • D#211
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   Antwort: C. *666

   CANUTEC can be reached at *666 from a cellphone, at 1-888-CAN-UTEC (1-888-226-8832) or at 613-996-6666. Call 9-1-1 first in an emergency.

6. Frage 6 von 25

   In the Emergency Response Guidebook (ERG), what are the yellow-bordered pages?

   • AA list of materials in alphabetical order
   • BThe response guides for each group of materials
   • CA list of materials by their 4-digit ID number
   • DTables of isolation and protective action distances
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   Antwort: C. A list of materials by their 4-digit ID number

   The yellow pages list materials by ID (UN) number. Each entry points to a guide number in the orange section.

7. Frage 7 von 25

   You know the name of a product but not its ID number. Which ERG pages should you use?

   • AThe yellow pages, listed by number
   • BThe green pages, listed by distance
   • CThe blue pages, listed by name
   • DThe white pages at the front
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   Antwort: C. The blue pages, listed by name

   The blue pages list materials alphabetically by name, with the guide number to use.

8. Frage 8 von 25

   Which part of the ERG holds the guides that explain hazards and first steps for each group of materials?

   • AThe yellow pages
   • BThe blue pages
   • CThe green pages
   • DThe orange pages
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   Antwort: D. The orange pages

   The orange pages hold the response guides on hazards, public safety and emergency response.

9. Frage 9 von 25

   A truck with a DANGER placard is leaking, and nobody knows what it carries. Which ERG guide applies?

   • AGuide 100
   • BNo guide applies until the product is known
   • CGuide 200
   • DGuide 111
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   Antwort: D. Guide 111

   The ERG says to use Guide 111 when a DANGER placard is shown or when the material is unknown.

10. Frage 10 von 25

    Under Canada's Transportation of Dangerous Goods (TDG) rules, how many classes of dangerous goods are there?

    • A4
    • B12
    • C9
    • D6
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    Antwort: C. 9

    TDG sorts dangerous goods into 9 classes, from Class 1 (explosives) to Class 9 (miscellaneous).

11. Frage 11 von 25

    Which TDG class is flammable liquids, such as gasoline?

    • AClass 1
    • BClass 8
    • CClass 6
    • DClass 3
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    Antwort: D. Class 3

    Class 3 is flammable liquids. Class 1 is explosives, Class 6 is toxic and infectious substances and Class 8 is corrosives.

12. Frage 12 von 25

    A placard on a tanker shows the class number 8. What kind of product is it?

    • AA corrosive substance
    • BA radioactive material
    • CAn explosive
    • DA flammable gas
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    Antwort: A. A corrosive substance

    Class 8 is corrosive substances, which can burn skin and damage metal.

13. Frage 13 von 25

    Which TDG class covers gases such as propane and oxygen cylinders?

    • AClass 5
    • BClass 9
    • CClass 2
    • DClass 4
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    Antwort: C. Class 2

    Class 2 is gases, split into flammable, non-flammable non-toxic, and toxic gases.

14. Frage 14 von 25

    Some placards show a 4-digit number, such as 1203. What is this number?

    • AThe trucking company's licence number
    • BThe emergency phone extension to call
    • CThe UN number that identifies the product
    • DThe weight of the load in kilograms
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    Antwort: C. The UN number that identifies the product

    The 4-digit UN number identifies the product. Note it from a safe distance and give it to 9-1-1 or CANUTEC.

15. Frage 15 von 25

    WHMIS 2015 is based on which international system?

    • AThe US OSHA 10 program
    • BThe Canadian Fire Code
    • CThe ISO 9001 quality system
    • DThe Globally Harmonized System (GHS)
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    Antwort: D. The Globally Harmonized System (GHS)

    WHMIS 2015 lines up with the Globally Harmonized System of Classification and Labelling of Chemicals (GHS).

16. Frage 16 von 25

    How many sections does a WHMIS safety data sheet (SDS) have?

    • A8
    • B24
    • C10
    • D16
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    Antwort: D. 16

    An SDS has 16 sections in a set order, from identification to other information.

17. Frage 17 von 25

    A cleaner splashes a chemical in their eye. Which SDS section gives the first-aid steps?

    • ASection 9, Physical and chemical properties
    • BSection 1, Identification
    • CSection 4, First-aid measures
    • DSection 14, Transport information
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    Antwort: C. Section 4, First-aid measures

    Section 4 of the SDS lists first-aid measures for each way a person can be exposed.

18. Frage 18 von 25

    Which SDS section explains what to do about a spill or leak?

    • ASection 6, Accidental release measures
    • BSection 16, Other information
    • CSection 11, Toxicological information
    • DSection 2, Hazard identification
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    Antwort: A. Section 6, Accidental release measures

    Section 6 covers accidental release measures, such as containment and clean-up.

19. Frage 19 von 25

    On a WHMIS label, which signal word means the more severe hazard?

    • ADanger
    • BNotice
    • CWarning
    • DCaution
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    Antwort: A. Danger

    WHMIS uses two signal words. "Danger" is for more severe hazards and "Warning" for less severe ones.

20. Frage 20 von 25

    When is a WHMIS workplace label needed?

    • AWhen it is poured into a new container for later use
    • BOnly for products kept in a locked storage room
    • CNever, because the supplier label is always enough
    • DOnly when a product first arrives from the supplier
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    Antwort: A. When it is poured into a new container for later use

    A workplace label is needed when a product is decanted into another container, unless it is used right away or stays with the one person who poured it.

21. Frage 21 von 25

    You see this pictogram on a container in a janitor's room. What hazard does it show?

    • AProducts that can catch fire easily
    • BGases stored under pressure
    • CProducts that can cause death or serious poisoning
    • DProducts that can cause cancer over time
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    Antwort: C. Products that can cause death or serious poisoning

    The skull and crossbones is used for acute toxicity: products that can be fatal or toxic in small amounts.

22. Frage 22 von 25

    What does this WHMIS pictogram, a flame over a circle, warn about?

    • AProducts that react with water
    • BOxidizers that can cause or worsen a fire
    • CHot surfaces that can burn skin
    • DProducts that explode when dropped
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    Antwort: B. Oxidizers that can cause or worsen a fire

    The flame over a circle marks oxidizing products, which can start or feed a fire. Keep them away from things that burn.

23. Frage 23 von 25

    On patrol, you smell rotten eggs inside a building. What should you do first?

    • AOpen the gas meter cover to look for damage
    • BCall from your cellphone while you search the room
    • CLeave right away, then call from a safe place
    • DTurn on the lights so you can find the leak
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    Antwort: C. Leave right away, then call from a safe place

    Natural gas has an added rotten-egg smell. Leave first, then call from a safe location. Do not search for the leak.

24. Frage 24 von 25

    Why should you not flip a light switch or start a vehicle near a suspected gas leak?

    • AIt could set off the fire alarm by mistake
    • BA small spark could ignite the gas
    • CIt erases the leak's smell
    • DIt wastes power the gas company needs
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    Antwort: B. A small spark could ignite the gas

    Switches, phones, electronics and engines can spark. Gas utilities say not to use them near a leak.

25. Frage 25 von 25

    Your bare skin touches an unknown powder that may be a drug such as fentanyl. How should you clean it?

    • AWipe it off with diluted bleach
    • BRub on alcohol hand sanitizer right away
    • CBrush it off and keep working
    • DWash with soap and water
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    Antwort: D. Wash with soap and water

    CCOHS advises soap and water. Alcohol-based sanitizer may increase absorption through the skin, and bleach should not be used on skin.

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