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HAZAMT Flashcards

1
Q

What does the DANGER acronym for safe approach to HAZMAT incident stand for?

A

Do not enter smoke, gas or vapour clouds
Approach uphill & upwind
No closer then 70m
Gather info from safe distance
Examine more closely (only if necessity and in full PPE)
Respond according to info

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2
Q

What are the (9) dangerous goods classes?
(give examples of each)

Eyers-Stotts Grandma Likes Sex On The Rail Car Man

A
  1. Explosive (e.g. fireworks)
  2. Gases (e.g. LPG)
  3. Liquids (flammable) (e.g. acetone)
  4. Solids (flammable) (e.g. magnesium)
  5. Oxidising agents (e.g. ammonium nitrate)
  6. Toxic & Infectious (e.g. cyanide)
  7. Radioactive (e.g. uranium)
  8. Corrosive (e.g. hydrochloric acid)
  9. Miscellaneous (e.g. dry ice)

Know what the symbols look like also

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3
Q

Define hazardous materials?

A
  • Substances or materials in a quantity or form that poses an unreasonable risk to health, safety or property when stored, transported and used in commerce.
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4
Q

What is listed on an EIP label?

Emergency Information Panel

A
  1. Chemical name
  2. UN number
  3. Hazchem code
  4. Dangerous goods class
  5. Emergency services contact number
  6. Contact number for specialist service
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5
Q

Define flammble range?

A
  • The range of concentrations (from LEL to UEL) of a mixture of flammable vapor or gas in air that will flash or flame if the mixture is ignited.
  • LEL = The minimum concentration of a gas or vapour that will combust in air (below this level, the mixture is too “lean” to burn).
  • UEL = The maximum concentration of a gas or vapour that will combust in air (above this level, the mixture is too ‘rich’ to burn).
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6
Q

What are the (6) HAZMAT heirachy of infomation sources?

A
  1. Safe Approach (DANGER)
  2. HAZCHEM code
  3. ANZERG
  4. Hazmat Action Guide (HAG) sheet
  5. Safety Data Sheet (SDS)/Atmospheric monitoring
  6. Technical specialists
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7
Q

What is 1% of atmosphere in PPM?

A

10,000 PPM

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8
Q

What do CAS numbers refer to?

A

Pure chemical (not a mixture)

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9
Q

What are the (5) HAZMAT mitgation steps?

A
  1. Isolate
  2. Contain
  3. Recover
  4. Treatment
  5. Decon
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10
Q

What are the (4) levels of PPE?

A
  1. Level A – fully encapsulating gas tight suit and BA.
  2. Level B – non-encapsulating chemical protective suit (splash suit) and BA.
  3. Level C – non-encapsulating chemical protective suit (splash suit) and respirator or filter mask (FRV don’t use).
  4. Level D – normal work uniform that may include coveralls, boots, structural firefighting clothing.
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11
Q

What are the (4) routes of entry for toxic substances?

A
  1. Inhalation (90% of risk)
  2. Absorption (8% of risk)
  3. Ingestion (1% of risk)
  4. Injection (1% of risk)
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12
Q

What is the NFPA 704 HAZMAT Marking System?

A

It warns firefighters of the inherent hazards of a substance and, at a glance, the order of severity (0-4) of such hazards at an incident (clockwise from top):
* Red – ‘Flammability’
* Yellow – ‘Reactivity’
* White – ‘Special’
* Blue – ‘Health’

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13
Q

What are the (2) basic decontamination methods?

A
  1. Physical
  2. Chemical

The aim is to reduce contamination to a level that is As Low As Reasonably Achievable (ALARA).

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14
Q

What is an outer warning notice?

A
  • Placards required to be displayed by workplaces using, storing or handling hazardous chemicals in tanks or in quantities exceeding prescribed quantities.
  • The Outer Warning Notice is to be located at all entrances into the workplace from a public road/street and at every entrance of rail vehicles
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15
Q

What is a HAZCHEM emergency action code?

A

It provides emergency services personnel with information on initial actions to be taken to prevent the escalation of an incident.

spray/foam/dry agent, violent, PPC, contain/dilute

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16
Q

What (4) pieces of legislation guide our HAZMAT response?

A
  1. FRV Act 1958
  2. Emergency Managament Act 2013
  3. Dangerous Good Act (Storage and Handling)
  4. Aus. Dangerous Goods Code (Transport)
17
Q

What is a HAG sheet? And what is used for?

A
  1. Hazmat Action Guide
  2. Chemdata codes tell the FF:
    * Required PPC
    * State & hazards of the product
    * The effect of water with the product
    * Actions that may be taken
    * Firefighting medium or method
    * Decon method
    * Environmental protection priority
18
Q

What is the purpose of decontamination? (4)

A
  • Confine the contaminant within the hot zone.
  • Remove the decontaminant within the decontamination corridor to ensure the safety and health of response personnel and the general public.
  • Remove contaminants from equipment.
  • Ensure protection of the cold zone.
19
Q

List (4) methods of decontamination?

A
  1. Emergency
  2. Technical
  3. Mass
  4. Bulk

Final Theory Exam (15 decks)

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