HazMat Flashcards

1
Q

Support agencies attending HazMat incident

A

ACTAS - Patient care.
AFP - Traffic control, crowd control, evacuation.
SES - Logistical support to control authority.
Environment ACT - Provides direction to the control authority on potential environmental impact.

ACTGAL - ACT Government Analytical Laboratories
Workcover - Determines compliance with WHS legislation, investigates breaches.
Canberra Regional Oil Industry Emergency Response Group (CROIERG) - Provides assistance with product identification, recovery and containment.
ActewAGL and Icon Water - Responsible for utilities.
Jemena - Responsible for natural gas.
Military
HazMat Specialists - Provide expect advise.

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2
Q

Definition of Hazardous materials

A

Hazardous materials refers to both dangerous goods and hazardous substances. Theyre substances that are considered to present a risk to the health and safety of the public.

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3
Q

Locations hazardous materials will be found

A

Transport vehicles carrying materials
Chemical plants
Transport depots
Manufacturing facilities
Hospitals
Universities
Laboratories

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4
Q

Main characteristics of a hazardous material

A

Toxicity
Flammability
Reactive
Corrosive

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5
Q

Ways toxic substances can enter the body

A

Inhalation
Ingestion
Injection
Absorption

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6
Q

What do the coloured pages in the DG-IERG/HB76 represent

A

Green - UN number order
Orange - Technical name alphabetical order
Yellow - Guide pages

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7
Q

Where is the DG-IERG/HB76 found on the appliance

A

Dangerous goods - initial emergency response guide is found in the hazmat satchel behind the SO seat in urban pumpers.

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8
Q

Sections provided in the SDS

A

Identification
Hazards identification
Composition/ information on ingredients
First aid measures
Fire-fighting measures
Accidental release measures
Handling and storage
Exposure controls/ personal protection
Physical and chemical properties
Stability and reactivity
Toxicological information
Ecological information
Disposal considerations
Transport information
Regulatory information
Other information

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9
Q

What is the response sequence

A

I - Identify hazard
P - PPE required
I - Isolate (area of contamination/hazard)
C - Contain (contaminate)
D - Decontaminate (persons and equipment)
M - Monitoring of contamination and personnel

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10
Q

Define the hot zone

A

The hot zone is identified as an area of isolation where contaminant levels are considered sufficiently high to threaten life and safety. Only personnel equipped with correct PPE and equipment can enter.

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11
Q

Define the warm zone

A

The warm zone is the area immediately surrounding the hot zone where decontamination commences. May still pose exposure rick to unprotected personnel.

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12
Q

Define the cold zone

A

The cold zone is a support area immediately surrounding the warm zone. Site control, casualty treatment area and marshalling/ assembly areas are generally established in cold zone.

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13
Q

What are the 9 classes of hazards

A
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14
Q

What is a HAZCHEM code

A

HAZCHEM code is a short code that gives information about the initial actions to be taken at a hazmat scene.
Could be 2PE or similar. Can be read on page 316 of Dangerous goods - initial emergency response guide.

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15
Q

General precaution when attending hazmat incident

A

Control the movement of people.
Confirm that the incident involves hazardous materials:
1) Look for the HAZCHEM sign.
2) Identify the materials form a distance (use binoculars)
3) During identification, remember that spelling and product details are crucial.
4) Do not guess - only use the information that is at hand.
Once the hazardous materials have been identified:
1) Select appropriate PPE.
2) Avoid any unnecessary exposure.

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16
Q

Containment strategy types and pros

A

Defensive strategy:
Defensive strategy’s involve no direct intervention by the firefighter. The aim is to let the incident stabilise itself. Could lead to less pollution and reduce risk of toxic exposure to firefighters and community.
Offensive strategy:
Offensive strategy’s involve some form of direct intervention. Could include aggressive hose line attack to perform a rescue or protect an exposure, or an aggressive application of neutraliser to contain a dangerous acid spill.

17
Q

Containment techniques and confinement tactics

A

Containment techniques:
Up-righting and sealing leaking containers.
Allowing the leak to continue then handling appropriately.
Plugging and patching leaking containers.
Closing valves and closing and tightening lids.
Confinement tactics:
Diversion
Dyking
Retention

18
Q

Levels of decontamination

A

Level 1 - Emergency decontamination
Level 2 - Emergency service decontamination
Level 3 - Mass contamination
Level 4 - Bulk contamination

19
Q

Principles of emergency decontamination

A

Wet
Strip
Wash
Cover

20
Q

Considerations when siting decontamination zone

A

Type of contamination to be carried out.
Weather condition, particularly wind.
Location of any drains and water courses (to control run off).
Topography.
Comfort and safety or personnel.
Location of appliances.
Location of water supplies.
Location of appliances to supply hose lines, lighting etc.
Proximity to incident.
Location of entry control point.

21
Q

Technical decontamination corridor

A
22
Q

Heirachy of hazmat information source

A

DG-IERG

HAG sheet

SDS