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Test > Haz Mat Ch.3 > Flashcards

Haz Mat Ch.3 Flashcards

1
Q

What is the purpose of identifying hazardous materials at a hazmat incident?

A

To determine safe distances for isolation and protection

Safe distances are critical for ensuring the safety of personnel and the public during hazmat incidents.

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2
Q

What resources can Awareness Level Personnel use to identify hazardous materials?

A

Current edition of the Emergency Response Guidebook (ERG) or other equivalent resource

The ERG provides crucial information on fire, explosion, and health hazards associated with materials.

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3
Q

What information is typically found in shipping documents for hazardous materials?

A

4-digit UN number, proper chemical shipping name, hazard classes, divisions, and packing group

Shipping documents are essential for initiating protective actions during a hazmat incident.

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4
Q

What does the packing group indicate regarding hazardous materials?

A

The degree of danger they present

Packing groups help responders assess risk quickly.

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5
Q

What are the three packing groups for hazardous materials?

A
  • Packing Group I: high danger
  • Packing Group II: medium danger
  • Packing Group III: low danger

Each packing group reflects the potential risk associated with the hazardous material.

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6
Q

True or False: The inside cover of the ERG provides a key to understanding shipping documents.

A

True

This key helps responders interpret the critical information found in shipping documents.

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7
Q

Fill in the blank: The proper chemical shipping name is listed ______ in the shipping documents.

A

[second]

The order of information is crucial for understanding the risks associated with the hazardous material.

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8
Q

What type of hazard information can Awareness Level Personnel identify using the ERG?

A
  • Fire hazards
  • Explosion hazards
  • Health hazards

Understanding these hazards is vital for effective response and safety.

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9
Q

What is the significance of the 4-digit UN number in shipping documents?

A

It identifies the specific hazardous material being transported

The UN number is a crucial reference for emergency responders.

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10
Q

What is the purpose of the ERG?

A

The ERG is a guide to aid emergency responders in quickly identifying the initial hazmat hazards involved in a transportation emergency incident.

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11
Q

How does the ERG help during an incident?

A

It helps protect responders and others by avoiding and minimizing hazards during the incident’s initial response phase.

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12
Q

Where is the ERG primarily designed to be used?

A

The ERG is primarily designed for hazardous materials incidents occurring at highways, railroads, and pipelines.

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13
Q

Are the isolation and protective distances in the ERG suitable for all locations?

A

No, they are based on conditions commonly associated with transportation incidents in open areas and may not be appropriate for fixed-facility locations or urban settings.

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14
Q

Does the ERG address all possible circumstances of hazardous materials incidents?

A

No, the ERG does NOT address all possible circumstances that may be associated with a dangerous goods/hazardous materials incident.

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15
Q

How can you locate the appropriate initial action guide page in the ERG?

A

You can locate it by identifying the four-digit UN identification number on a placard, orange panel, or shipping papers, and then looking up the appropriate guide in the yellow-bordered pages.

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16
Q

What is another method to find the initial action guide in the ERG?

A

Reference the name of the material involved (if known) in the blue-bordered pages. Exact spelling is important when using this method.

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17
Q

What should you do if you identify the material’s transportation placard?

A

Reference the three-digit guide code associated with the placard in the Table of Markings, Labels, and Placards and Initial Response Guide to Use On-Scene located in the front of the ERG.

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18
Q

How can first responders use the container profiles in the ERG?

A

First responders can identify container shapes and then cross-reference the guide number to the orange-bordered page provided in the nearest circle.

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19
Q

What can responders use to locate the most specific initial action guide?

A

Responders can use the four-digit ID number or the chemical name.

20
Q

What do the yellow-bordered pages in the ERG provide?

A

A four-digit UN/NA ID number index list in numerical order.

21
Q

What follows the four-digit ID number in the ERG?

A

Its assigned three-digit emergency response Initial Action Guide number (the ‘Guide’).

22
Q

What is indicated by green highlighting in the yellow-bordered index?

A

The substances are gases or may release gases that are toxic inhalation hazards (TIH).

23
Q

What do materials classified as TIH require?

A

Enhanced emergency response distances.

24
Q

What is the purpose of the yellow-bordered section in the ERG?

A

To enable first responders to identify the Guide number to consult for the substance involved.

25
Q

What does a ‘P’ following the Guide number indicate?

A

A ‘P’ indicates that a material polymerizes.

Polymerization is a violent reaction that releases great amounts of heat and energy.

26
Q

What are other terms denoting possible polymerization?

A

Other terms include: monomer, stabilizer, and inhibitor.

27
Q

What is an Inhibitor?

A

Material that is added to products that easily polymerize in order to control or prevent an undesired reaction. Also known as Stabilizer.

28
Q

What is a monomer?

A

A molecule that may bind chemically to other molecules to form a polymer.

29
Q

What do the blue-bordered pages of the ERG provide?

A

An index of dangerous goods in alphabetical order by material name.

30
Q

What follows a material’s name in the ERG?

A

Its assigned three-digit emergency response guide and four-digit UN/NA ID number.

31
Q

Why is it important to be careful when looking up a product’s name?

A

A subtle mistake in spelling can lead to a substantial misunderstanding of a product’s behavior.

32
Q

What does green highlighting indicate in the blue-bordered pages?

A

The release of TIH gases.

33
Q

What does a ‘P’ following the Guide number indicate?

A

That the material polymerizes.

34
Q

What is the purpose of the book’s orange-bordered section?

A

The orange-bordered section provides safety recommendations and general hazards information.

35
Q

How are the Guides organized in the orange-bordered section?

A

The Guides are presented in a two-page format, featuring three sections.

36
Q

What information is found on the left-hand page of each Guide?

A

The left-hand page lists potential hazards and public safety information.

37
Q

What information is found on the right-hand page of each Guide?

A

The right-hand page provides emergency response information.

38
Q

What does the Guide title indicate?

A

The Guide title identifies the general hazards of the materials or dangerous goods addressed.

39
Q

What types of hazards are addressed in the Potential Hazards section?

A

The Potential Hazards section addresses health hazards and fire or explosion hazards.

40
Q

Why should the Potential Hazards section be consulted first?

A

It assists in making decisions regarding the protection of individuals at the incident.

41
Q

What types of warnings might be found in the Potential Hazards section?

A

Warnings include TOXIC, HIGHLY FLAMMABLE, and CORROSIVE.

42
Q

What does the Public Safety section provide?

A

The Public Safety section provides initial precautionary actions for first-arriving or on-scene personnel.

43
Q

What additional information is included in the Public Safety section?

A

It includes recommendations for protective clothing, respiratory protection, and evacuation distances.

44
Q

What is Initial Isolation Distance?

A

Distance within which all persons are considered for evacuation in all directions from a hazardous materials incident.

45
Q

What is the Initial Isolation Zone?

A

A circular zone with a radius equivalent to the initial isolation distance, within which persons may be exposed to dangerous concentrations upwind of the source and may be exposed to life-threatening concentrations downwind of the source.

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