Hazardous Materials Awareness
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Questions and Answers

What is a reference book intended as a guide to aid emergency responders in identifying specific hazards?

Emergency Response Guidebook.

What are the two types of potential hazards found in each guide of the Emergency Response Guidebook?

Health and fire/explosion.

What are the steps taken to preserve the health and safety of emergency responders and the public during an incident called?

Protective actions.

What is the four-digit number appearing on a placard or an orange panel of a tank car called?

<p>UN product identification number.</p> Signup and view all the answers

For materials in Hazard Class 8 (corrosive), a DOT placard is required if the gross weight is in excess of __________.

<p>1001 lbs.</p> Signup and view all the answers

What do UN/DOT placards indicate regarding general hazard recognition?

<p>Giving the UN hazard class number.</p> Signup and view all the answers

On a placard, what does the number at the bottom of the diamond indicate?

<p>UN hazard class.</p> Signup and view all the answers

The DOT Placarding System requires a vehicle carrying over 1001 pounds of corrosive to display a __________ placard.

<p>White over black.</p> Signup and view all the answers

The DOT Placarding System requires a vehicle carrying nonflammable compressed gas to display a placard colored __________.

<p>Green.</p> Signup and view all the answers

A Hazard Class of 3, within the U.N. Labeling System indicates a __________ product.

<p>Flammable/combustible liquid.</p> Signup and view all the answers

A substance that readily yields oxygen to support combustion of fuels would be labeled Hazard Class __________ under the UN/DOT Labeling System.

<ol start="5"> <li></li> </ol> Signup and view all the answers

A container of flammable solids would receive a UN Label or placard with a hazardous classification number of __________.

<ol start="4"> <li></li> </ol> Signup and view all the answers

Using the UN/DOT Labeling System, a flammable liquid would receive a hazard classification of?

<ol start="3"> <li></li> </ol> Signup and view all the answers

Within the UN/DOT System, a container labeled with a Hazard Class 4 contains a?

<p>Flammable solid.</p> Signup and view all the answers

What document includes composition, handling and storage, and first aid measures?

<p>Material Safety Data Sheet.</p> Signup and view all the answers

The background color of a placard that signifies a poisonous substance hazard and contains a skull and crossbones is __________.

<p>White.</p> Signup and view all the answers

What type of placard is required for a tractor-trailer carrying 1001 lbs. of organic peroxides, other than Type B?

<p>Yellow placard.</p> Signup and view all the answers

What does the DOT Hazard Class 2 include?

<p>Nonflammable gases.</p> Signup and view all the answers

What type of materials does the DOT Hazard Class 1 include?

<p>Explosives.</p> Signup and view all the answers

The DOT Hazard Class 6 includes all of the following except?

<p>Poison gases.</p> Signup and view all the answers

Placards that contain the DOT Class number 6 at the bottom identify a material that may be an infectious substance hazard.

<p>False</p> Signup and view all the answers

A substance that readily yields oxygen to support combustion of fuels would be labeled __________ under the UN Labeling System.

<ol start="5"> <li></li> </ol> Signup and view all the answers

What placard color should a tractor trailer hauling gasoline display with the Hazard Class?

<p>Red, 3.</p> Signup and view all the answers

_________ is placed on highway transport vehicles to identify the contents.

<p>A placard.</p> Signup and view all the answers

When finding the four-digit UN/DOT number assigned, you can reference all of the following except?

<p>NFPA 704.</p> Signup and view all the answers

Which of the following would not be used to determine the name of a hazardous material located in a facility?

<p>NFPA 704 diamond.</p> Signup and view all the answers

Which examples of hazardous materials would be classified and placarded Class 9 during transportation?

<p>Molten sulfur, PCBs.</p> Signup and view all the answers

What does the DOT Hazard Class 8 consist of?

<p>Corrosives.</p> Signup and view all the answers

What is the primary hazard of a DOT Hazard Class 5 material?

<p>Oxidation.</p> Signup and view all the answers

If a placard is visible but no product name or four-digit UN number is given, how can you determine which guide page of the Emergency Response Guidebook to use?

<p>The table of placards lists guide numbers.</p> Signup and view all the answers

If a chemical name is highlighted in the Emergency Response Guidebook, the table of initial isolation and protective action distances are found in the __________ section.

<p>Green.</p> Signup and view all the answers

When referring to the Emergency Response Guidebook, if a chemical name is not highlighted, the next step is to proceed to the ________ section for the action guides.

<p>Orange.</p> Signup and view all the answers

Why were the chemicals listed in highlighted type in the Emergency Response Guidebook selected?

<p>They present a poison inhalation hazard.</p> Signup and view all the answers

Using the DOT Emergency Response Guidebook, what is the hazard class number assigned for vinyl chloride with the I.D.#1086?

<ol start="2"> <li></li> </ol> Signup and view all the answers

What does the DOT Hazard Class 7 consist of?

<p>Radioactive substances.</p> Signup and view all the answers

What does the DOT Hazard Class 9 consist of?

<p>Miscellaneous.</p> Signup and view all the answers

Which section of the Emergency Response Guidebook provides fire, explosion, and health hazard information for the material identified by the first responder?

<p>Orange.</p> Signup and view all the answers

What should a first responder do if a numbered guide for a transported hazardous material cannot be obtained?

<p>See if the placard is visible, refer to the Table of Placards section of the Guidebook.</p> Signup and view all the answers

Study Notes

Emergency Response Guidebook

  • A critical resource for emergency responders to quickly identify hazards during incidents with hazardous materials.
  • Contains health and fire/explosion hazard categories.

Protective Actions

  • Essential steps to ensure the safety of emergency responders and the public during hazardous material releases.

Hazard Identification

  • UN product identification number is a four-digit code found on placards or orange panels of transport vehicles.
  • Placards display the UN hazard class number, which is crucial for hazard recognition.

Hazard Class Placarding

  • DOT placards for Hazard Class 8 (corrosive) materials are required for gross weights exceeding 1001 lbs.
  • Nonflammable compressed gas requires a green placard.
  • Flammable/combustible liquids receive a Hazard Class 3 label.
  • Flammable solids receive a Hazard Class 4 label.

Material Safety Data Sheet (MSDS)

  • Includes critical information on composition, handling, storage, and first aid measures related to chemicals.

Hazard Class Overview

  • Class 1: Explosives
  • Class 2: Nonflammable gases
  • Class 3: Flammable liquids
  • Class 4: Flammable solids
  • Class 5: Oxidizers
  • Class 6: Poisons
  • Class 7: Radioactive substances
  • Class 8: Corrosives
  • Class 9: Miscellaneous (e.g., molten sulfur, PCBs)

Guidebook Procedures

  • A visible placard without a product name or UN number requires referencing the Table of Placards for guide numbers.
  • Highlighted chemical names lead responders to protective action distances in the green section of the guidebook.
  • Unhighlighted chemical names require the responder to check the orange section for action guides.

Gas and Chemical Hazards

  • Placards indicating Hazard Class 6 may identify infectious substance hazards.
  • The primary hazard of DOT Hazard Class 5 materials is oxidation.
  • A tractor trailer carrying gasoline displays a red, Hazard Class 3 placard.

Regulatory References

  • NFPA 704 is not used to determine hazardous material names in facilities.
  • Certain materials classified under Class 9 may have specific transportation regulations and precautions.

First Responder Actions

  • When unable to obtain a numbered guide, responders should check for placards and consult the Emergency Response Guidebook.

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Description

Test your knowledge on hazardous materials awareness and emergency response protocols. This quiz focuses on key terms and definitions related to the Emergency Response Guidebook and the types of hazards encountered by emergency responders. Perfect for anyone preparing for hazardous materials response.

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