HAZMAT Questions and Answers 100%
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Define "Hazardous Materials" ✔✔any substance, material or device posing an unreasonable risk
to health, safety or property when transported in commerce ...
List the nine hazardo
...
HAZMAT Questions and Answers 100%
Pass
Define "Hazardous Materials" ✔✔any substance, material or device posing an unreasonable risk
to health, safety or property when transported in commerce ...
List the nine hazardous classes per DOT ✔✔1 - Explosives
2 - Gases (Flammable and Non-Flammable)
3 - Flammable & Combustible liquids
4 - Flammable Solid
5 - Oxidizer
6 - Poison / Infectious Substance
7 - Radioactive material
8 - Corrosive material
9 - Miscellaneous
What is a Hazardous Materials Event? ✔✔situation in which hazardous material is or may be
released into the environment
Define "Toxicology" ✔✔the study of the nature and actions of poisons.
List two things about Dose-Response Concept ✔✔1) All substances in the right amount become
toxic
2) Better shape you are in = the better your chance of survival
What increases the likelihood of exposure at HAZMAT incident ✔✔Heat and Poor ventilation
Define "Exposure" ✔✔the process by which people, animals, and equipment are subjected to or
come in contact with a hazardous material.
The magnitude of exposure depends on what? ✔✔the duration and the concentration of the
material.
HAZMAT (EPA) definition ✔✔Substance which due to its concentration, quantity or
chemical/physical properties may cause or contribute to an increase mortality and illness
HAZMAT (DOT) definition ✔✔Any substance or material in any form or quantity which poses
an unreasonable risk to safety, health and property when transported in commerce
HAZMAT (OSHA) definition ✔✔Any substance to which exposure results or may result in
adverse effects on health or safety of employees or any chemical which is a physical hazard or a
health hazard
List the Routes of Exposure ✔✔Inhalation, Absorption (skin, eye), Ingestion, Injection
Effects of Hazardous Materials ✔✔1) Society - Acute, Chronic health conditions, Death
2) Environmental - Water systems, loss of productive use of lands - necessity to destroy food
items
3) Transportation
4) Government Entities & Strain on Resources - Budget, equipment, materials, reduction on
services
5) Healthcare
TLV stands for? ✔✔Threshold Limit Value
IDLH stands for? ✔✔Immediately Dangerous to Life and Health
LC50 ✔✔Lethal Concentration to 50% of the population - Inhalation
LD50 ✔✔Lethal Dose to 50% of the population - other than inhalation
MSDS ✔✔Material Safety Data Sheets
Sources to obtain on-site information ✔✔Shipping Manifest provides the Proper Shipping Name,
Hazard Class and Division, DOT UN ID number, Total Quantity, any Special Hazards
* By Highway - Bill of Lading - Located in the cab of the vehicle
* By Rail - Waybill - Located with the Conductor or Engineer
* By Water - Located in the Wheelhouse or with the Captain
By Air - Air Bill - Located in the cockpit or may be attached to outside of the actual package
* Other Sources to obtain On-Site information: Interviews, Communications with Law
Enforcement, Shipper, Point of Origin
Procedures for Safeguarding Lives at HAZMAT Event ✔✔1) Initial Assessment & Response
2) Removing Citizens from Affected Area
3) Minimizing Health hazards for Responders
The Initial Assessment & Response phase includes? ✔✔* Observations: including Odors, noises,
wind direction, placards
* Assessment
* Plan
* Communicate
* Respond by Establish perimeter, First Aid, ICS
The Removing Citizens from Affected Area phase includes? ✔✔* Limit spread of contamination
* Safe Travel Routes
* Perimeter security
The Minimizing Health Hazards for Responders Phase includes? ✔✔* Stay outside of the
perimeter
* Remain upwind / uphill
* Wait for qualified assistance
CERCLA 1980 ✔✔Comprehensive Environmental Response Compensation and Liability Act
RCRA 1976 ✔✔Resource Conservation and Recovery Act
Two main steps for Working a HAZMAT Incident? ✔✔1) Use a Safe & Cautious Approach -
the major consideration is the WIND Direction
2) Identify the Hazardous Material
a. Name of Material on the Manifest
b. Identification number on manifest
c. Color of the 10 ¾ " Placard
d. UN ID # on the placard
ERG ✔✔Emergency Response Guide - basic safety tool for First Responders to ID HAZMAT
ERG White Pages contain? ✔✔placard table, hazard class system, rail & road trailer ID chart,
biological agents
ERG Yellow Pages contain? ✔✔Indexed 4 digit ID numbers
ERG Blue Pages contain ✔✔Indexed by name
Two level of First Responder at HAZMAT incident ✔✔• Awareness level - defined as one likely
to witness / discover a HAZMAT release and can initiate authorities and take no further action.
• Operational level - is defined as one who responds to HAZMAT release to protect life,
environmental and property (in a defensive fashion)
Role of Technician at HAZMAT incident ✔✔Offensive actions; respond and assume a more
aggressive role than First Responder
Role of Specialists at HAZMAT incident ✔✔Respond with and provide support to HAZMAT
Technicians
Marked at public road and rail crossings and at various intervals. MUST contain operator name,
emergency phone #, and name of material. ✔✔Pipelines
"SIN" stands for? ✔✔Safety, Isolation, Notification
ERG Orange Pages contain ✔✔Info on potential hazards & appropriate emergency actions -
GUIDE PAGES
ERG Green Pages contain ✔✔o Table of initial isolation & protective action distances,
dangerous when wet materials & poison;
o Inhalation hazards
o Indexed by 4 digit ID number
Left diamond of NFPA 704 Sign ✔✔Blue
Health
Top diamond of NFPA 704 Sign ✔✔Red
Flammability
Right diamond of NFPA 704 Sign ✔✔Yellow
Reactivity
Bottom diamond of NFPA 704 Sign ✔✔White
Special Hazard
• OXY - oxidizer
• ACID
• ALK - Alkali
• COR - corrosive
• W - no water
The Incident Command Management System consists of? ✔✔1) Hazard Identification -
Recognize and ID the presence of HAZMAT. This may be accomplished by interviewing the
carrier, reading shipping manifests or product labels
2) Action Plan - Evaluate the situation by determining what you are going to do. Short/long term
needs. Who will be in charge
3) Zoning - Control risk by establishing perimeters for the public, other responders, and support
personnel
4) Managing the Event - Establish a command structure to effectively handle the event.
Remember, until more capable personnel arrive, YOU are the Incident Commander
5) Assistance - Determine additional resources needed
6) Termination
Define "Contamination" ✔✔actually coming into contact with material
Define "Acute effects" ✔✔one time, immediate exposure
Define "Chronic effects" ✔✔continuous, recurring or long term exposures
Points of Safeguarding? ✔✔Public Notification
Citizen Removal
Minimizing Health Hazards for Responders
Removal of Livestock
Protective Personal Gear
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