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HAZARDOUS MATERIALS OPERATIONS STATE
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Which of the following is a primary responsibility of the Awareness-Level first responder? A. Implementing a plan of action B. Beginning offensive actions at the incident C. Analyzing an incident to determine the extent of potential harm D. Recognizing the presence or potential presence of a hazardous material - Answer Recognizing the presence or potential presence of a hazardous material Which NFPA standard specifies competencies Awareness-Level first responders must meet? A. NFPA 272 B. NFPA 472 C. NFPA 1002 D. NFPA 1600 - Answer NFPA 472 What are the 3 physical states of matter? - Answer - Solid
- Liquid
- Gas Temperature at which a liquid changes to a solid - Answer freezing point Temperature at which a solid changes to a liquid - Answer Melting Point What are the 5 steps to the Incident tactical response objective - Answer - Isolate
- Identify
- Notify
- Mitigate
- Terminate The nation requires a ____________________ to provide a comprehensive and effective means to disseminate information regarding the risk of terrorist acts to federal, state and local authorities and to the American people. - Answer Homeland Security Advisory System Which of the following refers to the process of taking in materials by breathing through the nose or mouth? A. Absorption B. Ingestion C. Inhalation D. Penetration - Answer Inhalation
Which of the following would be a potential ignition source in an explosive atmosphere? A. Using bells or whistles B. Operating a radio C. Touching metal surfaces D. Donning/doffing SCBA - Answer Operating a radio Which of the following are the three states that hazardous materials may occur in? A. Gas, liquid, solid B. Stable, unstable, neutral C. Vapor, smoke, steam D. Flammable, nonflammable, combination - Answer Gas, liquid, solid Malaria is what type of hazard? A. Etiological B. Chemical C. Thermal D. Radiological - Answer Etiological What type of hazard are striking injuries that are the result of a BLEVE? A. Thermal B. Etiological C. Mechanical D. Chemical - Answer Mechanical Which of the following DOT placard color codes refers to health hazards? A. White B. Green C. Blue D. Yellow - Answer White Which of the following DOT placard color codes refers to oxidizer hazards? A. Green B. Blue C. Orange D. Yellow - Answer Yellow Ability of a material to release energy either by itself or in combination with other materials - Answer Reactivity Which U.S. DOT hazard class refers to poison materials and infectious substances? A. Class 4 B. Class 5 C. Class 6 D. Class 7 - Answer Class 6 Any liquid or solid that causes steel to corrode at a severely accelerated rate. - Answer Corrosive
The ability of a substance to dissolve in water - Answer Water solubility Chemicals which affect a fetus in vivo, causing birth defects, fetal distress or death ex: lead, ethylene, oxide - Answer Teratogens Which of the following colors represents instability hazards in the NFPA 704 system? A. Red B. Blue C. White D. Yellow - Answer Yellow What does Class 4 stand for? - Answer Flammable solid True/False Non-polar solvents are not water soluble - Answer True What Does BLEVE stand for? - Answer Boiling liquid expanding vapor explosion Which of the following U.S. pipeline color codes represents low-hazard liquids? A. Red B. Blue C. Green D. Yellow - Answer Green What does Class 8 belong to? - Answer Corrosive Which of the following entries on shipping papers would indicate the presence of hazardous materials? A. Receiver's name and address B. Shipper's name and address C. Gross weight of material shipped D. UN/NA identification number - Answer UN/NA identification number Exposure that is long term, occurring over the course of many months or years - Answer Chronic Any material that causes the victim to suffocate - Answer Asphyxiant Cancer causing agent - Answer Carcinogen What are 2 examples of Polar solvents - Answer Alcohol, acetone Which of the following is the shipping paper name for highway transport? A. Air bill B. Bill of lading C. Waybill/consist D. Dangerous cargo manifest - Answer Bill of lading
What section of the MSDS would contain information on emergency and first-aid procedures? A. Control Measures B. Reactivity Data C. Hazardous Ingredients D. Health Hazard Data - Answer Health Hazard Data Chemicals which causes a large percentage of people or animals to develop an allergic reaction after repeated exposure - Answer Sensitizers (allergen) Ability of a material to cause damage ( on contact) to skin, eyes, or other parts of the body - Answer Corrosives Which of the following pages in the ERG index hazardous materials in numerical order of their 4-digit ID numbers? A. Yellow-bordered pages B. Blue-bordered pages C. Orange-bordered pages D. Green-bordered pages - Answer Yellow-bordered pages Which of the following pages in the ERG alphabetically index hazardous materials by name? A. Yellow-bordered pages B. Blue-bordered pages C. Orange-bordered pages D. Green-bordered pages - Answer Blue-bordered pages Capable of causing harm or posing an unreasonable risk to life, health, property or environment - Answer Hazard When a person or object transfer the contaminant or the source of contamination to another person or object by direct contact - Answer Secondary (Cross Contamination) Exposure that occurs instantly, produces observable signs such as eye irritation, coughing, dizziness and skin burns - Answer Acute Exposure What are 2 examples of non-polar solvents - Answer Gas and toluene, oils Which of the following pages in the ERG provide safety recommendations and general hazard information? A. Yellow-bordered pages B. Blue-bordered pages C. Orange-bordered pages D. Green-bordered pages - Answer Orange-bordered pages Which of the following sections in the Initial Action Guides provides the type of protective clothing and respiratory protection that should be worn? A. Potential Hazards section B. Public Safety section
A. Sudden drop in temperature B. Wind that suddenly shifts direction C. Air that is unusually humid or dry D. Spreading vapor cloud or smoke - Answer Spreading vapor cloud or smoke Which section of the ERG would provide information on establishing the initial isolation distance for highlighted chemicals? A. Protective Action Distances section B. Potential Hazards section C. Public Safety section D. Emergency Response section - Answer Protective Action Distances section What division includes Toxic Gases - Answer Division 2. Which of the following zones does not require the use of personal protective clothing? A. Hot zone B. Warm zone C. Cold zone D. Buffer zone - Answer Cold zone Which of the following statements about Awareness-Level notification is true? A. It may be as simple as dialing 911. B. It requires contacting an emergency response center. C. It requires first contacting an immediate supervisor. D. It requires waiting for additional emergency response before calling. - Answer It may be as simple as dialing 911. Which of the following would be an Awareness-Level rescue action? A. Providing medical care to contaminated victims B. Assisting in decontamination of victims C. Directing people to an area of safe refuge D. Assisting in removing victims from the hot zone - Answer Directing people to an area of safe refuge Why is it important for first responders to preserve evidence? A. So criminals can identify their belongings B. So investigators can identify and successfully prosecute the guilty parties C. So media have access to an undisturbed crime scene D. So law enforcement can auction off any valuables taken from the scene - Answer So investigators can identify and successfully prosecute the guilty parties In order to perform an evacuation, which of the following must there be enough time for? A. To warn people B. To reschedule public events C. To complete the business workday D. To reroute public transportation - Answer To warn people
Chemicals which may cause chromosomal changes or damage. May not be discovered for two generations (grandchildren) - Answer Mutagens When might sheltering in place not be the best option? A. The material is too toxic to risk any exposure B. Vapors or gases are explosive C. The population is unable to initiate evacuation D. The material is spreading very rapidly - Answer Vapors or gases are explosive Which of the following statements about structural fire-fighting clothing is true? A. It is both corrosive-resistant and vapor-tight. B. It is designed so that gaps do not occur in places such as the neck and wrists. C. It provides limited protection against hazardous materials. D. The rubber or neoprene in boots and gloves cannot be permeated by chemicals. - Answer It provides limited protection against hazardous materials. A single dose which causes the death of a specific number of the group of test animals by any route other than inhalation. - Answer Lethal dose What does PEL stand for? - Answer Permissible Exposure Limit The atmospheric condition of any toxic, corrosive, or asphyxiant substance such that it poses an immediate threat to life, or could cause irreversible or delated adverse health effects - Answer IDLH Which of the following statements about chemical protective clothing is true? A. Most CPC is permeable to moisture. B. CPC retains its effectiveness regardless of use conditions. C. Any CPC will provide protection against all chemical hazards. D. No one type of CPC provides protection against all types of chemicals. - Answer No one type of CPC provides protection against all types of chemicals. Which of the following statements about Level D ensembles is true? A. Level D ensembles provide respiratory protection. B. Level D ensembles may be worn in the hot zone. C. Level D ensembles are for nuisance contamination only. D. Level D ensembles can be encapsulating or nonencapsulating. - Answer Level D ensembles are for nuisance contamination only. What does Class 2 stand for? - Answer Gases Which of the following is a characteristic of a chemical incident? A. No odor or color B. Symptoms may take days or even weeks to appear C. Symptoms are noticeable either within minutes or hours D. May spread beyond the initial contamination because of activities of affected individuals - Answer Symptoms are noticeable either within minutes or hours the maximum airborne concentration to which a person may be exposed 8 hours a day, 40 hours a week, with no ill effects - Answer TWA (Time Weighted Average)
D. Greater than usual number of people leaving their homes or offices for the outdoors - Answer Greater than usual number of people leaving their homes or offices for the outdoors What our 3 categories of hazardous materials hazards - Answer Thermal, Mechanical and Etiological Black powder is in which class of explosive attacks - Answer Propellants Which type of biological agent included smallpox - Answer Type A Operational Level First Responders must meet which NFPA standard - Answer NFPA 472 What does LEL/LFL mean? - Answer The lowest concentration that will produce a flash of fire when an ignition source is present What does the acronym BLEVE mean? - Answer Boiling Liquid Expanding Vapor Explosion Which of the following is NOT an element of the reactivity Triangle A. Oxidizing Agent (oxygen) B. Reducing Agent (Fuel) C. Polymerization (Catalyst) D. Energy Source (Often Heat - Answer C Polymerization (Catalyst) What division involves non flamable, not toxic gases - Answer 2. What materials does the UN/DOT Division 2.1 cover - Answer Flammable Gases Compared to other types of incidents to which first responders are commonly called, hazardous material incidents typically ___________. A) are shorter in duration B) are more complicated C) produce a higher rate of false alarms D) result in more injuries - Answer B) are more complicated By which acronym are the federal regulations detailing hazardous materials response competencies collectively known? A) HAZEL B) HAZWOPER C) SARA D) HSC/HHC - Answer B) HAZWOPER The DOT definition of hazardous materials focuses on those materials that are __________. A) intrinsically harmful B) not properly controlled
C) transported in bulk D) in the process of transport - Answer B) not properly controlled Which of the following actions is permitted for operations-level hazardous materials responders? A) Closing a remote valve B) Product transfer C) Overpackaging D) Rescue - Answer A) Closing a remote valve Which federal agency enforces and publicizes laws and regulations governing transportation of hazardous materials? A) Environmental Protection Agency B) Department of Transportation C) Interstate Commerce Commission D) Department of Energy - Answer B) Department of Transportation Which NFPA standard deals with various aspects of hazardous materials emergency response? A) 1901 B) 1002 C) 473 D) 10 - Answer C) 473 What division includes, Oxidizing substances - Answer Division 5. What division includes Organic peroxides - Answer Division 5. Which personnel level receives more specialized hazardous materials training than the Technician level? A) Specialist B) Operations C) Technologist D) Expert - Answer A) Specialist Which of the following actions is reserved for technician-level hazardous materials responders? A) Decontamination B) Offensive C) Containment D) Defensive - Answer B) Offensive Which group within the NFPA produces the hazardous materials response standards? A) Technical Committee on Hazardous Materials Response Personnel B) Special Task Force on Hazardous Materials Substances, Responses, and Disposal C) Scientific and Technical Committee for Field Applications
B) After identifying the materials involved C) During preincident planning D) Upon arrival at the scene - Answer C) During preincident planning In general, which factor has the most influence on the actions taken at a hazardous materials incident? A) The initial actions of first responders B) The properties of the specific chemicals involved C) Fixed facility versus transportation accident D) Weather conditions - Answer B) The properties of the specific chemicals involved Defensive hazardous materials operations are those actions taken to _________. A) minimize the volume of the release B) control the incident perimeter and isolate the hazard C) prevent the situation from deteriorating D) contain the release from a safe distance - Answer D) contain the release from a safe distance Approximately how many chemicals are registered for commercial use in the United States? A) 10, B) 25, C) 80, D) 200,000 - Answer C) 80, What does Class 6 belong to? - Answer Poison (toxic), inhalation hazard, infectious substance What is the minimum level of hazardous materials training required to take defensive actions? A) Awareness B) Technician C) Operations D) Specialist - Answer C) Operations What is the temperature at which a liquid continuously gives off vapors? A) Evaporation point B) Flash point C) Boiling point D) Fire point - Answer C) Boiling point What is the temperature at which a flammable liquid will ignite without any external ignition source? A) Fire point B) Flash point C) Lower explosive limit D) Ignition temperature - Answer D) Ignition temperature Why are flammable liquids with low boiling points dangerous? A) Ignition temperature is proportional to boiling point
B) Such liquids react more readily with other substances C) Such liquids typically have a high vapor density D) Such liquids produce large volumes of flammable vapor at relatively low temperatures - Answer D) Such liquids produce large volumes of flammable vapor at relatively low temperatures Which toxic chemical is produced by the burning of wood? A) Copper chlorate B) Organic peroxide C) Cyanide D) Acetic acid - Answer C) Cyanide Which type of agent is also known as a riot-control agent? A) Deterrent B) Choking C) Irritant D) Smothering - Answer C) Irritant Which section of the Emergency Response Guidebook (ERG) contains the guides? A) Green B) Yellow C) Blue D) Orange - Answer D) Orange What is the vapor density of air? A) 14. B) 7 C) 1 D) 0 - Answer C) 1 Which term means the volume increase that occurs when a liquid material changes to a gas? A) Coefficient of vaporization B) Evaporation rate C) Expansion ratio D) Evaporation volume - Answer C) Expansion ratio According to the NFPA, what is defined as a material capable of posing an unreasonable risk to health, safety, or the environment? A) Contaminant B) Hazard C) Dangerous good D) Exposure - Answer B) Hazard What is the term for the process by which people, animals, the environment, and equipment come into contact with a hazardous material? A) Contamination B) Absorption
A) the release of energy B) a physical change C) spattering or boiling D) the evolution of gas - Answer A) the release of energy Which sort of change is combustion? A) Chemical B) Physical C) Endothermic D) Hypergolic - Answer A) Chemical Which of the following is an example of secondary contamination? A) Contamination by airborne vapors B) Contact with the material during a defensive operation C) Stepping in a contaminated liquid pool D) Handling a contaminated tool - Answer D) Handling a contaminated tool What do Dewar containers hold? A) Foodstuffs B) Compressed gas C) Liquids for transport via air D) Cryogenic liquids - Answer D) Cryogenic liquids In the blue and yellow sections of the Emergency Response Guidebook (ERG), materials with a toxic inhalation hazard (TIH) are __________. A) underlined B) highlighted C) italicized D) in bold print - Answer B) highlighted What is the maximum capacity of an intermodal tank? A) 1500 gallons (5700 L) B) 3000 gallons (11,350 L) C) 4500 gallons (17,000 L) D) 6000 gallons (22,700 L) - Answer D) 6000 gallons (22,700 L) The time of onset for symptoms from the chemical agents used by terrorists is ________. A) seconds B) minutes to hours C) days D) weeks - Answer B) minutes to hours What does the NFPA 704 marking system address? A) Initial actions at a material release B) Hazardous materials at fixed facilities C) Compliance with the Hazard Communication Standard D) Hazardous materials transportation - Answer B) Hazardous materials at fixed facilities
What is the typical maximum pressure reading for a standard oxygen cylinder used in the medical field? A) 1000 psi (6900 kPa) B) 2000 psi (13,800 kPa) C) 3000 psi (20,700 kPa) D) 4000 psi (27,580 kPa) - Answer B) 2000 psi (13,800 kPa) Which marking system complies with the OSHA Hazard Communication Standard? A) Hazardous Materials Information System B) NFPA 704 C) Material safety data sheet D) DOT placard - Answer A) Hazardous Materials Information System Which cargo is carried by a highway tanker that has a smaller-diameter tank with several reinforcing rings around the circumference? A) Paving materials B) Nonpotable water C) Corrosives D) Flammable liquids - Answer C) Corrosives Which free service can be accessed to connect fire fighters with chemical manufacturers, chemists, and other specialists during a chemical incident? A) National Response Center (NRC) B) Department of Transportation (DOT) C) Bureau of Explosives (BOE) D) CHEMTREC - Answer D) CHEMTREC What is the term for shipping papers carried on railroad transportation? A) Waybill B) Freight bill C) Manifest D) Switch list - Answer A) Waybill What does Blue stand for in the NFPA Rating system? - Answer Health Which section of the Emergency Response Guidebook (ERG) lists chemicals by their UN identification numbers? A) Green B) Yellow C) Blue D) Orange - Answer B) Yellow What division involves, Extremely insensitive articles which do not have a mass explosion hazard - Answer Division 1. What is most commonly contained in large, above-ground, horizontal storage tanks? A) Compressed gas
C) An elliptical tank cross-section D) A sloping tank bottom - Answer A) A box-like steel frame Which material is commonly used for large-volume nonpressurized horizontal storage tank shells? A) Aluminum B) Polyethylene C) Manganese D) Carbon composite - Answer A) Aluminum What is the first major heading on an MSDS? A) Hazards Identification B) Safe Handling Guidelines C) Product Identification D) Composition - Answer C) Product Identification Which information is critical for proper selection of PPE? A) Decontamination options B) Physical and chemical properties C) Proximity to contaminant D) Confinement method - Answer B) Physical and chemical properties A motor vehicle accident causes a small gasoline spill. This is a Level _____ incident. A) I B) II C) III D) IV - Answer A) I What is the appropriate agency to call upon discovery of a hazardous materials incident? A) National Fire Protection Association (NFPA) B) U.S. Fire Administration (USFA) C) Environmental Protection Agency (EPA) D) National Response Center (NRC) - Answer D) National Response Center (NRC) Hazardous materials operations-level responders should perform only those actions that __________. A) do not involve contact with the material B) can be safely performed without the use of chemical-protective clothing C) do not require special training D) will not require decontamination - Answer A) do not involve contact with the material Which factor is the most important when determining the level of PPE required for a hazardous materials incident? A) The size of the release B) The type of PPE available
C) The physical state of the material D) The responders' experience with this material - Answer C) The physical state of the material Division that includes Substances liable to spontaneous combustion - Answer Division 4. Which reference should responders consult first to determine protective action zones? A) The material data safety Sheet (MSDS) B) Spill modeling software C) A preincident plan D) Emergency Response Guide (ERG) - Answer D) Emergency Response Guide (ERG) Which is the best reference to use for a hazardous materials transportation vehicle identified by a placard? A) Emergency Response Guidebook B) DOT Index of Registered Chemicals C) EPA spill management guide D) Chemical Abstract Service registry - Answer A) Emergency Response Guidebook Which resource is of particular value at a hazardous materials incident? A) American Red Cross B) FEMA field representatives C) Heavy equipment operators D) Technical specialists - Answer D) Technical specialists What should be done if different references conflict in their recommendations regarding a particular hazardous material? A) Go with the recommendation that permits the greatest tactical flexibility B) Go with the recommendation that is the simplest to implement C) Take no action until an authoritative opinion is available D) Take the most conservative recommended course of action - Answer D) Take the most conservative recommended course of action Which weather factor is the most important in a hazardous materials release? A) Wind direction B) Temperature C) Relative humidity D) Precipitation - Answer A) Wind direction Which course of action is appropriate when a spilled material cannot be identified? A) Cover the material and await the arrival of additional resources B) Take conservative defensive measures C) Proceed as you would for a known substance D) Use dispersal/dilution tactics - Answer B) Take conservative defensive measures Which term best describes the level of protection that structural firefighting PPE provides at a hazardous materials incident?
