Hazardous Materials Management System Practice Test

These questions are part of the practice quiz. Start practicing

• When examining the scene of an explosion, which finding would indicate that high-order explosive materials were involved?
• The primary purpose of the critique process is to develop recommendations for improving responder safety.
• When using defensive tactics in response to a flammable liquid emergency, what is the priority?
• In a hazardous materials response, who is responsible for direct rescue operations in the hot zone?
• Which filter type should be chosen when a particulate filter must be used across multiple shifts in an oil particle contaminated scene?
• Which observation would indicate the involvement of high-order explosives at a blast site?
• Which statement describes the flow rate capability of safety showers with special deluge heads?
• Limited-scale cleanup aims to do what?
• During a chemical fire at a warehouse, if your partner reports an air supply problem, what should you do?
• In the incident command organization, which individual is responsible for gathering, verifying, and disseminating accurate information on an incident for the public?
• Specific gravity, flash point, exposure values, and vapor density are all examples of:
• In MOTEL, which factor describes altering the location of the next event?
• Degradation would be indicated for protective clothing if which observation is noted?
• Which type of ionizing radiation can be stopped by a layer of human skin?
• In containment operations, the key action is to stop the release at the source by direct intervention within which zone?
• In hazmat incident planning, what does the incident action plan determine?
• Which release event type ranges from several seconds to minutes and allows responders time to reach a safe location or develop countermeasures?
• Direct-reading instruments are not designed to measure airborne concentrations below what value?
• Which of the following types of chemical agents are the most toxic of the known chemical agents?
• An exposure that exceeds the IDLH threshold is most likely to cause:
• When using the equalize pressure and pump the liquid method of liquid product transfer, what should be done first?
• When there is uncertainty about incident needs, which action is recommended regarding protective equipment?
• Which action is recommended when a parked emergency vehicle is exposed to ultra-high chlorine concentrations?
• Planning and execution of a technical rescue would likely be necessary when victims exposed to the hazardous material:
• The DOT hazard classes are divided into how many divisions?
• The statement 'The electrostatic attraction and chemical bonding of oppositely charged particles is known as Covalent Bonding' is true.
• Hazmat incident response begins when:
• Fire entry suits are not effective for rescue operations in which environment?
• Which approach best characterizes how command should be established during hazmat response?
• The Eight Step Process© should be seen as a flexible guideline, not a rigid rule.
• What is one of the goals of the information management and resource coordination step in the Eight Step Process©?
• Best practice when conducting degradation tests of clothing samples?
• Toxicity is defined as which of the following?
• Barriers built on the ground or placed in a waterway to intentionally control the movement of a hazmat into an area where it will be less harmful to the community and the environment is an example of:
• When cleaning a fire hose after a decontamination operation, you should:
• What is the correct guideline for eating and drinking for responders after decontamination?
• Which option lists the role that is described as 'Assistant Safety Officer - hazmat/entry/decontamination/site access/hazmat reference/science'?
• Which individuals are most likely to analyze hazardous materials incidents and select decontamination procedures?
• Which confinement tactic is intended to be more permanent and may require resources such as portable basins or bladder bags constructed of chemically resistant materials?
• Which of the following substances is known to be flammable?
• Which of the following is an effect of exposure above the immediately dangerous to life or health (IDLH) level?
• What is a limitation of chemical vapor suits?
• Which statement correctly describes the section of the emergency response plan that outlines the overall concept and strategy for safeguarding the population?
• Which will bring consistency to the tactical operation in every incident and response?
• A burn rate of 21,000 feet per second is associated with shrapnel moving outward at approximately how many feet per second?
• Which of the following is an example of a tactic that could be done at the scene of a hazardous materials spill?
• Which explosive compound can be a mixture of ammonium nitrate and fuel oil?
• What instrument would help classify and identify an unknown toxic product that emits a vapor or gas?
• Alpha particles are mainly hazardous when they are in which form?
• Assume that you have an IDLH atmosphere and no secondary emergency air supply. Which respiratory protection option should you select?
• The information management and resource coordination step can be effectively accomplished when:
• Many chemical-protective clothing materials degrade when exposed to sunlight or heat exceeding which temperature?
• The statement that knowing the chemical properties of a substance helps responders understand how the material may harm people and the environment is:
• What document would a fixed facility owner produce to outline its hazards and notification contingencies?
• Which of the following is true regarding physical methods of decontamination?
• Which section coordinates the requirements through the overall command structure and gets the needed resources to the incident scene?
• Which explosive is a mixture of ammonium nitrate and fuel oil?
• Which three phases should the incident commander use to analyze and visualize events at the emergency scene?
• Which statement best describes a physical property?
• If contact is made with a contaminant, you should initially move contaminated personnel to a safe refuge area in the:
• Which of the following is one of the eight basic tactical-level functions that must be evaluated in hazmat emergencies?
• Who is responsible for coordinating post-incident analysis to ensure access to information and cooperation with investigations?
• Approximately how many minutes should you allow for an oxygen sensor to warm up before taking a reading?
• According to the National Institute of Chemical Studies, protection-in-place should be chosen in which scenario?
• Class 4.3 materials are defined as:
• Upon arriving on the scene of a hazardous materials incident, you notice that the staircase has damaged handrails and uneven steps. Based on this observation, you would categorize this as a:
• Which tool could be used to assess the corrosivity of a hazardous material?
• HHFT stands for which designation in hazmat transportation?
• Which statement best describes the primary objective during initial hazmat response?
• If only defensive operations are needed when responding to a radioactive materials incident, responder dose should not need management beyond which value?
• Anhydrous ammonia mixed with water forms a strong caustic liquid. With which substance does this reaction occur?
• An incident commander assigns tasks based on equipment and responder capabilities. This illustrates which management concept?
• The law enforcement commander approaches you and says that one of the SWAT entry team members is starting to exhibit signs and symptoms similar to the second perpetrator who is in custody. What is your first question going to be?
• Which task should be evaluated and/or implemented EXCEPT?
• After initial decontamination, which step is recommended for a vehicle exposed to smoke?
• Which of the following is an example of an offensive mode or tactic?
• When examining intermodal portable tank markings, which marks would you look at to determine the standards to which the portable tank was built?
• In the hazmat group, resources are coordinated by the:
• When using the health hazard equation, exposure is added to which factor?
• Which factor is important when managing information and coordinating resources at an incident?
• For air-purifying respirators to function optimally, oxygen levels must be between:
• Identify four tactical options that can be used to buy time during tactical decision-making.
• Approximately how many gallons spilled on the ground in the scenario?
• Which hazardous materials rescue operations team is assigned by the incident commander to perform duties in the hot zone?
• Which standard is most associated with responders handling hazmat or Weapons of Mass Destruction scenarios?
• Which tactical action involves placing a physical barrier between the hazmat, its container, and surrounding exposures to buy time?
• Hazardous materials are commonly referred to as 'dangerous goods' when they involve which type of transportation?
• The main purpose of establishing hazard control zones within the isolation perimeter is to provide:
• When evaluating tank damage severity at the scene, which part of the tank is most vulnerable to heat damage?
• Which reference would be most appropriate specifically for chemical and biological threat incidents?
• During hazard assessment in a risk management program, the facility would be required to:
• When responding to a call for an overturned tractor trailer, you learn that the truck is carrying aerosol cans of paint. You should:
• As resources from external agencies arrive at the scene of a hazardous materials incident, leaders and agency representatives should be directed to the:
• What is essential for making informed decisions about how to protect yourself and the community?
• Which statement best describes neutron particles in terms of hazard?
• Which statement best describes Level A incident protective action?
• Which factor would influence the level of risk by considering the dispersion rate?
• Which unit is used to express the TLV/TWA for chlorine in the given material?
• Which type of ionizing radiation can be stopped by a layer of human skin?
• In an incident action plan, what do tactics describe?
• Which substance is an example of a choking agent?
• What is the primary purpose of collecting hazard data and information at a hazmat incident?
• What is the process by which people and equipment are subjected to, or come in contact with, a hazardous material?
• Which factor most directly explains why two individuals might experience different health effects when exposed to the same chemical, focusing on the exposure path?
• In hazardous materials response, which statement best describes defensive-mode strategies?
• Carcinogens: which statement is true regarding exposure?
• Which type of class B foam is fluorine-free?
• When emergency responders can visualize what has already happened and what is happening now, they are likely to do what?
• Which standards and regulations can assist a agency in developing hazardous materials emergency planning and response policies and procedures?
• When parking the emergency vehicle at the scene of a hazardous materials incident, you are informed of ultra-high concentrations of chlorine. You should:
• Which statement best describes a characteristic of the Eight Step Process as a management system for hazmat incidents?
• How often should bump tests be performed on photoionization detectors?
• Where should arriving external agencies' leaders and representatives be directed for coordination?
• Using vapor dispersion tactics such as water spray systems to reduce the size of an event is an example of which component of the MOTEL acronym?
• In a hazardous materials operation, who bears responsibility for site safety?
• Which measurement is an example of reflecting parts per million?
• Who is most likely to be the decision-makers when developing strategies during hazmat incidents?
• Which statement best describes a public protective action during hazmat incidents?
• Which technique used by the incident commander during stressful situations involves paying attention to body posture, gestures, and mannerisms?
• Which statement best describes why decontamination should proceed from the dirty area toward the clean area?
• Which phase focuses on closing tasks and finalizing incident records?
• When responding to an incident involving large numbers of contaminated or potentially contaminated people, you should expect which of the following ratios of unaffected to affected casualties?
• When visualizing an incident as a sequence of events, the incident commander should identify present events to
• When developing an evacuation plan, most of the population will be located at which location for the largest percentage of time?
• Which main function assigned to members of a hazardous materials group would be responsible for establishing hazard control zones and ensuring contaminants are not spread?
• Which component of the hazardous materials management system is the first and most critical element of the system?
• Which organizational level of the incident action plan involves the general course of action, direction, or plan to accomplish the incident objectives?
• A derailed railcar marking with an orange/red stripe signifies the potential hazard of which chemical?
• A nonpressure railroad tank car may have up to six compartments. What is the practical purpose of having multiple compartments?
• The speed and extent of a hazardous material's action is directly proportional to which two factors?
• What are the three main tasks of hazard assessment and risk evaluation?
• What is the purpose of an Incident Action Plan in hazmat incidents?
• Which approach helps ensure that lessons learned are applied to improve future responses?
• Which four sections comprise the general command staff of the Incident Command System?
• When using a pH meter to assess the corrosiveness of a hazard material on the scene of an incident, what should you do before and after each use?
• A responder on your team claims that they are thirsty. What instructions should you provide to the responder?
• When using combination meters that monitor oxygen plus another hazard, which hazard is typically monitored at the same time?
• When responding to a call for a derailed train carrying flammable liquids, you are appointed as the decontamination leader. When choosing the location for a decontamination site, you should choose a site that is:
• Teratogens are defined as materials that
• Which of the following describes the physical destruction or decomposition of a clothing material due to exposure?
• The statement 'The electrostatic attraction and chemical bonding of oppositely charged particles is known as Covalent Bonding' is true.
• When prioritizing decontamination operations during a mass casualty event, you should wash victims who have been exposed to chemical warfare agents for how many minutes?
• Which body is responsible for developing a hazard/threat analysis of hazmat facilities along transportation corridors within the community?
• Which statement is true of containment operations?
• Which of the following statements correctly describes Charles's Law?
• Using a chemical dispersant to disperse or break up the material involved in liquid spills in water is called:
• The electrostatic attraction and chemical bonding of oppositely charged particles is known as
• Hazardous materials technicians differ from awareness-level responders in that they:
• Cracks in the container shell of a derailed railroad tank car can be caused by:
• When developing an isolation perimeter for an outdoor scenario, what should you do first?
• If you suspect you have a sick building, you should always conduct a test for:
• Vapor pressure is defined as:
• In the event of a mayday at a hazmat incident scene, which action is critical?
• Which term best describes irreversible damage to fabric due to exposure, affecting its integrity?
• If vapor is diffusing upward from the surface of a breached container, the substance is most likely which state?
• A hazardous material would be considered controlled if:
• NFPA 470 addresses hazardous materials and weapons of mass destruction for which group?
• Which of the following is a structured, collaborative process used to identify the lessons learned from a response?
• If solid samples are too large, which tool is used to break them into pieces?
• Which tool is appropriate for collecting a liquid sample from a puddle during field sampling?
• Degradation testing should use which condition of samples to ensure accurate results?
• Which public exposure guideline is available for more than 3,000 chemicals?
• Which radiation type is described as a whole-body hazard?
• What are the four basic groups of information sources that should be immediately accessible from an incident?
• Which action is appropriate when ending the emergency response phase but restoration work continues?
• When using ambient temperature to determine the internal pressure of a pressurized tank container, the contents’ temperature may lag ambient temperatures by up to how many hours?
• When evaluating flammable liquids on the scene of a hazardous materials incident, it is important to remember that:
• Which method is most likely used to provide after-the-fact information about decontamination effectiveness?
• Which of the following is true of decontamination corridors?
• Who writes the facility emergency response plan that outlines hazards and alerting contingencies?
• Upon arriving at a hazmat scene where a yellowish vapor cloud is emanating, what should you precede your radio transmission with?
• After turning on a multi-gas meter with electrochemical sensors, how long should you let the unit warm up before verifying status?
• Which two factors are combined in the health hazard equation?
• The hazardous materials group is normally under the command of a(n):
• In the hazmat emergency planning process, what is the next step after determining that a plan is needed?
• What practice is necessary to maximize response effectiveness during a hazmat incident?
• The reliability of the information used in decision making depends on the quality of which component that is used to compile the information?
• In hazardous materials incident management, which statement describes the assisting agency?
• When collecting video recordings made by the media for a post-incident analysis, you should obtain the video within how many hours of the incident?
• What is the primary purpose of hazard/threat analysis conducted by the Local Emergency Planning Committee?
• Which oxidizer would you suspect to find at a fertilizer production plant?
• Which command structure is used when multiple agencies or organizations may have jurisdiction for hazmat incidents?
• When a mayday is declared at a hazmat scene, responders should first:
• Which of the following is true of site safety during a hazardous materials operation?
• During a debriefing, which topic should you cover first?
• In hazard monitoring, which hazard is typically evaluated alongside oxygen to assess flammability risk?
• The hazardous materials recognition and identification process starts when emergency responders:
• What elements are included in incident facts?
• Which publicly available electronic resource is the most widely used computer-based software tool for hazardous materials responders?
• What is the major advantage of using neutralization to contain a hazardous material?
• A pure substance that cannot be broken down into simpler substances by chemical means is known as a(n):
• Which of the following is true of hazardous materials response teams?
• Emergency responders may be asked to support evidence recovery during which phase of scene management?
• Which of the following methods is a chemical method of decontamination?
• Which statement best describes the purpose of the rehabilitation area in a hazardous materials incident?
• When there is no IDLH value available for a toxic atmosphere, which estimate should be used?
• Which liability risk factor is demonstrated by failing to evaluate alternative response options and their potential outcomes?
• When removing a product from a container, it is important to ensure that the loss be replaced by a(n):
• Defensive tactics in hazardous materials incidents primarily aim to:
• Supply resources differ from equipment resources in that supply resources are:
• During field screening, identification of which materials could indicate the production or attempted production of triacetone triperoxide?
• If a contractor still requires emergency response resources to deal with hazards, you should still be in the:
• Which tool could be used to assess the corrosivity of a hazard?
• A hazardous material at the scene of a factory incident is identified as phosgene oxime. Based on this identification, victims are most likely to exhibit which symptom?
• The acceptable oxygen range for optimizing air-purifying and powered air-purifying respirators is:
• Toxicity is defined as?
• Who assigns the hazardous materials rescue operations team to perform duties in the hot zone?
• Which decontamination method plays an important role in decontaminating medical equipment, but cannot be used to decontaminate personnel?
• What is the purpose of positive- and negative-pressure atmosphere systems in decontamination operations?
• Upon arriving and seeing a vapor cloud, with suspicion of a specific material, you should:
• The law enforcement commander states that they have found a substance that is labeled Paraoxon. You look it up in your reference library and find it is toxic at 14 mg/kg. What does this information tell you about potential hazards present?
• In a flammable atmosphere test within a hazard control zone, concentrations above what percent of the lower explosive limit are hazardous?
• A train would be considered HHFT if it contains at least how many tank cars in total?
• In the described MC-307/DOT-407 cargo tank rollover, what type of stress appears to have impacted the tank?
• Which of the following is true of ammonium permanganate?
• Which zone is designated for the most severely contaminated area during an incident?
• Which task would be assigned to a hazardous materials group member designated to the entry and backup function?
• In the General Hazardous Materials Behavior Model, which event are you currently in during an engulfment scenario?
• A first responder at the operations level would be expected to perform which duty?
• Which resource is the most widely used computer-based tool for hazmat responders?
• Which type of agency or organization provides personnel, services, and tactical resources to the agency with direct responsibility for incident management?
• Which document would you consult at the scene to determine available emergency response resources for a facility?
• During which step of the Eight Step Process would you develop an incident action plan (IAP)?
• Which statement about regulations is true?
• Prior to assembling a site safety and control plan for a complicated incident, you must first gain an understanding of the:
• The difference between a calibrated meter response and a response from a product to which the meter is not calibrated is called what?
• Protection-in-place may be chosen when a toxic release poses what kind of dispersion pattern?
• What is the primary benefit of conducting a critique process properly?
• Facility documents are available to assist with:
• When oil particles are present on the scene of a hazardous materials incident and a particulate filter will be used for more than one work shift, which type of particulate filter should you select?
• Where do the majority of hazardous material releases typically occur?
• A pure substance that cannot be decomposed by chemical means is called what?
• Which statement best describes the purpose of decontamination procedures?
• Under Section 103 of CERCLA, a responsible party must report any spill or release of a specified hazardous substance to which agency?
• Which hazard analysis component relies on reviewing the history of incidents within the facility or industry?
• In hazmat emergency planning, which task involves assembling individuals who will contribute to the plan?
• Which exposure guideline should you use to achieve a safe environment for responders to work in?
• One of the primary objectives of hazard assessment and risk evaluation is to determine:
• Hazards refer to which properties of a material?
• Which command structure is used for hazmat incidents with multiple agencies involved?
• Which position is primarily responsible for public communications during a hazardous materials incident?
• Planning and execution of a technical rescue would be necessary when victims exposed to hazmat:
• How are voluntary consensus standards different from government regulations?
• Which of the following would be part of the pre-employment screening component of a medical surveillance program?
• In hazmat response, what is the purpose of a staging area?
• Regarding dispatch information, what role does it play in shaping initial actions?
• An agency with environmental specialists and contractors is called to the scene of a train derailment. Because the responding agency is an assisting agency, they will initially be coordinated through the:
• When should information management begin to ensure an accurate common operating picture?
• Air-purifying respirators are commonly used in which setting?
• What is the best location for the decontamination area in a hazardous materials incident?
• Which term best describes the removal or reduction of contamination to safe levels in a person, object, or area?
• Division 6.1 includes toxicity for which routes?
• What is the primary purpose of public protective actions during hazmat incidents?
• Colorimetric tubes are commonly used to sample for specific substances in the field. Which best describes their intended use?
• During which phase are incident response operations formally documented?
• A train carrying liquid petroleum oil would be considered a high-hazard flammable train if it has at least how many tank cars?
• Cone roof tanks at petroleum storage facilities will primarily store which materials?
• In decontamination zone planning, which feature serves as a buffer between the hot zone and the cold zone?
• Which action would you take first when arriving at a derailed railcar carrying hazardous materials, according to the guidance described?
• Which statement is true of confinement tactics?
• Charles's Law states that
• Which hazardous material identification method poses the greatest risk to emergency responders?
• The staging area is the place where:
• To activate oxidizer test paper strips when testing an unknown substance, what should you apply?
• Which hazard analysis method is most commonly used in the petroleum and chemical industries?
• When responding to hazardous materials incidents, you can downgrade respiratory protection from air-supplied to air-purifying respirators when which is true?
• What should happen if the incident commander is unsure or uncomfortable with any part of the incident action plan?
• Elements of incident potential can include which?
• Which statement best describes a primary feature of the Eight Step Process in hazmat incident management?
• Which concept best underpins the effective retrieval of hazmat information in emergencies?
• Protection-in-place may be an effective public protective option for which of the following types of situations?
• If air supply becomes compromised during a hazmat response, what is the immediate action to take?
• The communication of Type A packaging identifies which hazard?
• Which of the following is defined as a material's ability to harm biological tissue?
• If an activity fails to adapt during the reactive stage of the Hazardous Materials Emergency Model, what occurs next?
• In the hazards analysis, the risk analysis component is true because it:
• When managing preplans, which of the following must be applied in how preplan information is stored and how access to the information is controlled?
• What is the role of an incident command post in hazmat response?
• Which shelter-in-place recommendation was influenced by the Jack Rabbit II project?
• Which of the following strategies can be used to ensure that information flows in a reliable and timely manner to the rest of the incident command system?
• What is the role of first responding units in the Eight Step Process?
• The ability to recognize hazmat involvement on the scene starts with the quantity and quality of information from the:
• When sampling for chemical warfare agents at a suspected terrorist incident, you should be aware of what potential issue?
• In evaluating possible leak control strategies, which tactics would require responders to enter the box trailer to assess and control the problem?
• For a 168-pound person, an LD50 of 0.5 mg/kg corresponds to approximately how many milligrams?
• Not considering alternative response options and potential outcomes is an example of which liability risk factor in emergency response work?
• What is most likely to cause a data-related mistake at a hazardous materials emergency?
• The specification mark on an intermodal portable tank serves what purpose?
• In field screening for potential triacetone triperoxide indicators, which pair of chemicals is commonly checked?
• When collecting a liquid sample, what should you do to ensure that the sample can be decontaminated before leaving the hot zone?
• Which option best represents the core listed responsibility of the hazmat group?
• Division 3.2 corresponds to flash points of which range?
• A White-I label on a package indicates the transport index should be less than what?
• After a critique, it is important that any lessons learned are incorporated into a(n):
• During a flammable liquid incident, what is the purpose of applying cooling water to critical support structures?
• If an adequate water and foam supply are not available for protecting exposures and controlling the fire, the incident commander should consider:
• Which statement best describes the sharing of vulnerabilities during an AAR?
• Which of the following is an aromatic hydrocarbon?
• Which term is used in EPA 40 CFR 355 to classify hazardous materials found in fixed facilities based on their toxicities and physical/chemical properties?
• Why is it important to evaluate a responder's prescription medications as part of medical surveillance examinations?
• Information related to vulnerabilities and weaknesses of your emergency response system should be regularly shared with:
• Which is a sign or symptom of heat stroke?
• Which statement is true about using a reference source at the scene?
• Which division is designated for poison gases / toxic gases?
• Which release event type is defined by a release rate of less than 0.01 seconds and leaves responders no time to react?
• What is essential to have at every type of hazardous materials incident?
• For large-scale emergency events, which individual would be most likely to play a policy and coordination role or may delegate this responsibility to an emergency manager?
• What is considered best practice when sampling at a suspected criminal incident involving hazardous materials or weapons of mass destruction?
• Which tactic is used to contain a leaking drum by absorbing spilled liquid?
• Responders should access which resource as needed during hazmat incidents?
• Direct contamination typically occurs:
• What is the role of personnel assigned to the operations section?
• What is the lethal dose of a hazardous material with an LD50 of 0.5 mg/kg for a 168-pound person?
• When facilitating the critique process, you should ensure that the critique lasts no longer than:
• Which statement best defines a chemical property?
• When looking at agricultural chemicals and pesticide labels, which marking is located in the center of the front label panel and is one of the most important label markings?
• Which statement best describes hazards in hazardous materials management?
• The information management step in the Eight Step Process is designed to do which of the following with data during an emergency?
• Which of the following tarp sizes would be acceptable for organizing the decontamination area?
• Which detector technology is the cornerstone of risk-based response?
• Dilution tactics for confining a spill of liquid and solid corrosives should be used when?
• A responder exposed to a single dose of hydrogen cyanide at a hazmat incident would be categorized as which type of exposure?
• Which statement is true about hazards?
• Sterilization is primarily used for decontaminating which, and cannot be used to decontaminate personnel?
• What action item should be developed based on the risk evaluation to guide incident management?
• Which combination lists all three common elements that increase difficulty in technical rescue operations?
• Termination is the phase where responders:
• Which statement about liquids at hazardous materials scenes is true?
• What section of the emergency response plan would cover the overall concept and strategy for safeguarding the population in the event of an emergency?
• Which route of exposure is the most common and often the most damaging?
• Which of the following is true of the entry team?
• A train with a continuous block of how many flammable liquid tank cars would be identified as a high-hazard flammable train (HHFT)?
• Which type of protective clothing is designed to protect against steam, hot water, and hot particles?
• Vapor density is an important physical property for evaluating exposure and determining:
• Air-purifying respirators are commonly used:
• When developing a PPE program, you should base the selection and purchase of PPE on?
• Which category of resources represents the greatest exposure for the incident commander?
• Within the first hour of hazmat response, a critical success factor is:
• In an incident action plan, what do strategies primarily define?
• In the chain of incident management, which role provides external resources to support the lead agency?
• Which of the following is true of high acute toxicity contaminants, such as nitric acid or sulfur trioxide?
• Which speed conversion is correct for 6,402 meters per second in feet per second?
• Which of the following is a chemical property?
• Excepted packaging is used for shipments described as:
• What is the recommended approach when responding to hazardous materials incidents involving sodium or potassium?
• Which of the following describes the proper flow direction during decontamination procedures?
• Which statement describes chemical properties?
• Which software tool is commonly used by hazmat responders for managing emergency operations?
• A majority of hazardous material releases occur in which setting?
• Which label indicates the rate of disintegration or decay of a radioactive material?
• Wearing chemical-protective clothing (CPC) is recommended for a maximum work time of
• If there is no immediately dangerous to life or health (IDLH) value for a toxic atmosphere, which estimation should responders use?
• The internal pressure of a pressurized tank may lag ambient temperature by up to how many hours?
• What is the goal of limited-scale clean-up operations after decontamination?
• Fourier-transform infrared spectrometry would be used to:
• Division 3.1 corresponds to which flash point range?
• Containment operations are characterized by actions that
• If the hazardous materials incident deteriorates rapidly, locations within how many feet may be contaminated?
• Which section would cover the overall concept and strategy for safeguarding the population in an emergency?
• Why is it critical to enforce isolation perimeter security and hazard control zones?
• Which guidebook would be most helpful when responding to incidents involving chemical and biological weapons and agents?
• After responding to an incident, personnel who were contaminated during the response would be isolated in which location within the hot zone until decontamination can be achieved?
• Which chemical is detectable with a 10.6 eV lamp?
• Upon arriving at a hazmat scene where the material is a hydrocarbon-liquid and the spill is less than 55 gallons, which confinement tactic should you use to control the spill?
• During a reconnaissance mission to establish hazard zones, which of the following ensembles would you expect responders to wear?
• On agricultural chemical labels, which marking in the center of the front label panel is considered among the most important?
• Which sequence correctly orders the four types of release events from fastest to slowest release rate?
• Which code governs regulatory reporting requirements for the discharge of oil?
• In complex incidents with major fires, which factors most influence the size of the engulfed area?
• Fourier-transform infrared spectrometry is used to measure what property of a sample?
• Which hazardous materials commodity caused the highest number of high-impact casualties from 2010 to 2014?
• When dealing with a potential inhalation hazard after responding to a fire, you should use air-supplied respirators until:
• When performing initial air monitoring at the scene of a hazardous materials incident, what is the recommended team configuration?
• If a vehicle transporting radioactive materials uses excepted packaging, you would expect that the shipment consists of:
• Which division corresponds to a flash point of 0°F (−18°C) and above?
• Trapped vapors are most likely to build up in which locations?
• When responding to hazmat incidents, the first 10 minutes of the incident determines operations for the next:
• For a 4-hour release in a house, air in the house will be replaced how many times during the event?
• Which statement is NOT true regarding best practices during decontamination?
• Which of the following is a category of hazard data and information sources?
• The hazard and risk evaluation step of the Eight Step Process involves which activity?
• To be able to use a reference source effectively at the scene of an incident, you must:
• Which team is trained to perform rescue duties inside the hot zone during a hazardous materials incident?
• In hazmat incident management, what is the purpose of establishing an incident command post (ICP)?
• Temporarily containing a liquid in an area where it can be absorbed, neutralized, or picked up for proper disposal is an example of:
• Public protective actions can include initiating protection-in-place, evacuation, or a combination of both public protective actions.
• The burn rate of 21,000 feet per second corresponds to approximately how many meters per second?
• Which protective equipment would first responders use for a reconnaissance mission to initially establish the hazard control zones?
• Which of the following lists six strategies that can influence hazmat incident outcomes?
• What step is essential to make informed protective decisions during a hazardous materials incident?
• Which organization is associated with the hazmat response philosophy that emphasizes basic hazmat response concepts?
• For the second rail car identified, what is the container construction material and its test pressure?
• Hazardous materials medical unit personnel should be located in which area?
• When extinguishing a fire at a metals processing facility, the presence of which material might cause unusual hazards due to its water reactivity?
• What is the TLV/TWA of chlorine?
• Which division is primarily associated with infectious substances used in healthcare products and forensic materials?
• Emergency decontamination is the:
• Which protective clothing provides chemical vapor protection?
• Which statement best describes the benefit of a unified ICS in a multi-agency hazmat response?
• The Oil Pollution Act of 1990 requires agencies and companies to undertake which of the following?
• Which property helps determine where gases and vapors will travel?
• What is the most effective method to evaluate risks at a hazardous materials incident scene?
• Under CERCLA Section 103, to which agency must the responsible party report a hazardous substance release?
• The controlled relocation of people from an area of known danger or unacceptable risk to a safer area is known as:
• Shipping papers are required to accompany each:
• Which component of the hazards analysis program is based on reviewing the history of incidents within the facility or industry?
• Your plan states that a crowd control line surrounding the hazard control zones is critical in protecting bystanders. Which term best describes this requirement?
• What is the primary purpose of the critique process?
• When a chemical-protective clothing test shows no breakthrough at 8 hours, how is the breakthrough time described?
• Which release event type involves release rates from 0.01 to 1 second and is often associated with runaway linear cracking and over-pressurizing of closed containers?
• When developing safety procedures for using protective clothing at hazardous materials incidents, decontamination should be established prior to which step?
• What is the most important factor in eliminating radioactive material contamination problems?
• Which statement best describes a baseline monitoring component of medical surveillance?
• Which of the following describes the operational considerations for this incident?
• Which term describes a confinement tactic intended to be more permanent and relies on chemically resistant materials?
• When responding to a major derailment involving hazmat containers, responders should:
• In crew resource management, what is the first and most important step in problem solving?
• When conducting a debriefing after an incident, you should ensure that the debriefing lasts less than:
• Which step ensures that safety procedures are included in all tactical briefings?
• It is critical that information management begins at which point in time?
• When responding to a hazardous materials incident with injured victims, it is necessary to provide medical treatment within how many minutes of the incident?
• When faced with injuries or exposures to poisonous or toxic products, you should:
• Which zone is designated as the area with the highest level of contamination during an incident?
• Upon arriving at a hazardous materials field site, which action is advised as the initial step?
• To minimize your political vulnerability during or after a hazardous materials event, you should:
• What is the priority when responding to a hazardous materials incident?
• Which type of information source is written by the owner or operator of a fixed facility and outlines the specific hazards found in the facility and the contingencies for alerting and notification?
• What term best describes a location within the hot zone where contaminated personnel are held until decontamination?
• If resources will not be needed for a while, the incident commander should consider:
• When calculating work mission duration, you should assume that a minimum of how many minutes will be required for decontamination procedures?
• What is the difference between AAR 103 and DOT 111 tank cars?
• Which statement best distinguishes a physical property from a chemical property?
• When assembling a solid sampling kit, which item should be included?
• When developing an after-action report (AAR), how can you use discretion when sharing lessons learned and areas of growth?
• According to NFPA 470, emergency responses to terrorist or criminal hazmat incidents are based on what?
• Who informs you that you can remove the respirator at a hazardous materials incident?
• Covalent bonding is the force holding atoms together by sharing electrons.
• Direct-reading instruments are not designed to measure airborne concentrations below what value?
• What is a common challenge when using detection or monitoring devices in the field?
• Selection of personal protective clothing and equipment should be based on results from the:
• During technical decontamination, at which stage is most of the contaminant removed?
• A pump test should be performed prior to using which type of equipment?
• What is the purpose of establishing inner and outer perimeters (hot zone and cold zone) at a hazmat incident?
• What is the primary purpose of the crowd control line surrounding hazard control zones?
• Which step in the Eight Step Process is primarily focused on evaluating hazards and risks to determine the appropriate response actions?
• Which of the following is true of structural firefighting clothing?
• Which foam type is fluorine-free and used for Class B fires?
• Which function and related tasks refer to the effective management, coordination, and dissemination of all pertinent data, information, and resources?
• Which of the following is true of supply resources in the context of hazardous materials incidents?
• Most injuries and deaths to emergency responders on the scene of hazardous materials incidents can be attributed to:
• When should debriefings take place?
• Which statement about the atmosphere control systems is false?
• Which step is the foundation of the size-up/analysis process?
• During the group-level critique, the facilitator would:
• Which statement best describes the coordinator's relation to investigations?
• In the technical decontamination sequence, which action is performed first?
• Knowing the chemical properties of a substance can help responders understand how material will behave inside a container that has been dropped.
• Which of the following is an example of a chemical property?
• It would be necessary to schedule a medical exam or consultation for a first responder when they:
• Which process do responders use to analyze a problem and assess potential outcomes?
• Which is NOT listed as a category of hazard data and information sources?
• Which statement about transferring command at termination is most accurate?
• During field screening, what should you do first?
• Which detector technology is used to monitor radiation levels at a hazmat scene?
• Chemical properties are defined as
• Which colorimetric tube may be used when sampling a suspected nerve agent?
• During post-entry medical monitoring, how often should vital signs be checked when signs of heat stress are present?
• Which role is listed as a main position under the hazmat group?
• Which of the following statements about the incident action plan is true?
• Which term describes the electrostatic attraction and chemical bonding of oppositely charged particles?
• Which statement best describes the purpose of the Transport index in radioactive shipments?
• Which of the following is NOT one of the eight basic tactical-level hazmat functions?
• Polar solvents are described as:
• Which factor determines the rate at which a hazardous material acts?
• Which statement is true about the order of topics in a debriefing?
• If no breakthrough is detected at the 8-hour mark, the reported breakthrough time is:
• Class 4.2 materials are defined as:
• In which response scenario would a closed-circuit self-contained breathing apparatus most likely be selected?
• What device provides an independent air supply for breathing in hazardous atmospheres?
• Upon approaching the scene of a hazardous materials incident, you notice multiple unconscious victims at the scene. What is the minimum level of respiratory protection that you will need prior to providing initial emergency response operations?
• Which statement best explains a common difficulty with interpreting field monitoring instrument readings?
• What is the identifying placard number displayed on the overturned cargo tank truck?
• When evaluating a damaged tank, which zone is most relevant for assessing heat damage?
• Which material is recommended for gloves when exposure to petroleum solvents is expected?
• When dealing with liquefied petroleum gas containers, which type of patch should be used?
• Gross decontamination is most likely to come from fixed or portable showers.
• What flow rate can safety showers with special deluge heads deliver?
• PPE program selection should be based on?
• Division 3.3 covers flash point in which range?
• Which emergency alerting system would you use if you want to reach the maximum number of people in the shortest amount of time?
• Which instrument would be the most appropriate choice to assess this situation at a hazmat scene with unknown vapors?
• Which substance is known to ignite or explode in contact with some materials?
• When corrosive spills are being neutralized, where should the neutralizing material be applied?
• During your initial approach to the incident scene, what is the first action in site management and control?
• If solid chunks are too large to fit into the sampling container during a hazardous materials incident, what is the recommended action?
• Which container type is used to store cryogenic liquids like liquid nitrogen or liquid hydrogen?
• What is the downside of after-action reports (AARs)?
• Which term best describes a hazardous material that remains on surfaces or people and continues to pose risk outside the initial incident zone?
• In a debriefing, which topic should be addressed first?
• If a radiation reading matches the package's transport index, what does that indicate about containment?
• When filling out the ICS 208 form (Site Safety and Control Plan), what information should you include in the materials section?
• Which of the following best describes a chemical property?
• The nine Department of Transportation (DOT) hazard classes are divided into how many divisions?
• During which activity is the need for the critical incident stress debriefing assessed?
• Which of the following best describes a physical property?
• In a flammable atmosphere hazard assessment, concentrations above which percent of LEL are considered hazardous?
• What is considered best practice when determining approach and positioning of personnel at a hazardous materials incident?
• Which calculation is used in most chemical compatibility charts to evaluate permeation resistance and breakthrough times?
• PPE selection for responders is determined by the results of which evaluation process?
• What is the recommended minimum staffing for initial air monitoring at an incident?
• Which instrument would be most appropriate to assess organic vapors in the air at a hazmat scene?
• What is the minimum size of a pre-sized tarp used to organize the decontamination area?
• Vapor pressure is the:
• What is the major focus of site management?
• A 10.6 eV lamp could be used to detect which chemical?
• Which activity would occur during the information management and resource coordination step of the Eight Step Process©?
• What is the likely outcome when responders visualize past and current incident conditions?
• Which substance is a choking agent?
• Which specification would be given to a nonpressure intermodal tank container used for storing liquid and solid hazardous materials?
• When responding to a hazardous materials incident at a facility that stores animal fats, you consult the facility emergency response plan at the scene. What information would you expect to learn from the document?
• Hazardous substances include substances designated by which law as posing a threat to waterways and the environment when released?
• When decontaminating a K-9 assigned to search and rescue, which practice is best?
• What is an atom?
• Which action aligns with effective information management and resource coordination, including interaction with external agencies?
• The rehabilitation area developed after an incident should meet which parameter?
• Which group of people at a hazardous materials incident can enter the hot zone?
• To activate oxidizer test paper strips for testing an unknown substance, what should you apply?
• Baseline monitoring is part of which medical surveillance activity?
• Which describes the maximum radiation level in millirems per hour at 1 meter from an undamaged package labeled Radioactive Yellow-II and III?
• When responding to hazardous materials incidents at water treatment plants, you are most likely to identify which material at the scene?
• What do the first three letters on two rail cars typically indicate?
• The construction of a barrier across a waterway to stop product flow and collect contamination is best described as which technique?
• In derailment scenarios, which mental model is recommended for anticipating the consequences of hazmat containers?
• Decontamination must be which type of process?
• Hazard assessment involves identification and evaluation of hazards, including the collection, interpretation, and management of hazard and response information. Which option best reflects this definition?
• You are assigned to the decontamination team at the scene of a hazardous materials incident. In this role, you should:
• Steel drums can be used to store which of the following?
• What is the best way for emergency responders to ensure the standard of care over time?
• Division 4.3 covers materials widely shipped as which descriptor?
• Which container type could be used to store liquid nitrogen or liquid hydrogen?
• A limited-scale evacuation may be the best option in which situation?
• Which statement describes a basic tactical-level function that involves site management and control?
• During a toxic vapor release, why might staying indoors be initially safer than going outdoors?
• When grounding an upright vehicle during a hazmat response, which components should be connected first?
• What is the term for the transfer of a hazmat from its source to people or equipment, which may then count as a carrier?
• Brown glass bottles found at a hazardous materials incident, some broken on the floor, suggest contents may include which type of hazard?
• When the decision has been made to terminate the emergency response phase and additional restoration and recovery work is still required, the incident commander should:
• In hazmat incidents, the early planning focus should be on needs for how far into the future?
• In developing an incident action plan, the incident objectives section should.
• What is a hazmat that physically stays on or in people or equipment and that thereby creates a continued risk of direct injury or a risk of exposure outside the hot zone?
• What is the objective when terminating emergency response activities?
• Cryogenic liquids such as liquid nitrogen are stored in which type of container?
• What is the primary purpose of an isolation perimeter around hazard control zones?
• Which are the five factors that make up the acronym MOTEL?
• What is the first step of the risk-based process for identifying and classifying unidentified materials?
• Upon arriving on the scene of a hazardous materials incident, you notice a greenish-yellow vapor cloud rising from the incident. You should:
• In incident size-up, what has already taken place refers to which concept?
• During decontamination, which stage is responsible for removing the bulk of contaminants?
• When performing technical decontamination on a responder, what should be done first?
• Which of the following is defined as the process of transferring a hazardous material from its source to another carrier?
• In the early phase of a hazmat incident such as a train derailment, planning should focus on needs for how far into the future?
• Which statement about the hazard assessment component of the risk management program is true?
• Which set lists the three key input factors that must be considered during a risk-based response process?
• What is considered best practice when collecting evidence samples at the scene of a hazardous materials incident?
• Gross decontamination is most likely to come from:
• During defensive reconnaissance of a hazardous materials incident, which action is typical?
• Which type of ionizing radiation is mainly hazardous when inhaled or ingested?
• Which document is considered the most common and widely used guide for hazardous materials response?
• Which informational resources can be used to identify the product, its chemical and physical properties, and the potential incompatibilities?
• On a cargo tank, the letter K on the shell near the specification plate indicates that the tank has undergone which test?
• A quick field test, in which an instrument is exposed to a known calibration gas and the sensors show a response or alarm, is called:
• Spill control is defined as confinement, keeping released material in a defined or specific area.
• Which exposure route is most commonly encountered and often the most damaging in hazmat incidents?
• As the post-incident analysis coordinator, which statement describes your responsibility during the meeting?
• Division 6.2 covers infectious substances: used healthcare products and forensic materials. In what contexts are infectious substances covered?
• If a responder does not confirm the exact material early, what risk is increased?
• During a chemical spill at a factory, responders cleaning up and decontaminating the area illustrate which operational mode?
• Which statement best describes the Eight Step Process as described?
• Who is most likely to be the decision-maker when developing strategies at a hazmat incident?
• What is a key element of a tactic?
• What term describes the formal document capturing findings, recommendations, and lessons from an incident response?
• Class 4.1 materials are defined as:
• Incident command must give regular and factual situation status reports to which agency or individuals responsible for assembling the common operating picture?
• Under the Oil Pollution Act, which document is developed to coordinate regional responses to oil spills?
• Which factor that influences the level of risk would include the rate of dispersion of a chemical release?
• During a rescue operation, a partner signals by raising their hands over their head and crossing both arms. What are they conveying?
• Which release event involves release rates varying from minutes to hours or days and is generally a slow, non-violent flow?
• Which hazardous materials include discarded materials regulated by the EPA because of public health and safety concerns?
• What is the purpose of staging areas during incident management?
• Which best describes the purpose of Step 5 in the Eight Step Process?
• What is required to protect personnel against CBRN hazards?
• When dealing with chemical, biological, radiological, and nuclear threats, what is the key requirement for PPE?
• One of the main functions of the decontamination team is to:
• If two perpetrators were in the same location over the same time frame, which explanations could account for one dying while the other did not?
• Chemical vapor-protective clothing should be used when which conditions exist?
• Toluene is an example of which class of hydrocarbons?
• What is the process used to destroy the majority of recognized pathogenic microorganisms?
• NFPA 470 emphasizes hazmat responses should be guided by what?
• For LPG container repairs in hazmat scenarios, which patching method is recommended due to material compatibility?
• When responding to hazmat incidents that involve trains, it is most likely that the hazardous material involved is:
• What is the key to successful management and retrieval of hazardous materials information under emergency conditions?
• Which label on radioactive material packaging would you look at to determine the rate of disintegration or decay?
• In an immediately dangerous to life and health atmosphere with no secondary emergency air supply, which respiratory protection option should you select?
• What is one of the primary goals of post-incident analysis?
• How can a hazmat public education program assist you with code enforcement in your newly formed unit?
• Which individual would be responsible for creating and managing the overall incident action plan (IAP)?
• A nonpressure railroad tank car may have up to how many compartments?
• Upon arriving on the scene of a hazmat incident involving a derailed pressure tank car, you see an orange/red stripe running down the middle of the car. Based on this finding, you suspect that the railroad tank car is transporting:
• Vapor pressure is defined as:
• What is the purpose of brushing or scraping in the decontamination process?
• What is the purpose of FEMA's Comprehensive Planning Guide (CPG-101) in hazmat planning?
• The statement 'Knowing the physical properties can provide an understanding of how the material will behave inside a container and after being released from its container' is
• Which mark on an intermodal portable tank indicates the standards to which the tank was built?
• After clarifying a person's issue or concern at the scene of a hazardous materials incident, what should you do next?
• Victims on scene of exposure to sarin or methylene chloride are most likely to suffer which type of harm?
• Which statement about the relationship between AAR 103 and DOT 111 tank cars is accurate?
• Knowing the physical properties of a material is not necessary to predict how the material will behave inside a container and after being released from its container.
• Before leaving the scene after transferring control, the incident commander should document which information in the official log?
• Corrosivity should be checked using which of the following equipment?
• When deciding whether a community needs a hazardous materials response team, it is essential to consider that:
• Which level of personal protective clothing would be used to protect responders from an incident that involves chemical gases, vapors, and splashes?
• Upon observing a red vapor cloud rising from a vehicle, which chemical is most likely involved?
• The group-level critique facilitator's role includes which of the following?
• Studies conducted at the Los Alamos National Laboratory found that:
• Which action helps ensure evidence collection tools remain traceable and uncontaminated?
• Who is responsible for designating and establishing the isolation perimeter?
• Which of the following is considered best practice during decontamination and clean-up operations?
• Which position acts as the point of contact for external representatives at the incident scene?
• What action demonstrates effective initial scene management in a hazmat incident?
• Gasoline was identified as the hazmat commodity with the highest high-impact casualty count in 2010–2014. To which broad category does gasoline primarily belong?
• What is the smallest unit of an element that retains its identity in chemical reactions?
• HAZOP stands for Hazard and Operability. Which option correctly presents the standard's acronym expansion?
• Which person would oversee financial and administrative tasks during an incident?
• When using the rolling slide-in method of overpacking to contain a leaking drum, you should:
• After the initial decontamination of a vehicle exposed to smoke, you should:
• What is the purpose of a hazard assessment during site management and control?
• Which shelter-in-place precaution was influenced by Jack Rabbit II?
• What is the primary reason for enforcing an isolation perimeter around a hazmat incident?
• What is the estimated capacity range of the cargo tank in gallons?
• If a radioactive material container shows a millirem-per-hour reading that matches the transport index on the package, what can you conclude?
• Which of the following would explicitly describe the process of coordinating information among responders at a facility?
• Operational considerations for incident response include which set of factors?
• Who serves as the point of contact for assisting and coordinating with external representatives at the incident scene?