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TCFP & GFD HAZMAT AWARENESS-OPS TEST Questions and Answers 2024 1.Substances or materials in quantities or forms that may pose an unreasonable risk to health, safety, or property when transported, stored, or used in commerce is a definition for a: - ✅✅ hazardous material 2.When dealing with a radiological incident involving a leak or spill, what exposure guidelines should the hazmat first responder use to minimize radioactive contamination? -✅✅ Time, distance, shielding 3.A reference book intended as a guide to aid emergency responders to guide quickly and identify specific hazards during the initial phase is the: -✅✅ DOT, Emergency Response Guidebook The two types of potential hazards found in each guide of the Emergency Response Guidebook 4.are: -✅✅ health and fire/explosion 5.The steps that are taken to preserve the health and safety of emergency responders and the public during an incident involving releases of hazardous materials are called: -✅✅ protective actions 6.The most important part of assessment is: -✅✅ recognizing the presence of hazardous materials 7.Which information should be provided during the notifications? -✅✅ Container type Statement 1: CERCLA established prohibitions and requirements concerning closed and abandoned hazardous waste sites. Statement 2: A trust fund to provide for cleanup when no responsible party could be identified was established by CERCLA Statement 3: CERCLA is part of Code of Federal Regulations (CFR) 1910.120 -✅✅ Statements 1 and 2 are true; statement 3 is false 8.Which of the package labels listed below indicates the highest radiation hazard? -✅✅ Radioactive Yellow-III Federal law requires that local establishments keep a Material Safety Data Sheet on file when: -✅✅ hazardous materials are used or stored on site During an incident involving a train, where should you look for the shipping papers? -✅✅ the conductor's possession using the human senses of smell or taste to determine the presence of a hazardous material is: -✅✅ unreliable, unacceptable, and unsafe hazardous occupancies should be identified and evaluated: -✅✅ during preincident planning Local emergency response personnel can gain valuable information if the _____ is utilized in preincident planning -✅✅ Local Emergency Planning Committee Shipping papers are required to contain: -✅✅ the hazardous classification according to DOT regulations When transporting hazardous materials, the shipping papers should contain: -✅✅ hazard class of the material on a placard, the number at the bottom of the diamond indicates the: -✅✅ hazard class the DOT placarding system requires a vehicle carrying over 1001 pounds of corrosive display a _________ placard -✅✅ white over black the DOT placarding system requires a vehicle carrying a nonflammable compressed gas to display a placard colored: -✅✅ green a type of material that can be extremely toxic and is considered by the DOT to be a hazardous material is a -✅✅ poison any material that, when taken into the body, is injurious to health is known as: -✅✅ poisionous material in the NFPA 704 system of identification, the diamond-shaped placard used for fire hazard is colored: -✅✅ red the NFPA lists ______ as the standard for identifying chemical hazards of materials at fixed facilities -✅✅ 704 the the NFPA 704 system, the quadrant dealing with reactivity is colored -✅✅ yellow a hazard class of 3, within the UN labeling system indicates a ____________ product -✅✅ flammable/combustible liquid a substance that readily yields oxygen to support combustion of fuels, would be labeled hazard class _______ under the UN/DOT labeling system -✅✅ 5 a container of flammable solids would receive a UN label or placard with a hazardous classification number of: -✅✅ 4 using the UN/DOT labeling system, a flammable liquid would receive a hazard classification of: -✅✅ 3 within the UN/DOT system, a container labeled with a hazard class 4 contains a: -✅✅ flammable solid the NFPA 704 system indicates hazardous materials as: -✅✅ potential hazards in using the various clues for detecting the presence of hazardous materials, the use of ________ would be considered the most dangerous -✅✅ the sense of smell the Environmental Protection Agency (EPA) signal word - Danger - represents: -✅✅ high level of toxicity the least likely location for terrorists activity of the following choices is: -✅✅ a remote gov't facility in a rural area according to the NFPA 704 system, the most dangerous chemical would have a placard showing which of the following number sets? -✅✅ 4, 4, 2 the primary consideration in determining whether a facility is required to have Material Safety Data Sheets (MSDS) information is whether the facility: -✅✅ has chemicals that are used in the workplace a document developed by the manufacturer listing specific hazardous of a product is called: -✅✅ the Material Safety Data Sheet (MSDS) the number _______ would be shown in the flammability quadrant of the NFPA 704 system for a material that must be moderately heated before ignition can occur: -✅✅ 2 a substance that readily yields oxygen to support combustion of fuels would be labeled _________ under the UN labeling system -✅✅ 5 during a suspected terrorists event, warning indicator(s) that responders should be alert to is/are -✅✅ secondary devices a tractor trailer hauling gasoline should display a placard with the hazard class: -✅✅ red, 3 ______ is placed on highway transport vehicles to identify the contents -✅✅ a placard during the size up of a facility, the firefighter should utilize the NFPA 704 system to identify the: -✅✅ flammability of the material substances that are living disease causing materials or are obtained from living organisms are called: -✅✅ biological agents during transport, the party responsible for the waybill should be the: -✅✅ conductor the person responsible for control of the air-bill papers is the: - ✅✅ pilot shipping papers are referred to as _______ and usually stored ______, in air transport -✅✅ air bill, in the cockpit which is a signal word found on pesticide labels? -✅✅ Warning Which mode of transportation corresponds with a Waybill/Consist? -✅✅ Rail Statement 3: the signal words EXTREMELY FLAMMABLE are also displayed if package contents have a flash point below 80 degrees F -✅✅ Statements 1 and 3 are true; statement 2 is false the manufacturing and labeling of pesticides is regulated by the: -✅✅ Environmental Protection Agency (EPA) where are pipeline owners required to place pipeline markings? -✅✅ at any place the underground pipeline crosses a mode of transportation which agency regulates pipelines that carry hazardous materials across state boarders, navigable waterways, and federal lands? - ✅✅ Department of Transportation (DOT) what organization provides an emergency call center for first responders at a hazmat emergency? -✅✅ CHEMTREC Statement 1: if placards are clearly displayed on the transportation mode, shipping papers are not required Statement 2: if a transportation mode is not carrying hazardous materials, there is no requirement for specific information to be provided on shipping papers Statement 3: Shipping papers must contain the proper name of the chemical amount and weight -✅✅ statement 1 is false; statements 2 and 3 are true Statement 1: when carrying hazardous materials, a transportation mode must carry shipping papers Statement 2: Shipping papers may include a packing group number listed as I, II, or III Statement 3: the higher the packing group number, the more dangerous the cargo -✅✅ Statements 1 and 2 are, statement 3 is false a dangerous cargo manifest may be located in the: -✅✅ wheelhouse or bridge who is responsible for shipping papers when the mode of transportation is aircraft? -✅✅ Pilot an air bill may be located in the: -✅✅ cockpit who is responsible for care and control of a bill of lading? -✅✅ driver who is responsible for care and control of a dangerous cargo manifest? -✅✅ captain or master the waybill/consist may be located with/in the: -✅✅ engine a bill of lading may be located with/in the: -✅✅ cab of the vehicle the definition of hazardous material is: -✅✅ any chemical that is a physical hazard or health hazard the EPA signal word - Caution - represents: -✅✅ minor level of toxicity the EPA signal word - Warning - represents: -✅✅ moderate level of toxicity the acronym SLUDGEM is used to describe the signs and symptoms of exposure to which of the categories of warfare agents? -✅✅ nerve agents blister agents belong in which category of warfare agents under the Chemical, Biological, Radiological, Nuclear, and high-yield Explosive (CBRNE) classification? -✅✅ Chemical given the product name, you can find the four-digit UN/DOT number assigned by referencing the: -✅✅ Emergency Response Guidebook (ERG) which are signs and symptoms of exposure to a nerve agent? - ✅✅ loss of bladder control and vomiting using the nuclear, biological, and chemical (NBC) classification, which is considered a chemical nerve agent? -✅✅ V-agent/VX Statement 1: victims have lost control of their bowels - you suspect a nerve agent Statement 2: victims complain of not feeling well after inhaling an airborne white powder a few days earlier - you suspect a biological agent Statement 3: victims are exhibiting pinpoint pupils, runny noses and difficulty breathing - you suspect a biological agent -✅✅ Statements 1 and 2 are true; statement 3 is false Statement 1: examples of nerve agents are sarin, soman, and V agent/VX Statement 2: the most toxic, least volatile nerve agent is V agent/VX Statement 3: nerve agents are very effective due to their high vapor pressure -✅✅ Statements 1 and 2 are true; Statement 3 is false hazardous materials that would be classified and placarded class 9 during transportation include: -✅✅ polychlorinated biphenyls (PCBs) Statement 1: the blue section of the ERG lists the shipping names of hazardous materials Statement 2: shipping names are always identical to the chemical names of materials Statement 3: it is important to know the proper spelling of the shipping name of a material before referencing the ERG -✅✅ Statements 1 and 3 are true: Statement 2 is false which federal agency is involved in the regulation of hazardous materials and/or wastes? -✅✅ DOT the NFPA 704 system is designed for: -✅✅ fixed facilities Statement 1: a MSDS provides the name the chemical company uses to identify the product Statement 2: the product name is not always identical to the chemical name, as listed on a MSDS the DOT hazard class 5 consists of: -✅✅ oxidizers the DOT hazard class 6 consists of: -✅✅ poisons the DOT hazard class 7 consists of: -✅✅ radioactive substances the recommended course of action for fighting a small fire involving a hazardous substance would be found in the ______ section of the ERG -✅✅ orange one resource that deals with protective action distances involving toxic gas, is the: -✅✅ DOT ERG book when using the table of isolation distances in the ERG, a large spill is defined as a quantity greater than: -✅✅ 70 gallons on greater the recommended shape of the initial isolation zone around a chemical spill or release is: -✅✅ circular the statement: "people inside a building should remain inside until the danger passes," best describes: -✅✅ shelter in place the general routes of entry for human exposure to hazardous materials are: -✅✅ inhalation, ingestion, absorption, and injection the term - isolate hazard area or deny entry - means -✅✅ keeping everyone not directly involved in the emergency operation away from the affected area the term - shelter-in-place protection - means: -✅✅ having people remain inside a building rather than moving them to another area Scene control at a terrorism incident incident may present unique challenges for the responders. in particular, responders must be aware that: -✅✅ the terrorist may be on the scene waiting for responders to arrive before striking again upon arrival at a hazardous material incident involving a truck, you locate the 4-digit ID number on an orange panel. you should look first in the ERG for guidance in the: -✅✅ yellow- boarded section which is a potential ignition source found at the scene of hazardous materials incidents? -✅✅ radios and flashlights asphyxiation hazard: -✅✅ can lead to suffocation the collection of evidence at a terrorist event is primarily the responsibility of: -✅✅ law enforcement ______ is the process of taking in materials through the skin or eyes -✅✅ absorption the route of exposure effecting the respiratory tracts associated with causing ill effects, both acute and chronic, is: -✅✅ inhalation the term - evacuate - means: -✅✅ moving everyone from a threatened area to a safer area typical ignition sources found at the scene of a hazardous material incident would include: -✅✅ battery operated equipment upon arrival to a hazardous material incident involving a truck, you learn it is carrying magnesium. you are unable to obtain the 4-digit ID number. where you should look first in the ERG for guidance? -✅✅ in the blue-bordered material index section in the ERG, the first responder would expect to find the highlighted entries indicating that a material is either a toxic inhalation hazard or a dangerous water reactive material in the: -✅✅ yellow and blue-bordered sections When using the ERG, the next step the first responder should follow after learning a material's 3-digit guide number is to: -✅✅ go to the orange bordered section the lead agency during a terrorist attack is the: -✅✅ federal bureau of investigation if you are initiating the IMS at a hazardous materials incident, the person assigned as the safety officer must be: -✅✅ trained to the technician level the goal of an emergency decon procedure is to: -✅✅ remove any threatening contamination as quickly as possible if a product with a vapor density of 1.6 escaped from its container, you would expect the product to: -✅✅ collect in low- lying areas the best source of information on a specific hazardous materials is the: -✅✅ MSDS when attempting to collect hazard information during an emergency incident, the responders could contact ________ for immediate information -✅✅ CHEMTREC which is the correct regarding emergency decontamination? - ✅✅ it is required when immediate medical attention is required in order to determine whether the personal protective equipment provided is appropriate for defensive operations, the ERG should be consulted. the section in which this information would be found is colored: -✅✅ orange you arrive on the scene of a vehicle accident involving a cargo tank truck carrying gasoline. the truck is leaking its product into a small lake. the driver of the truck gives you a MSDS on gasoline, which gives you a specific gravity of 0.8. with this information, you can predict that the product will: -✅✅ remain on top of the water the active ingredients on a pesticide label will be: -✅✅ listed by name control of the scene begins by isolating the site. the process for establishing initial isolation distances can be found: -✅✅ in the ERG when initiating an IMS at a hazardous materials incident, it is important to remember that an individual's span of control is: - ✅✅ 1 to 5 What is the minimum level of training is required to don chemical protective clothing? -✅✅ hazamt operations the statement, "keep away from children," found on a pesticide label is an example of a(n): -✅✅ precautionary statement viewed from the rear, a liquid carrier has an elliptical shape. This shape, illustrated below, indicates what type of container - ✅✅ MC 306/DOT 406 the proper cargo tank truck to carry a shipment of sulfuric acid is an: -✅✅ MC 312/ DOT 412 pipeline markers contain information describing the: -✅✅ owner/phone number/product a _________ tank has an inner tank with an outer shell and is well insulated: -✅✅ cryogenic a cryogenic liquid tank will have: -✅✅ a double shell with insulation a rail car with a stenciled name on its side is generally a: -✅✅ dedicated car if a rail car had a cylindrical tank and a covered dome containing all the fittings and valves, it would be classified as a ______ rail car -✅✅ pressure tank a rail car with exposed fittings is considered to be a ________ car -✅✅ nonpressure or low-pressure tank a tank car designed to carry low-pressure, refrigerated liquids at -130 degrees F and below is a: -✅✅ cryogenic liquid tank car which information is required on a pipeline marker? -✅✅ owner of the pipeline which is mandatory information found on a pesticide label? -✅✅ EPA registration number which is a required signal word on a pesticide label? -✅✅ warning when implementing tactical activities during a bomb event, responders should: -✅✅ be alert for secondary devices two complicating factors facing emergency responders at a terrorist incident are: -✅✅ crime scene considerations and possible secondary events above ground pressurized storage tanks are divided into two categories: -✅✅ low-pressure and pressure bags may be used to store: -✅✅ nonbulk dry items such as pesticides Statement 1: a common hazard with cylinders is the potential for explosion Statement 2: cryogens pose a substantial threat if the Dewar container fails to maintain the low temperatures Statement 3: skin exposure is not a concern with cryogens -✅✅ Statements 1 and 2 are true, statement 3 is false a common design feature of cylinders is a: -✅✅ pressure relief valve a tank carrier designed to haul various chemicals whose pressures are less than 40 psi would be an: -✅✅ MC 307/DOT 407 Statement 2: cryogenic liquids cannot be shipped in intermodal containers because they are considered to be too unstable for this type of shipment Statement 3: radioactive material containers are shipped in either type A or type B containers -✅✅ statements 1 and 3 are true, statement 2 is false you have arrived on the scene of a hazardous materials incident involving pesticides. on one of the pesticide labels, you notice the statement "keep away from children." this statement is called the: -✅✅ precautionary statement common hazards materials stored in nonbulk packages, referred to as bags, are: -✅✅ fertilizers a railcar tanker with a stencil marking of DOT 111 is a(n): -✅✅ non-pressurized railcar the products that IM 101 intermodal portable tanks typically carry are: -✅✅ flammable liquids the products that IM 102 intermodal portable tanks typically carry are: -✅✅ nonregulated materials the design pressure of an IM 101 portable tank is: -✅✅ 25.4 to 100 psi pneumatically unloaded hopper cars typically carry: -✅✅ powdered materials a _______ is best defined as a tank-within-a-tank with a stainless steel inner tank supported within a strong outer tank, with insulation in the space between the inner and outer tank: - ✅✅ cryogenic liquid tank car what type of container is used to ship materials of radioactivity by air? -✅✅ Type C packaging used for transport with extremely low levels of radioactivity that present no risk to the public or environment is known as: -✅✅ excepted which material is transported in industrial containers? -✅✅ smoke detectors large tanks with hemispherical heads on both ends can be identified as: -✅✅ high pressure which are shipped in industrial packages having limited hazard to the public and environment? -✅✅ laboratory samples an intermodal container that is capable of holding high pressure gases 3000 psi or higher is a: -✅✅ tube module intermodal container which is a type of drum? -✅✅ open heads IBCs are defined as: -✅✅ intermediate bulk containers an intermediate bulk container called a super sack would most likely contain: -✅✅ solid materials where would you find valves on a one-ton container? -✅✅ end which would you not expect in a one-ton container? -✅✅ oxygen given the MSDS provided, in which section would signs and symptoms of exposure and routes of entry be found? -✅✅ Section #3 given the provided MSDS, in what sections can you find info on precautions for safe handling to include release measures and personal protection measures? -✅✅ 7 and 8 given the MSDS provided, identify the chemical abstract service (CAS) number. -✅✅ 75-21-8 given the provided MSDS, in which sections would you find PPE and first aid procedures? -✅✅ 4 and 8 given the provided MSDS, identify the boiling point of the chemical -✅✅ 13 degrees C alpha particles can be described as: -✅✅ particles with weight and mass which statement is true regarding neutron radiation? -✅✅ they are highly penetrating which type of radiation has a physical mass but has no electrical charge? -✅✅ neutron structural firefighting gear with self-contained breathing apparatus will protect responders from: -✅✅ beta particles when contacting the CHEMTREC, the caller should be prepared to provide the: -✅✅ type of container or vehicle CHEMTREC is able to provide assistance to responders if: -✅✅ the name of the shipper or manufacturer is known CHEMTREC/CANUTEC can usually provide: -✅✅ technical information in an emergency at a facility with bulk chemical storage, where the MSDS is not available on site, the firefighter may obtain information from: -✅✅ CHEMTREC radiation that can be stopped by a piece of paper consists of _______ particles. -✅✅ alpha the radiation that is least dangerous as a threat to external portions of the body but is very dangerous if ingested or inhaled is: -✅✅ alpha ________ rays are the most dangerous type of radiation. -✅✅ gamma caustic sodium hydroxide and potassium hydroxide are examples of: -✅✅ bases chemicals that ignite when combined create a(n) ________ reaction. -✅✅ exothermic a chemical with a vapor density of greater than 1 will tend to: - ✅✅ collect in low areas and below-grade places chemicals with specific gravities greater than 1 tend to: -✅✅ sink a liquid's ability to mix with water best defines: -✅✅ solubility _______ is the ratio of the weight of a volume of liquid to the weight of an equal volume of water, with water having a value of 1.0 -✅✅ specific gravity ______ is the minimum temperature at which a liquid gives off sufficient vapors to form an ignitable mixture with air. -✅✅ flash point which is considered to be a breach in a metal container? -✅✅ punctures in hazardous materials, one of the three time frames used for predicting the length of time that exposures may be in contact with a hazardous material in an endangered area is medium term. medium term means: -✅✅ days, weeks, and months in hazardous materials, one of the three time frames used for predicting the length of time that exposures may be in contact with a hazardous material in an endangered area is short term. short term means: -✅✅ minutes and hours in hazardous materials, one of the three time frames used for predicting the length of time that exposures may be in contact with a hazardous material in an endangered area is long term. long term means: -✅✅ years and generations all biological etiologic agents and toxins are designated as DOT hazard class: -✅✅ 6 determining whether a vapor will rise or fall is commonly referred to as: -✅✅ vapor density a product that is heavier than water and sinks when placed in water is an example of: -✅✅ specific gravity the hemispheric dispersion pattern is best described as: -✅✅ a circular or dome vapor cloud extending up from the ground chemicals that are classified as ______ can cause a severe allergic reaction. -✅✅ sensitizers a person who is repeatedly exposed to a chemical over a long period of time may develop: -✅✅ chronic health hazard which is a dispersion pattern created by the release of a hazardous material? -✅✅ cloud a poison that will cause a person to have seizures is called a(n): -✅✅ convulsant the irregular dispersion pattern is best described as: -✅✅ carried by contaminated responders when exposed to heat or fire, a liquid with a low boiling point will: -✅✅ more readily change to a vapor than a liquid with a high boiling point the temperature at which a liquid changes to a gas is best described as: -✅✅ the boiling point the flammable range is best described as the: -✅✅ percentage of gas or vapor concentration in air the minimum temperature at which a liquid fuel gives off sufficient vapors to form an ignitable mixture with air near its surface is best described as -✅✅ flash point in an emergency, responders can acquire a MSDS sheet from - ✅✅ manufacturer of the chemical the immediate concern when dealing with combustible liquid spills is to: -✅✅ prevent ignition of the fuel most riot control agents are considered to be in DOT hazard class: -✅✅ 6.1 choking agents like _______ attack the lungs causing tissue damage. -✅✅ phosgene a specific class of chemicals, called blood agents are highly toxic to the human body because they: -✅✅ are chemical asphyxiants because they interfere with oxygen utilization materials such as benzene, asbestos, and arsenic are known as: -✅✅ carcinogens which is a symptom of an irritant exposure? -✅✅ burning sensation to eyes the _______ of a chemical is its ability to remain in the environment. -✅✅ persistance one of the most common products of combustion encountered in structure fires is: -✅✅ carbon monoxide (CO) to contact the shipper for hazard and response information, a firefighter can obtain information number from: -✅✅ the shipping papers a poison that can be harmful if inhaled, swallowed, absorbed or introduced into the body is known as: -✅✅ toxic specific gravity can be described as the: -✅✅ ratio of the weight of a volume of liquid or solid to the weight of an equal volume of water water solubility can be described as the: -✅✅ degree to which a substance will mix with water the pool dispersion pattern is best described as: -✅✅ a three dimensional pattern a steam dispersion pattern is best described as: -✅✅ a surface following pattern at an emergency incident, the firefighter may obtain appropriate MSDS info from: -✅✅ the employer of the facility the UN/DOT hazard class for nerve agents is: -✅✅ 6.1 neurotoxins such as organophosphates will effect which target organ? -✅✅ nervous system the term that describes the part of the body effected by a specific toxin is called the: -✅✅ target organ the concentration that should never be exceeded is called: -✅✅ TLV-C the amount of an ingested or injected substance that results in the death of 50 percent of the test population is: -✅✅ LD50 the primary hazard to responders rescuing victims in the vicinity of a fire involving products of hazard class 1 is: -✅✅ explosion removal of contaminated victims that are in need of medical treatment from the hazard area requires: -✅✅ the emergency decontamination process statement 1: remote shutoffs are usually well marked with an orange placard statement 2: remote shutoffs in fixed facilities are typically located near the back door statement 3: on vehicles, the two most common locations for remote shutoffs are at the rear of the cargo tank or behind the driver's door -✅✅ statements 1 and 2 are false, statement 3 is TRUE a process by which one substance combines with a second substance is called: -✅✅ absorption when determining the type of dam to use to control a spill, responders need to consider the: -✅✅ specific gravity of a material which statement is correct concerning the proper procedure for dilution of a spill -✅✅ dilution may be effective when combined with other containment tactics actions taken to confine a product release to a limited area, performed remotely, are considered to be: -✅✅ defensive strategies identify the process of controlling fumes or vapors that are given off by flammable liquids -✅✅ vapor suppression _______ is compromised of those procedures taken to keep a material in a defined or local area -✅✅ confinement an advantage of confinement operations is that -✅✅ direct exposure of personnel is avoided the purpose of vapor suppression is to -✅✅ reduce the emission of vapors defensive control techniques that operations level personnel are permitted to engage in are -✅✅ dike, dam, diversion, and retention a process by which a hazardous liquid flow is redirected away from an area is called -✅✅ diversion statement 1: absorption is a defensive method of controlling a hazardous material spill by applying a material that will soak up and hold, or absorb, the spill statement 2: absorption generally requires that the operational personnel be in close proximity to the spill statement 3: absorbent materials can react with certain hazardous materials -✅✅ statements 1 and 3 are true, statement 2 is false statement 1: vapor dispersion involves using water spray or fans to intentionally move vapors away from certain areas the __________ zone is in the area of highest known hazard - ✅✅ hot/exclusion one of the factors that can change the evacuation area is: -✅✅ a change in wind direction which protective action must be taken during shelter in place protection? -✅✅ close all windows what should responders do with runoff from emergency decontamination? -✅✅ divert into an area where it can be treated and disposed of when sheltering people in place, the citizens should be directed to -✅✅ close all heating, ventilation, and AC systems prior to allowing responders to act, they should be briefed on - ✅✅ anticipated duration of the task which is a consideration when setting up an emergency decon area? -✅✅ run off when dealing with a level III incident, it is expected that evacuation of people will cover an area of: -✅✅ large scale evacuation statement 1: the hot zone is the area immediately around the release statement 2: the warm zone includes the contains the decontamination area statement 3: the command post is located in the warm zone - ✅✅ statements 1 and 2 are true, statement 3 is false statement 1: safety briefings should be a verbal relay of info on the written site safety plan statement 2: the safety briefing should stress the potential hazards that exist statement 3: safety briefings should include the reminder that the incident is also a crime scene -✅✅ all three statements are true statement 1: the decision to evacuate or shelter-in-place is relatively easy to make statement 2: sheltering-in-place is a method of safeguarding people in a hazardous area statement 3: evacuation is always preferred over sheltering-in- place -✅✅ statement 2 is true, statements 1 and 3 are false one of the keys to evidence preservation is -✅✅ minimize the number of people working in the area at a terrorism event, when preserving evidence, the first responder should -✅✅ minimize the number of people working in the area identify the five major functions within the Incident Management System (IMS) -✅✅ command, ops, planning, logistics, and finance who is responsible for requesting additional resources at a hazardous materials incident? -✅✅ logistics section chief within the ICS, the optimum span of control is -✅✅ 5:1 how often should a SCBA unit be inspected after it has been used -✅✅ daily when responding to a potential hazardous material incident, the safest way to approach the scene is to -✅✅ approach from uphill and upwind even if it requires a longer response time the first step or most important thing to accomplish upon arrival at a hazardous materials or suspected hazardous materials incident is -✅✅ isolation of the area and prevention of entry when operating at a hazmat scene, what is required when operating in a hot zone -✅✅ utilization of a buddy system to minimize the physical limitations of PPE, a FF should -✅✅ hydrate frequently respiratory protective equipment should be cleaned an inspected -✅✅ after each use back-up personnel should be advised of the incident action plan and positioned in the __________ zone. -✅✅ cold a ________ sound often occurs when metal has been softened by high heat and pressure -✅✅ pinging what would show that the correct actions were taken at a flammable gas leak? -✅✅ lower readings on the monitors when a fire involves the cargo of a truck transporting explosives, the responders should -✅✅ immediately evacuate the area if the SO notices an unsafe activity at an emergency, the SO should -✅✅ stop the activity immedately at a hazmat incident, the assistant safety officer directly reports to the -✅✅ safety officer at a hazmat incident, which function area is responsible for developing a special technical group to the basic ICS -✅✅ operations what is unique about hazmat IMS? -✅✅ there are typically 2 safety officers assigned the incident command post at a hazmat incident: -✅✅ should relay their location to the dispatcher and responding personnel which are safety guidelines for the use of vapor protective clothing? -✅✅ suits significantly impair mobility when considering personal protection, remember that the most vulnerable route of exposure for an emergency responder is - ✅✅ the respiratory system work uniforms that provide minimal protection best defines EPA _________ protection -✅✅ level D a vapor tight suit which resists permeation by most chemicals is known as a: -✅✅ level A heat stress is associated with: -✅✅ muscle cramps in legs and abdomen what single item makes a level B ensemble different from the lower levels of PPE? -✅✅ SCBA dizziness, headache, nausea, vomiting, and blurred vision, are all signs of: -✅✅ heat exhaustion heat stroke is associated with -✅✅ hot, dry, red skin penetration can be described as -✅✅ movement of material through closures heat ________ occurs when the circulatory system begins to fail, resulting in rapid, shallow breathing and cool, clammy skin - ✅✅ exhaustion symptoms of heat _________ include little or not sweating; hot, dry, red skin; deep, then shallow breathing; and rapid pulse -✅✅ stroke when donning SCBA with a level A suit, the self-contained breathing apparatus is: -✅✅ worn inside the PPE permeation can be described as -✅✅ occurring on a molecular level statement 1: heat exhaustion occurs because the body is unable to dissipate excessive heat and becomes overheated statement 2: heat stroke results from the failure of the temperature-regulating capacity of the body statement 3: both heat exhaustion and heat stroke are immediate life threatening conditions -✅✅ statements 1 and 2 are true, statement 3 is false cracking, charring, and discoloration are examples of ________ to a chemical garment -✅✅ degradation the decon of crew memebers through the use of water and soap is known as -✅✅ dilution what PPE would you use for a material that had a LC50 of 5 mg/kg, had a high vapor pressure and was dermally toxic -✅✅ level A when dealing with a radiological incident involving a leak or spill, what exposure guidelines should be used to minimize radioactive contamination? -✅✅ time, distance, shielding in which type of chemical, biological, radiological, nuclear, and high yield explosives (CBRNE) call is structural FF gear and chemical protective ensemble inadequate? -✅✅ explosive/mechanical the best type of PPE for thermal hazards would be -✅✅ structural FF clothing the process by which a chemical enters a protective suit through openings in the garment best describes -✅✅ penetration standard structural FF ensemble including SCBA are adequate for which chemical, biological, radiological, nuclear, and high yield explosives (CBRNE) incidents? -✅✅ beta radiation in dealing with biological agents, the minimum required protection is -✅✅ level C the highest level of protection from hazardous chemicals provided by chemical protective clothing is -✅✅ level A degradation can be described as -✅✅ physical damage from a chemical a level A suit will protect the responder from ill effects from -✅✅ vapors and gases to protect against radiological exposures a responder should - ✅✅ limit the time spent in a radiation hazard area physical stresses that can affect users of specialized protective clothing include -✅✅ heat stress statement 1: a phase change vest consists of a method to maintain a consistent temp of 60 degrees statement 2: ice cooled vests may be recharged by freezing the vest statement 3: ice cooled vests typically recharge faster than phase-change style vests -✅✅ statements 1 and 2 are true, statement 3 is false a vest where the cooling agent is circulated throughout the garment and operates on the principle of conductive heat transfer is known as a(n) ________ vest -✅✅ water cooled an air cooling system consists of small airlines providing _________ cooling of the user by blowing cool air over the body inside a suit or vest -✅✅ convective when using air purifying respirators, which is an operational component that should be considered prior to use? -✅✅ the appropriate cartridge/filter is selected prior to use what is an operational consideration when using supplied air respirators? -✅✅ the proper air filtering cartridge for the expected contaminants must be selected one advantage of using level A PPE with supplied air respirators (type 3) and a vapor-protective suit is -✅✅ that it permits extended operations the following advantages are indicative of what type of chemical vapor suit? 1. it offers maximum level of protection to the user 2. positive internal pressure may help to minimize minor leaks 3. if the SCBA malfunctions, the user may have some time to reach a nonhostile environment -✅✅ level A fully encapsulating (type 1) heat exhaustion is associated with -✅✅ cool, moist skin which is a true life-threatening emergency that requires immediate attention? -✅✅ heat stroke lowered body core temp is called -✅✅ hypothermia