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TCFP HAZMAT OPERAIONS 129 LATESTS QUESTIONS AND ANSWERS WITH SOLUTIONS, Exams of Nursing

University of Michigan (UM) - DearbornNursing

1. When responding to hazardous materials/WMD incidents Operations level responders shall be able to preform the following task...: a) Analyze a HazMat incident to determine the scope of the problem b) Plan an initial response c) Implement a planned response d) Evaluate the progress 2. Analyzing a hazardous material incident to determine the scope of the problem involves...: 1. Surveying the incident to identify containers and materials involved, determine if wether hazardous material has been released and evaluate the surrounding conditions 2. Collect hazard and response information from SDS, CHEMTREC and shipping/manufacturer contracts 3.Predict the behavior of Hazardous materials and its container 4.Estimate the potential harm through TRACE-MP 3. What does TRACE-MP stand for?: Types of potential harm at Hazardous Material/WMD incidents. Thermal Radiation Asphyxiation Chemical Etiological Mechanical Psychological/ Psychogenic

Typology: Exams

2022/2023

Available from 07/01/2023

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Tcfp HazMat Operations
1. When responding to hazardous materials/WMD incidents Operations
level responders shall be able to preform the following task...:
a) Analyze a HazMat incident to determine the scope of the problem
b) Plan an initial response
c) Implement a planned response
d) Evaluate the progress
2. Analyzing a hazardous material incident to determine the scope of the
problem involves...:
1. Surveying the incident to identify containers and materials involved, determine
if wether hazardous material has been released and evaluate the surrounding
conditions
2. Collect hazard and response information from SDS, CHEMTREC and
shipping/manufacturer contracts
3.Predict the behavior of Hazardous materials and its container
4.Estimate the potential harm through TRACE-MP
3. What does TRACE-MP stand for?: Types of potential harm at Hazardous
Material/WMD incidents.
Thermal
Radiation
Asphyxiation
Chemical
Etiological
Mechanical
Psychological/ Psychogenic
4. The initial response at a HazMat incident is determined by..: The
capabilities and competencies of available personnel and personal protective
equipment
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  1. When responding to hazardous materials/WMD incidents Operations level responders shall be able to preform the following task...: a) Analyze a HazMat incident to determine the scope of the problem b) Plan an initial response c) Implement a planned response d) Evaluate the progress 2. Analyzing a hazardous material incident to determine the scope of the problem involves...:
  2. Surveying the incident to identify containers and materials involved, determine if wether hazardous material has been released and evaluate the surrounding conditions
  3. Collect hazard and response information from SDS, CHEMTREC and shipping/manufacturer contracts 3.Predict the behavior of Hazardous materials and its container 4 .Estimate the potential harm through TRACE-MP
  4. What does TRACE-MP stand for?: Types of potential harm at Hazardous Material/WMD incidents. Thermal Radiation Asphyxiation Chemical Etiological Mechanical Psychological/ Psychogenic
  5. The initial response at a HazMat incident is determined by..: The capabilities and competencies of available personnel and personal protective equipment
  1. The response objectives at a hazardous material/WMD incident include...: a) Evacuation b) Search and Rescue c) Exposure protection/ Isolating the Area d) Defensive control techniques e) Crime scene management and evidence preservation f) Recovery and termination
  2. Describe the response options available for Evacuation:
  3. Full scale evacuation
  4. Shelter-in-place
  5. Combination
  6. Describe the response options available for Search and Rescue:
  7. Based on training and equipment
  8. Risk-benefit analysis (risk a lot to save a lot, risk a little to save a little)
  9. Describe the response options available for Exposure protection/Isolating the Area: 1.Establish initial isolation zone 2 .Establish protective action distance
  10. Establish control zones
  11. Describe the response options available for Defensive Control Techniques: 1. Damming (Overflow or Underflow)
  12. Diking
  13. Retention
  14. Dispersion
  15. Absorption
  16. Adsorption
  17. Dilution
  1. What is adsorption...: Adsorption is different from absorption in that the molecules of the hazardous materials physically adhere to the adsorbent material Adsorbents do not swell like absorbents Produces heat and can cause spontaneous combustion must be disposed of properly. Examples: activated charcoal, silica, aluminum gel, fuller's eath, POROUS clay and other clays
  2. What is dilution..: Dilution involves applying water to a water soluble material in order to reduce the hazard. It is a useful way to preform decontamination but it is not a practical practical spill control method as it typically requires so much water that it creates a runoff problem
  3. What is dissolution...: Dissolution is the process of dissolving a gas in water. This tactic can only be used on water-soluble gases such as chlorine or anhydrous ammonia.
  4. What is Diversion...: Physical method of confinement by which barriers are constructed on ground or placed in a waterway to intentionally control the movement of a hazmat into an area where it will pose less harm to the community and the environment
  5. What is Vapor Dispersion...: Vapor dispersion is that action taken todirect or influence the course of airborne hazardous material. Pressurized streams (hoselines or unattended master streams) create turbulence which increase the rate of mixing with air and reduces the concentration of the hazardous material
  6. What is vapor suppression...: Vapor suppression is the action taken to reduce the emission of vapors at a hazmat spill. Fire Fighting foams are effective on spills of flammable and combustible liquids. Water-miscible materials such as alcohols, esters and ketones destroy regular firefighting foams and require alcohol-resistant foams
  7. What is ventilation...: Ventilation is any natural or mechanical means of controlling air movement. The same ventilation techniques used for smoke removal can be used for hazmat incidents
  1. What is a remote valve shutoff..: In some situations it may be safe and acceptable for Operations level responders to operate emergency remote shutoff valves. Activation of a remote shutoff valves varies by device but can be as simple as flipping a switch or handle or breaking a fusible device.
  2. Describe the response options available for Crime Scene management and evidence preservation: a) Maintain scene control b) Limit access c) Maintain chain of custody d) Coordinate with AHJ
  3. What is an AHJ...: Authority Having Jurisdiction a) Describe the response options available for Recovery and Termination: 1. Short-term recovery b) Long-term recovery c) Termination activities d) a)Debriefing e) Critique f) Post incident analysis g) Demobilization
  4. What is an EPA Level A suit and when is it used...: Vapor protective, provides the highest level of respiratory and skin protection Used when chemical hazards are unknown, identified hazards are highly hazardous, when there is high potential for splash, immersion or exposure to vapors or when operations are conducted in a confined or poorly ventilated area
  5. What is an EPA Level B suit and when is it used...: Liquid Splash protection, provides the highest level respiratory but lesser skin protection. Used when Atmosphere contains less than 19.5 percent oxygen or more than 23. percent oxygen. When there is a presence of vapors or gases indicated by a direct
  1. What is an Isolation perimeter..: Sometimes called the outer perimeter, it is the boundary established to prevent access by the public and unauthorized persons.
  2. What are Hazard control zones..: Hazard control zones provide the scene control required at hazmat operations to protect responders from interference by unauthorized persons, help regulate movement across zones and minimize cross contamination
  3. What is the hot zone..: also called the exclusion zone, the Hot zone is potentially very dangerous. Responders need proper training and PPE to work in the hot zone.
  4. What is the warm zone..: The contamination reduction zone, decontamination stations are located here. PPE will normally be required here although in some circumstances the level of PPE may be a reduced level from the hot zone
  5. What is the cold zone...: Also called the support zone. All logistical support is carried out here. PPE is not required here because it is considered safe. The multiagency command post, staging area, donning/doffing area, backup teams, research teams, logistical support, triage and transportation areas are located here as well.
  6. Describe: Cryogenic liquid tank cars (railroad): Fittings are in ground level cabinets at diagonal corners of the car or in the center of one end of the car.
  7. Describe: Nonpressure tank cars (railroad): Fittings are visible on top of these tank cars. Older Models of Nonpressure tank cars as well have an expansion dome with fittings visible on top the car.
  8. Describe: Pressure Tank cars: Fittings are inside a protective hosing on top of the car.
  9. Describe: Nonpressure intermodal tank IM-101: 25.4 to 100 psi, Contents can be liquid or Solid (both hazardous and nonhazardous)
  10. Describe: Nonpressure intermodal tank IM-102: 14.5 to 25.4 psi, Contents can be liquid or Solid (both hazardous and nonhazardous)
  1. Describe: Pressure Intermodal tank Spec 51/IMO Type 5: 100 to 500 psi, Contents liquefied gas or liquids
  2. Describe: Cryogenic Intermodal tanks IMO Type 7: Contents: Refrigerated liquid gases, argon, oxygen, helium
  3. Describe: Tube module Intermodal Container: 3000 or 5000 psi, Contents: Gases in high pressure cylinders mounted in the frame
  4. Describe: Compressed gas tube trailers: Pressure at 3000 to 5000 psi Individual steel cylinders stacked and banded together Usually has overpressure device for each cylinder Valves are protected in the rear Contents: Helium, hydrogen, methane and other gases
  5. Describe: Corrosive liquid tanks: MC 312, DOT 412, Pressure less thean 75 psi Typical capacity 7000 gallons Rubber lined or steel Small diameter round shape when viewed from the rear Splashguard serving as rollover protection around the valve fittings Contents: Corrosive liquids (usually acids)
  6. Describe: Cryogenic liquid tanks: MC338, Pressure at less than 22 psi Well insulated steel tank Round tank with flat ends Large and bulky double shelling and heavy insulation Loading and Unloading station attached at either the rear or at the front of the rear dual wheels Contents: Liquid oxygen, liquid nitrogen, liquid carbon dioxide, and other gases that have been liquefied by lowering their temperature
  7. Describe: Dry Bulk cargo tanks: Pressure less than 22 psi Typically not under pressure Bottom valves shape varies but has v shaped bottom unloading compartments Top manway assemblies

Longitudinal rollover protection Valve assembly and unloading control box under tank Vapor recovery system on curbside and rear Contents: Gasoline, fuel oil, alcohol, other flammable/combustible liquids, other liquids and liquid fuel products

  1. Describe: Cryogenic liquid tank: Insulated, vacuum jacketed tanks with safety release valves and rupture disk. Capacities can range from 300 to 400,000 gallons. Refrigerated storage tanks: less than 15psi High pressure cryogenic tanks: greater than 15psi
  2. What is a NFPA 704 placard..: Placard marking that is required at fixed facilities. The placard helps to alert responders to the health hazards, flammability and reactivity of products using a scoring system from 0 ( least ) to 4 ( severe ). There are two possible special hazards as well that can be located on the sign for Water reactive materials ( a W with line through it horizontally ) and an "OX" for oxidizers.
  3. Describe: Non- Pressure Horizontal tank: Horizontal laying tanks sitting on legs, blocks, or similar. Typically constructed of steel with flat ends. Used typically for bulk storage in conjunction with fuel dispensing operations Contents: Flammable and combustible liquids, corrosives, poisons
  4. Cone Roof tank: Cone-shaped or pointed roofs with weak roof-to-shell seams that will break if the container becomes overpressured
  • when partially full the empty space in the container contains dangers vapors Contents:flammable, combustible or corrosive liquids (Non pressured)
  1. Floating Roof tank: The roof floats on the surface of the liquids and moves up and down depending on level of the liquids
  • non-pressure
  • minimal to no vapors
  • rubber/fabric seal around the edges
  • above ground Contents: flammable/ combustible liquids
  1. Covered Floating Roof tank: Has a fixed cone roof with vents along the top edge, and a floating deck inside that stays on the surface of the liquids to minimize vapors - above ground
  • non-pressure Contents: flammable/combustible liquids
  1. Floating Roof with Geodesic Dome: A nonpressure, floating roof with geodesic dome Contents: flammable liquids
  2. Lifter Roof tank: The roof floats within a series of vertical guides that only allow a few feet of travel Contents: flammable/combustible liquids
  3. Vapor Dome Roof tank: A vertical storage tank that has a geodesic dome at the top.
  • dome is a flexible and moves in coordination with the change in vapor pressure Contents: combustible liquids of medium volatility and other nonhazardous materials
  1. Underground Storage tank: These tanks are made out of steel or fiberglass and have at least 10% of their surface areas underground
  • used at gas stations Contents: petroleum products
  1. High/Low Pressure tank examples...: Low Pressure (0.5-15 psi) - Vertical dome roof tanks High pressure (greater than 15 psi)
  • Horizontal pressure vessel
  • Spherical pressure vessel
  • Noded spheroid
  • Underground high pressure
  1. Non-Bulk Packaging: 1. Bags
  2. Carboys and Jerricans
  3. Cylinders
  4. Drums
  5. Dewar flask (cryogenic liquids)
  1. NFPA 704 System: Red (top of diamond) Flammability Yellow (right side of diamond) Reactivity White (bottom of diamond) Special Hazards Blue (left side of diamond) Health Hazards
  2. Hazardous Materials Identification System (HMIS): Refers to the numbers found inside the NFPA 704 diamond. 0 being the least dangerous, 4 being the most dangerous
  3. Hazard Identification Codes (Intermodal Containers): Also known as "hazard identification numbers," or Kemler code, is carried on placards on tank cars and tank containers running by road under international ADR regulations.
  4. How to ID hazmats..: Highway Transportation vehicles you must search for... a. Company names and logos b. Vehicle identification numbers c. Manufacturer's specification plate Intermodal equipment, including tank containers you must search for a. Reporting marks b. Tank number c. Specification markings Rail transport vehicles, including tank cars you must search for a. Standard transportation commodity code (STCC) b. Commodity stencil c. Reporting marks d. Capacity stencil e. Specification markings
  5. Manufacturer's specification plate: Will have specific instructions from the manufacturer, telling you how to deal with the hazmat
  6. What should you look for on a pipeline..: 1. Emergency telephone number
  7. Owner
  8. Product
  9. What should you look for on a pesticide label..: 1. Active ingredient
  10. Hazard statement
  1. Name of pesticide
  2. EPA Registration Number
  3. Precautionary statement
  4. Signal word (Poison/Danger, Warning, Caution)
  5. Radioactive White-I Label: Fissile class, white in color, low levels on surface
  6. Radioactive Yellow-II Label: Fissile class, yellow in color, medium levels of radiation on external surface on package
  7. Radioactive Yellow-III Label: Fissile class, yellow in color, highest level of radiation
  8. What are some surrounding conditions that will effect hazmats..: 1. Topography 2. Land use
  9. Accessibility
  10. Weather conditions
  11. Bodies of water
  12. Public exposure potential
  13. Overhead and underground wires and pipelines
  14. Storms and sewer drains
  15. Possible ignition sources
  16. Adjacent land use
  17. Nature and extent of injuries
  18. Building information
  19. Ventilation ducts
  20. Air returns
  21. CHEMTREC: CHEMTREC is the acronym for the Chemical Transportation Emergency Center. It is a 24-hour emergency response service that provides assistance in the handling of incidents involving hazardous materials
  22. SDS/MSDS: A safety data sheet, material safety data sheet, or product safety data sheet is a document provided by the manufacturer that details product hazards and spill-handling procedures.
  23. ERG: A Guidebook for First Responders during the initial phase of a dangerous goods/hazardous materials transportation incident; is color coded yellow (UN number), blue (name), orange (on fire), and green (isolation zones).

c. CHEMTREC

  1. What are types of assistance provided by Federal governmental authorities with respect to criminal or terrorist activities at Hazardous Materials/WMD incidents: DHS - Homeland Security Issues FBI - Crisis Management FEMA - Consequence Management EPA - Environmental Management US Coast Guard - Navigable Waterway Management & Port Security DOD - Explosives, Munitions, Military Shipments Technical Assistance/Response ATF - Explosives Technical Assistance
  2. What are types of assistance provided by State governmental authorities with respect to criminal or terrorist activities at Hazardous Materials/WMD incidents: Department of Public Safety (DPS) - District Disaster Chair (DDC) TDEM - Emergency Management Texas Commission on Environmental Quality (TCEQ) - Environmental Management Texas General Land office (TGLO) - Water Quality Texas Railroad Commission (TRRC) - Pipelines and Propane Storage
  3. What are types of assistance provided by Local governmental authorities with respect to criminal or terrorist activities at Hazardous Materials/WMD incidents: Local emergency management Local fire department Local police department EMS providers
  4. What are the properties of Alpha Radiation...: Alpha particles lose energy rapidly when traveling through matter. They can be stopped by a sheet of paper or by the outer layer of human skin. Is not harmful to outside skin, but can be harmful if ingested.
  5. What are the properties of Beta Radiation..: These particles are more fast moving that alpha radiation, they can penetrate the outer layer of skin and

cause radiation damage to the body. Can travel up to 20 feet through they air, after traveling that distance they can be stopped by a single layer of clothing

  1. What are the properties of Gamma Radiation..: Have no mass or electric charge but are highly penetrating. They can easily pass through the human body, inflicting severe radiation damage. Gamma radiation can be stopped by two inches of lead, two feet of concrete or several feet of dirt.
  2. What are the properties of Neutron Radiation..: This is normally found in research labs and nuclear power plants. These ultra-high energy particles have mass but no electrical charge and they are even more penetrating then Gamma rays. Neutron Radiation is hazardous to health because it creates secondary radiation as it passes through human tissue.
  3. Boiling Point..: Boiling point is the temperature at which vapor pressure is equal or greater than atmospheric pressure. When a liquid inside a container begins to boil, the increase in vapor pressure may exceed the vessel's ability to relieve excess pressure. Causing a catastrophic failure and BLEVE
  4. Chemical Reactivity is..: The tendency of a substance to undergo chemical changes in a system
  5. Corrosivity is..: Having the quality of corroding or eating away
  6. The relationship between Flammable and Explosive range: They are interchangeable
  7. Lower Explosive Limit (LEL) is..: The lowest concentration of a gas or vapor in air capable of igniting, too lean to burn
  8. Upper Explosive Limit (UEL) is..: The highest concentration of a gas or vapor in air capable of igniting, to rich to burn
  9. Flash point is..: Minimum temperature at which a liquid gives off enough vapors to form an ignitable mixture with air
  10. Ignition temperature..: The lowest temperature at which a combustible material ignites without a spark or flame
  11. Persistence is...: Length of time a chemical agent remains effective without dissipating

5 .Stream 6 .Pool 7 .Irregular

  1. Time frames for estimating the duration that hazardous materials will present an exposure risk: Short term- Minutes and hours Medium Term- Days,Weeks or Months Long term- Years or generations
  2. Identify the Health and Physical hazards that could cause harm (TRACE-MP): Thermal Radiological Asphyxiation Chemical (Poisons, corrosives, etc.) Etiological Mechanical Psychological