Hazmat Operations Flashcards
Who are operations level responders expected to work under the control of specific to a hazmat response?
Technician
Analyzing a scene of an incident to determine the scope, collecting information from available reference sources, and performing decontamination are all tasks that which level of personnel should perform at a hazmat scene?
Operations
Analyzing a problem involving hazardous materials/ WMD and controlling a release using specialized protective clothing and control equipment are abilities of what level of hazardous materials responder?
Technician
During scene size-up you should stay in which direction from the release?
Uphill and Upwind
What options are available to help you identify the released substance?
SDS, shipping documents, ERG, CANUTEC,
Product labels and placards
Where should the command post be located?
Cold zone, access to comms and technical reference material
What type of container is used to hold dangerous chemicals and cold liquids?
Dewar container
Closed-head drums have a permanently attached lid with one or more small openings. These openings are called?
Bung
Where can you commonly find information about a specific substance?
SDS
The document containing the name of the chemical, physical and chemical characteristics, health hazards, and first aid procedures for a product is?
SDS
When responding to a hazardous materials incident at a facility, which document should you ask for from the site representative?
SDS
What do the NFPA diamonds found on the outside of buildings, on doorways to chemical storage areas, and on fixed storage tanks tell responders?
Hazards posed by the chemicals inside that building, or part of a building.
The blue diamond on an NFPA diamond placard designates which type of hazard?
Health Hazard
The red diamond on an NFPA diamond placard designates which type of hazard?
Flammability Hazard
The yellow diamond on an NFPA diamond placard designates which type of hazard?
Instability hazard
The white diamond at the bottom of an NFPA diamond placard designates which type of hazard?
Special hazards (oxidizing, corrosive, radioactive, , water reactive)
When are shipping labels required?
Anytime materials are transported from one place to another.
What information is included on shipping papers for hazardous materials?
Name and address of shipper and receiver, identify material being shipped, quantity and weight of each part of the shipment
What are the other names for shipping papers for road and highway transportation?
Bill of lading or Freight bill
Where are the shipping papers for hazardous materials to be kept while in transport?
In the cab of the vehicle
Which packaging group for hazardous materials designation indicates the highest danger?
Packaging Group 1
Which packaging Group for hazardous materials indicates the lowest or minor danger?
Packaging Group 3
What are shipping papers for railroad transport called?
Waybill
What are the shipping papers for marine vessels called?
Dangerous Cargo Manifest
Gasses or volatile liquids that are extremely toxic to humans are called?
Toxic Inhalation Hazards (TIH)
Which placard for hazardous material transport indicates more than one hazard is contained in the same load?
Dangerous
What are the four routes of entry for harmful substances into the body?
Injection, Inhalation, Absorption, Ingestion
Which type of exposure occurs when harmful substances enter the body through the respiratory system?
Inhalation
What should be performed on a patient exposed to harmful substances before delivering patient care?
Decontamination
What type of respiratory protection must be used if the atmosphere may be IDLH?
SCBA or Supplied Air Respirator
The temperature at which a liquid will continually give off vapours in sustained amounts and, if held at that temperature long enough will turn completely into a gas is?
Boiling Point
The property that determines whether a vapour or gas will rise or sink in air is called?
Vapour Density
Which type of radiation can pass through thick solid objects including the human body?
Gamma Rays
What is it called when a chemical has been released and physically comes in contact with people, the environment, and everything around it?
Contamination
What is it called when a person or object transfers contamination to another person or object?
Secondary Contamination
An adverse health effect that occurs gradually over time after long-term exposure to a hazard is called?
Chronic Health Hazard
Health effects caused by short exposures to a chemical are called?
Acute Health effects
What pressures are found in a pressure tank car for railroad transport?
100-500psi
Pressure tank cars are equipped with fittings mounted where for loading and unloading?
Top Mounted
Of Radioactive 1, 2, or 3, which label indicates the highest hazard?
Radioactive 3
Of Radioactive 1, 2, or 3, which label indicates the lowest hazard?
Radioactive 1
Indicators of secondary explosive devices may include?
Trip devices, timers, wires, switches
What are common concealment containers for secondary explosive devices?
Briefcase, backpacks, boxes, packages
What are uncommon concealment containers for secondary explosive devices?
Propane tanks or industrial chemical containers
How can responders help to avoid destroying important evidence at a terrorist incident?
Do not disturb the scene
What is the distance in which all persons should be considered for evacuation in all directions called for the start of the response?
Initial isolation
What is one of the first actions responder must take at a hazardous materials/WMD incident?
Isolation of the hazard area
Responders should find a route that approaches a hazmat incident from the __________ direction?
Upwind
Where do defensive actions take place?
Outside of the hot zone or some distance away from the point of release.
Diking and damming are examples of which type of actions?
Defensive
When dealing with a hazmat/WMD response, what equipment may have the greatest direct impact on responder health and safety?
Selection and use of chemical protective clothing.
How should PPE for hazmat response be cleaned, tested, and inspected?
As per manufacturer instructions
What is penetration in regards to chemical protective clothing?
The flow or movement of a hazardous chemical through closures, seams, porous materials, pinholes, or imperfections
What is permeation in regards to chemical protective clothing?
The process by which a substance moves through a given material on the molecular level
The physical destruction or decomposition of a clothing material due to chemical exposure, general use, or ambient conditions is known as?
Degradation
Which type of protective clothing provides full body protection from highly contaminated environments and requires supplied air respiratory protection such as an SCBA?
Fully encapsulating or Vapour-protective clothing
Which type of protective clothing is designed to protect the wearer from chemical splashes but does not provide total body protection from gasses and vapours?
Liquid splash protective clothing
Which level of protective clothing consists of a fully encapsulating garment that envelops both the wearer along with respiratory protection and communications equipment?
Level A
Which level of protective clothing consists of chemical protective clothing, boots, gloves, and SCBA and should be used when a high level of respiratory protection but less skin protection is required?
Level B
What does IDLH stand for?
Immediately dangerous to life and health
What is the TLV/STEL?
Short term exposure limit. Maximum concentration of a hazardous material that a person can be exposed to in 15 minute intervals, up to 4 times per day, with a minimum 1 hour rest period between exposures.
What is the TLV/TWA?
Time weighted average. Maximum a person can be exposed to for 8 hours a day and 40 hours a week with no ill effects
What is the TLV/C?
Maximum concentration that a worker should not be exposed to, not for an instant
What is the TLV/skin?
It indicates that direct or airborne contact could result in possible and significant exposure from absorption through the skin, mucous membranes, and eyes. Appropriate measures should be taken so the TLV/skin is not exceeded.
Which role in the ICS is responsible to identify and evaluate hazards and to provide direction with respect to the safety of operations for the incident?
Safety Officer
In which zone should victims be decontaminated before turning them over to EMS?
Warm Zone
What must happen with patients exposed to hazardous chemicals before medical aid can be performed?
Decontamination
What signals should be included in the pre-entry briefing in case withdrawal from the hot zone is necessary?
Evacuation signals
The IC may indicate ________ and _______ channels for communication at the incident.
Command, Tactical
The backup team must be on the same radio channel as which other team to ensure readiness and awareness?
Entry Team
Which two fire gasses are found at nearly every fire?
Carbon Monoxide and Hydrogen Cyanide
What type of sensor for monitoring gasses uses ultraviolet light to ionize the gasses that move through the sensor?
Photoionization (PID) sensor
What type of sensor for monitoring gasses are filled with a chemical reagent that reacts with a target gas to result in a meter reading?
Electrochemical sensors
What should responders do so they can function at their maximum capacity and avoid heat-related illness?
Stay hydrated
What are the three types of in-suit cooling technologies?
Forced air, ice cooled or gel packed, fluid chilled
Where are contaminated tools placed when going to be decontaminated?
Tool drop area near entrance to decontamination corridor
When are contaminated tools cleaned?
Later, after the emergency
What is the best action to handle a hazardous material situation in which the responders cannot be properly protected, or the product will evaporate quickly, cool down, or solidify?
No action
What is the control process which uses a spongy material or specially designed spill pads to soak up a liquid hazardous material?
Absorption
What is the control process in which the contaminant adheres to the surface of an added material rather than combining with it?
Adsorption
Which process of controlling hazardous materials can generate heat and condensation?
Adsorption
What are the three types of damming that may be used when liquid is flowing in a channel?
Complete dam, overflow dam, underflow dam
What are the three types of foam application?
Rain-down, roll-in, bounce-off
Which method of foam application is accomplished by directing the stream over the material and letting it gently fall to the surface of the liquid?
Rain-down
Which method of foam application is accomplished by bouncing the stream directly in front of the spill area and allowing it to gently push forward into the pool?
Roll-in
Which method of foam application is accomplished by using an object to deflect the foam stream and letting it flow down onto the burning surface?
Bounce-off
