Chapter 25 - HAZMAT Action and response Flashcards
What three tools can be used when setting up a barrier?
Cones, ropes and barrier tape
What is the number one consideration when going into a dangerous situation?
Risk to rescuer
Situational awareness during a hazmat incident is a continuous process that includes:
-Size up
-Interpreting signs
-Assessing what is happening over life of the incident
-Predicting outcomes based on plan of action
What are the three levels of situational awareness:
1.Perception
2. Comprehension
3. Application
A leak from a domestic natural gas line on the consumer side of the meter is what level of incident?
Level I
Decontamination on a large scale is what level of incident ?
Level III
What are the three operation strategies of a hazmat incident?
Nonintervention - Allow the incident to run it’s course
Defensive - Provide confinement of the hazard to given area
Offensive - Includes actions
What are the three strategic selection factors?
-Risk to responder
-Level of training
-Resources available
When explosions are imminent, what operation strategy should be used?
Nonintervention
Isolating the hazard area and denying entry fall into which operation strategy?
Defensive
Using technology, information, science to mitigate hazmat scenes is known as a…..
Risk based response
What are two things staging can minimize on the scene?
Confusion and freelancing
In which zone should staging happen?
Cold zone
For large scale evacuations, what 4 factors must IC address?
Notification
Transportation
Relocation facilities and temporary shelters
Reentry
When communicating in an isolation zone, you should always use ________ safe communication equipment
Intrinsically
What is the most toxic chemical warfare agent?
Nerve agent
True or false?
Odour is a safe indicator of a hazard
FALSE, not safe
What three blood agents should you be the most common with:
Arsine
Hydrogen cyanide
Cyanogen chloride
What are the two most common choking agents:
Chlorine and phosgene
What are 4 ways biological agents can be transmitted:
Aerosolization, food, water, insects
Grabbing a door handle is what form of disease transmission?
Indirect contact
Getting bit by a mosquito is what form of transmission?
Transmission by vector
What is the only way to confirm if radiation is present at an incident?
Radiological monitering equipment
What kind of cloud may be an indicator of a nuclear attack?
Mushroom cloud
What are the 4 indicators of when to withdraw during an evaluation process?
Temperature change
Pressure change
Sounds of relief (device activation)
Sudden increase in flames
Which level of incident will be within the capabilities of first responders having jurisdiction?
Level I
Because it’s the least serious and easiest to handle
What are the two main product control strategies?
Spill control and leak control
Recovery actions and deciding when to withdraw are part of:
Evaluating progress
T of F
Level II incidents may require the services of a formal hazmat response team
True
Basically for a level II incident , you need a properly trained and equipped team (beyond capabilities of first responders)
What are the three main resources needed for a Level III incident?
-Unified command
- Provincial agencies
- Private industry agencies
