Ch 4
Which physical state is material likely to be least mobile
Solid
What are the three common stressors at hazmat incidents involving pressure containers?
Thermal, chemical, and mechanical energy
Which level of situational awareness can be described as applying our knowledge and past experiences to our perception and developing an understanding of the situations meaning?
Level 2: Comprehension
Gathering pre incident information may help responders in-
District familiarization, building permits, and inspections
What is the manageable span of control recommended by the ICS”
1:5
Operational principles of decontamination, ”Contain it” refers to:
Preventing cross-contamination
When flames contact a tank shell above its liquid level, what may happen?
BLEVE (boiling liquid expanding vapor explosion)
Pressure tanks have pressures of:
15psi or greater
An abandon container is also known as
Orphan container
Environmental conditions can hep predict what
Where the material may go
What is emergency decontamination
Removing life-threatening contaminants from the victim as quickly as possible without regard to the environment or property
What are the three types of deacon performed at hazmat incidents?
Emergency, Mass,Technical
Two liquids or gases are miscible if they __________
mix or dissolve into each other in any proportion.
You see a trailer with individual steel cylinder stacked and mounted together, what is being transported?
Compressed gas
This type of terrorist attack is likely to cause delayed symptoms
Biological
What incident level is usually the least serious and easiest to handle?
Level 1
What should responders do when an emergency signal is transmitted?
Stop transmitting and listen for emergency traffic
Most often used decon approach for liquid products
High volume, low pressure water shower
Flammable or explosive
Miscellaneous railroad car types include:
Boxcars & Gondolas
What is a TIM?
Toxic Industrial Material
What are the three modes of operaions?
Nonintervention, Defensive, and Offensive
What is the recovery stage of a hazmat incident
The returning of the incident scene and responders to a preincident level of readiness
A danger associated with wet decon in freezing weather may be:
Run off water can freeze creating a slip and fall hazard
How can you get immediate technical assistance at a hazmat incident before any backup arrives?
Call an emergency response communication center
In order to keep the liquids and gases flowing in a network of high pressure pipelines, the pressure in the main has to _________
Be increased
What is a PBIED
Person-Borne Improvised Explosives Device
What are incident objectives?
Broad statements of what must be done to resolve an incident
Radio communications on an emergency scene should be:
Clear Concise and Confident
The decon site should be where
Upwind, uphill, and upstream of the hot zone