204.01 Hazardous Materials Flashcards
What additional information should be relayed to responding units after dispatch?
The safest approach and/or best access to the incident
The dispatch center should include what information in its report to first arriving engine companies responding to a hazardous materials call?
Material name and type
Amount and size of container
Problem (leak, spill, fire, etc.)
Dangerous properties of the material
Number of persons injured or exposed
The first arriving officer will establish command and begin size-up. Command should also consider _________ whenever possible for other units.
Level 2 staging
What materials can be used to establish a safe distance for staging?
DOT guidebook
NFPA reference materials
NIOSH pocket guide
MSDS or shipping papers
The objective of the size-up is to identify the ______ and _______ of the immediate problem and to gather sufficient information to formulate a valid action plan.
Nature
Severity
Hazardous materials action plan must provide what five things?
Safety of all fire personnel
Evacuation of endangered area, if necessary
Control of situation
Stabilization of hazardous materials
Disposal or removal of hazardous materials
Hazardous materials incident has to initial zones associated with the scene, similar to fire. There are the _______ and the ______
Limited access zone
Evacuation zone
The limited access zone should be geographically described to all responding units, if possible identified by ________.
Yellow Fire line tape
The evacuation zone is the larger area surrounding the limited access zone in which a lesser degree of risk to personnel exists. All _______ should be removed from this area.
Civilians
When approaching a hazardous incident, slow down or stop to assess any visible activity taking place. Evaluate effects of _______, _______, and _______ of the situation
Wind
Typography
Location
The primary objective at hazardous material incident is to identify the _______ involved in a situation, and _______, before formulating a plan of action.
Materials involved
Hazards presented
What should you look for when trying to identify hazards?
Labels
Markers
DOT identification numbers
NFPA diamond
Shipping papers
Pre-plans
Hazmat emergencies are usually related to material _______ from the protective container or system and creating a hazard on the exterior.
Escaping
The LAZ is the area in which personnel are potentially in ______ from the hazardous condition.
Immediate danger
When toxic or irritant vapors are being carried downwind, it may be the most effective to _________.
Shelter in place, keep everyone indoors with windows and doors closed
The responsibility for safety of all potentially endangered citizens rests with whom?
Command
If a call comes from a person with particular knowledge of the hazardous situation, that person should be instructed to do what?
Meet and direct arriving units
The first arriving unit should do what things?
Establish command and begin size up
Avoid committing to a dangerous situation
Evaluate wind, topography, location of situation
Route incoming companies with a safe route
Consider level 2 staging
Hazardous materials incidents require _______ and ______ size up.
Cautious
Deliberate
In many cases, with hazardous materials what is the safest approach to these calls?
Evaluation by a hazardous materials team before committing
It may be necessary to select one method over another due to the unavailability of a particular resource or to adopt a “_______” to wait for need equipment or supplies.
Holding action
What sector will be established to control access to the LAZ?
Lobby sector
What is the definition of the evacuation zone?
The larger area surrounding the LAZ in which there is less risk to personnel
