_______ factors play an important role in control operations at all emergency incidents.
Time
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Factors that increase time on HM/WMD incidents:
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It often takes several _________ to control a HM/WMD incident, and may take ______ or _______ to completely clean up a contaminated site.
entries / days or weeks
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Time factors:
The establishment of a _________ Officer early in the incident is critical. The _________ Officer will work with shippers, manufacturers, plant personnel, carriers, and other agencies that will arrive soon after the incident begins.
Liaison / Liaison
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Historically, hazardous materials response has been _________ based. __________ based means that actions of responders were tightly driven by SOPs or SOGs.
Procedure / procedure
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______-based response is a systematic process by which responders analyze a problem involving HM/WMD, assess the hazards, evaluate the risk, and determine appropriate response actions based on fact, science and the circumstances of the incident.
Risk-based
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______ _____________ has been described as the study of threats, vulnerabilities, likelihood, and consequences.
Risk assessment
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Four components of risk for HM/WMD:
Threats / Hazards
Vulnerability
Likelihood of occurrence
Consequences
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Threats/Hazards
This component of risk can be broken into C________, B_________, R____________, N__________, E___________ (CBRNE) as types of hazards.
Chemical, Biological, Radiological, Nuclear, Explosive
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Threats/Hazards
The ________ of an incident can affect the threat to responders. ________ can be broken down into accidental, malfeasance, illicit, or intentional.
cause / cause
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Vulnerability
The types of harm can be defined as __________.
TRACEME
Thermal Radiological Asphyxiate Chemical Etiological Mechanical Electrical p67
Vulnerability
Protective measures can be broken down into ______, _________, ___________ and ___________. (TDS&D)
Time, Distance, Shielding and Detection
(TDS&D)
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Vulnerability
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This component of risk can be very subjective. The facts, science and circumstances of the incident must be considered. The experience of the decision maker is critical for this component ?
Likelihood Occurence
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This component of risk is also subjective and should include the consideration of loss of life and property ?
Consequences
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____________ is an abbreviation for the seven ways that hazardous materials can harm the human body.
TRACEME * Thermal Harm * Radiological Harm * Asphyxiative Harm * Chemical Harm * Etiological Harm * Mechanical Harm * Electrical Harm p 68
_________ harm consists of exposure to extreme heat or cold.
Thermal
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___________ is a process in which unstable atoms emit excess energy from their nucleus.
Radiation
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There are four different types of radiation:
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Radiation
- The heaviest type of radiation, a particle made up of two protons and two neutrons. Cannot penetrate skin but it is extremely dangerous if eaten or inhaled.
Alpha
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Radiation
- Small particle radiation made up of a single electron. Hard to penetrate skin, but is also harmful if ingested or inhaled.
Beta
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Gamma
p 68
Radiation
- Consists of free neutrons moving through space. Can make atoms radioactive.
Neutron
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____________ agents interfere with oxygen flow, causing suffocation.
Asphyxiative
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