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CBRN Transition TECH 2
Terms in this set (28)
Steps for Determining Response Objectives are based on:
•Stage of the Incident.
Two principles apply to determine response objectives:
- One cannot influence events that have already happened or change the outcomes of those events.
- The earlier an event sequence can be interrupted, the more acceptable the loss.
The following steps should be taken when determining response objectives
- Estimate the exposures that could be saved.
- Determine the response objectives.
What should decisions focus on changing the actions of? (3 items)
•The containment system.
The hazardous material
How to change applied stress?
•Move stressed system.
•Shield stressed system.
How to change breach size?
•Limit stress levels.
•Activate venting devices.
Response objectives to change to quantity released?
•Change container position.
•Minimize pressure differential.
•Cap off breach.
Response objectives to change the size of the danger zone?
•Barriers (dikes and dams).
Response objectives to change exposures contacted?
•Personal protective equipment.
Response objectives to change severity of harm?
•Rinse off contamination.
•Increase distance from source.
•Provide prompt medical attention.
What are the 3 type of action options?
Offensive, defensive, and nonintervention
Most vital part of any PPE ensemble used at HAZMAT/WMD incidents?
Who certifies SCBAs?
The mandatory respiratory standard in the U.S.?
OSHA 29 CRF 1910.134
Two types SCBA currently manufactured in closed- or open-circuit designs?
Respiratory protection system that has a 300 ft air supply hose
Supplied Air Respirator (SAR)
Emergency Breathing Support System (EBSS) provides enough air for the user to escape a hazardous atmosphere? How much air does it hold?
usually 5, 10, or 15 minutes worth
Responders should be able to answer the following questions before deciding to use APRs for protection at an incident:
•What is the hazard?
•What is the oxygen level?
•Is the hazard a vapor or gas?
•Is the hazard a particle or dust?
•Is there some combination of dust and vapors present?
•What concentrations are present?
•Does the material have a taste or smell?
True or False: APRs and PAPRs can be worn in an IDLH atmosphere.
What PPE is meant to shield or isolate individuals from hazards that may be encountered during hazardous materials operations?
Chemical Protective Clothing (CPC)
What NFPA standard sets the minimum design criteria for one type of liquid splash-protective clothing?
What level of PPE provides the greatest degree of protection against respiratory, eye, or skin damage from hazardous vapors, gases, particulates, sudden splash, immersion, or contact with hazardous materials?
Three factors that can reduce CPC's effectiveness and must be considered when choosing and using protective ensembles?
Permeation, Degradation, Penetration
Process that occurs when a chemical passes through a fabric on molecular level
Occurs when characteristics of a material are altered through contact with chemical substances
Process that occurs when a hazardous material enters an opening of puncture in a protective material
To achieve adequate protection, an ensemble is typically used, consisting of:
- Respiratory Equipment
Level of PPE worn when the atmosphere contains no hazard.
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