Chapter 11 Flashcards
The smoke plume must be considered when the incident commander designates the hot zone at an operation.
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There are three primary ways in which airborne harmful substances produced by fires can make their way into the body, via inhalation, via skin absorption, and via the mouth.
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Firefighters should be aware of good hygiene practices to minimize their exposure to harmful substances both on scene and post-incident.
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Firefighters can protect themselves to a great extent by limiting exposure and conducting fireground decontamination.
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A critical on-scene tactical consideration is setting up decontamination and rehabilitation areas.
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Gross on scene decontamination of PPE and firefighting equipment should be undertaken in the warm zone prior to PPE or equipment being removed to the cold zone and placed back on the fire appratus.
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The incident commander should take into account the travel of the smoke plume when designating the perimeter of the hot zone.
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Chemicals found on the fireground pose an immediate threat to the respiratory tract if SCBA is not worn and there is a latent threat through cutaneous exposure.
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On returning to quarters, firefighters should ensure gear is cleaned in accordance with Chapter 7 of NFPA 1851 immediately after the fire has been extinguished and firefighting operations have concluded.
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Strict use of all PPE must continue in the post-control phase of operations in the hot zone.
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Significant physical exertion is required during overhaul operations, increasing metabolic heat generation inside the PPE.
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Dust found inside apparatus has been found to be significantly contaminated.
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Apparatus windows left open during a working fire can result in smoke transport through the cab, which can deposit on surfaces.
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Thorough body washing with hot water should begin once all visible traces of soot have been removed.
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Initial decontamination of all PPE can be completed with a 1 inch hose line utilizing a 10 to 40 gpm nozzle or a garden hose.
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10-minute self-rehabilitation after working for 30 minutes on SCBA cylinder or 20 minutes of intense work.
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