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HCN 93ppm - A.AVI

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Uploaded by on Nov 13, 2010

FIREFIGHTER DANGERS:
This is the residual HYDROGEN CYANIDE (HCN), in the ambient air, a few feet from a flashover container.
Go to www.FireSmoke.org for more information about the specific dangers of fire smoke.

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  • Immediately Dangerous to Life an Health (IDLH)

    IDLH for Carbon monoxide is 1200 Parts Per Million (PPM)

    IDLH for Hydrogen Cyanide is 50 PPM

    IDLH's ONLY apply when a dangerous or toxic substance is by itself.

    In the case of fire smoke there are a myriad of toxic substances working together.

    One of which is Hydrogen Cyanide (HCN)

    Conclusion is that the presents of HCN and CO, as in the case of all fire smoke, is an IDLH no matter what the reading.

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