ig lesson 07 ppe. aug 07 rev2.ppt

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    Lesson 7Personal Protective Equipment

    Intermediate Level

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    Objectives:

    Describe the design, limitations and functionality of PPEand the three types of respiratory protection.

    Describe the properties, characteristics, limitations andhealth concerns related to PPE uses Describe Level A and CBRN PPE and how they are used

    at CBRN scenes. PPE selection and the transitional stage Don and doff CBRN and other PPE Maintain and decontaminate the C4 respirator

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    Three Types of Respiratory Protection

    Picture Provided byAirboss Defense

    Pictures Provided by InternationalSafety Instruments

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    How the APR filter works

    (SORROUNDIN

    G AIR)

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    What is an ACTIVATED CARBON

    Made from coal or charcoal (wood or coconut shell) Purified using high temperature steam

    Filled with tiny holes One teaspoonful will cover an area of a football field Surface has the property to attract many kinds of organic

    molecules Ideal for filtering out harmful chemicals from water and air Activated carbon has the strongest physical adsorption

    forces or the highest volume of adsorbing porosity of anymaterial known to mankind.

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    The reason that activated carbon is such an effective adsorbent materialis due to its large number of cavernous pores. These provide a large surfacearea relative to the size of the actual carbon particle and its visible exteriorsurface. An approximate ratio is 1 gram = 100 m 2 of surface area (Hoehn, 1996).

    Scanning Electron Microscope Images of Pores

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    Level A Fully Encapsulated Suit

    Picture Provided byDupont PersoalProtection

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    Level B Chemical Protective Coverall and Suit

    Pictures Provided by Dupont PersonalProtection

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    Level C Chemical Protective Coverall

    Picture Provided byDupont PersonalProtection

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    Level D Protection

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    SRS-5 Bomb SuitWith SupplementalCBRN Capability

    CBRN Bomb Suit

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    Chemical Protective Undergarment

    Picture Provided byLanx Fabric Systems.

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    One Piece Coverall DesignCBRN PPE with C4 respirator

    and C7 Canister

    Two Piece Design CBRNPPE With C4 Respirator

    and C7 Canister

    Military Style CBRN PPE

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    Selecting the right PPE

    Is adequate protection achieved?How vigorous is the physical activity associated to the task?How long will it take to complete the task?Is the support required by technicians wearing the PPE adequate?Can the task be performed within restrictions?

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    Selecting the Correct PPELEVEL A PPE Transition to CBRNE PPE

    Downgrade to

    LEVEL B PPE

    Downgrade to

    LEVEL C PPE

    downgrade to

    LEVEL D PPE

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    PPE Used in Radiological Contaminated Environments Minimum PPE requires Tyvek Suit with Full Face Respirator

    and Gloves

    Respirator may be removed after it is determined there areno airborne hazards PPE that is used in a radiological contaminated environment

    become radioactive waste and must be dealt with

    appropriately

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    Important Caution

    PPE does not offer protection without cost The higher the level, the greater the cost

    PPE can be uncomfortable, heavy, hot, dehydrating,inflexible, and limit the full use of senses

    It is critical to find the balance between the needed level ofprotection and ability to perform needed tasks

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    Heat Stress Critical Safety Issue

    Hydration - replace body fluids - 250 to 500 mls of fluids before donningPPE with 0.1 % salt solution or commercial type electrolyte mixes

    Pre and post entry medicals - screening and monitoring of respondersby EMS

    Body cooling devices - i.e. ice vests Utilizing portable showers to cool down internal temperatures within

    CPC Rotating personnel Establishing rehab facility with air conditioning

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    Salamat!