ig lesson 07 ppe. aug 07 rev2.ppt
TRANSCRIPT
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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!