Unit SixUnit Six

Chemical Protective Clothing Chemical Protective Clothing and Equipment (CPC&E)and Equipment (CPC&E)

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ObjectivesObjectives

Identify classification components of Chemical Identify classification components of Chemical Protective Clothing and Equipment (CPC&E)Protective Clothing and Equipment (CPC&E)

Discuss the factors that contribute to the selection Discuss the factors that contribute to the selection CPC&ECPC&E

Discuss the four levels of protectionDiscuss the four levels of protection Cite basic steps in donning and doffing a level C Cite basic steps in donning and doffing a level C

chemical protective clothingchemical protective clothing State basic steps in donning and doffing an air-State basic steps in donning and doffing an air-

purifying respiratorpurifying respirator List key procedures involved in the inspection of List key procedures involved in the inspection of

CPC&ECPC&E

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Chemical Protective Clothing & Chemical Protective Clothing & Equipment (CPC&E)Equipment (CPC&E)

Chemical Protective Clothing and Equipment Chemical Protective Clothing and Equipment (CPC&E) is worn to prevent harmful chemicals or (CPC&E) is worn to prevent harmful chemicals or agents from contacting:agents from contacting: Skin and eyes, and Skin and eyes, and Respiratory SystemRespiratory System

Provides a barrier between the body and chemicalProvides a barrier between the body and chemical Chemicals can have detrimental effects on skin and Chemicals can have detrimental effects on skin and

respiratory system during contactrespiratory system during contact Chemicals can affect target organs or organ Chemicals can affect target organs or organ

systemssystems

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Classification ComponentsClassification Components

CPC Classified by: Style, Protective Materials; and CPC Classified by: Style, Protective Materials; and Single-useSingle-use

Styles:Styles: Fully Encapsulating Chemical Protective (FECP) SuitFully Encapsulating Chemical Protective (FECP) Suit Non-encapsulating Chemical Protective (NECP) SuitNon-encapsulating Chemical Protective (NECP) Suit

Protective Materials:Protective Materials: Elastomers (plastic-like) materials, stretches, etc.Elastomers (plastic-like) materials, stretches, etc. Non-elastomers, non-stretchable fabricsNon-elastomers, non-stretchable fabrics

Single-use: Disposable garments, inexpensiveSingle-use: Disposable garments, inexpensive

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EPA Levels of ProtectionEPA Levels of Protection

Four levels of protection: A, B, C, and DFour levels of protection: A, B, C, and D Selection is based upon required protection neededSelection is based upon required protection needed Disposal chemical protective clothing isDisposal chemical protective clothing is

First choice and better alternativeFirst choice and better alternative

Types of chemical protective gloves are:Types of chemical protective gloves are: Neoprene, Nitrile, PVC, and RubberNeoprene, Nitrile, PVC, and Rubber

OSHA regulations require employee training before OSHA regulations require employee training before useuse

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Level A ProtectionLevel A Protection

Level A - Highest level Level A - Highest level of respiratory protection:of respiratory protection: SCBA; orSCBA; or Air line with an escape Air line with an escape

provisionprovision

Highest level of skin Highest level of skin protection protection

FECP (vapor tight) suit FECP (vapor tight) suit

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Level B ProtectionLevel B Protection

Level B - Highest level Level B - Highest level of respiratory of respiratory protection:protection: SCBA; orSCBA; or Air line with escape Air line with escape

provisionprovision

Lessor skin protectionLessor skin protection NECP suitNECP suit

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Level C ProtectionLevel C Protection

Level C - Level C - Lesser level of Lesser level of respirator protectionrespirator protection Air-purifying respirator,Air-purifying respirator, PAPRPAPR With appropriate With appropriate

cartridges or filter cartridges or filter elementselements

Same skin protection Same skin protection as level Bas level B

NECP SuitNECP Suit

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Level D ProtectionLevel D Protection

Level D:Level D: No respiratory or skin No respiratory or skin

protectionprotection Designed to be worn in the Designed to be worn in the

clean areaclean area

Scrub suit, cap, gown, Scrub suit, cap, gown, mask, eye protection, mask, eye protection, gloves, and rubber shoe gloves, and rubber shoe covering, where covering, where applicableapplicable

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Performance RequirementsPerformance Requirements

Chemical ResistanceChemical Resistance StrengthStrength FlexibilityFlexibility Thermal LimitsThermal Limits CleanabilityCleanability LifetimeLifetime VisibilityVisibility CostCost

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Chemical Resistance TermsChemical Resistance Terms

Degradation --- Results from Chemical ReactionDegradation --- Results from Chemical Reaction Penetration --- Leakage Due to Design FaultsPenetration --- Leakage Due to Design Faults Permeation --- A Chemical Liquid or vapor has Moved Permeation --- A Chemical Liquid or vapor has Moved

Through the Protective Materials on a Molecular LevelThrough the Protective Materials on a Molecular Level

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PermeationPermeation

Contact of Chemical at Outside SurfaceContact of Chemical at Outside Surface Diffusion of Chemical Through MaterialDiffusion of Chemical Through Material Chemical Passes Through to the Inside SurfaceChemical Passes Through to the Inside Surface

Material or Fabric

Chemical Chemical

Outer Surface Inside Surface