Level C zLimited level of respiratory and skin protection from airborne hazards zFull-face canister...
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![Page 1: Level C zLimited level of respiratory and skin protection from airborne hazards zFull-face canister respirator (APR) zChemical-protective clothing with.](https://reader035.fdocuments.net/reader035/viewer/2022062511/5519eba5550346d67b8b4b81/html5/thumbnails/1.jpg)
Level CLevel C
Limited level of respiratory and skin Limited level of respiratory and skin protection from airborne hazardsprotection from airborne hazards
Full-face canister respirator (APR)Full-face canister respirator (APR)Chemical-protective clothing with Chemical-protective clothing with
hoodhood Inner and outer glovesInner and outer glovesChemical-resistant shoesChemical-resistant shoesOptional items like hard hat, boot Optional items like hard hat, boot
and glove covers, and possibly a and glove covers, and possibly a five-minute escape packfive-minute escape pack
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Level DLevel D
No respiratory and limited skin protectionNo respiratory and limited skin protectionDisposable coverallsDisposable coveralls Safety shoesSafety shoes Safety glasses or gogglesSafety glasses or gogglesHard hatHard hatGlovesGlovesOptional: five-minute escape pack for Optional: five-minute escape pack for
emergency egressemergency egress
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Limitations of PPELimitations of PPE
Impairs mobility, vision, and communicationImpairs mobility, vision, and communication Incompatible with other PPEIncompatible with other PPEProblems with mask fit (facial hair, dentures, Problems with mask fit (facial hair, dentures,
glasses, caps, 10% body weight change)glasses, caps, 10% body weight change)Heat stressHeat stressCan cause physical and psychological stressCan cause physical and psychological stressHinders work performance and active work Hinders work performance and active work
timetime
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Respiratory ProtectionRespiratory Protection
Atmospheric hazardsAtmospheric hazards Gases/VaporsGases/Vapors ParticulatesParticulates Oxygen deficiencyOxygen deficiency
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Mask Fit TestsMask Fit Tests
QuantitativeQuantitative Pass/fail pressure test using test agentPass/fail pressure test using test agent
QualitativeQualitative Smoke testSmoke test
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Types of RespiratorsTypes of Respirators
Air-purifying respirators (APR/PAPR) Air-purifying respirators (APR/PAPR) Continuous flow respiratorsContinuous flow respiratorsAtmosphere-supplying respirators (SAR)Atmosphere-supplying respirators (SAR)
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Air-Purifying RespiratorsAir-Purifying Respirators
Utilize “purified” ambient air through a Utilize “purified” ambient air through a filtering element or absorbent cartridgefiltering element or absorbent cartridge
Negative pressure respiratorsNegative pressure respirators
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Air-Purifying RespiratorsAir-Purifying Respirators
LimitationsLimitations Atmosphere that is “Immediately Dangerous to Life Atmosphere that is “Immediately Dangerous to Life
and Health” (IDLH)and Health” (IDLH) Entry into area or confined space where exposure Entry into area or confined space where exposure
conditions have not been characterizedconditions have not been characterized Inadequate warning properties of identified gases or Inadequate warning properties of identified gases or
vaporsvapors Unknown service life of sorbent materials in respirator Unknown service life of sorbent materials in respirator
cartridgescartridges High relative humidityHigh relative humidity
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Air-Purifying RespiratorsAir-Purifying Respirators
DisadvantagesDisadvantages Limited duration of protectionLimited duration of protection Limited protection Limited protection Constant monitoringConstant monitoring Detectable hazards onlyDetectable hazards only
CharacteristicsCharacteristics Chemical cartridgesChemical cartridges Mechanical filtersMechanical filters
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Air-Supplying Respirators Air-Supplying Respirators
Air-line with escape SCBAAir-line with escape SCBA Self-contained breathing apparatus Self-contained breathing apparatus
(SCBA)(SCBA) LimitationsLimitations
The maximum MSHA/NIOSH approved The maximum MSHA/NIOSH approved hose length is 300 feethose length is 300 feet
Mobility impairmentMobility impairment The air lines are vulnerable to damage, The air lines are vulnerable to damage,
contamination, or degradationcontamination, or degradation The worker needs to retrace steps when The worker needs to retrace steps when
leaving the work arealeaving the work area Someone needs to supervise and monitor Someone needs to supervise and monitor
the air supplythe air supply
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Continuous Flow RespiratorsContinuous Flow Respirators
Powered-air purifying respirator (PAPR)Powered-air purifying respirator (PAPR) Continuous flow of filtered air to the facepieceContinuous flow of filtered air to the facepiece
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Air-Purifying RespiratorsAir-Purifying Respirators
Warning properties areessential
to safe use of air-purifying respirators since they allow
detection of contaminant breakthrough should it occur
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Air-Purifying RespiratorsAir-Purifying Respirators
RESPIRATOR CARTRIDGES/FILTERS
COLOR APPROVED FORBlack Organic VaporsYellowYellow Organic Vapors and Acid GasesWhiteWhite Acid GasesGreenGreen Ammonia and MethylaminePurplePurple HEPA, Dusts, Fumes and MistsOrangeOrange stripestripe for Dusts, Fumes and Mists in
combination with vapor or gas
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Air-Purifying RespiratorsAir-Purifying Respirators
APF Respirator
10 Half-facepiece Respirator with Vapor Cartridge or Filter
50 Full-facepiece Respirator with Vapor Cartridge or Filter
1,000 Full-facepiece Supplied Air Respirator operated in Pressure - demand mode.
1,000 to Full-facepiece Self-contained 10,000 breathing apparatus operated in
Pressure demand mode
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DecontaminationDecontamination
PurposePurpose To protect workers from contaminantsTo protect workers from contaminants Removes or neutralizes contaminants that Removes or neutralizes contaminants that
have accumulated on personnel and have accumulated on personnel and equipmentequipmentProtective clothingProtective clothingRespiratory protection equipmentRespiratory protection equipmentTools and instrumentsTools and instrumentsVehiclesVehiclesOther fixed facility equipmentOther fixed facility equipment
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DecontaminationDecontamination
Types of ContaminationTypes of Contamination Surface- Remains on the surfaceSurface- Remains on the surface Permeated- Go into or throughPermeated- Go into or through
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DecontaminationDecontamination
Rate of Permeation FactorsRate of Permeation Factors
Contact timeContact time
ConcentrationConcentration
TemperatureTemperature
Contaminant Molecule SizeContaminant Molecule Size
Physical State of ContaminationPhysical State of Contamination
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Decontamination MethodsDecontamination Methods
Physical removalPhysical removalChemical removalChemical removalCombination methodsCombination methods
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Equipment DecontaminationEquipment Decontamination
Degree of contaminationDegree of contaminationNon-cleanable partsNon-cleanable partsDiscardedDiscarded
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Equipment DecontaminationEquipment Decontamination
Hand toolsHand toolsTables, shelves and palletsTables, shelves and palletsLarge equipmentLarge equipment