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Why respiratory protection Why respiratory protection is necessaryis necessary
Air contaminants/hazardous Air contaminants/hazardous atmospheres come from a variety atmospheres come from a variety of sourcesof sources• DustsDusts• Aerosol mistsAerosol mists• Metal fumesMetal fumes
1a
Why respiratory protection Why respiratory protection is necessaryis necessary
Air contaminants/hazardous Air contaminants/hazardous atmospheres come from a variety atmospheres come from a variety of sourcesof sources• Evaporated vaporsEvaporated vapors• Released gasesReleased gases• Oxygen-deficient Oxygen-deficient
atmospheresatmospheres
1b
Why respiratory protection Why respiratory protection is necessaryis necessary
Many operations generate air Many operations generate air contaminantscontaminants• Filling bins with flourFilling bins with flour• Degreasing metal partsDegreasing metal parts• Spraying operationsSpraying operations• WeldingWelding
1c
Why respiratory protection Why respiratory protection is necessaryis necessary
Find out how much contaminant is Find out how much contaminant is in the airin the air
Test the air to find Test the air to find out what the out what the exposures areexposures are
1d
Why respiratory protection Why respiratory protection is necessaryis necessary
If results show an overexposure, If results show an overexposure, take steps to control the hazardtake steps to control the hazard• Engineering controlsEngineering controls• Administrative controlsAdministrative controls• PPEPPE
1e
Respirator typesRespirator types
Atmosphere-supplyingAtmosphere-supplying• Supplied airSupplied air• Self-contained breathing apparatus Self-contained breathing apparatus
(SCBA)(SCBA)• DemandDemand• Positive pressurePositive pressure• Escape-onlyEscape-only
2a
Respirator typesRespirator types
Air-purifyingAir-purifying
• FilterFilter
• Canister or cartridgeCanister or cartridge
2b
Respirator typesRespirator types
Air-purifyingAir-purifying
• Negative pressureNegative pressure
• Powered air-purifyingPowered air-purifying
2c
Fit, usage, and Fit, usage, and maintenancemaintenance
Employees must pass a fit testEmployees must pass a fit test• Quantitative fitQuantitative fit• Qualitative fitQualitative fit
Use the respirator as it was Use the respirator as it was designeddesigned
3a
Fit, usage, and Fit, usage, and maintenancemaintenance
Follow operating instructionsFollow operating instructions
If respirators are used to enter an If respirators are used to enter an IDLH atmosphere:IDLH atmosphere:• one trained, rescue-equipped one trained, rescue-equipped
employee must remain outsideemployee must remain outside• an attendant must maintain an attendant must maintain
communication contactcommunication contact
3b
Fit, usage, and Fit, usage, and maintenancemaintenance
During interior structural During interior structural firefightingfirefighting• at least 2 employees with SCBA must at least 2 employees with SCBA must
enter together and stay in contact enter together and stay in contact with each otherwith each other
• at least two people trained and at least two people trained and equipped for rescue must remain equipped for rescue must remain outsideoutside
3c
Fit, usage, and Fit, usage, and maintenancemaintenance
A dirty, inoperative respirator will A dirty, inoperative respirator will not protect younot protect you
3d
Inspection, donning, Inspection, donning, doffing respiratorsdoffing respirators
Inspect respirators before each use Inspect respirators before each use and during cleaningand during cleaning
Inspect SCBAs monthly and keep Inspect SCBAs monthly and keep cylinders fully chargedcylinders fully charged
4a
Inspection, donning, Inspection, donning, doffing respiratorsdoffing respirators
Emergency-use respirators:Emergency-use respirators:• inspect monthlyinspect monthly• tags must show inspection resultstags must show inspection results
Follow manufacturer’s instructions Follow manufacturer’s instructions for donning/doffing equipmentfor donning/doffing equipment
4b
Inspection, donning, Inspection, donning, doffing respiratorsdoffing respirators
Perform seal checks after donning Perform seal checks after donning respiratorrespirator• Positive pressure testPositive pressure test• Negative pressure testNegative pressure test• Review Appendix B-1Review Appendix B-1
Never enter a work area without a Never enter a work area without a good respirator sealgood respirator seal
4c
Cleaning, maintenance, Cleaning, maintenance, and storageand storage
Respirators must be cleaned to Respirators must be cleaned to remove contaminants/prevent remove contaminants/prevent irritationirritation
Shared respirators must be Shared respirators must be cleaned before each usecleaned before each use
5a
Cleaning, maintenance, Cleaning, maintenance, and storageand storage
Emergency-use respirators must Emergency-use respirators must be cleaned after each usebe cleaned after each use
Review Appendix B-2 for Review Appendix B-2 for cleaning/disinfecting instructionscleaning/disinfecting instructions
Only use manufacturer’s Only use manufacturer’s replacement partsreplacement parts
5b
Cleaning, maintenance, Cleaning, maintenance, and storageand storage
DamageDamage ContaminationContamination DustDust SunlightSunlight Temperature Temperature
extremesextremes
Excessive Excessive moisturemoisture
ChemicalsChemicals Deformation of Deformation of
the facepiecethe facepiece
Storage helps prevent Storage helps prevent respirators from:respirators from:
5c
Responding to Responding to emergenciesemergencies
If the respirator malfunctions, If the respirator malfunctions, immediately leave the work areaimmediately leave the work area
Activate auxiliary self-contained air Activate auxiliary self-contained air supplysupply
6a
Responding to Responding to emergenciesemergencies
If a sudden hazardous release If a sudden hazardous release occurs, don emergency escape-occurs, don emergency escape-only respirators as you only respirators as you exit the areaexit the area
6b
Responding to Responding to emergenciesemergencies
Some employees must be trained Some employees must be trained and authorized to respond to and authorized to respond to emergency situationsemergency situations• Confined space rescueConfined space rescue• Release of hazardous chemicalsRelease of hazardous chemicals• Interior structure firefightingInterior structure firefighting
6c
Medical signs and Medical signs and symptomssymptoms
Know how to recognize and report Know how to recognize and report medical signs and symptoms that medical signs and symptoms that may limit or prevent the effective may limit or prevent the effective use of respiratorsuse of respirators
Shortness of breathShortness of breath
DizzinessDizziness
7a
Medical signs and Medical signs and symptomssymptoms
CoughingCoughing
WheezingWheezing
Chest painChest pain
7b
Medical signs and Medical signs and symptomssymptoms
Chest injuriesChest injuries
Lung diseasesLung diseases
Cardiovascular Cardiovascular conditionsconditions
7c
Medical signs and Medical signs and symptomssymptoms
Heart conditionsHeart conditions
Review Appendix C: OSHA Review Appendix C: OSHA Respirator Medical Respirator Medical Evaluation Evaluation QuestionnaireQuestionnaire
7d