Respiratory Protection. Why respiratory protection is necessary Air contaminants/hazardous atmospheres come from a variety of sourcesAir contaminants/hazardous

Respiratory Respiratory ProtectionProtection

Why respiratory protection Why respiratory protection is necessaryis necessary

• Air contaminants/hazardous Air contaminants/hazardous atmospheres come from a atmospheres come from a variety of sourcesvariety of sources• dustsdusts• aerosol aerosol

mistsmists• metal metal

fumesfumes

1a

• Air contaminants/hazardous Air contaminants/hazardous atmospheres come from a atmospheres come from a variety of sourcesvariety of sources• evaporated vaporsevaporated vapors• released gasesreleased gases• oxygen-deficient oxygen-deficient

atmospheresatmospheres

1b


• Many operations generate air Many operations generate air contaminantscontaminants• filling bins with flourfilling bins with flour• degreasing metal degreasing metal

partsparts• spraying operationsspraying operations• weldingwelding

1c


• Find out how much Find out how much contaminant is in contaminant is in the airthe air

• Test the air to find Test the air to find out what the out what the exposures areexposures are

1d


• If results show an overexposure, If results show an overexposure, take steps to control the take steps to control the hazardhazard• engineering engineering

controlscontrols• administrative administrative

controlscontrols• 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


• Air-purifyingAir-purifying• filterfilter• canister or cartridgecanister or cartridge

2b


• Air-purifyingAir-purifying• negative pressurenegative pressure• powered air-purifyingpowered air-purifying

2c

Fit, usage, and maintenanceFit, usage, and maintenance

• 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

• 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-one trained, rescue-

equipped employee must equipped employee must remain outsideremain outside

• an attendant must an attendant must maintain communication maintain communication contactcontact

3b


• During interior structural During interior structural firefightingfirefighting• at least 2 employees at least 2 employees

with SCBA must enter with SCBA must enter together and stay in together and stay in contact with each othercontact with each other

• at least two people at least two people trained and equipped trained and equipped for rescue must remain for rescue must remain outsideoutside

3c



• A dirty, inoperative respirator A dirty, inoperative respirator will not protect youwill not protect you

3d

Inspection, donning, Inspection, donning, doffing respiratorsdoffing respirators• Inspect respirators before each Inspect respirators before each

use and during cleaninguse and during cleaning

• Inspect SCBAs Inspect SCBAs monthly and monthly and keep cylinders keep cylinders fully chargedfully charged

4a

Inspection, donning, Inspection, donning, doffing respiratorsdoffing respirators• Emergency-use respirators:Emergency-use respirators:

• inspect monthlyinspect monthly• tags must show tags must show

inspection resultsinspection results

• Follow instructions to inspect Follow instructions to inspect and don/doff equipmentand don/doff equipment

4b

Inspection, donning, Inspection, donning, doffing respiratorsdoffing respirators• Perform seal checks after Perform seal checks after

donning respiratordonning respirator• positive pressure testpositive pressure test• negative pressure testnegative pressure test• review Appendix B-1review Appendix B-1

• Never enter a work Never enter a work area without a good area without a good respirator sealrespirator 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 cleaned before each useeach 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 Only use manufacturer’s manufacturer’s replacement partsreplacement parts

5b

Cleaning, maintenance, Cleaning, maintenance, and storageand storage

Storage helps prevent respirators from:Storage helps prevent respirators from:• DamageDamage• ContaminationContamination• DustDust• SunlightSunlight• Temperature Temperature

extremesextremes

• Excessive Excessive moisturemoisture

• ChemicalsChemicals• Deformation of Deformation of

the facepiecethe facepiece

5c

Responding to emergenciesResponding to emergencies

• If the respirator malfunctions, If the respirator malfunctions, immediately leave the work areaimmediately leave the work area

• Activate auxiliary self-Activate auxiliary self-contained air supplycontained air supply

6a

• 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



• Some employees must be Some employees must be trained and authorized to trained and authorized to respond to emergency situationsrespond to emergency situations• confined space rescueconfined space rescue• release of hazardous release of hazardous

chemicalschemicals• interior structure interior structure

firefightingfirefighting

6c

Medical signs and symptomsMedical signs and symptoms

• Know how to recognize and Know how to recognize and report medical signs and report medical signs and symptoms that may limit or symptoms that may limit or prevent the effective prevent the effective use of respiratorsuse of respirators

• Shortness of breathShortness of breath

• DizzinessDizziness

7a

• CoughingCoughing

• WheezingWheezing

• Chest painChest pain

7b


• Chest Chest injuriesinjuries

• Lung Lung diseasesdiseases

• Cardiovascular conditionsCardiovascular conditions

7c


• Heart conditionsHeart conditions

• Review Appendix C: OSHA Review Appendix C: OSHA Respirator Medical Respirator Medical Evaluation Evaluation QuestionnaireQuestionnaire

7d


Documents

Respiratory Protection. Why respiratory protection is necessary Air contaminants/hazardous atmospheres come from a variety of sourcesAir contaminants/hazardous