Respiratory Protection. Why respiratory protection is necessary v Air contaminants/hazardous atmospheres come from a variety of sources DustsDusts Aerosol.

Respiratory Respiratory ProtectionProtection

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


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


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


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


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


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 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


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


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


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


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


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


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


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


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 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


CoughingCoughing

WheezingWheezing

Chest painChest pain

7b


Chest injuriesChest injuries

Lung diseasesLung diseases

Cardiovascular Cardiovascular conditionsconditions

7c


Heart conditionsHeart conditions

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

7d

RegulationsRegulations

Review the main paragraphs (a Review the main paragraphs (a through o) of 29 CFR 1910.134through o) of 29 CFR 1910.134

8a

Respiratory Protection. Why respiratory protection is necessary v Air contaminants/hazardous atmospheres come from a variety of sources DustsDusts Aerosol.

Documents

instructionsif respirators

inoperative respirator

respirator malfunctions

air contaminantsfilling

doffing respiratorsemergency

good respirator seal4ccleaning

usereview appendix b

rescueequipped employee