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Respiratory Protection

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					Respiratory
Protection
Why respiratory protection
is necessary

    contaminants/hazardous
 Air
 atmospheres come from a
 variety of sources
  • Dusts
  • Aerosol mists
  • Metal fumes



                             1a
Why respiratory protection
is necessary

    contaminants/hazardous
 Air
 atmospheres come from a
 variety of sources
  • Evaporated vapors
  • Released gases
  • Oxygen-deficient
    atmospheres


                             1b
Why respiratory protection
is necessary

 Manyoperations generate air
 contaminants
 •   Filling bins with flour
 •   Degreasing metal parts
 •   Spraying operations
 •   Welding



                                1c
Why respiratory protection
is necessary

 Find out how much contaminant
 is in the air

 Testthe air to find
 out what the
 exposures are



                             1d
Why respiratory protection
is necessary

 Ifresults show an
  overexposure, take steps to
  control the hazard
  • Engineering controls
  • Administrative controls
  • PPE



                                1e
Respirator types
 Atmosphere-supplying
 • Supplied air
 • Self-contained breathing apparatus
   (SCBA)
 • Demand
 • Positive pressure
 • Escape-only


                                   2a
Respirator types
 Air-purifying


  • Filter

  • Canister or cartridge




                            2b
Respirator types
 Air-purifying


  • Negative pressure


  • Powered air-purifying




                            2c
Fit, usage, and
maintenance
 Employees   must pass a fit test
 • Quantitative fit
 • Qualitative fit


 Usethe respirator as it was
 designed


                                     3a
Fit, usage, and
maintenance
 Follow   operating instructions

 Ifrespirators are used to enter
  an IDLH atmosphere:
  • one trained, rescue-equipped
    employee must remain outside
  • an attendant must maintain
    communication contact

                                    3b
Fit, usage, and
maintenance
 During interior structural
 firefighting
  • at least 2 employees with SCBA
    must enter together and stay in
    contact with each other
  • at least two people trained and
    equipped for rescue must remain
    outside

                                      3c
Fit, usage, and
maintenance
Adirty, inoperative respirator
 will not protect you




                                  3d
Inspection, donning,
doffing respirators
        respirators before each
 Inspect
 use and during cleaning

 InspectSCBAs monthly and
 keep cylinders fully charged




                                4a
Inspection, donning,
doffing respirators
 Emergency-use respirators:
  • inspect monthly
  • tags must show inspection results


 Followmanufacturer’s
 instructions for donning/doffing
 equipment

                                    4b
Inspection, donning,
doffing respirators
 Performseal checks after
 donning respirator
 • Positive pressure test
 • Negative pressure test
 • Review Appendix B-1


 Neverenter a work area without
 a good respirator seal
                              4c
Cleaning, maintenance,
and storage
            must be cleaned to
 Respirators
 remove contaminants/prevent
 irritation

 Sharedrespirators must be
 cleaned before each use



                              5a
Cleaning, maintenance,
and storage
 Emergency-use respirators   must
 be cleaned after each use

 Review Appendix B-2 for
 cleaning/disinfecting
 instructions

 Onlyuse manufacturer’s
 replacement parts
                                5b
Cleaning, maintenance,
and storage
Storage helps prevent
respirators from:
 Damage           Excessive
 Contamination     moisture
 Dust             Chemicals

 Sunlight         Deformation of

 Temperature
                    the facepiece
  extremes

                                     5c
Responding to
emergencies
 Ifthe respirator malfunctions,
  immediately leave the work
  area

 Activate auxiliary self-contained
  air supply



                                   6a
Responding to
emergencies
 Ifa sudden hazardous release
  occurs, don emergency escape-
  only respirators as you
  exit the area




                              6b
Responding to
emergencies
 Some  employees must be
 trained and authorized to
 respond to emergency
 situations
 • Confined space rescue
 • Release of hazardous chemicals
 • Interior structure firefighting


                                     6c
Medical signs and
symptoms
 Know how to recognize and
 report medical signs and
 symptoms that may limit or
 prevent the effective
 use of respirators
 Shortness   of breath
 Dizziness

                              7a
Medical signs and
symptoms
 Coughing


 Wheezing


 Chest   pain



                    7b
Medical signs and
symptoms
 Chest   injuries

 Lung   diseases

 Cardiovascular
 conditions


                     7c
Medical signs and
symptoms
 Heart   conditions

 ReviewAppendix C: OSHA
 Respirator Medical
 Evaluation
 Questionnaire



                           7d
Regulations
 Reviewthe main paragraphs (a
 through o) of 29 CFR 1910.134




                             8a

				
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