Date post: | 16-Dec-2015 |
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A Bad Atmosphere
• Can be deadly
• Requires a respirator.
Types of Hazardous Atmospheres
• Deficient
• Contaminated
• Hazard determines respirator used.
Air-Purifying Respirators
• Enough oxygen in the air
• Three types:
– Particulate removing
– Vapor and gas removing
– Combination.
Supplied Air Respirators
• For oxygen-deficient atmosphere
• Two types:
– SCBA (and SCUBA)
– Air supplied from outside source.
Respiratory Protection Plan
• Establishes proper procedures for:
– Respirator selection
– Respirator use
– Respirator maintenance.
• Evaluates respiratory hazards.
Medical Evaluation
• Medical screening usually required
• Ensures you are physically able to use equipment
• Questionnaire
• Physical examination.
Fit Testing
• Tight face-to-mask seal
• Qualitative / Quantitative
• Negative / Positive pressure test.
Respirator Maintenance: Inspection
Check for:
• Holes or rips
• Broken or loose connectors and fittings
• Detergent residue or dirt
• General cleanliness.
Respirator Maintenance: Cleaning
Steps include:
• Disassemble mask
• Wash components
• Disinfect if needed
• Rinse and drain
• Hand dry.
Respirator Maintenance: Storage
• Place in plastic bag.• Store with valves and tubes undistorted.• Protect from:
• Dust• Sunlight• Heat• Cold• Moisture• Chemicals.
Respirator maintenance is YOURresponsibility!
Review
• Hazardous atmospheres
• Types of respirators
• Respiratory protection plan
• Maintenance
• Responsibility.