2. A Bad Atmosphere Can be deadly Requires a respirator.

3. Types of Hazardous Atmospheres Deficient Contaminated Hazard determines respirator used.

4. Air-Purifying Respirators Enough oxygen in the air Three types: –Particulate removing –Vapor and gas removing –Combination.

5. Supplied Air Respirators For oxygen-deficient atmosphere Two types: –SCBA (and SCUBA) –Air supplied from outside source.

6. Respiratory Protection Plan Establishes proper procedures for: –Respirator selection –Respirator use –Respirator maintenance. Evaluates respiratory hazards.

7. Medical Evaluation Medical screening usually required Ensures you are physically able to use equipment Questionnaire Physical examination.

8. Fit Testing Tight face-to-mask seal Qualitative / Quantitative Negative / Positive pressure test.

9. Respirator Maintenance: Inspection Check for: Holes or rips Broken or loose connectors and fittings Detergent residue or dirt General cleanliness.

10. Respirator Maintenance: Cleaning Steps include: Disassemble mask Wash components Disinfect if needed Rinse and drain Hand dry.

11. Respirator Maintenance: Storage Place in plastic bag. Store with valves and tubes undistorted. Protect from: Dust Sunlight Heat Cold Moisture Chemicals. Respirator maintenance is YOUR responsibility!

12. Review Hazardous atmospheres Types of respirators Respiratory protection plan Maintenance Responsibility.