Article 107 - Dusts, Fumes, Mists, Vapors and Gases

Section 5139 - Purpose
Section 5140 - Definitions
Section 5141 - Control of Harmful Exposure to Employees
Section 5141.1 - Protection from Wildfire Smoke
Appendix A to Section 5141.1 - Protection from Wildfire Smoke Measuring PM2.5 Levels at the Worksite (Mandatory if an Employer Monitors with a Direct Reading Instrument)
Appendix B to Section 5141.1 - Protection from Wildfire Smoke Information to be Provided to Employees (Mandatory)
Section 5142 - Mechanically Driven Heating, Ventilating and Air Conditioning (HVAC) Systems to Provide Minimum Building Ventilation
Section 5143 - General Requirements of Mechanical Ventilation Systems
Section 5144 - Respiratory Protection
Appendix A to Section 5144 - Fit Testing Procedures (Mandatory)
Appendix B-1 to Section 5144 - User Seal Check Procedures (Mandatory)
Appendix B-2 to Section 5144 - Respirator Cleaning Procedures (Mandatory)
Appendix C to Section 5144 - OSHA Respirator Medical Evaluation Questionnaire (Mandatory)
Appendix D to Section 5144 - (Mandatory) Information for Employees Using Respirators When Not Required Under the Standard
Section 5145 - Media for Allaying Dusts, Fumes, Mists, Vapors, and Gases
Section 5146 - Internal Combustion Engine Exhaust Emission Control
Section 5147 - Respiratory Protection for M. Tuberculosis
Section 5148 - Prohibition of Smoking in the Workplace
Section 5149 - Oxygen Deficiency
Section 5150 - Ventilation and Personal Protective Equipment Requirements for Welding, Brazing and Cutting
Section 5151 - Ventilation and Personal Protective Equipment Requirements for Abrasive Blasting Operations
Section 5152 - Ventilation and Personal Protective Equipment Requirements for Grinding, Polishing, and Buffing Operations
Section 5153 - Ventilation and Personal Protective Equipment Requirements for Spray Coating Operations
Section 5154 - Ventilation and Personal Protective Equipment Requirements for Open-Surface Tank Operations
Section 5154.1 - Ventilation Requirements for Laboratory-Type Hood Operations
Section 5154.2 - Ventilation Requirements for Biological Safety Cabinets
Appendix A - High Efficiency Particulate Air Filter Aerosol Test Protocol (Non-Mandatory)
Appendix B - Start up and Shut down Procedure (Non-Mandatory)
Section 5155 - [Operative until 1/1/2025] Airborne Contaminants
Section 5155 - [Operative 1/1/2025] Airborne Contaminants