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FAQ: PPE Considerations

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4 365-AWM-01-IGDO © 2020, Workplace Safety & Prevention Services (WSPS) 1 877 494 WSPS (9777) | 905 614 1400 | www.wsps.ca FAQ: PPE CONSIDERATIONS Hierarchy of Controls for Biological, Chemical and Physical Agents Reconsider the use of PPE as the first line of defence. There are other options to consider at the source, along the path or at the worker. The following list is based from high to low in reliability and effectiveness: A. Elimination i. Postponing non-essential projects ii. Eliminate non-essential tasks iii. Eliminating the hazard where feasible B. Engineering controls i. Substituting the process that generates contaminant with a method that produces less contaminant. For example, if cutting a material using a dry method, use a wet method to control particulate migration and dust generation ii. Enclose the process to separate the source from the worker iii. Add local exhaust ventilation to extract the particulate at the source of generation (For example – add a vacuum system to remove particulate from the enclosed process) iv. Increase fresh air intake when possible C. Administrative controls and/or work practices i. Relocate employees from contaminant generating process ii. Educate employees on work practices that reduce aerosol generation and implement procedures to reduce or eliminate generation hazards (example – eliminate the use of compressed air for cleaning of equipment and provide alternative tools/methods) Elimination Substitution Engineering Awareness Administrative Personal Protective Equipment Decreasing Effectiveness Types of Controls © 2020, Workplace Safety & Prevention Services (WSPS) WSPS.CA

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