PPB August 2020

which captures at least 95 percent of airborne particles and is not resistant to oil. Face mask: A loose-fitting, disposable device that creates a physical barrier between the mouth and nose of the wearer and potential contaminants in the immediate environment. Face masks may be labeled as surgical, laser, isolation, dental or medical-procedure masks and are cleared by the FDA for marketing. Face-mask filtration effectiveness is certified by NIOSH but varies widely among models. Face masks may come with or without a face shield. Face masks are not considered respiratory protection. Surgical mask: A fluid- resistant, disposable and loose-fitting device that creates a physical barrier between the mouth and nose of the wearer and the immediate environment. For use in surgical settings, surgical masks do not provide the wearer with full protection from inhalation of airborne pathogens, such as viruses. The mask also meets Class I or Class II flammability tests. Non-surgical mask: Used to protect patients and staff from the transfer of respiratory secretions, fluids or other debris. Procedure masks are used for general “respiratory etiquette” to prevent clinicians, patients and visitors from spreading germs by talking, coughing or sneezing. They are not intended for surgical use and are not considered PPE. Facepiece: The part of a respirator that covers the nose and mouth of the wearer. Respirators may have half facepieces covering just the nose and mouth, or they may have full facepieces covering the nose, mouth and eyes. They are designed to form a seal with the face. Loose-fitting facepiece: This is the portion of a respirator that forms a partial seal with the face but leaves the back of the neck exposed. It is designed to form a partial seal with the face through which clean air is distributed to the breathing zone. Cloth face covering: This item is worn to fully cover the mouth and nose. Face coverings may prevent the wearer from spreading respiratory droplets when talking, sneezing or coughing. They are not considered PPE. Hazard Assessment And Intended Use The role of a hazard assessment is to identify potential risks of harm, the likelihood of exposure to the harm and potential mechanisms for mitigating the risk associated with the harm. Employing face masks and respirators that are designed to limit exposure to the specific hazard in the workplace improves worker safety and protection. Amongst the general public, face coverings may prevent the person wearing the covering Low Exposure Risk Medium Exposure Risk 78 | AUGUST 2020 | THINK