What are the key differences between cloth face coverings, surgical masks, and respirators?
Cloth face coverings:
May be commercially produced or improvised (i.e., homemade) garments, scarves, bandanas, or items made from t-shirts or other fabrics.
Are worn in public over the nose and mouth to contain the wearer’s potentially infectious respiratory droplets produced when an infected person coughs, sneezes, or talks and to limit the spread of SARS-CoV-2, the virus that causes Coronavirus Disease 2019 (COVID-19), to others.
Are not considered personal protective equipment (PPE).
Will not protect the wearer against airborne transmissible infectious agents due to loose fit and lack of seal or inadequate filtration.
Are not appropriate substitutes for PPE such as respirators (e.g., N95 respirators) or medical face masks (e.g., surgical masks) in workplaces where respirators or face masks are recommended or required to protect the wearer.
May be used by almost any worker, although those who have trouble breathing or are otherwise unable to put on or remove a mask without assistance should not wear one.
May be disposable or reusable after proper washing.
Surgical masks:
Are typically cleared by the U.S. Food and Drug Administration as medical devices (though not all devices that look like surgical masks are actually medical grade, cleared devices).
Are used to protect workers against splashes and sprays (i.e., droplets) containing potentially infectious materials. In this capacity, surgical masks are considered PPE. Under OSHA’s PPE standard (29 CFR 1910.132), employers must provide any necessary PPE at no-cost to workers.1
May also be worn to contain the wearer’s respiratory droplets (e.g., healthcare workers, such as surgeons, wear them to avoid contaminating surgical sites, and dentists and dental hygienists wear them to protect patients).
Should be placed on sick individuals to prevent the transmission of respiratory infections that spread by large droplets.
Will not protect the wearer against airborne transmissible infectious agents due to loose fit and lack of seal or inadequate filtration.
May be used by almost anyone.
Should be properly disposed of after use.
Respirators (e.g., filtering facepieces):
Are used to prevent workers from inhaling small particles, including airborne transmissible or aerosolized infectious agents.
Must be provided and used in accordance with OSHA’s Respiratory Protection standard (29 CFR 1910.134).
o Must be certified by the National Institute for Occupational Safety and Health (NIOSH).
o OSHA has temporarily exercised its enforcement discretion concerning supply shortages of disposable filtering facepiece respirators (FFRs), including as it relates to their extended use or reuse, use beyond their manufacturer’s recommended shelf life, use of equipment from certain other countries and jurisdictions, and decontamination.
o Need proper filter material (e.g., N95 or better) and, other than for loose-fitting powered, air purifying respirators (PAPRs), tight fit (to prevent air leaks).
o Require proper training, fit testing, availability of appropriate medical evaluations and monitoring, cleaning, and oversight by a knowledgeable staff member.
o OSHA has temporarily exercised its enforcement discretion concerning annual fit testing requirements in the Respiratory Protection standard (29 CFR 1910.134), as long as employers have made good-faith efforts to comply with the requirements of the standard and to follow the steps outlined in the March 14, 2020, and April 8, 2020, memoranda (as applicable to their industry).
o When necessary to protect workers, require a respiratory protection program that is compliant with OSHA’s Respiratory Protection standard (29 CFR 1910.134). OSHA consultation staff can assist with understanding respiratory protection requirements.
o FFRs may be used voluntarily, if permitted by the employer. If an employer permits voluntary use of FFRs, employees must receive the information contained in Appendix D of OSHA’s Respiratory Protection standard (29 CFR 1910.134).
Are employers required to provide cloth face coverings to workers?
Cloth face coverings are not considered personal protective equipment (PPE) and are not intended to be used when workers need PPE for protection against exposure to occupational hazards. As such, OSHA’s PPE standards do not require employers to provide them.
The General Duty Clause, Section 5(a)(1) of the Occupational Safety and Health Act, requires each employer to furnish to each of his employees’ employment and a place of employment which are free from recognized hazards that are causing or are likely to cause death or serious physical harm. Control measures may include a combination of engineering and administrative controls, safe work practices like social distancing, and PPE.
However, employers may choose to ensure that cloth face coverings are worn as a feasible means of abatement in a control plan designed to address hazards from SARS-CoV-2, the virus that causes COVID-19. Employers may choose to use cloth face coverings as a means of source control, such as because of transmission risk that cannot be controlled through engineering or administrative controls, including social distancing.
If I wear a reusable face covering, how should I keep it clean?
Washing machine
• You can include your face covering with your regular laundry.
• Use regular laundry detergent and the warmest appropriate water setting for the cloth used to make the face covering.
Washing by hand
• Prepare a bleach solution by mixing:
o 5 tablespoons (1/3rd cup) household bleach per gallon of room temperature water or
o 4 teaspoons household bleach per quart of room temperature water
• Check the label to see if your bleach is intended for disinfection. Some bleach products, such as those designed for safe use on colored clothing, may not be suitable for disinfection. Ensure the bleach product is not past its expiration date. Never mix household bleach with ammonia or any other cleanser.
• Soak the face covering in the bleach solution for 5 minutes.
• Rinse thoroughly with cool or room temperature water.
Make sure to completely dry cloth face covering after washing.
How to dry
Dryer
• Use the highest heat setting and leave in the dryer until completely dry.
This guidance is not a standard or regulation, and it creates no new legal obligations. It contains recommendations as well as descriptions of mandatory safety and health standards. The recommendations are advisory in nature, informational in content, and are intended to assist employers in providing a safe and healthful workplace.
Coronavirus Reminders
A Few Important Reminders about Coronaviruses and Reducing the Risk of Exposure:
- Coronaviruses on surfaces and objects naturally die within hours to days. Warmer temperatures and exposure to sunlight will reduce the time the virus survives on surfaces and objects.
- Normal routine cleaning with soap and water removes germs and dirt from surfaces. It lowers the risk of spreading COVID-19 infection.
- Disinfectants kill germs on surfaces. By killing germs on a surface after cleaning, you can further lower the risk of spreading infection, and reducing the risk of exposure to COVID-19. If disinfectants are in short supply, alternative disinfectants can be used (for example, 1/3 cup of bleach added to 1 gallon of water, or 70% alcohol solutions). Bleach solutions will be effective for disinfection up to 24 hours.
- Store and use disinfectants in a responsible and appropriate manner according to the label. Do not mix bleach or other cleaning and disinfection products together–this can cause fumes that may be very dangerous to breathe in. Keep all disinfectants out of the reach of children.
- Do not overuse or stockpile disinfectants or other supplies. This can result in shortages of appropriate products for others to use in critical situations.
- Always wear gloves appropriate for the chemicals being used when you are cleaning and disinfecting. Additional personal protective equipment (PPE) may be needed based on setting and product. For more information, see CDC’s website on Cleaning and Disinfection for Community Facilities.
- Practice social distancing, wear facial coverings, and follow proper prevention hygiene, such as washing your hands frequently and using alcohol-based (at least 60% alcohol) hand sanitizer when soap and water are not available.
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