OSHA News Release - Table of Contents|
April 1, 2009
Contact: Office of Communications
OSHA's new guidance document focuses on mandatory respirator selection provisions added to existing Respiratory Protection standard
WASHINGTON -- Assigned Protection Factors (APF), a new guidance document published by the Occupational Safety and Health Administration (OSHA), provides employers with vital information for selecting respirators for employees exposed to contaminants in the air.
OSHA revised its existing Respiratory Protection standard in 2006 to add APFs and Maximum Use Concentration (MUC) provisions. APF means the workplace level of respiratory protection that a respirator or class of respirators is able to provide to workers. The higher the APF number (5 to 10,000), the greater the level of protection provided to the user. APFs are used to select the appropriate class of respirators that will provide the necessary level of protection against airborne contaminants. Such exposures can come from particles or a gas or vapor.
MUC represents the limit at which the class of respirator is expected to provide protection. Whenever a hazard's exposure level exceeds MUC, employers should select a respirator with a higher APF. MUC means the maximum atmospheric concentration of a hazardous substance for which a worker can be expected to be protected when wearing a respirator.
"Proper respirator selection prevents exposure to hazardous contaminants and is an important component of an effective respiratory protection program," said Deputy Assistant Secretary of Labor for OSHA Donald G. Shalhoub. "This guidance document serves as another useful resource for protecting the health and safety of workers at risk for respiratory illnesses."
APF and MUC are mandatory respirator selection requirements that can only be used after respirators are properly selected and are used in compliance with the entire standard. The Respiratory Protection standard requires fit testing, medical evaluations, specific training and proper respirator use. The standard applies to general industry, construction, longshoring, shipyard and marine terminal workplaces.
Under the Occupational Safety and Health Act of 1970, employers are responsible for providing a safe and healthy workplace for their employees. OSHA's role is to promote the safety and health of America's working men and women by setting and enforcing standards; providing training, outreach and education; establishing partnerships; and encouraging continual process improvement in workplace safety and health. For more information, visit www.osha.gov.
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|OSHA News Release - Table of Contents|
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