Assigned Protection Factor
Assigned Protection Factor (APF) means the workplace level of respiratory protection that a respirator or class of respirators is expected to provide to employees when you implement a continuing, effective respiratory protection program.
For higher-risk exposure situations (i.e., a higher concentration of infectious particles), choosing a respirator with a higher APF provides a higher level of protection for the wearer. The APFs for different types of respirators are presented in Table 1 of the OSHA Respiratory Protection Standard 1910.134. (See table to the right).
Knowledge Check Choose the best answer for the question.
1-6. The workplace level of respiratory protection that a respirator or class of respirators is expected to provide to employees is called the _____.
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