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PDFWAC 296-307-60605

Conduct fit testing.

(1) The employer must provide, at no cost to the employee, fit tests for all tight fitting respirators on the following schedule:
(a) Before employees are assigned duties that may require the use of respirators;
(b) At least every twelve months after initial testing;
(c) Whenever any of the following occurs:
(i) A different respirator facepiece is chosen such as a different type, model, style, or size;
(ii) The employer becomes aware of a physical change in an employee that could affect respirator fit. For example, the employer may observe, or be told about, facial scarring, dental changes, cosmetic surgery, or obvious weight changes;
(iii) An employee notifies the employer, or the employer's LHCP, that the respirator fit is unacceptable. During the retest, the employer must give an employee reasonable opportunity to select a different respirator facepiece (size, model, etc.).
The employer may accept a fit test completed by a previous employer IF:
1. The employer obtain written documentation of the fit test;
2. The results of the fit test are not more than twelve months old;
3. The employee will use the same respirator (the same type, model, style, and size);
4. The fit test was conducted in a way that meets the requirements of WAC 296-307-606 and 296-307-62010.
(2) The employer must select an appropriate fit-testing procedure from WAC 296-307-62010 of this part and:
(a) Use quantitative fit-test methods when a negative pressure respirator will be used in concentrations requiring a protection factor greater than 10. This includes:
(i) Full facepiece air-purifying respirators;
(ii) SCBAs operated in demand (negative pressure) mode;
(iii) Air-line respirators operated in demand mode.
(b) Make sure PAPRs, SCBAs, or air-line respirators are fit tested in negative-pressure mode.
(3) The employer must make sure the person conducting fit testing is able to do all of the following:
(a) Prepare test solutions if required;
(b) Make sure equipment works properly;
(c) Perform tests properly;
(d) Recognize invalid tests;
(e) Calculate fit factors properly if required.
1. No specific training program or certification is required for those who conduct fit tests.
2. The employer should consider evaluating these individuals to determine their proficiency in the fit-testing method to be used.
3. The employer can use an evaluation form such as the form included in the American National Standard for Respirator Fit Testing Methods, ANSI/AIHA Z88.10-2001 to determine if the individual meets these requirements. Visit or
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 20-21-091, § 296-307-60605, filed 10/20/20, effective 11/20/20; WSR 05-01-166, § 296-307-60605, filed 12/21/04, effective 4/2/05.]
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