WORKING DRAFT 9.15.92—Performance Evaluation of DM and DFM Filter Respirators
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Table L—Process Elements for Evaluating Respirator Performance and Determining APFs.
| Process Element |
| 1—Select respirators to be tested. |
| 2—Select test environment. |
| 3—Select test subjects. |
| 4—(Optional) Perform fit-test screening (QLFT or QNFT) that is supposed to reject those subjects unable to obtain an adequate fit. |
| 5—Measure respirator performance under test conditions. |
| 6—Analyze respirator-leakage data and determine APFs for each respirator class. |
