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NIOSH’s Identified Filtration Performance Failures
| Stockpile Facility | Failing Respirator Models (manufacturer [mfr.] year) | Number of Failing Units (Filtration Performance Only14) | Total Number of Respirators Tested from this Lot for Filtration Performance |
|---|---|---|---|
| #3 | 3M 1860 Lot A (mfr. 2006) | 1 | 40 |
| #3 | 3M 1860 Lot B (mfr. 2009) | 1 | 40 |
| #4 | Kimberly Clark (KC) 46827 Lot A (mfr. 2007) | 9 | 40 |
| #4 | KC 46827 Lot B (mfr. 2007) | 25 | 40 |
| #7 | KC 46727 Lot A (mfr. 2007) | 40 | 40 |
