Table 8.
Method | Mask Type | SteriGage Result | ATTEST Result | NIOSH Fit Test Result | Mean Retention of Aerosolized Particles (%R) | ||
---|---|---|---|---|---|---|---|
0.3 μm | 1.0 μm | 5.0 μm | |||||
Control | ASTM level 2 procedural mask | NA | NA | NA | 63.37 ± 0.23 | 96.86 ± 0.17 | 99.18 ± 1.46 |
121.1°C for 30 min (3 cycles) | ASTM level 2 procedural mask (n = 3) | Pass | Pass | NA | 42.24 ± 0.88 | 93.25 ± 0.28 | 98.91 ± 1.02 |
a NA indicates not applicable.