Table 3.
Third testing session. Radiotherapy clinic staff (3 radiation therapists, a nurse, and a physician) testing results using the Somos GP resin (DSM) adapter, sealed with putty, the fit testing method with the modified adapter, and the snorkel mask with no modifications configuration.
| Mask | Aria UNO | Aria Classic | Aria Classic | Aria QR+ | Aria QR+ |
|---|---|---|---|---|---|
| Size | S/M | S/M | L/XL | M/L | M/L |
| 3M filter | 2071 | 2091 | SP71** | 2091 | 2097 |
| Normal breathing | 12,125 | 11,767 | 2350 | 29,481 | 14,182 |
| Deep breathing | 7951 | 11,431 | 2598 | 18,873 | 27,623 |
| Head side to side | 8183 | 893 | 2070 | 28,781 | 56,895 |
| Head up and down | 15,326 | 2521 | 1967 | 461 | 41,572 |
| Talking | 1552 | 1517 | 951 | 2860 | 2339 |
| Bending over | 3891 | 2713 | 1445 | 97 | 60,473 |
| Normal breathing | 8505 | 6693 | 2050 | 31,736 | 108,685 |
| Overall fit factor | 4949 | 2442 | 1736 | 543 | 11,637 |
| Fit Test* | Pass | Pass | Pass | Pass | Pass |
| Notes | passed on 2nd try after pulling back top straps | cosmetics |
*
OSHA fit factor passing value is 500 or greater.
**
using 3M 603 filter adapter and 501 filter retainer, due to the clamshell design more prone to user error.