| Selected species and populations | Exposure time (min) | |||
| 30 | 60 | 90 | 120 | |
| G. stearothermophilus ATCC 7953 (1.76 × 105 CFU) |
| + | + | − |
| B. atrophaeus ATCC 9372 (8.48 × 105 CFU) | + | + | − |
|
| B. subtilis ATCC 6633 (1.58 × 106 CFU) | + | + | − |
|