TABLE 3.
Log10 reductions by machine drying temperature and duration
| Organism(s) | Log10 reduction | Method, drying temp, and time | Reference |
|---|---|---|---|
| Rotavirus | 0.32 | Permanent cycle, 55°C, 28 min, cotton sheets | 45 |
| Hepatitis A virus | 0.29 | ||
| Adenovirus | 1.36 | ||
| S. aureus | 2.89–2.50 | Huebsch gas dryer, medium temp, 16 min, cotton-polyester sheets | 71 |
| S. aureus | 3.23 | Cotton-polyester, 10 min, 46°C, 20 min | 72 |
| Serratia marcescens | >3.84 | ||
| Bacillus stearothermophilus | 0.73 | ||
| S. aureus | 1.82 | Permanent press cycle, 55°C, 28 min, cotton | Gerba and Kennedy, unpublished |
| E. coli | >4.16 | ||
| S. Typhimurium | 4.83 | ||
| Mycobacterium fortuitum | 0.14 | ||
| Naturally occurring bacteria | 0.5–1.0 | 175.6°C–177.8°C, 2 min | 73 |