| Contact Surfaces | Total Aerobic Counts |
| Bedside Bible | 6.6 × 107 ± 0.02 |
| Ward Television | 4.7 × 108 ± 0.04 |
| Ward Fan | 4.4 × 108 ± 0.05 |
| Ward Clock | 5.8 × 107 ± 0.05 |
| Window Blind | 3.1 × 107 ± 0.04 |