TABLE 2.
Duct material | Initial spore deposition source (CFU/cm2) | Redeposited spores (CFU/cm2) | Normalized reaerosolizationa (%) |
---|---|---|---|
Steel | 2.82 × 105 | 1.43 × 103 | 0.51 |
Steel | 2.27 × 105 | 1.93 × 103 | 0.85 |
Steel | 4.31 × 105 | 5.25 × 103 | 1.22 |
Steel | 4.31 × 105 | 1.68 × 103 | 0.39 |
Plastic | 2.30 × 104 | 1.72 × 102 | 0.75 |
Average value was 0.74.