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Recovery of P. aeruginosa from metal, plastic, or glass test carriers
| Exposure time on test carrier | Metal carrier (9.4 log10)a | Log10 difference | Plastic carrier (9.5 log10)a | Log10 difference | Glass carrier (9.5 log10)a | Log10 difference |
|---|---|---|---|---|---|---|
| 5 min | 7.8 ± 0.1 | 1.6 | 7.9 ± 0.1 | 1.6 | 6.7 ± 0.1 | 2.8 |
| 30 min | 7.3 ± 0.2 | 2.1 | 7.4 ± 0.1 | 2.1 | 6.6 ± 0.1 | 2.9 |
| 3 h | 7.1 ± 0.1 | 2.3 | 7.0 ± 0.4 | 2.5 | 6.1 ± 0.2 | 3.4 |
aInitial cfu/mL count in the test suspension
