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Reduction in number of coliphage MS2 with respect to UVC dose and reflector material.
| Reflective surface | UV dose (mJ/cm2) | Mean log count (PFU/mL) ± SD | Log reduction |
|---|---|---|---|
| – | 0 | 6.48 ± 0.17 | – |
| Al foil | 3.72 | 4.43 ± 0.05 | 2.05 |
| PTFE | 5.00 | 3.16 ± 0.11 | 3.32 |
| Al foil | 7.42 | 3.51 ± 0.10 | 2.97 |
| PTFE | 8.27 | 2.32 ± 0.09 | 4.16 |
| Al foil | 11.14 | 0 | 6.48 |
| PTFE | 13.27 | 0 | 6.48 |
| Al foil | 14.84 | 0 | 6.48 |
| PTFE | 16.54 | 0 | 6.48 |
| Al foil | 18.56 | 0 | 6.48 |
| PTFE | 21.54 | 0 | 6.48 |
