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| Bacteria | SI | EC | |
|---|---|---|---|
| Positive controla) | 4.69 ± 0.03b) | 5.06 ± 0.06 | |
| Dilution | ×100 | 3.56 ± 0.09 | 4.39 ± 0.05 |
| ×500 | 4.27 ± 0.05 | 4.82 ± 0.06 | |
| ×1,000 | 4.36 ± 0.08 | 5.06 ± 0.08 | |
a) Redistilled water was sprayed instead of GSE, b) Colony counts are shown in log10.
