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ATP approach comparability study: somatic coliphages
| Waste location | Chlorine disinfection | Dilution (ml/liters) | No. of samples positive by assay: |
Total no. of samples | ||
|---|---|---|---|---|---|---|
| EPA 1601 | STEP-1 | Fluorescence | ||||
| M 10-15-08 | No | 2.25/4.5 | 15 | 15 | 16 | 20 |
| L 09-09-08 | No | 4.5/4.5 | 12 | 10 | 11 | 20 |
| SA 12-18-08 | No | 0.35/4.5 | 10 | 6 | 7 | 20 |
| L 06-26-08 | Yes | 10/4.5 | 15 | 13 | 7 | 20 |
| O 123008 | No | 1.9/4.5 | 10 | 9 | 11 | 20 |
| O 010209 | Yes | 280/4,220 | 5 | 4 | 3 | 20 |
| Sum | 67 | 57 | 55 | 120 | ||
| % positive | 55.8 | 47.5 | 45.8 | |||
