TABLE 3.
Mean levels of differential astrovirus genogroup removal (log10) by different treatments over the study perioda
| Genogroup | Primary sedimentation
|
Primary sedimentation activated sludge
|
Primary sedimentation activated sludge chlorination
|
|||
|---|---|---|---|---|---|---|
| No. of RNA copies | CC-RT-PCR U | No. of RNA copies | CC-RT-PCR U | No. of RNA copies | CC-RT-PCR U | |
| A | 2.7 ± 1.3 | 1.0 ± 0.0 | 5.1 ± 1.6 | 2.5 ± 1.0 | NA | NA |
| B | 0.9 ± 0.9 | 1.0 ± 0.0 | 3.6 ± 2.2 | 2.5 ± 0.8 | 3.8 ± 1.2 | 2.5 ± 0.8 |
a
Values are means ± standard deviations. NA, not available.