TABLE 1.
Tap water characteristics measured for a period of 6 days before virus spikinga
| Value type | Temperature (°C) | pH | Conductivity (μS·cm−1) | DO (%) | DO (mg·liter−1) |
|---|---|---|---|---|---|
| Avg | 15.2 | 7.67 | 385 | 96.8 | 9.83 |
| SD | 2.7 | 0.05 | 18 | 3.3 | 0.54 |
| Min | 10.6 | 7.52 | 345 | 86.3 | 9.02 |
| Max | 19.4 | 7.76 | 420 | 144.6 | 13.40 |
One measurement was taken per half-hour (n = 281). DO, dissolved oxygen; min, minimum; max, maximum.