Table 2.
Average Estimated 3-log10 Inactivation CT Values for C. parvum in Free Chlorine (FC) Controls and Low Concentration Cyanuric Acid (CYA) Experiments; Average pH 7.6
| average FC conc. (mg/L) | average CYA conc. (mg/L) | average time 3-log10 inactivation (hr) | average estimated 3-log10 CT value (mg·min/L) (range) |
|---|---|---|---|
| 21.6 | 0 | 8.2 | 10 500 (9200–12 000) |
| 21.1 | 8 | 14.1 | 17 800 (16 000–20 300) |
| 19.1 | 16 | 27.5 | 31 500 (30 900–32 100) |
| 40.6 | 0 | 5.1 | 12 400 (10 300–15 200) |
| 40.9 | 9 | 6.2 | 15 300 (14 500–16 100) |
| 38.3 | 15 | 8.4 | 19 400 (19 300–19 500) |