Wis. Admin. Code Department of Natural Resources NR 810.53
Current through October 28, 2024
CT Values for Inactivation of Viruses by Free Chlorine
| Log Inactivation | ||||||||||||
| Temperature, °C | 1.0 pH | 2.0 pH | 3.0 pH | 4.0 pH | ||||||||
| 6 - 9 | 10 | 6 - 9 | 10 | 6 - 9 | 10 | 6 - 9 | 10 | |||||
| 0.5 | 3 | 23 | 6 | 45 | 9 | 66 | 12 | 90 | ||||
| 5 | 2 | 15 | 4 | 30 | 6 | 44 | 8 | 60 | ||||
| 10 | 2 | 11 | 3 | 22 | 4 | 33 | 6 | 45 | ||||
| 15 | 1 | 8 | 2 | 15 | 3 | 22 | 4 | 30 | ||||
| 20 | 1 | 6 | 1 | 11 | 2 | 16 | 3 | 22 | ||||
| 25 | 1 | 3 | 1 | 7 | 1 | 11 | 2 | 15 | ||||
Wis. Admin. Code Department of Natural Resources NR 810.53