Wis. Admin. Code Department of Natural Resources NR 810.54

Current through September 30, 2024
Section NR 810.54 - CT table for Giardia lamblia when using chlorine dioxide

CT Values for Inactivation of Giardia lamblia Cysts by Chlorine Dioxide

Inactivation Temperature, °C
[LESS than]=1 5 10 15 20 25
0.5-log 10 4.3 4 3.2 2.5 2
1-log 21 8.7 7.7 6.3 5 3.7
1.5-log 32 13 12 10 7.5 5.5
2-log 42 17 15 13 10 7.3
2.5-log 52 22 19 16 13 9
3-log 63 26 23 19 15 11

Wis. Admin. Code Department of Natural Resources NR 810.54

CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.