Table $2-4.$ CT Values for Inactivation of Giardia Cysts in Water at $10C$

with $pH6\mathrm{.}0-9\mathrm{.}0$

CT values were obtained from Appendix E $($AWWA$,1991).$

${?}^1$ at $pH7\mathrm{.}0$ and chlorine residual $0\mathrm{.}4m\frac{g}{L}.$