Table 2

Predicted CT values of PrPSc inactivation by ozone

ConditionEstimated CT (mg liter−1 min) at inactivation levela
2 log10 (99%)3 log10 (99.9%)4 log10 (99.99%)
pH 4.4, 4°C0.013.0230.68
pH 4.4, 20°C0.060.552.62
pH 6.0, 4°C0.7322.69NA
pH 6.0, 20°C0.4114.3135.16
pH 8.0, 4°C9.07NANA
pH 8.0, 20°C2.5911.68NA
  • a NA, not available under current conditions.