Table 3. Summary of the effect of ozone at 1.13 ppm ± 0.26 ppm on the four tested phages and at 0.23 ppm ± 0.03 ppm on MNV-1 at three levels of relative humidity and three exposure times.

Exposure time (minutes)	Relative humidity (%)
	20	55	85
10	PR772* φ6*	-	φX174 PR772 MS2
40	-	φX174 MS2	φ6 MNV-1
70	-	-	-