time LogN (min) (microorganisms) 0 0 106 2.67 152 2.67 212 2.7 252 2.67 296 3 392 3.5 442 4.89 492 5.26 632 5.47 680 6.48 730 6.91 776 7.12 822 7.58 876 8.13 926 8.44 966 8.39 1014 8.57 1062 8.42 1114 8.57