Table 3: Total Viable Count (TVC) for the Pure and Waste blend (cfu/mL) Period PW-A PW:CD At the point of charging 1.12x10 6 8.75x10 7 At the point of flammability 6.17x10 7 5.62x10 7 At the peak of production 3.03x10 7 8.88x10 7 Towards the end of production