Microbiological Evaluation of the Effectiveness of Sewage Sludge Sanitization with Solar Drying Technology

Figure 10

The PCR test confirming the presence of bacilli in the studied material (M: the size marker, P1: a sample from the carrier placed on the frame of the turner, P2: a sample from the carrier placed on the shovels of the turner; P3: a sample from the carrier placed in the sludge pile, P4: Salmonella Agona, P5: Salmonella Braenderup H9812 (P4 and P5: positive control), KN: negative control).