Samples | Swabs (E24-a) | Stagnant water (reservoir) | ||
---|---|---|---|---|
Bacteria concentration | 30 °C bacteria/cm2 | 60 °C bacteria/cm2 | 30 °C bacteria/mL | 60 °C bacteria/mL |
Sulphate-reducing bacteria (SRB) | 33 | 3.3 102 | 25 | 2.5 |
Thiosulphate-reducing bacteria (ThRB) | 3.3 | 3.3 | 25 | <0.5 |