Figure 3: Effective concentrations (MSC, MIC and MBC) observed for A. piechaudii KN1 incubated in the presence of drilling fluids: Diesel based Fluid (DF), Diesel Invert Emulsion (DIE), Diesel Direct Emulsion (DDE), Low Aromatic Fluid (LAF), Low Aromatic Invert Emulsion (LAIE) and Low Aromatic Direct Emulsion (LADE), and co-substrate: glucose (A) and sodium pyruvate (B).