Sl.No Bacterial strain Time interval in
hours
Cr (VI) Absorbance at
OD 382nm
1 P1 3 0.58
    6 0.64
    9 0.78
    12 0.84
    24 0.96
    48 1.04
2 P2 3 0.64
    6 0.76
    9 0.86
    12 0.92
    24 1.00
    48 1.06
3 P3 3 0.46
    6 0.58
    9 0.60
    12 0.78
    24 0.90
    48 0.98
4 P4 3 0.42
    6 0.52
    9 0.64
    12 0.72
    24 0.86
    48 0.96
Table 7c: Cr (VI) reduction of 4 bacterial isolates grown in LB broth supplemented 5ppm Cr (VI).