Sl.No Bacterial strain Time interval in
hours
Cr (VI) Absorbance at
OD 382nm
1 P1 3 0.46
    6 0.62
    9 0.72
    12 0.78
    24 0.90
    48 1.00
2 P2 3 0.42
    6 0.60
    9 0.68
    12 0.74
    24 0.88
    48 0.98
3 P3 3 0.56
    6 0.62
    9 0.74
    12 0.80
    24 0.94
    48 1.00
4 P4 3 0.60
    6 0.78
    9 0.82
    12 0.90
    24 0.96
    48 1.00
Table 7b: Cr (VI) reduction by 4 bacterial isolates grown in LB broth supplemented 2ppm Cr (VI).