Sample CFU/ml B. lichemfomis (B.l.) Crude oil + B.l. 2.5×107 Crude oil + B. l. + biosurfactant(1) 3.5×107 Crude oil + B. l. + CPVAF 1.3×107 Crude oil + B. l. +  CPVA 5×107 Rhodococcuserythropolis (R.e.) Crude oil + R.e. 5.6×107 Crude oil + R.e+ biosurfactant(2) 7×107 Crude oil + R.e.+  CPVAF 2×107 Crude oil + R.e.+  CPVA 5×107 Pseudomonas xanthomarina( P.x. ) Crude oil + P.x. 4×107 Crude oil + P.x. + biosurfactant (3) 9×107 Crude oil +P.x. +  CPVAF 7×107 Crude oil + P.x. + CPVA 8×107

Growth count of different bacterial strains, in the presence / absence of each of biosurfactants and polymers (CPVAF & CPVA) separately