Factors First-Order Kinetic Equation  k (day-1)  R2 Half-life t½ (days)
NPK-amended soil
1.63 g  C=-0.036t+1.075 0.036 0.984 19.3
2.10 g  C=-0.039t+0.991 0.039 0.997 17.8
2.56 g  C=-0.045t+1.003  0.045 0.998 15.4
Hydrogen peroxide-amended soil
0.5 g  C=-0.032t+0.887  0.032 0.986 21.7
1.0 g  C=-0.034t+0.940  0.034 0.989 20.4
NPK+Hydrogen peroxide-amended soil
2.13 g  C=-0.037t+0.987  0.037 0.992 18.7
2.60 g  C=-0.042t+0.926  0.042 0.997 16.5
3.06 g  C=-0.049t+0.882  0.049 0.998 14.2
Unamended soil (Natural attenuation)  C=-0.014t+1.422  0.014 0.999 49.5
Table 1: First-order kinetic equation with correlation determination (R2) results of bitumen biodegradation under the influence of inorganic fertilizer and oxygen release compound.