Table 4.
Carbon chain length distribution in original (0 time), unamended (U) and N amended samples after 30, 60, and 90 days of incubation, quantified through GC-FID.
| Carbon chain length distribution | Relative percent abundance of hydrocarbons (%) | ||||||
|---|---|---|---|---|---|---|---|
| GR3 | U_30 | U-60 | U_90 | N_30 | N_60 | N_90 | |
| <C12 | 10.76 | 18.39 | 18.83 | 22.28 | 14.72 | 33.47 | 42.98 |
| C12-20 | 35.86 | 40.29 | 39.91 | 38.16 | 48.23 | 23.55 | 41.99 |
| C20-28 | 42.82 | 31.95 | 33.51 | 32.11 | 30.34 | 36.41 | 11.29 |
| >C28 | 10.48 | 9.47 | 7.62 | 7.5 | 7.44 | 6.39 | 3.8 |
| n-Pristane/C17 | 0.8506 | 0.899 | ND | 1.079 | ∞ | ND | ∞ |