Table 1. THC and TPH results of the experimental sample as measured by UV-Vis Spectrophotometer and GC-FID.
| Total Hydrocarbon Content (THC) | Total Petroleum
Hydrocarbon (TPH) |
|||||||
|---|---|---|---|---|---|---|---|---|
| Day 0 | Day 7 | Day 14 | Day 21 | Day 56 | Day 0 | Day 21 | Day 56 | |
| Sample Order | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg |
| S1 | 8626 | 7495 | 5927 | 3276 | 1193 | 8856 | 2926 | 1315 |
| S2 | 8286 | 5573 | 2971 | 1579 | 629 | 8247 | 1794 | 498 |
| S3 | 8423 | 6295 | 3682 | 1685 | 1251 | 8390 | 1960 | 641 |
| S4 | 8214 | 4833 | 2160 | 1192 | 487 | 8193 | 1599 | 548 |
| S5 | 8564 | 7159 | 5384 | 2903 | 1052 | 8639 | 2809 | 1105 |
| S6 | 8240 | 5059 | 2564 | 1314 | 417 | 8236 | 1650 | 428 |
| S7 | 8465 | 6521 | 4199 | 1928 | 619 | 8495 | 2007 | 604 |
| S8 | 8187 | 4502 | 1984 | 1059 | 360 | 8157 | 1466 | 1167 |
| S9 | 8515 | 7026 | 4921 | 2617 | 895 | 8523 | 2546 | 938 |
| S10 | 8153 | 4341 | 1640 | 952 | 848 | 8098 | 1299 | 835 |
| S11 | 8358 | 5906 | 3105 | 1606 | 724 | 8256 | 1879 | 762 |
| S12 | 8489 | 6877 | 4511 | 2190 | 1065 | 8516 | 2179 | 986 |
| S13 | 8074 | 4168 | 1397 | 890 | 268 | 8030 | 832 | 299 |
| S14(control) | 9641* | 9448 | 9240 | 9038 | 8766 | 9744* | 9134 | 8860 |
The control sample (S14) day zero value represents the initial THC and TPH value prior to treatment. All other Day zero samples for both THC (Total Hydrocarbon content) and TPH (Total Petroleum Hydrocarbon) were taken after the application of the bioremediation cocktail. The treated samples' values are all less than the control sample likely due to the biosurfactant leachate effect of the cocktail. For the purpose of modelling all day zero value was treated as initial values. UV-Vis = Ultraviolet Visible and GC-FID = Gas Chromatography - Flame Ionization Detector.